From nobody Mon Apr 21 10:38:49 2025
Delivered-To: importer@patchew.org
Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as
permitted sender) client-ip=208.118.235.17;
envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org;
helo=lists.gnu.org;
Authentication-Results: mx.zohomail.com;
spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted
sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org
Return-Path: <qemu-devel-bounces+importer=patchew.org@nongnu.org>
Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by
mx.zohomail.com
with SMTPS id 1499448701225122.22239508656821;
Fri, 7 Jul 2017 10:31:41 -0700 (PDT)
Received: from localhost ([::1]:57815 helo=lists.gnu.org)
by lists.gnu.org with esmtp (Exim 4.71)
(envelope-from <qemu-devel-bounces+importer=patchew.org@nongnu.org>)
id 1dTX6R-00080s-JZ
for importer@patchew.org; Fri, 07 Jul 2017 13:31:39 -0400
Received: from eggs.gnu.org ([2001:4830:134:3::10]:41706)
by lists.gnu.org with esmtp (Exim 4.71)
(envelope-from <kwolf@redhat.com>) id 1dTWlE-000536-2R
for qemu-devel@nongnu.org; Fri, 07 Jul 2017 13:09:53 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
(envelope-from <kwolf@redhat.com>) id 1dTWl5-0007pB-If
for qemu-devel@nongnu.org; Fri, 07 Jul 2017 13:09:44 -0400
Received: from mx1.redhat.com ([209.132.183.28]:55908)
by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)
(Exim 4.71) (envelope-from <kwolf@redhat.com>)
id 1dTWkn-0007WM-3M; Fri, 07 Jul 2017 13:09:17 -0400
Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com
[10.5.11.15])
(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
(No client certificate requested)
by mx1.redhat.com (Postfix) with ESMTPS id 2072174864;
Fri, 7 Jul 2017 17:09:16 +0000 (UTC)
Received: from noname.redhat.com (ovpn-117-34.ams2.redhat.com [10.36.117.34])
by smtp.corp.redhat.com (Postfix) with ESMTP id D57E617140;
Fri, 7 Jul 2017 17:09:14 +0000 (UTC)
DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 2072174864
Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com;
dmarc=none (p=none dis=none) header.from=redhat.com
Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com;
spf=pass smtp.mailfrom=kwolf@redhat.com
DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 2072174864
From: Kevin Wolf <kwolf@redhat.com>
To: qemu-block@nongnu.org
Date: Fri, 7 Jul 2017 19:07:21 +0200
Message-Id: <1499447335-6125-7-git-send-email-kwolf@redhat.com>
In-Reply-To: <1499447335-6125-1-git-send-email-kwolf@redhat.com>
References: <1499447335-6125-1-git-send-email-kwolf@redhat.com>
MIME-Version: 1.0
X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16
(mx1.redhat.com [10.5.110.26]);
Fri, 07 Jul 2017 17:09:16 +0000 (UTC)
Content-Transfer-Encoding: quoted-printable
X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]
[fuzzy]
X-Received-From: 209.132.183.28
Subject: [Qemu-devel] [PULL 006/100] vvfat: replace tabs by 8 spaces
X-BeenThere: qemu-devel@nongnu.org
X-Mailman-Version: 2.1.21
Precedence: list
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel/>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
Cc: kwolf@redhat.com, qemu-devel@nongnu.org
Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org
Sender: "Qemu-devel" <qemu-devel-bounces+importer=patchew.org@nongnu.org>
X-ZohoMail: RSF_0 Z_629925259 SPT_0
Content-Type: text/plain; charset="utf-8"
From: Herv=C3=A9 Poussineau <hpoussin@reactos.org>
This was a complete mess. On 2299 indented lines:
- 1329 were with spaces only
- 617 with tabulations only
- 353 with spaces and tabulations
Signed-off-by: Herv=C3=A9 Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
block/vvfat.c | 2054 ++++++++++++++++++++++++++++-------------------------=
----
1 file changed, 1027 insertions(+), 1027 deletions(-)
diff --git a/block/vvfat.c b/block/vvfat.c
index 040fb71..e83b8ba 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -100,12 +100,12 @@ static inline void* array_get(array_t* array,unsigned=
int index) {
static inline int array_ensure_allocated(array_t* array, int index)
{
if((index + 1) * array->item_size > array->size) {
- int new_size =3D (index + 32) * array->item_size;
- array->pointer =3D g_realloc(array->pointer, new_size);
- if (!array->pointer)
- return -1;
- array->size =3D new_size;
- array->next =3D index + 1;
+ int new_size =3D (index + 32) * array->item_size;
+ array->pointer =3D g_realloc(array->pointer, new_size);
+ if (!array->pointer)
+ return -1;
+ array->size =3D new_size;
+ array->next =3D index + 1;
}
=20
return 0;
@@ -115,7 +115,7 @@ static inline void* array_get_next(array_t* array) {
unsigned int next =3D array->next;
=20
if (array_ensure_allocated(array, next) < 0)
- return NULL;
+ return NULL;
=20
array->next =3D next + 1;
return array_get(array, next);
@@ -123,15 +123,15 @@ static inline void* array_get_next(array_t* array) {
=20
static inline void* array_insert(array_t* array,unsigned int index,unsigne=
d int count) {
if((array->next+count)*array->item_size>array->size) {
- int increment=3Dcount*array->item_size;
- array->pointer=3Dg_realloc(array->pointer,array->size+increment);
- if(!array->pointer)
+ int increment=3Dcount*array->item_size;
+ array->pointer=3Dg_realloc(array->pointer,array->size+increment);
+ if(!array->pointer)
return NULL;
- array->size+=3Dincrement;
+ array->size+=3Dincrement;
}
memmove(array->pointer+(index+count)*array->item_size,
- array->pointer+index*array->item_size,
- (array->next-index)*array->item_size);
+ array->pointer+index*array->item_size,
+ (array->next-index)*array->item_size);
array->next+=3Dcount;
return array->pointer+index*array->item_size;
}
@@ -146,12 +146,12 @@ static inline int array_roll(array_t* array,int index=
_to,int index_from,int coun
int is;
=20
if(!array ||
- index_to<0 || index_to>=3Darray->next ||
- index_from<0 || index_from>=3Darray->next)
- return -1;
+ index_to<0 || index_to>=3Darray->next ||
+ index_from<0 || index_from>=3Darray->next)
+ return -1;
=20
if(index_to=3D=3Dindex_from)
- return 0;
+ return 0;
=20
is=3Darray->item_size;
from=3Darray->pointer+index_from*is;
@@ -160,9 +160,9 @@ static inline int array_roll(array_t* array,int index_t=
o,int index_from,int coun
memcpy(buf,from,is*count);
=20
if(index_to<index_from)
- memmove(to+is*count,to,from-to);
+ memmove(to+is*count,to,from-to);
else
- memmove(from,from+is*count,to-from);
+ memmove(from,from+is*count,to-from);
=20
memcpy(to,buf,is*count);
=20
@@ -177,7 +177,7 @@ static inline int array_remove_slice(array_t* array,int=
index, int count)
assert(count > 0);
assert(index + count <=3D array->next);
if(array_roll(array,array->next-1,index,count))
- return -1;
+ return -1;
array->next -=3D count;
return 0;
}
@@ -216,21 +216,21 @@ typedef struct bootsector_t {
uint32_t total_sectors;
union {
struct {
- uint8_t drive_number;
- uint8_t current_head;
- uint8_t signature;
- uint32_t id;
- uint8_t volume_label[11];
- } QEMU_PACKED fat16;
- struct {
- uint32_t sectors_per_fat;
- uint16_t flags;
- uint8_t major,minor;
- uint32_t first_cluster_of_root_directory;
- uint16_t info_sector;
- uint16_t backup_boot_sector;
- uint16_t ignored;
- } QEMU_PACKED fat32;
+ uint8_t drive_number;
+ uint8_t current_head;
+ uint8_t signature;
+ uint32_t id;
+ uint8_t volume_label[11];
+ } QEMU_PACKED fat16;
+ struct {
+ uint32_t sectors_per_fat;
+ uint16_t flags;
+ uint8_t major,minor;
+ uint32_t first_cluster_of_root_directory;
+ uint16_t info_sector;
+ uint16_t backup_boot_sector;
+ uint16_t ignored;
+ } QEMU_PACKED fat32;
} u;
uint8_t fat_type[8];
uint8_t ignored[0x1c0];
@@ -284,25 +284,25 @@ typedef struct mapping_t {
/* the clusters of a file may be in any order; this points to the firs=
t */
int first_mapping_index;
union {
- /* offset is
- * - the offset in the file (in clusters) for a file, or
- * - the next cluster of the directory for a directory, and
- * - the address of the buffer for a faked entry
- */
- struct {
- uint32_t offset;
- } file;
- struct {
- int parent_mapping_index;
- int first_dir_index;
- } dir;
+ /* offset is
+ * - the offset in the file (in clusters) for a file, or
+ * - the next cluster of the directory for a directory, and
+ * - the address of the buffer for a faked entry
+ */
+ struct {
+ uint32_t offset;
+ } file;
+ struct {
+ int parent_mapping_index;
+ int first_dir_index;
+ } dir;
} info;
/* path contains the full path, i.e. it always starts with s->path */
char* path;
=20
enum { MODE_UNDEFINED =3D 0, MODE_NORMAL =3D 1, MODE_MODIFIED =3D 2,
- MODE_DIRECTORY =3D 4, MODE_FAKED =3D 8,
- MODE_DELETED =3D 16, MODE_RENAMED =3D 32 } mode;
+ MODE_DIRECTORY =3D 4, MODE_FAKED =3D 8,
+ MODE_DELETED =3D 16, MODE_RENAMED =3D 32 } mode;
int read_only;
} mapping_t;
=20
@@ -419,12 +419,12 @@ static inline int short2long_name(char* dest,const ch=
ar* src)
int len;
for(i=3D0;i<129 && src[i];i++) {
dest[2*i]=3Dsrc[i];
- dest[2*i+1]=3D0;
+ dest[2*i+1]=3D0;
}
len=3D2*i;
dest[2*i]=3Ddest[2*i+1]=3D0;
for(i=3D2*i+2;(i%26);i++)
- dest[i]=3D0xff;
+ dest[i]=3D0xff;
return len;
}
=20
@@ -436,19 +436,19 @@ static inline direntry_t* create_long_filename(BDRVVV=
FATState* s,const char* fil
direntry_t* entry;
=20
for(i=3D0;i<number_of_entries;i++) {
- entry=3Darray_get_next(&(s->directory));
- entry->attributes=3D0xf;
- entry->reserved[0]=3D0;
- entry->begin=3D0;
- entry->name[0]=3D(number_of_entries-i)|(i=3D=3D0?0x40:0);
+ entry=3Darray_get_next(&(s->directory));
+ entry->attributes=3D0xf;
+ entry->reserved[0]=3D0;
+ entry->begin=3D0;
+ entry->name[0]=3D(number_of_entries-i)|(i=3D=3D0?0x40:0);
}
for(i=3D0;i<26*number_of_entries;i++) {
- int offset=3D(i%26);
- if(offset<10) offset=3D1+offset;
- else if(offset<22) offset=3D14+offset-10;
- else offset=3D28+offset-22;
- entry=3Darray_get(&(s->directory),s->directory.next-1-(i/26));
- entry->name[offset]=3Dbuffer[i];
+ int offset=3D(i%26);
+ if(offset<10) offset=3D1+offset;
+ else if(offset<22) offset=3D14+offset-10;
+ else offset=3D28+offset-22;
+ entry=3Darray_get(&(s->directory),s->directory.next-1-(i/26));
+ entry->name[offset]=3Dbuffer[i];
}
return array_get(&(s->directory),s->directory.next-number_of_entries);
}
@@ -471,7 +471,7 @@ static char is_long_name(const direntry_t* direntry)
static char is_short_name(const direntry_t* direntry)
{
return !is_volume_label(direntry) && !is_long_name(direntry)
- && !is_free(direntry);
+ && !is_free(direntry);
}
=20
static char is_directory(const direntry_t* direntry)
@@ -527,73 +527,73 @@ static uint16_t fat_datetime(time_t time,int return_t=
ime) {
t =3D &t1;
localtime_r(&time,t);
if(return_time)
- return cpu_to_le16((t->tm_sec/2)|(t->tm_min<<5)|(t->tm_hour<<11));
+ return cpu_to_le16((t->tm_sec/2)|(t->tm_min<<5)|(t->tm_hour<<11));
return cpu_to_le16((t->tm_mday)|((t->tm_mon+1)<<5)|((t->tm_year-80)<<9=
));
}
=20
static inline void fat_set(BDRVVVFATState* s,unsigned int cluster,uint32_t=
value)
{
if(s->fat_type=3D=3D32) {
- uint32_t* entry=3Darray_get(&(s->fat),cluster);
- *entry=3Dcpu_to_le32(value);
+ uint32_t* entry=3Darray_get(&(s->fat),cluster);
+ *entry=3Dcpu_to_le32(value);
} else if(s->fat_type=3D=3D16) {
- uint16_t* entry=3Darray_get(&(s->fat),cluster);
- *entry=3Dcpu_to_le16(value&0xffff);
+ uint16_t* entry=3Darray_get(&(s->fat),cluster);
+ *entry=3Dcpu_to_le16(value&0xffff);
} else {
- int offset =3D (cluster*3/2);
- unsigned char* p =3D array_get(&(s->fat), offset);
+ int offset =3D (cluster*3/2);
+ unsigned char* p =3D array_get(&(s->fat), offset);
switch (cluster&1) {
- case 0:
- p[0] =3D value&0xff;
- p[1] =3D (p[1]&0xf0) | ((value>>8)&0xf);
- break;
- case 1:
- p[0] =3D (p[0]&0xf) | ((value&0xf)<<4);
- p[1] =3D (value>>4);
- break;
- }
+ case 0:
+ p[0] =3D value&0xff;
+ p[1] =3D (p[1]&0xf0) | ((value>>8)&0xf);
+ break;
+ case 1:
+ p[0] =3D (p[0]&0xf) | ((value&0xf)<<4);
+ p[1] =3D (value>>4);
+ break;
+ }
}
}
=20
static inline uint32_t fat_get(BDRVVVFATState* s,unsigned int cluster)
{
if(s->fat_type=3D=3D32) {
- uint32_t* entry=3Darray_get(&(s->fat),cluster);
- return le32_to_cpu(*entry);
+ uint32_t* entry=3Darray_get(&(s->fat),cluster);
+ return le32_to_cpu(*entry);
} else if(s->fat_type=3D=3D16) {
- uint16_t* entry=3Darray_get(&(s->fat),cluster);
- return le16_to_cpu(*entry);
+ uint16_t* entry=3Darray_get(&(s->fat),cluster);
+ return le16_to_cpu(*entry);
} else {
- const uint8_t* x=3D(uint8_t*)(s->fat.pointer)+cluster*3/2;
- return ((x[0]|(x[1]<<8))>>(cluster&1?4:0))&0x0fff;
+ const uint8_t* x=3D(uint8_t*)(s->fat.pointer)+cluster*3/2;
+ return ((x[0]|(x[1]<<8))>>(cluster&1?4:0))&0x0fff;
}
}
=20
static inline int fat_eof(BDRVVVFATState* s,uint32_t fat_entry)
{
if(fat_entry>s->max_fat_value-8)
- return -1;
+ return -1;
return 0;
}
=20
static inline void init_fat(BDRVVVFATState* s)
{
if (s->fat_type =3D=3D 12) {
- array_init(&(s->fat),1);
- array_ensure_allocated(&(s->fat),
- s->sectors_per_fat * 0x200 * 3 / 2 - 1);
+ array_init(&(s->fat),1);
+ array_ensure_allocated(&(s->fat),
+ s->sectors_per_fat * 0x200 * 3 / 2 - 1);
} else {
- array_init(&(s->fat),(s->fat_type=3D=3D32?4:2));
- array_ensure_allocated(&(s->fat),
- s->sectors_per_fat * 0x200 / s->fat.item_size - 1);
+ array_init(&(s->fat),(s->fat_type=3D=3D32?4:2));
+ array_ensure_allocated(&(s->fat),
+ s->sectors_per_fat * 0x200 / s->fat.item_size - 1);
}
memset(s->fat.pointer,0,s->fat.size);
=20
switch(s->fat_type) {
- case 12: s->max_fat_value=3D0xfff; break;
- case 16: s->max_fat_value=3D0xffff; break;
- case 32: s->max_fat_value=3D0x0fffffff; break;
- default: s->max_fat_value=3D0; /* error... */
+ case 12: s->max_fat_value=3D0xfff; break;
+ case 16: s->max_fat_value=3D0xffff; break;
+ case 32: s->max_fat_value=3D0x0fffffff; break;
+ default: s->max_fat_value=3D0; /* error... */
}
=20
}
@@ -601,17 +601,17 @@ static inline void init_fat(BDRVVVFATState* s)
/* TODO: in create_short_filename, 0xe5->0x05 is not yet handled! */
/* TODO: in parse_short_filename, 0x05->0xe5 is not yet handled! */
static inline direntry_t* create_short_and_long_name(BDRVVVFATState* s,
- unsigned int directory_start, const char* filename, int is_dot)
+ unsigned int directory_start, const char* filename, int is_dot)
{
int i,j,long_index=3Ds->directory.next;
direntry_t* entry =3D NULL;
direntry_t* entry_long =3D NULL;
=20
if(is_dot) {
- entry=3Darray_get_next(&(s->directory));
+ entry=3Darray_get_next(&(s->directory));
memset(entry->name, 0x20, sizeof(entry->name));
- memcpy(entry->name,filename,strlen(filename));
- return entry;
+ memcpy(entry->name,filename,strlen(filename));
+ return entry;
}
=20
entry_long=3Dcreate_long_filename(s,filename);
@@ -619,9 +619,9 @@ static inline direntry_t* create_short_and_long_name(BD=
RVVVFATState* s,
i =3D strlen(filename);
for(j =3D i - 1; j>0 && filename[j]!=3D'.';j--);
if (j > 0)
- i =3D (j > 8 ? 8 : j);
+ i =3D (j > 8 ? 8 : j);
else if (i > 8)
- i =3D 8;
+ i =3D 8;
=20
entry=3Darray_get_next(&(s->directory));
memset(entry->name, 0x20, sizeof(entry->name));
@@ -635,53 +635,53 @@ static inline direntry_t* create_short_and_long_name(=
BDRVVVFATState* s,
=20
/* upcase & remove unwanted characters */
for(i=3D10;i>=3D0;i--) {
- if(i=3D=3D10 || i=3D=3D7) for(;i>0 && entry->name[i]=3D=3D' ';i--);
- if(entry->name[i]<=3D' ' || entry->name[i]>0x7f
- || strchr(".*?<>|\":/\\[];,+=3D'",entry->name[i]))
- entry->name[i]=3D'_';
+ if(i=3D=3D10 || i=3D=3D7) for(;i>0 && entry->name[i]=3D=3D' ';i--);
+ if(entry->name[i]<=3D' ' || entry->name[i]>0x7f
+ || strchr(".*?<>|\":/\\[];,+=3D'",entry->name[i]))
+ entry->name[i]=3D'_';
else if(entry->name[i]>=3D'a' && entry->name[i]<=3D'z')
entry->name[i]+=3D'A'-'a';
}
=20
/* mangle duplicates */
while(1) {
- direntry_t* entry1=3Darray_get(&(s->directory),directory_start);
- int j;
-
- for(;entry1<entry;entry1++)
- if(!is_long_name(entry1) && !memcmp(entry1->name,entry->name,11))
- break; /* found dupe */
- if(entry1=3D=3Dentry) /* no dupe found */
- break;
-
- /* use all 8 characters of name */
- if(entry->name[7]=3D=3D' ') {
- int j;
- for(j=3D6;j>0 && entry->name[j]=3D=3D' ';j--)
- entry->name[j]=3D'~';
- }
-
- /* increment number */
- for(j=3D7;j>0 && entry->name[j]=3D=3D'9';j--)
- entry->name[j]=3D'0';
- if(j>0) {
- if(entry->name[j]<'0' || entry->name[j]>'9')
- entry->name[j]=3D'0';
- else
- entry->name[j]++;
- }
+ direntry_t* entry1=3Darray_get(&(s->directory),directory_start);
+ int j;
+
+ for(;entry1<entry;entry1++)
+ if(!is_long_name(entry1) && !memcmp(entry1->name,entry->name,1=
1))
+ break; /* found dupe */
+ if(entry1=3D=3Dentry) /* no dupe found */
+ break;
+
+ /* use all 8 characters of name */
+ if(entry->name[7]=3D=3D' ') {
+ int j;
+ for(j=3D6;j>0 && entry->name[j]=3D=3D' ';j--)
+ entry->name[j]=3D'~';
+ }
+
+ /* increment number */
+ for(j=3D7;j>0 && entry->name[j]=3D=3D'9';j--)
+ entry->name[j]=3D'0';
+ if(j>0) {
+ if(entry->name[j]<'0' || entry->name[j]>'9')
+ entry->name[j]=3D'0';
+ else
+ entry->name[j]++;
+ }
}
=20
/* calculate checksum; propagate to long name */
if(entry_long) {
uint8_t chksum=3Dfat_chksum(entry);
=20
- /* calculate anew, because realloc could have taken place */
- entry_long=3Darray_get(&(s->directory),long_index);
- while(entry_long<entry && is_long_name(entry_long)) {
- entry_long->reserved[1]=3Dchksum;
- entry_long++;
- }
+ /* calculate anew, because realloc could have taken place */
+ entry_long=3Darray_get(&(s->directory),long_index);
+ while(entry_long<entry && is_long_name(entry_long)) {
+ entry_long->reserved[1]=3Dchksum;
+ entry_long++;
+ }
}
=20
return entry;
@@ -708,80 +708,80 @@ static int read_directory(BDRVVVFATState* s, int mapp=
ing_index)
assert(mapping->mode & MODE_DIRECTORY);
=20
if(!dir) {
- mapping->end =3D mapping->begin;
- return -1;
+ mapping->end =3D mapping->begin;
+ return -1;
}
=20
i =3D mapping->info.dir.first_dir_index =3D
- first_cluster =3D=3D 0 ? 0 : s->directory.next;
+ first_cluster =3D=3D 0 ? 0 : s->directory.next;
=20
/* actually read the directory, and allocate the mappings */
while((entry=3Dreaddir(dir))) {
- unsigned int length=3Dstrlen(dirname)+2+strlen(entry->d_name);
+ unsigned int length=3Dstrlen(dirname)+2+strlen(entry->d_name);
char* buffer;
- direntry_t* direntry;
+ direntry_t* direntry;
struct stat st;
- int is_dot=3D!strcmp(entry->d_name,".");
- int is_dotdot=3D!strcmp(entry->d_name,"..");
+ int is_dot=3D!strcmp(entry->d_name,".");
+ int is_dotdot=3D!strcmp(entry->d_name,"..");
=20
- if(first_cluster =3D=3D 0 && (is_dotdot || is_dot))
- continue;
+ if(first_cluster =3D=3D 0 && (is_dotdot || is_dot))
+ continue;
=20
- buffer =3D g_malloc(length);
- snprintf(buffer,length,"%s/%s",dirname,entry->d_name);
+ buffer =3D g_malloc(length);
+ snprintf(buffer,length,"%s/%s",dirname,entry->d_name);
=20
- if(stat(buffer,&st)<0) {
+ if(stat(buffer,&st)<0) {
g_free(buffer);
continue;
- }
-
- /* create directory entry for this file */
- direntry=3Dcreate_short_and_long_name(s, i, entry->d_name,
- is_dot || is_dotdot);
- direntry->attributes=3D(S_ISDIR(st.st_mode)?0x10:0x20);
- direntry->reserved[0]=3Ddirentry->reserved[1]=3D0;
- direntry->ctime=3Dfat_datetime(st.st_ctime,1);
- direntry->cdate=3Dfat_datetime(st.st_ctime,0);
- direntry->adate=3Dfat_datetime(st.st_atime,0);
- direntry->begin_hi=3D0;
- direntry->mtime=3Dfat_datetime(st.st_mtime,1);
- direntry->mdate=3Dfat_datetime(st.st_mtime,0);
- if(is_dotdot)
- set_begin_of_direntry(direntry, first_cluster_of_parent);
- else if(is_dot)
- set_begin_of_direntry(direntry, first_cluster);
- else
- direntry->begin=3D0; /* do that later */
+ }
+
+ /* create directory entry for this file */
+ direntry=3Dcreate_short_and_long_name(s, i, entry->d_name,
+ is_dot || is_dotdot);
+ direntry->attributes=3D(S_ISDIR(st.st_mode)?0x10:0x20);
+ direntry->reserved[0]=3Ddirentry->reserved[1]=3D0;
+ direntry->ctime=3Dfat_datetime(st.st_ctime,1);
+ direntry->cdate=3Dfat_datetime(st.st_ctime,0);
+ direntry->adate=3Dfat_datetime(st.st_atime,0);
+ direntry->begin_hi=3D0;
+ direntry->mtime=3Dfat_datetime(st.st_mtime,1);
+ direntry->mdate=3Dfat_datetime(st.st_mtime,0);
+ if(is_dotdot)
+ set_begin_of_direntry(direntry, first_cluster_of_parent);
+ else if(is_dot)
+ set_begin_of_direntry(direntry, first_cluster);
+ else
+ direntry->begin=3D0; /* do that later */
if (st.st_size > 0x7fffffff) {
- fprintf(stderr, "File %s is larger than 2GB\n", buffer);
+ fprintf(stderr, "File %s is larger than 2GB\n", buffer);
g_free(buffer);
closedir(dir);
- return -2;
+ return -2;
}
- direntry->size=3Dcpu_to_le32(S_ISDIR(st.st_mode)?0:st.st_size);
-
- /* create mapping for this file */
- if(!is_dot && !is_dotdot && (S_ISDIR(st.st_mode) || st.st_size)) {
- s->current_mapping =3D array_get_next(&(s->mapping));
- s->current_mapping->begin=3D0;
- s->current_mapping->end=3Dst.st_size;
- /*
- * we get the direntry of the most recent direntry, which
- * contains the short name and all the relevant information.
- */
- s->current_mapping->dir_index=3Ds->directory.next-1;
- s->current_mapping->first_mapping_index =3D -1;
- if (S_ISDIR(st.st_mode)) {
- s->current_mapping->mode =3D MODE_DIRECTORY;
- s->current_mapping->info.dir.parent_mapping_index =3D
- mapping_index;
- } else {
- s->current_mapping->mode =3D MODE_UNDEFINED;
- s->current_mapping->info.file.offset =3D 0;
- }
- s->current_mapping->path=3Dbuffer;
- s->current_mapping->read_only =3D
- (st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)) =3D=3D 0;
+ direntry->size=3Dcpu_to_le32(S_ISDIR(st.st_mode)?0:st.st_size);
+
+ /* create mapping for this file */
+ if(!is_dot && !is_dotdot && (S_ISDIR(st.st_mode) || st.st_size)) {
+ s->current_mapping =3D array_get_next(&(s->mapping));
+ s->current_mapping->begin=3D0;
+ s->current_mapping->end=3Dst.st_size;
+ /*
+ * we get the direntry of the most recent direntry, which
+ * contains the short name and all the relevant information.
+ */
+ s->current_mapping->dir_index=3Ds->directory.next-1;
+ s->current_mapping->first_mapping_index =3D -1;
+ if (S_ISDIR(st.st_mode)) {
+ s->current_mapping->mode =3D MODE_DIRECTORY;
+ s->current_mapping->info.dir.parent_mapping_index =3D
+ mapping_index;
+ } else {
+ s->current_mapping->mode =3D MODE_UNDEFINED;
+ s->current_mapping->info.file.offset =3D 0;
+ }
+ s->current_mapping->path=3Dbuffer;
+ s->current_mapping->read_only =3D
+ (st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)) =3D=3D 0;
} else {
g_free(buffer);
}
@@ -790,25 +790,25 @@ static int read_directory(BDRVVVFATState* s, int mapp=
ing_index)
=20
/* fill with zeroes up to the end of the cluster */
while(s->directory.next%(0x10*s->sectors_per_cluster)) {
- direntry_t* direntry=3Darray_get_next(&(s->directory));
- memset(direntry,0,sizeof(direntry_t));
+ direntry_t* direntry=3Darray_get_next(&(s->directory));
+ memset(direntry,0,sizeof(direntry_t));
}
=20
/* TODO: if there are more entries, bootsector has to be adjusted! */
#define ROOT_ENTRIES (0x02 * 0x10 * s->sectors_per_cluster)
if (mapping_index =3D=3D 0 && s->directory.next < ROOT_ENTRIES) {
- /* root directory */
- int cur =3D s->directory.next;
- array_ensure_allocated(&(s->directory), ROOT_ENTRIES - 1);
- s->directory.next =3D ROOT_ENTRIES;
- memset(array_get(&(s->directory), cur), 0,
- (ROOT_ENTRIES - cur) * sizeof(direntry_t));
+ /* root directory */
+ int cur =3D s->directory.next;
+ array_ensure_allocated(&(s->directory), ROOT_ENTRIES - 1);
+ s->directory.next =3D ROOT_ENTRIES;
+ memset(array_get(&(s->directory), cur), 0,
+ (ROOT_ENTRIES - cur) * sizeof(direntry_t));
}
=20
/* reget the mapping, since s->mapping was possibly realloc()ed */
mapping =3D array_get(&(s->mapping), mapping_index);
first_cluster +=3D (s->directory.next - mapping->info.dir.first_dir_in=
dex)
- * 0x20 / s->cluster_size;
+ * 0x20 / s->cluster_size;
mapping->end =3D first_cluster;
=20
direntry =3D array_get(&(s->directory), mapping->dir_index);
@@ -856,8 +856,8 @@ static int init_directories(BDRVVVFATState* s,
=20
/* add volume label */
{
- direntry_t* entry=3Darray_get_next(&(s->directory));
- entry->attributes=3D0x28; /* archive | volume label */
+ direntry_t* entry=3Darray_get_next(&(s->directory));
+ entry->attributes=3D0x28; /* archive | volume label */
memcpy(entry->name, s->volume_label, sizeof(entry->name));
}
=20
@@ -875,61 +875,61 @@ static int init_directories(BDRVVVFATState* s,
mapping->path =3D g_strdup(dirname);
i =3D strlen(mapping->path);
if (i > 0 && mapping->path[i - 1] =3D=3D '/')
- mapping->path[i - 1] =3D '\0';
+ mapping->path[i - 1] =3D '\0';
mapping->mode =3D MODE_DIRECTORY;
mapping->read_only =3D 0;
s->path =3D mapping->path;
=20
for (i =3D 0, cluster =3D 0; i < s->mapping.next; i++) {
- /* MS-DOS expects the FAT to be 0 for the root directory
- * (except for the media byte). */
- /* LATER TODO: still true for FAT32? */
- int fix_fat =3D (i !=3D 0);
- mapping =3D array_get(&(s->mapping), i);
+ /* MS-DOS expects the FAT to be 0 for the root directory
+ * (except for the media byte). */
+ /* LATER TODO: still true for FAT32? */
+ int fix_fat =3D (i !=3D 0);
+ mapping =3D array_get(&(s->mapping), i);
=20
if (mapping->mode & MODE_DIRECTORY) {
- mapping->begin =3D cluster;
- if(read_directory(s, i)) {
+ mapping->begin =3D cluster;
+ if(read_directory(s, i)) {
error_setg(errp, "Could not read directory %s",
mapping->path);
- return -1;
- }
- mapping =3D array_get(&(s->mapping), i);
- } else {
- assert(mapping->mode =3D=3D MODE_UNDEFINED);
- mapping->mode=3DMODE_NORMAL;
- mapping->begin =3D cluster;
- if (mapping->end > 0) {
- direntry_t* direntry =3D array_get(&(s->directory),
- mapping->dir_index);
-
- mapping->end =3D cluster + 1 + (mapping->end-1)/s->cluster_size;
- set_begin_of_direntry(direntry, mapping->begin);
- } else {
- mapping->end =3D cluster + 1;
- fix_fat =3D 0;
- }
- }
-
- assert(mapping->begin < mapping->end);
-
- /* next free cluster */
- cluster =3D mapping->end;
-
- if(cluster > s->cluster_count) {
+ return -1;
+ }
+ mapping =3D array_get(&(s->mapping), i);
+ } else {
+ assert(mapping->mode =3D=3D MODE_UNDEFINED);
+ mapping->mode=3DMODE_NORMAL;
+ mapping->begin =3D cluster;
+ if (mapping->end > 0) {
+ direntry_t* direntry =3D array_get(&(s->directory),
+ mapping->dir_index);
+
+ mapping->end =3D cluster + 1 + (mapping->end-1)/s->cluster=
_size;
+ set_begin_of_direntry(direntry, mapping->begin);
+ } else {
+ mapping->end =3D cluster + 1;
+ fix_fat =3D 0;
+ }
+ }
+
+ assert(mapping->begin < mapping->end);
+
+ /* next free cluster */
+ cluster =3D mapping->end;
+
+ if(cluster > s->cluster_count) {
error_setg(errp,
"Directory does not fit in FAT%d (capacity %.2f MB)=
",
s->fat_type, s->sector_count / 2000.0);
return -1;
- }
+ }
=20
- /* fix fat for entry */
- if (fix_fat) {
- int j;
- for(j =3D mapping->begin; j < mapping->end - 1; j++)
- fat_set(s, j, j+1);
- fat_set(s, mapping->end - 1, s->max_fat_value);
- }
+ /* fix fat for entry */
+ if (fix_fat) {
+ int j;
+ for(j =3D mapping->begin; j < mapping->end - 1; j++)
+ fat_set(s, j, j+1);
+ fat_set(s, mapping->end - 1, s->max_fat_value);
+ }
}
=20
mapping =3D array_get(&(s->mapping), 0);
@@ -1135,7 +1135,7 @@ static int vvfat_open(BlockDriverState *bs, QDict *op=
tions, int flags,
=20
switch (s->fat_type) {
case 32:
- fprintf(stderr, "Big fat greek warning: FAT32 has not been tested. "
+ fprintf(stderr, "Big fat greek warning: FAT32 has not been tes=
ted. "
"You are welcome to do so!\n");
break;
case 16:
@@ -1229,11 +1229,11 @@ static void vvfat_refresh_limits(BlockDriverState *=
bs, Error **errp)
static inline void vvfat_close_current_file(BDRVVVFATState *s)
{
if(s->current_mapping) {
- s->current_mapping =3D NULL;
- if (s->current_fd) {
- qemu_close(s->current_fd);
- s->current_fd =3D 0;
- }
+ s->current_mapping =3D NULL;
+ if (s->current_fd) {
+ qemu_close(s->current_fd);
+ s->current_fd =3D 0;
+ }
}
s->current_cluster =3D -1;
}
@@ -1245,26 +1245,26 @@ static inline int find_mapping_for_cluster_aux(BDRV=
VVFATState* s,int cluster_num
{
while(1) {
int index3;
- mapping_t* mapping;
- index3=3D(index1+index2)/2;
- mapping=3Darray_get(&(s->mapping),index3);
- assert(mapping->begin < mapping->end);
- if(mapping->begin>=3Dcluster_num) {
- assert(index2!=3Dindex3 || index2=3D=3D0);
- if(index2=3D=3Dindex3)
- return index1;
- index2=3Dindex3;
- } else {
- if(index1=3D=3Dindex3)
- return mapping->end<=3Dcluster_num ? index2 : index1;
- index1=3Dindex3;
- }
- assert(index1<=3Dindex2);
- DLOG(mapping=3Darray_get(&(s->mapping),index1);
- assert(mapping->begin<=3Dcluster_num);
- assert(index2 >=3D s->mapping.next ||
- ((mapping =3D array_get(&(s->mapping),index2)) &&
- mapping->end>cluster_num)));
+ mapping_t* mapping;
+ index3=3D(index1+index2)/2;
+ mapping=3Darray_get(&(s->mapping),index3);
+ assert(mapping->begin < mapping->end);
+ if(mapping->begin>=3Dcluster_num) {
+ assert(index2!=3Dindex3 || index2=3D=3D0);
+ if(index2=3D=3Dindex3)
+ return index1;
+ index2=3Dindex3;
+ } else {
+ if(index1=3D=3Dindex3)
+ return mapping->end<=3Dcluster_num ? index2 : index1;
+ index1=3Dindex3;
+ }
+ assert(index1<=3Dindex2);
+ DLOG(mapping=3Darray_get(&(s->mapping),index1);
+ assert(mapping->begin<=3Dcluster_num);
+ assert(index2 >=3D s->mapping.next ||
+ ((mapping =3D array_get(&(s->mapping),index2)) &&
+ mapping->end>cluster_num)));
}
}
=20
@@ -1284,16 +1284,16 @@ static inline mapping_t* find_mapping_for_cluster(B=
DRVVVFATState* s,int cluster_
static int open_file(BDRVVVFATState* s,mapping_t* mapping)
{
if(!mapping)
- return -1;
+ return -1;
if(!s->current_mapping ||
- strcmp(s->current_mapping->path,mapping->path)) {
- /* open file */
- int fd =3D qemu_open(mapping->path, O_RDONLY | O_BINARY | O_LARGEFILE);
- if(fd<0)
- return -1;
- vvfat_close_current_file(s);
- s->current_fd =3D fd;
- s->current_mapping =3D mapping;
+ strcmp(s->current_mapping->path,mapping->path)) {
+ /* open file */
+ int fd =3D qemu_open(mapping->path, O_RDONLY | O_BINARY | O_LARGEF=
ILE);
+ if(fd<0)
+ return -1;
+ vvfat_close_current_file(s);
+ s->current_fd =3D fd;
+ s->current_mapping =3D mapping;
}
return 0;
}
@@ -1301,47 +1301,47 @@ static int open_file(BDRVVVFATState* s,mapping_t* m=
apping)
static inline int read_cluster(BDRVVVFATState *s,int cluster_num)
{
if(s->current_cluster !=3D cluster_num) {
- int result=3D0;
- off_t offset;
- assert(!s->current_mapping || s->current_fd || (s->current_mapping->mode =
& MODE_DIRECTORY));
- if(!s->current_mapping
- || s->current_mapping->begin>cluster_num
- || s->current_mapping->end<=3Dcluster_num) {
- /* binary search of mappings for file */
- mapping_t* mapping=3Dfind_mapping_for_cluster(s,cluster_num);
-
- assert(!mapping || (cluster_num>=3Dmapping->begin && cluster_num<mapp=
ing->end));
-
- if (mapping && mapping->mode & MODE_DIRECTORY) {
- vvfat_close_current_file(s);
- s->current_mapping =3D mapping;
+ int result=3D0;
+ off_t offset;
+ assert(!s->current_mapping || s->current_fd || (s->current_mapping=
->mode & MODE_DIRECTORY));
+ if(!s->current_mapping
+ || s->current_mapping->begin>cluster_num
+ || s->current_mapping->end<=3Dcluster_num) {
+ /* binary search of mappings for file */
+ mapping_t* mapping=3Dfind_mapping_for_cluster(s,cluster_num);
+
+ assert(!mapping || (cluster_num>=3Dmapping->begin && cluster_n=
um<mapping->end));
+
+ if (mapping && mapping->mode & MODE_DIRECTORY) {
+ vvfat_close_current_file(s);
+ s->current_mapping =3D mapping;
read_cluster_directory:
- offset =3D s->cluster_size*(cluster_num-s->current_mapping->begin);
- s->cluster =3D (unsigned char*)s->directory.pointer+offset
- + 0x20*s->current_mapping->info.dir.first_dir_index;
- assert(((s->cluster-(unsigned char*)s->directory.pointer)%s->cluster_siz=
e)=3D=3D0);
- assert((char*)s->cluster+s->cluster_size <=3D s->directory.pointer+s->di=
rectory.next*s->directory.item_size);
- s->current_cluster =3D cluster_num;
- return 0;
- }
-
- if(open_file(s,mapping))
- return -2;
- } else if (s->current_mapping->mode & MODE_DIRECTORY)
- goto read_cluster_directory;
-
- assert(s->current_fd);
-
- offset=3Ds->cluster_size*(cluster_num-s->current_mapping->begin)+s->curre=
nt_mapping->info.file.offset;
- if(lseek(s->current_fd, offset, SEEK_SET)!=3Doffset)
- return -3;
- s->cluster=3Ds->cluster_buffer;
- result=3Dread(s->current_fd,s->cluster,s->cluster_size);
- if(result<0) {
- s->current_cluster =3D -1;
- return -1;
- }
- s->current_cluster =3D cluster_num;
+ offset =3D s->cluster_size*(cluster_num-s->current_mapping=
->begin);
+ s->cluster =3D (unsigned char*)s->directory.pointer+offset
+ + 0x20*s->current_mapping->info.dir.first_dir_inde=
x;
+ assert(((s->cluster-(unsigned char*)s->directory.pointer)%=
s->cluster_size)=3D=3D0);
+ assert((char*)s->cluster+s->cluster_size <=3D s->directory=
.pointer+s->directory.next*s->directory.item_size);
+ s->current_cluster =3D cluster_num;
+ return 0;
+ }
+
+ if(open_file(s,mapping))
+ return -2;
+ } else if (s->current_mapping->mode & MODE_DIRECTORY)
+ goto read_cluster_directory;
+
+ assert(s->current_fd);
+
+ offset=3Ds->cluster_size*(cluster_num-s->current_mapping->begin)+s=
->current_mapping->info.file.offset;
+ if(lseek(s->current_fd, offset, SEEK_SET)!=3Doffset)
+ return -3;
+ s->cluster=3Ds->cluster_buffer;
+ result=3Dread(s->current_fd,s->cluster,s->cluster_size);
+ if(result<0) {
+ s->current_cluster =3D -1;
+ return -1;
+ }
+ s->current_cluster =3D cluster_num;
}
return 0;
}
@@ -1354,28 +1354,28 @@ static void print_direntry(const direntry_t* dirent=
ry)
=20
fprintf(stderr, "direntry %p: ", direntry);
if(!direntry)
- return;
+ return;
if(is_long_name(direntry)) {
- unsigned char* c=3D(unsigned char*)direntry;
- int i;
- for(i=3D1;i<11 && c[i] && c[i]!=3D0xff;i+=3D2)
+ unsigned char* c=3D(unsigned char*)direntry;
+ int i;
+ for(i=3D1;i<11 && c[i] && c[i]!=3D0xff;i+=3D2)
#define ADD_CHAR(c) {buffer[j] =3D (c); if (buffer[j] < ' ') buffer[j] =3D=
0xb0; j++;}
- ADD_CHAR(c[i]);
- for(i=3D14;i<26 && c[i] && c[i]!=3D0xff;i+=3D2)
- ADD_CHAR(c[i]);
- for(i=3D28;i<32 && c[i] && c[i]!=3D0xff;i+=3D2)
- ADD_CHAR(c[i]);
- buffer[j] =3D 0;
- fprintf(stderr, "%s\n", buffer);
+ ADD_CHAR(c[i]);
+ for(i=3D14;i<26 && c[i] && c[i]!=3D0xff;i+=3D2)
+ ADD_CHAR(c[i]);
+ for(i=3D28;i<32 && c[i] && c[i]!=3D0xff;i+=3D2)
+ ADD_CHAR(c[i]);
+ buffer[j] =3D 0;
+ fprintf(stderr, "%s\n", buffer);
} else {
- int i;
- for(i=3D0;i<11;i++)
- ADD_CHAR(direntry->name[i]);
- buffer[j] =3D 0;
- fprintf(stderr,"%s attributes=3D0x%02x begin=3D%d size=3D%d\n",
- buffer,
- direntry->attributes,
- begin_of_direntry(direntry),le32_to_cpu(direntry->size));
+ int i;
+ for(i=3D0;i<11;i++)
+ ADD_CHAR(direntry->name[i]);
+ buffer[j] =3D 0;
+ fprintf(stderr,"%s attributes=3D0x%02x begin=3D%d size=3D%d\n",
+ buffer,
+ direntry->attributes,
+ begin_of_direntry(direntry),le32_to_cpu(direntry->size));
}
}
=20
@@ -1387,9 +1387,9 @@ static void print_mapping(const mapping_t* mapping)
mapping->first_mapping_index, mapping->path, mapping->mode);
=20
if (mapping->mode & MODE_DIRECTORY)
- fprintf(stderr, "parent_mapping_index =3D %d, first_dir_index =3D %d\n", =
mapping->info.dir.parent_mapping_index, mapping->info.dir.first_dir_index);
+ fprintf(stderr, "parent_mapping_index =3D %d, first_dir_index =3D =
%d\n", mapping->info.dir.parent_mapping_index, mapping->info.dir.first_dir_=
index);
else
- fprintf(stderr, "offset =3D %d\n", mapping->info.file.offset);
+ fprintf(stderr, "offset =3D %d\n", mapping->info.file.offset);
}
#endif
=20
@@ -1400,10 +1400,10 @@ static int vvfat_read(BlockDriverState *bs, int64_t=
sector_num,
int i;
=20
for(i=3D0;i<nb_sectors;i++,sector_num++) {
- if (sector_num >=3D bs->total_sectors)
- return -1;
- if (s->qcow) {
- int n;
+ if (sector_num >=3D bs->total_sectors)
+ return -1;
+ if (s->qcow) {
+ int n;
int ret;
ret =3D bdrv_is_allocated(s->qcow->bs, sector_num,
nb_sectors - i, &n);
@@ -1421,25 +1421,25 @@ static int vvfat_read(BlockDriverState *bs, int64_t=
sector_num,
continue;
}
DLOG(fprintf(stderr, "sector %d not allocated\n", (int)sector_num));
- }
- if(sector_num<s->faked_sectors) {
- if(sector_num<s->first_sectors_number)
- memcpy(buf+i*0x200,&(s->first_sectors[sector_num*0x200]),0x200);
- else if(sector_num-s->first_sectors_number<s->sectors_per_fat)
- memcpy(buf+i*0x200,&(s->fat.pointer[(sector_num-s->first_sectors_number)=
*0x200]),0x200);
- else if(sector_num-s->first_sectors_number-s->sectors_per_fat<s->sect=
ors_per_fat)
- memcpy(buf+i*0x200,&(s->fat.pointer[(sector_num-s->first_sectors_number-=
s->sectors_per_fat)*0x200]),0x200);
- } else {
- uint32_t sector=3Dsector_num-s->faked_sectors,
- sector_offset_in_cluster=3D(sector%s->sectors_per_cluster),
- cluster_num=3Dsector/s->sectors_per_cluster;
- if(cluster_num > s->cluster_count || read_cluster(s, cluster_num) !=
=3D 0) {
- /* LATER TODO: strict: return -1; */
- memset(buf+i*0x200,0,0x200);
- continue;
- }
- memcpy(buf+i*0x200,s->cluster+sector_offset_in_cluster*0x200,0x200);
- }
+ }
+ if(sector_num<s->faked_sectors) {
+ if(sector_num<s->first_sectors_number)
+ memcpy(buf+i*0x200,&(s->first_sectors[sector_num*0x200]),0=
x200);
+ else if(sector_num-s->first_sectors_number<s->sectors_per_fat)
+ memcpy(buf+i*0x200,&(s->fat.pointer[(sector_num-s->first_s=
ectors_number)*0x200]),0x200);
+ else if(sector_num-s->first_sectors_number-s->sectors_per_fat<=
s->sectors_per_fat)
+ memcpy(buf+i*0x200,&(s->fat.pointer[(sector_num-s->first_s=
ectors_number-s->sectors_per_fat)*0x200]),0x200);
+ } else {
+ uint32_t sector=3Dsector_num-s->faked_sectors,
+ sector_offset_in_cluster=3D(sector%s->sectors_per_cluster),
+ cluster_num=3Dsector/s->sectors_per_cluster;
+ if(cluster_num > s->cluster_count || read_cluster(s, cluster_n=
um) !=3D 0) {
+ /* LATER TODO: strict: return -1; */
+ memset(buf+i*0x200,0,0x200);
+ continue;
+ }
+ memcpy(buf+i*0x200,s->cluster+sector_offset_in_cluster*0x200,0=
x200);
+ }
}
return 0;
}
@@ -1497,14 +1497,14 @@ vvfat_co_preadv(BlockDriverState *bs, uint64_t offs=
et, uint64_t bytes,
typedef struct commit_t {
char* path;
union {
- struct { uint32_t cluster; } rename;
- struct { int dir_index; uint32_t modified_offset; } writeout;
- struct { uint32_t first_cluster; } new_file;
- struct { uint32_t cluster; } mkdir;
+ struct { uint32_t cluster; } rename;
+ struct { int dir_index; uint32_t modified_offset; } writeout;
+ struct { uint32_t first_cluster; } new_file;
+ struct { uint32_t cluster; } mkdir;
} param;
/* DELETEs and RMDIRs are handled differently: see handle_deletes() */
enum {
- ACTION_RENAME, ACTION_WRITEOUT, ACTION_NEW_FILE, ACTION_MKDIR
+ ACTION_RENAME, ACTION_WRITEOUT, ACTION_NEW_FILE, ACTION_MKDIR
} action;
} commit_t;
=20
@@ -1513,19 +1513,19 @@ static void clear_commits(BDRVVVFATState* s)
int i;
DLOG(fprintf(stderr, "clear_commits (%d commits)\n", s->commits.next));
for (i =3D 0; i < s->commits.next; i++) {
- commit_t* commit =3D array_get(&(s->commits), i);
- assert(commit->path || commit->action =3D=3D ACTION_WRITEOUT);
- if (commit->action !=3D ACTION_WRITEOUT) {
- assert(commit->path);
+ commit_t* commit =3D array_get(&(s->commits), i);
+ assert(commit->path || commit->action =3D=3D ACTION_WRITEOUT);
+ if (commit->action !=3D ACTION_WRITEOUT) {
+ assert(commit->path);
g_free(commit->path);
- } else
- assert(commit->path =3D=3D NULL);
+ } else
+ assert(commit->path =3D=3D NULL);
}
s->commits.next =3D 0;
}
=20
static void schedule_rename(BDRVVVFATState* s,
- uint32_t cluster, char* new_path)
+ uint32_t cluster, char* new_path)
{
commit_t* commit =3D array_get_next(&(s->commits));
commit->path =3D new_path;
@@ -1534,7 +1534,7 @@ static void schedule_rename(BDRVVVFATState* s,
}
=20
static void schedule_writeout(BDRVVVFATState* s,
- int dir_index, uint32_t modified_offset)
+ int dir_index, uint32_t modified_offset)
{
commit_t* commit =3D array_get_next(&(s->commits));
commit->path =3D NULL;
@@ -1544,7 +1544,7 @@ static void schedule_writeout(BDRVVVFATState* s,
}
=20
static void schedule_new_file(BDRVVVFATState* s,
- char* path, uint32_t first_cluster)
+ char* path, uint32_t first_cluster)
{
commit_t* commit =3D array_get_next(&(s->commits));
commit->path =3D path;
@@ -1579,72 +1579,72 @@ static void lfn_init(long_file_name* lfn)
=20
/* return 0 if parsed successfully, > 0 if no long name, < 0 if error */
static int parse_long_name(long_file_name* lfn,
- const direntry_t* direntry)
+ const direntry_t* direntry)
{
int i, j, offset;
const unsigned char* pointer =3D (const unsigned char*)direntry;
=20
if (!is_long_name(direntry))
- return 1;
+ return 1;
=20
if (pointer[0] & 0x40) {
- lfn->sequence_number =3D pointer[0] & 0x3f;
- lfn->checksum =3D pointer[13];
- lfn->name[0] =3D 0;
- lfn->name[lfn->sequence_number * 13] =3D 0;
+ lfn->sequence_number =3D pointer[0] & 0x3f;
+ lfn->checksum =3D pointer[13];
+ lfn->name[0] =3D 0;
+ lfn->name[lfn->sequence_number * 13] =3D 0;
} else if ((pointer[0] & 0x3f) !=3D --lfn->sequence_number)
- return -1;
+ return -1;
else if (pointer[13] !=3D lfn->checksum)
- return -2;
+ return -2;
else if (pointer[12] || pointer[26] || pointer[27])
- return -3;
+ return -3;
=20
offset =3D 13 * (lfn->sequence_number - 1);
for (i =3D 0, j =3D 1; i < 13; i++, j+=3D2) {
- if (j =3D=3D 11)
- j =3D 14;
- else if (j =3D=3D 26)
- j =3D 28;
+ if (j =3D=3D 11)
+ j =3D 14;
+ else if (j =3D=3D 26)
+ j =3D 28;
=20
- if (pointer[j+1] =3D=3D 0)
- lfn->name[offset + i] =3D pointer[j];
- else if (pointer[j+1] !=3D 0xff || (pointer[0] & 0x40) =3D=3D 0)
- return -4;
- else
- lfn->name[offset + i] =3D 0;
+ if (pointer[j+1] =3D=3D 0)
+ lfn->name[offset + i] =3D pointer[j];
+ else if (pointer[j+1] !=3D 0xff || (pointer[0] & 0x40) =3D=3D 0)
+ return -4;
+ else
+ lfn->name[offset + i] =3D 0;
}
=20
if (pointer[0] & 0x40)
- lfn->len =3D offset + strlen((char*)lfn->name + offset);
+ lfn->len =3D offset + strlen((char*)lfn->name + offset);
=20
return 0;
}
=20
/* returns 0 if successful, >0 if no short_name, and <0 on error */
static int parse_short_name(BDRVVVFATState* s,
- long_file_name* lfn, direntry_t* direntry)
+ long_file_name* lfn, direntry_t* direntry)
{
int i, j;
=20
if (!is_short_name(direntry))
- return 1;
+ return 1;
=20
for (j =3D 7; j >=3D 0 && direntry->name[j] =3D=3D ' '; j--);
for (i =3D 0; i <=3D j; i++) {
- if (direntry->name[i] <=3D ' ' || direntry->name[i] > 0x7f)
- return -1;
- else if (s->downcase_short_names)
- lfn->name[i] =3D qemu_tolower(direntry->name[i]);
- else
- lfn->name[i] =3D direntry->name[i];
+ if (direntry->name[i] <=3D ' ' || direntry->name[i] > 0x7f)
+ return -1;
+ else if (s->downcase_short_names)
+ lfn->name[i] =3D qemu_tolower(direntry->name[i]);
+ else
+ lfn->name[i] =3D direntry->name[i];
}
=20
for (j =3D 2; j >=3D 0 && direntry->name[8 + j] =3D=3D ' '; j--) {
}
if (j >=3D 0) {
- lfn->name[i++] =3D '.';
- lfn->name[i + j + 1] =3D '\0';
- for (;j >=3D 0; j--) {
+ lfn->name[i++] =3D '.';
+ lfn->name[i + j + 1] =3D '\0';
+ for (;j >=3D 0; j--) {
uint8_t c =3D direntry->name[8 + j];
if (c <=3D ' ' || c > 0x7f) {
return -2;
@@ -1653,9 +1653,9 @@ static int parse_short_name(BDRVVVFATState* s,
} else {
lfn->name[i + j] =3D c;
}
- }
+ }
} else
- lfn->name[i + j + 1] =3D '\0';
+ lfn->name[i + j + 1] =3D '\0';
=20
lfn->len =3D strlen((char*)lfn->name);
=20
@@ -1663,13 +1663,13 @@ static int parse_short_name(BDRVVVFATState* s,
}
=20
static inline uint32_t modified_fat_get(BDRVVVFATState* s,
- unsigned int cluster)
+ unsigned int cluster)
{
if (cluster < s->last_cluster_of_root_directory) {
- if (cluster + 1 =3D=3D s->last_cluster_of_root_directory)
- return s->max_fat_value;
- else
- return cluster + 1;
+ if (cluster + 1 =3D=3D s->last_cluster_of_root_directory)
+ return s->max_fat_value;
+ else
+ return cluster + 1;
}
=20
if (s->fat_type=3D=3D32) {
@@ -1713,9 +1713,9 @@ static const char* get_basename(const char* path)
{
char* basename =3D strrchr(path, '/');
if (basename =3D=3D NULL)
- return path;
+ return path;
else
- return basename + 1; /* strip '/' */
+ return basename + 1; /* strip '/' */
}
=20
/*
@@ -1740,7 +1740,7 @@ typedef enum {
* assumed to be *not* deleted (and *only* those).
*/
static uint32_t get_cluster_count_for_direntry(BDRVVVFATState* s,
- direntry_t* direntry, const char* path)
+ direntry_t* direntry, const char* path)
{
/*
* This is a little bit tricky:
@@ -1773,85 +1773,85 @@ static uint32_t get_cluster_count_for_direntry(BDRV=
VVFATState* s,
=20
/* the root directory */
if (cluster_num =3D=3D 0)
- return 0;
+ return 0;
=20
/* write support */
if (s->qcow) {
- basename2 =3D get_basename(path);
+ basename2 =3D get_basename(path);
=20
- mapping =3D find_mapping_for_cluster(s, cluster_num);
+ mapping =3D find_mapping_for_cluster(s, cluster_num);
=20
- if (mapping) {
- const char* basename;
+ if (mapping) {
+ const char* basename;
=20
- assert(mapping->mode & MODE_DELETED);
- mapping->mode &=3D ~MODE_DELETED;
+ assert(mapping->mode & MODE_DELETED);
+ mapping->mode &=3D ~MODE_DELETED;
=20
- basename =3D get_basename(mapping->path);
+ basename =3D get_basename(mapping->path);
=20
- assert(mapping->mode & MODE_NORMAL);
+ assert(mapping->mode & MODE_NORMAL);
=20
- /* rename */
- if (strcmp(basename, basename2))
- schedule_rename(s, cluster_num, g_strdup(path));
- } else if (is_file(direntry))
- /* new file */
- schedule_new_file(s, g_strdup(path), cluster_num);
- else {
+ /* rename */
+ if (strcmp(basename, basename2))
+ schedule_rename(s, cluster_num, g_strdup(path));
+ } else if (is_file(direntry))
+ /* new file */
+ schedule_new_file(s, g_strdup(path), cluster_num);
+ else {
abort();
- return 0;
- }
+ return 0;
+ }
}
=20
while(1) {
- if (s->qcow) {
- if (!copy_it && cluster_was_modified(s, cluster_num)) {
- if (mapping =3D=3D NULL ||
- mapping->begin > cluster_num ||
- mapping->end <=3D cluster_num)
- mapping =3D find_mapping_for_cluster(s, cluster_num);
+ if (s->qcow) {
+ if (!copy_it && cluster_was_modified(s, cluster_num)) {
+ if (mapping =3D=3D NULL ||
+ mapping->begin > cluster_num ||
+ mapping->end <=3D cluster_num)
+ mapping =3D find_mapping_for_cluster(s, cluster_num);
=20
=20
- if (mapping &&
- (mapping->mode & MODE_DIRECTORY) =3D=3D 0) {
+ if (mapping &&
+ (mapping->mode & MODE_DIRECTORY) =3D=3D 0) {
=20
- /* was modified in qcow */
- if (offset !=3D mapping->info.file.offset + s->cluster_size
- * (cluster_num - mapping->begin)) {
- /* offset of this cluster in file chain has changed */
+ /* was modified in qcow */
+ if (offset !=3D mapping->info.file.offset + s->cluster=
_size
+ * (cluster_num - mapping->begin)) {
+ /* offset of this cluster in file chain has change=
d */
abort();
- copy_it =3D 1;
- } else if (offset =3D=3D 0) {
- const char* basename =3D get_basename(mapping->path);
+ copy_it =3D 1;
+ } else if (offset =3D=3D 0) {
+ const char* basename =3D get_basename(mapping->pat=
h);
=20
- if (strcmp(basename, basename2))
- copy_it =3D 1;
- first_mapping_index =3D array_index(&(s->mapping), mapping);
- }
+ if (strcmp(basename, basename2))
+ copy_it =3D 1;
+ first_mapping_index =3D array_index(&(s->mapping),=
mapping);
+ }
=20
- if (mapping->first_mapping_index !=3D first_mapping_index
- && mapping->info.file.offset > 0) {
+ if (mapping->first_mapping_index !=3D first_mapping_in=
dex
+ && mapping->info.file.offset > 0) {
abort();
- copy_it =3D 1;
- }
-
- /* need to write out? */
- if (!was_modified && is_file(direntry)) {
- was_modified =3D 1;
- schedule_writeout(s, mapping->dir_index, offset);
- }
- }
- }
-
- if (copy_it) {
- int i, dummy;
- /*
- * This is horribly inefficient, but that is okay, since
- * it is rarely executed, if at all.
- */
- int64_t offset =3D cluster2sector(s, cluster_num);
-
- vvfat_close_current_file(s);
+ copy_it =3D 1;
+ }
+
+ /* need to write out? */
+ if (!was_modified && is_file(direntry)) {
+ was_modified =3D 1;
+ schedule_writeout(s, mapping->dir_index, offset);
+ }
+ }
+ }
+
+ if (copy_it) {
+ int i, dummy;
+ /*
+ * This is horribly inefficient, but that is okay, since
+ * it is rarely executed, if at all.
+ */
+ int64_t offset =3D cluster2sector(s, cluster_num);
+
+ vvfat_close_current_file(s);
for (i =3D 0; i < s->sectors_per_cluster; i++) {
int res;
=20
@@ -1870,22 +1870,22 @@ static uint32_t get_cluster_count_for_direntry(BDRV=
VVFATState* s,
}
}
}
- }
- }
+ }
+ }
=20
- ret++;
- if (s->used_clusters[cluster_num] & USED_ANY)
- return 0;
- s->used_clusters[cluster_num] =3D USED_FILE;
+ ret++;
+ if (s->used_clusters[cluster_num] & USED_ANY)
+ return 0;
+ s->used_clusters[cluster_num] =3D USED_FILE;
=20
- cluster_num =3D modified_fat_get(s, cluster_num);
+ cluster_num =3D modified_fat_get(s, cluster_num);
=20
- if (fat_eof(s, cluster_num))
- return ret;
- else if (cluster_num < 2 || cluster_num > s->max_fat_value - 16)
- return -1;
+ if (fat_eof(s, cluster_num))
+ return ret;
+ else if (cluster_num < 2 || cluster_num > s->max_fat_value - 16)
+ return -1;
=20
- offset +=3D s->cluster_size;
+ offset +=3D s->cluster_size;
}
}
=20
@@ -1895,7 +1895,7 @@ static uint32_t get_cluster_count_for_direntry(BDRVVV=
FATState* s,
* used by the directory, its subdirectories and their files.
*/
static int check_directory_consistency(BDRVVVFATState *s,
- int cluster_num, const char* path)
+ int cluster_num, const char* path)
{
int ret =3D 0;
unsigned char* cluster =3D g_malloc(s->cluster_size);
@@ -1912,104 +1912,104 @@ static int check_directory_consistency(BDRVVVFATS=
tate *s,
path2[path_len + 1] =3D '\0';
=20
if (mapping) {
- const char* basename =3D get_basename(mapping->path);
- const char* basename2 =3D get_basename(path);
+ const char* basename =3D get_basename(mapping->path);
+ const char* basename2 =3D get_basename(path);
=20
- assert(mapping->mode & MODE_DIRECTORY);
+ assert(mapping->mode & MODE_DIRECTORY);
=20
- assert(mapping->mode & MODE_DELETED);
- mapping->mode &=3D ~MODE_DELETED;
+ assert(mapping->mode & MODE_DELETED);
+ mapping->mode &=3D ~MODE_DELETED;
=20
- if (strcmp(basename, basename2))
- schedule_rename(s, cluster_num, g_strdup(path));
+ if (strcmp(basename, basename2))
+ schedule_rename(s, cluster_num, g_strdup(path));
} else
- /* new directory */
- schedule_mkdir(s, cluster_num, g_strdup(path));
+ /* new directory */
+ schedule_mkdir(s, cluster_num, g_strdup(path));
=20
lfn_init(&lfn);
do {
- int i;
- int subret =3D 0;
+ int i;
+ int subret =3D 0;
=20
- ret++;
+ ret++;
=20
- if (s->used_clusters[cluster_num] & USED_ANY) {
- fprintf(stderr, "cluster %d used more than once\n", (int)cluster_num);
+ if (s->used_clusters[cluster_num] & USED_ANY) {
+ fprintf(stderr, "cluster %d used more than once\n", (int)clust=
er_num);
goto fail;
- }
- s->used_clusters[cluster_num] =3D USED_DIRECTORY;
+ }
+ s->used_clusters[cluster_num] =3D USED_DIRECTORY;
=20
DLOG(fprintf(stderr, "read cluster %d (sector %d)\n", (int)cluster_num, (i=
nt)cluster2sector(s, cluster_num)));
- subret =3D vvfat_read(s->bs, cluster2sector(s, cluster_num), cluster,
- s->sectors_per_cluster);
- if (subret) {
- fprintf(stderr, "Error fetching direntries\n");
- fail:
+ subret =3D vvfat_read(s->bs, cluster2sector(s, cluster_num), clust=
er,
+ s->sectors_per_cluster);
+ if (subret) {
+ fprintf(stderr, "Error fetching direntries\n");
+ fail:
g_free(cluster);
- return 0;
- }
+ return 0;
+ }
=20
- for (i =3D 0; i < 0x10 * s->sectors_per_cluster; i++) {
- int cluster_count =3D 0;
+ for (i =3D 0; i < 0x10 * s->sectors_per_cluster; i++) {
+ int cluster_count =3D 0;
=20
DLOG(fprintf(stderr, "check direntry %d:\n", i); print_direntry(direntries=
+ i));
- if (is_volume_label(direntries + i) || is_dot(direntries + i) ||
- is_free(direntries + i))
- continue;
-
- subret =3D parse_long_name(&lfn, direntries + i);
- if (subret < 0) {
- fprintf(stderr, "Error in long name\n");
- goto fail;
- }
- if (subret =3D=3D 0 || is_free(direntries + i))
- continue;
-
- if (fat_chksum(direntries+i) !=3D lfn.checksum) {
- subret =3D parse_short_name(s, &lfn, direntries + i);
- if (subret < 0) {
- fprintf(stderr, "Error in short name (%d)\n", subret);
- goto fail;
- }
- if (subret > 0 || !strcmp((char*)lfn.name, ".")
- || !strcmp((char*)lfn.name, ".."))
- continue;
- }
- lfn.checksum =3D 0x100; /* cannot use long name twice */
-
- if (path_len + 1 + lfn.len >=3D PATH_MAX) {
- fprintf(stderr, "Name too long: %s/%s\n", path, lfn.name);
- goto fail;
- }
+ if (is_volume_label(direntries + i) || is_dot(direntries + i) =
||
+ is_free(direntries + i))
+ continue;
+
+ subret =3D parse_long_name(&lfn, direntries + i);
+ if (subret < 0) {
+ fprintf(stderr, "Error in long name\n");
+ goto fail;
+ }
+ if (subret =3D=3D 0 || is_free(direntries + i))
+ continue;
+
+ if (fat_chksum(direntries+i) !=3D lfn.checksum) {
+ subret =3D parse_short_name(s, &lfn, direntries + i);
+ if (subret < 0) {
+ fprintf(stderr, "Error in short name (%d)\n", subret);
+ goto fail;
+ }
+ if (subret > 0 || !strcmp((char*)lfn.name, ".")
+ || !strcmp((char*)lfn.name, ".."))
+ continue;
+ }
+ lfn.checksum =3D 0x100; /* cannot use long name twice */
+
+ if (path_len + 1 + lfn.len >=3D PATH_MAX) {
+ fprintf(stderr, "Name too long: %s/%s\n", path, lfn.name);
+ goto fail;
+ }
pstrcpy(path2 + path_len + 1, sizeof(path2) - path_len - 1,
(char*)lfn.name);
=20
- if (is_directory(direntries + i)) {
- if (begin_of_direntry(direntries + i) =3D=3D 0) {
- DLOG(fprintf(stderr, "invalid begin for directory: %s\n", path2); pr=
int_direntry(direntries + i));
- goto fail;
- }
- cluster_count =3D check_directory_consistency(s,
- begin_of_direntry(direntries + i), path2);
- if (cluster_count =3D=3D 0) {
- DLOG(fprintf(stderr, "problem in directory %s:\n", path2); print_dir=
entry(direntries + i));
- goto fail;
- }
- } else if (is_file(direntries + i)) {
- /* check file size with FAT */
- cluster_count =3D get_cluster_count_for_direntry(s, direntries + i, path=
2);
- if (cluster_count !=3D
+ if (is_directory(direntries + i)) {
+ if (begin_of_direntry(direntries + i) =3D=3D 0) {
+ DLOG(fprintf(stderr, "invalid begin for directory: %s\=
n", path2); print_direntry(direntries + i));
+ goto fail;
+ }
+ cluster_count =3D check_directory_consistency(s,
+ begin_of_direntry(direntries + i), path2);
+ if (cluster_count =3D=3D 0) {
+ DLOG(fprintf(stderr, "problem in directory %s:\n", pat=
h2); print_direntry(direntries + i));
+ goto fail;
+ }
+ } else if (is_file(direntries + i)) {
+ /* check file size with FAT */
+ cluster_count =3D get_cluster_count_for_direntry(s, dirent=
ries + i, path2);
+ if (cluster_count !=3D
DIV_ROUND_UP(le32_to_cpu(direntries[i].size), s->cluster_size)=
) {
- DLOG(fprintf(stderr, "Cluster count mismatch\n"));
- goto fail;
- }
- } else
+ DLOG(fprintf(stderr, "Cluster count mismatch\n"));
+ goto fail;
+ }
+ } else
abort(); /* cluster_count =3D 0; */
=20
- ret +=3D cluster_count;
- }
+ ret +=3D cluster_count;
+ }
=20
- cluster_num =3D modified_fat_get(s, cluster_num);
+ cluster_num =3D modified_fat_get(s, cluster_num);
} while(!fat_eof(s, cluster_num));
=20
g_free(cluster);
@@ -2037,81 +2037,81 @@ DLOG(checkpoint());
* - if all is fine, return number of used clusters
*/
if (s->fat2 =3D=3D NULL) {
- int size =3D 0x200 * s->sectors_per_fat;
- s->fat2 =3D g_malloc(size);
- memcpy(s->fat2, s->fat.pointer, size);
+ int size =3D 0x200 * s->sectors_per_fat;
+ s->fat2 =3D g_malloc(size);
+ memcpy(s->fat2, s->fat.pointer, size);
}
check =3D vvfat_read(s->bs,
- s->first_sectors_number, s->fat2, s->sectors_per_fat);
+ s->first_sectors_number, s->fat2, s->sectors_per_fat);
if (check) {
- fprintf(stderr, "Could not copy fat\n");
- return 0;
+ fprintf(stderr, "Could not copy fat\n");
+ return 0;
}
assert (s->used_clusters);
for (i =3D 0; i < sector2cluster(s, s->sector_count); i++)
- s->used_clusters[i] &=3D ~USED_ANY;
+ s->used_clusters[i] &=3D ~USED_ANY;
=20
clear_commits(s);
=20
/* mark every mapped file/directory as deleted.
* (check_directory_consistency() will unmark those still present). */
if (s->qcow)
- for (i =3D 0; i < s->mapping.next; i++) {
- mapping_t* mapping =3D array_get(&(s->mapping), i);
- if (mapping->first_mapping_index < 0)
- mapping->mode |=3D MODE_DELETED;
- }
+ for (i =3D 0; i < s->mapping.next; i++) {
+ mapping_t* mapping =3D array_get(&(s->mapping), i);
+ if (mapping->first_mapping_index < 0)
+ mapping->mode |=3D MODE_DELETED;
+ }
=20
used_clusters_count =3D check_directory_consistency(s, 0, s->path);
if (used_clusters_count <=3D 0) {
- DLOG(fprintf(stderr, "problem in directory\n"));
- return 0;
+ DLOG(fprintf(stderr, "problem in directory\n"));
+ return 0;
}
=20
check =3D s->last_cluster_of_root_directory;
for (i =3D check; i < sector2cluster(s, s->sector_count); i++) {
- if (modified_fat_get(s, i)) {
- if(!s->used_clusters[i]) {
- DLOG(fprintf(stderr, "FAT was modified (%d), but cluster is not used?\n"=
, i));
- return 0;
- }
- check++;
- }
+ if (modified_fat_get(s, i)) {
+ if(!s->used_clusters[i]) {
+ DLOG(fprintf(stderr, "FAT was modified (%d), but cluster i=
s not used?\n", i));
+ return 0;
+ }
+ check++;
+ }
=20
- if (s->used_clusters[i] =3D=3D USED_ALLOCATED) {
- /* allocated, but not used... */
- DLOG(fprintf(stderr, "unused, modified cluster: %d\n", i));
- return 0;
- }
+ if (s->used_clusters[i] =3D=3D USED_ALLOCATED) {
+ /* allocated, but not used... */
+ DLOG(fprintf(stderr, "unused, modified cluster: %d\n", i));
+ return 0;
+ }
}
=20
if (check !=3D used_clusters_count)
- return 0;
+ return 0;
=20
return used_clusters_count;
}
=20
static inline void adjust_mapping_indices(BDRVVVFATState* s,
- int offset, int adjust)
+ int offset, int adjust)
{
int i;
=20
for (i =3D 0; i < s->mapping.next; i++) {
- mapping_t* mapping =3D array_get(&(s->mapping), i);
+ mapping_t* mapping =3D array_get(&(s->mapping), i);
=20
#define ADJUST_MAPPING_INDEX(name) \
- if (mapping->name >=3D offset) \
- mapping->name +=3D adjust
+ if (mapping->name >=3D offset) \
+ mapping->name +=3D adjust
=20
- ADJUST_MAPPING_INDEX(first_mapping_index);
- if (mapping->mode & MODE_DIRECTORY)
- ADJUST_MAPPING_INDEX(info.dir.parent_mapping_index);
+ ADJUST_MAPPING_INDEX(first_mapping_index);
+ if (mapping->mode & MODE_DIRECTORY)
+ ADJUST_MAPPING_INDEX(info.dir.parent_mapping_index);
}
}
=20
/* insert or update mapping */
static mapping_t* insert_mapping(BDRVVVFATState* s,
- uint32_t begin, uint32_t end)
+ uint32_t begin, uint32_t end)
{
/*
* - find mapping where mapping->begin >=3D begin,
@@ -2125,15 +2125,15 @@ static mapping_t* insert_mapping(BDRVVVFATState* s,
mapping_t* first_mapping =3D array_get(&(s->mapping), 0);
=20
if (index < s->mapping.next && (mapping =3D array_get(&(s->mapping), i=
ndex))
- && mapping->begin < begin) {
- mapping->end =3D begin;
- index++;
- mapping =3D array_get(&(s->mapping), index);
+ && mapping->begin < begin) {
+ mapping->end =3D begin;
+ index++;
+ mapping =3D array_get(&(s->mapping), index);
}
if (index >=3D s->mapping.next || mapping->begin > begin) {
- mapping =3D array_insert(&(s->mapping), index, 1);
- mapping->path =3D NULL;
- adjust_mapping_indices(s, index, +1);
+ mapping =3D array_insert(&(s->mapping), index, 1);
+ mapping->path =3D NULL;
+ adjust_mapping_indices(s, index, +1);
}
=20
mapping->begin =3D begin;
@@ -2145,8 +2145,8 @@ assert(index + 1 >=3D s->mapping.next ||
next_mapping->begin >=3D end)));
=20
if (s->current_mapping && first_mapping !=3D (mapping_t*)s->mapping.po=
inter)
- s->current_mapping =3D array_get(&(s->mapping),
- s->current_mapping - first_mapping);
+ s->current_mapping =3D array_get(&(s->mapping),
+ s->current_mapping - first_mapping);
=20
return mapping;
}
@@ -2168,8 +2168,8 @@ static int remove_mapping(BDRVVVFATState* s, int mapp=
ing_index)
adjust_mapping_indices(s, mapping_index, -1);
=20
if (s->current_mapping && first_mapping !=3D (mapping_t*)s->mapping.po=
inter)
- s->current_mapping =3D array_get(&(s->mapping),
- s->current_mapping - first_mapping);
+ s->current_mapping =3D array_get(&(s->mapping),
+ s->current_mapping - first_mapping);
=20
return 0;
}
@@ -2178,17 +2178,17 @@ static void adjust_dirindices(BDRVVVFATState* s, in=
t offset, int adjust)
{
int i;
for (i =3D 0; i < s->mapping.next; i++) {
- mapping_t* mapping =3D array_get(&(s->mapping), i);
- if (mapping->dir_index >=3D offset)
- mapping->dir_index +=3D adjust;
- if ((mapping->mode & MODE_DIRECTORY) &&
- mapping->info.dir.first_dir_index >=3D offset)
- mapping->info.dir.first_dir_index +=3D adjust;
+ mapping_t* mapping =3D array_get(&(s->mapping), i);
+ if (mapping->dir_index >=3D offset)
+ mapping->dir_index +=3D adjust;
+ if ((mapping->mode & MODE_DIRECTORY) &&
+ mapping->info.dir.first_dir_index >=3D offset)
+ mapping->info.dir.first_dir_index +=3D adjust;
}
}
=20
static direntry_t* insert_direntries(BDRVVVFATState* s,
- int dir_index, int count)
+ int dir_index, int count)
{
/*
* make room in s->directory,
@@ -2196,7 +2196,7 @@ static direntry_t* insert_direntries(BDRVVVFATState* =
s,
*/
direntry_t* result =3D array_insert(&(s->directory), dir_index, count);
if (result =3D=3D NULL)
- return NULL;
+ return NULL;
adjust_dirindices(s, dir_index, count);
return result;
}
@@ -2205,7 +2205,7 @@ static int remove_direntries(BDRVVVFATState* s, int d=
ir_index, int count)
{
int ret =3D array_remove_slice(&(s->directory), dir_index, count);
if (ret)
- return ret;
+ return ret;
adjust_dirindices(s, dir_index, -count);
return 0;
}
@@ -2217,7 +2217,7 @@ static int remove_direntries(BDRVVVFATState* s, int d=
ir_index, int count)
* adjusted)
*/
static int commit_mappings(BDRVVVFATState* s,
- uint32_t first_cluster, int dir_index)
+ uint32_t first_cluster, int dir_index)
{
mapping_t* mapping =3D find_mapping_for_cluster(s, first_cluster);
direntry_t* direntry =3D array_get(&(s->directory), dir_index);
@@ -2230,71 +2230,71 @@ static int commit_mappings(BDRVVVFATState* s,
mapping->first_mapping_index =3D -1;
mapping->dir_index =3D dir_index;
mapping->mode =3D (dir_index <=3D 0 || is_directory(direntry)) ?
- MODE_DIRECTORY : MODE_NORMAL;
+ MODE_DIRECTORY : MODE_NORMAL;
=20
while (!fat_eof(s, cluster)) {
- uint32_t c, c1;
-
- for (c =3D cluster, c1 =3D modified_fat_get(s, c); c + 1 =3D=3D c1;
- c =3D c1, c1 =3D modified_fat_get(s, c1));
-
- c++;
- if (c > mapping->end) {
- int index =3D array_index(&(s->mapping), mapping);
- int i, max_i =3D s->mapping.next - index;
- for (i =3D 1; i < max_i && mapping[i].begin < c; i++);
- while (--i > 0)
- remove_mapping(s, index + 1);
- }
- assert(mapping =3D=3D array_get(&(s->mapping), s->mapping.next - 1)
- || mapping[1].begin >=3D c);
- mapping->end =3D c;
-
- if (!fat_eof(s, c1)) {
- int i =3D find_mapping_for_cluster_aux(s, c1, 0, s->mapping.next);
- mapping_t* next_mapping =3D i >=3D s->mapping.next ? NULL :
- array_get(&(s->mapping), i);
-
- if (next_mapping =3D=3D NULL || next_mapping->begin > c1) {
- int i1 =3D array_index(&(s->mapping), mapping);
-
- next_mapping =3D insert_mapping(s, c1, c1+1);
-
- if (c1 < c)
- i1++;
- mapping =3D array_get(&(s->mapping), i1);
- }
-
- next_mapping->dir_index =3D mapping->dir_index;
- next_mapping->first_mapping_index =3D
- mapping->first_mapping_index < 0 ?
- array_index(&(s->mapping), mapping) :
- mapping->first_mapping_index;
- next_mapping->path =3D mapping->path;
- next_mapping->mode =3D mapping->mode;
- next_mapping->read_only =3D mapping->read_only;
- if (mapping->mode & MODE_DIRECTORY) {
- next_mapping->info.dir.parent_mapping_index =3D
- mapping->info.dir.parent_mapping_index;
- next_mapping->info.dir.first_dir_index =3D
- mapping->info.dir.first_dir_index +
- 0x10 * s->sectors_per_cluster *
- (mapping->end - mapping->begin);
- } else
- next_mapping->info.file.offset =3D mapping->info.file.offset +
- mapping->end - mapping->begin;
-
- mapping =3D next_mapping;
- }
-
- cluster =3D c1;
+ uint32_t c, c1;
+
+ for (c =3D cluster, c1 =3D modified_fat_get(s, c); c + 1 =3D=3D c1;
+ c =3D c1, c1 =3D modified_fat_get(s, c1));
+
+ c++;
+ if (c > mapping->end) {
+ int index =3D array_index(&(s->mapping), mapping);
+ int i, max_i =3D s->mapping.next - index;
+ for (i =3D 1; i < max_i && mapping[i].begin < c; i++);
+ while (--i > 0)
+ remove_mapping(s, index + 1);
+ }
+ assert(mapping =3D=3D array_get(&(s->mapping), s->mapping.next - 1)
+ || mapping[1].begin >=3D c);
+ mapping->end =3D c;
+
+ if (!fat_eof(s, c1)) {
+ int i =3D find_mapping_for_cluster_aux(s, c1, 0, s->mapping.ne=
xt);
+ mapping_t* next_mapping =3D i >=3D s->mapping.next ? NULL :
+ array_get(&(s->mapping), i);
+
+ if (next_mapping =3D=3D NULL || next_mapping->begin > c1) {
+ int i1 =3D array_index(&(s->mapping), mapping);
+
+ next_mapping =3D insert_mapping(s, c1, c1+1);
+
+ if (c1 < c)
+ i1++;
+ mapping =3D array_get(&(s->mapping), i1);
+ }
+
+ next_mapping->dir_index =3D mapping->dir_index;
+ next_mapping->first_mapping_index =3D
+ mapping->first_mapping_index < 0 ?
+ array_index(&(s->mapping), mapping) :
+ mapping->first_mapping_index;
+ next_mapping->path =3D mapping->path;
+ next_mapping->mode =3D mapping->mode;
+ next_mapping->read_only =3D mapping->read_only;
+ if (mapping->mode & MODE_DIRECTORY) {
+ next_mapping->info.dir.parent_mapping_index =3D
+ mapping->info.dir.parent_mapping_index;
+ next_mapping->info.dir.first_dir_index =3D
+ mapping->info.dir.first_dir_index +
+ 0x10 * s->sectors_per_cluster *
+ (mapping->end - mapping->begin);
+ } else
+ next_mapping->info.file.offset =3D mapping->info.file.offs=
et +
+ mapping->end - mapping->begin;
+
+ mapping =3D next_mapping;
+ }
+
+ cluster =3D c1;
}
=20
return 0;
}
=20
static int commit_direntries(BDRVVVFATState* s,
- int dir_index, int parent_mapping_index)
+ int dir_index, int parent_mapping_index)
{
direntry_t* direntry =3D array_get(&(s->directory), dir_index);
uint32_t first_cluster =3D dir_index =3D=3D 0 ? 0 : begin_of_direntry(=
direntry);
@@ -2319,58 +2319,58 @@ DLOG(fprintf(stderr, "commit_direntries for %s, par=
ent_mapping_index %d\n", mapp
mapping->info.dir.parent_mapping_index =3D parent_mapping_index;
=20
if (first_cluster =3D=3D 0) {
- old_cluster_count =3D new_cluster_count =3D
- s->last_cluster_of_root_directory;
+ old_cluster_count =3D new_cluster_count =3D
+ s->last_cluster_of_root_directory;
} else {
- for (old_cluster_count =3D 0, c =3D first_cluster; !fat_eof(s, c);
- c =3D fat_get(s, c))
- old_cluster_count++;
+ for (old_cluster_count =3D 0, c =3D first_cluster; !fat_eof(s, c);
+ c =3D fat_get(s, c))
+ old_cluster_count++;
=20
- for (new_cluster_count =3D 0, c =3D first_cluster; !fat_eof(s, c);
- c =3D modified_fat_get(s, c))
- new_cluster_count++;
+ for (new_cluster_count =3D 0, c =3D first_cluster; !fat_eof(s, c);
+ c =3D modified_fat_get(s, c))
+ new_cluster_count++;
}
=20
if (new_cluster_count > old_cluster_count) {
- if (insert_direntries(s,
- current_dir_index + factor * old_cluster_count,
- factor * (new_cluster_count - old_cluster_count)) =3D=3D NULL)
- return -1;
+ if (insert_direntries(s,
+ current_dir_index + factor * old_cluster_count,
+ factor * (new_cluster_count - old_cluster_count)) =3D=3D N=
ULL)
+ return -1;
} else if (new_cluster_count < old_cluster_count)
- remove_direntries(s,
- current_dir_index + factor * new_cluster_count,
- factor * (old_cluster_count - new_cluster_count));
+ remove_direntries(s,
+ current_dir_index + factor * new_cluster_count,
+ factor * (old_cluster_count - new_cluster_count));
=20
for (c =3D first_cluster; !fat_eof(s, c); c =3D modified_fat_get(s, c)=
) {
direntry_t *first_direntry;
- void* direntry =3D array_get(&(s->directory), current_dir_index);
- int ret =3D vvfat_read(s->bs, cluster2sector(s, c), direntry,
- s->sectors_per_cluster);
- if (ret)
- return ret;
+ void* direntry =3D array_get(&(s->directory), current_dir_index);
+ int ret =3D vvfat_read(s->bs, cluster2sector(s, c), direntry,
+ s->sectors_per_cluster);
+ if (ret)
+ return ret;
=20
/* The first directory entry on the filesystem is the volume name =
*/
first_direntry =3D (direntry_t*) s->directory.pointer;
assert(!memcmp(first_direntry->name, s->volume_label, 11));
=20
- current_dir_index +=3D factor;
+ current_dir_index +=3D factor;
}
=20
ret =3D commit_mappings(s, first_cluster, dir_index);
if (ret)
- return ret;
+ return ret;
=20
/* recurse */
for (i =3D 0; i < factor * new_cluster_count; i++) {
- direntry =3D array_get(&(s->directory), first_dir_index + i);
- if (is_directory(direntry) && !is_dot(direntry)) {
- mapping =3D find_mapping_for_cluster(s, first_cluster);
- assert(mapping->mode & MODE_DIRECTORY);
- ret =3D commit_direntries(s, first_dir_index + i,
- array_index(&(s->mapping), mapping));
- if (ret)
- return ret;
- }
+ direntry =3D array_get(&(s->directory), first_dir_index + i);
+ if (is_directory(direntry) && !is_dot(direntry)) {
+ mapping =3D find_mapping_for_cluster(s, first_cluster);
+ assert(mapping->mode & MODE_DIRECTORY);
+ ret =3D commit_direntries(s, first_dir_index + i,
+ array_index(&(s->mapping), mapping));
+ if (ret)
+ return ret;
+ }
}
=20
return 0;
@@ -2379,7 +2379,7 @@ DLOG(fprintf(stderr, "commit_direntries for %s, paren=
t_mapping_index %d\n", mapp
/* commit one file (adjust contents, adjust mapping),
return first_mapping_index */
static int commit_one_file(BDRVVVFATState* s,
- int dir_index, uint32_t offset)
+ int dir_index, uint32_t offset)
{
direntry_t* direntry =3D array_get(&(s->directory), dir_index);
uint32_t c =3D begin_of_direntry(direntry);
@@ -2394,14 +2394,14 @@ static int commit_one_file(BDRVVVFATState* s,
assert((offset % s->cluster_size) =3D=3D 0);
=20
for (i =3D s->cluster_size; i < offset; i +=3D s->cluster_size)
- c =3D modified_fat_get(s, c);
+ c =3D modified_fat_get(s, c);
=20
fd =3D qemu_open(mapping->path, O_RDWR | O_CREAT | O_BINARY, 0666);
if (fd < 0) {
- fprintf(stderr, "Could not open %s... (%s, %d)\n", mapping->path,
- strerror(errno), errno);
+ fprintf(stderr, "Could not open %s... (%s, %d)\n", mapping->path,
+ strerror(errno), errno);
g_free(cluster);
- return fd;
+ return fd;
}
if (offset > 0) {
if (lseek(fd, offset, SEEK_SET) !=3D offset) {
@@ -2412,18 +2412,18 @@ static int commit_one_file(BDRVVVFATState* s,
}
=20
while (offset < size) {
- uint32_t c1;
- int rest_size =3D (size - offset > s->cluster_size ?
- s->cluster_size : size - offset);
- int ret;
+ uint32_t c1;
+ int rest_size =3D (size - offset > s->cluster_size ?
+ s->cluster_size : size - offset);
+ int ret;
=20
- c1 =3D modified_fat_get(s, c);
+ c1 =3D modified_fat_get(s, c);
=20
- assert((size - offset =3D=3D 0 && fat_eof(s, c)) ||
- (size > offset && c >=3D2 && !fat_eof(s, c)));
+ assert((size - offset =3D=3D 0 && fat_eof(s, c)) ||
+ (size > offset && c >=3D2 && !fat_eof(s, c)));
=20
- ret =3D vvfat_read(s->bs, cluster2sector(s, c),
- (uint8_t*)cluster, (rest_size + 0x1ff) / 0x200);
+ ret =3D vvfat_read(s->bs, cluster2sector(s, c),
+ (uint8_t*)cluster, (rest_size + 0x1ff) / 0x200);
=20
if (ret < 0) {
qemu_close(fd);
@@ -2437,8 +2437,8 @@ static int commit_one_file(BDRVVVFATState* s,
return -2;
}
=20
- offset +=3D rest_size;
- c =3D c1;
+ offset +=3D rest_size;
+ c =3D c1;
}
=20
if (ftruncate(fd, size)) {
@@ -2459,18 +2459,18 @@ static void check1(BDRVVVFATState* s)
{
int i;
for (i =3D 0; i < s->mapping.next; i++) {
- mapping_t* mapping =3D array_get(&(s->mapping), i);
- if (mapping->mode & MODE_DELETED) {
- fprintf(stderr, "deleted\n");
- continue;
- }
- assert(mapping->dir_index < s->directory.next);
- direntry_t* direntry =3D array_get(&(s->directory), mapping->dir_index);
- assert(mapping->begin =3D=3D begin_of_direntry(direntry) || mapping->firs=
t_mapping_index >=3D 0);
- if (mapping->mode & MODE_DIRECTORY) {
- assert(mapping->info.dir.first_dir_index + 0x10 * s->sectors_per_clus=
ter * (mapping->end - mapping->begin) <=3D s->directory.next);
- assert((mapping->info.dir.first_dir_index % (0x10 * s->sectors_per_cl=
uster)) =3D=3D 0);
- }
+ mapping_t* mapping =3D array_get(&(s->mapping), i);
+ if (mapping->mode & MODE_DELETED) {
+ fprintf(stderr, "deleted\n");
+ continue;
+ }
+ assert(mapping->dir_index < s->directory.next);
+ direntry_t* direntry =3D array_get(&(s->directory), mapping->dir_i=
ndex);
+ assert(mapping->begin =3D=3D begin_of_direntry(direntry) || mappin=
g->first_mapping_index >=3D 0);
+ if (mapping->mode & MODE_DIRECTORY) {
+ assert(mapping->info.dir.first_dir_index + 0x10 * s->sectors_p=
er_cluster * (mapping->end - mapping->begin) <=3D s->directory.next);
+ assert((mapping->info.dir.first_dir_index % (0x10 * s->sectors=
_per_cluster)) =3D=3D 0);
+ }
}
}
=20
@@ -2481,43 +2481,43 @@ static void check2(BDRVVVFATState* s)
int first_mapping =3D -1;
=20
for (i =3D 0; i < s->directory.next; i++) {
- direntry_t* direntry =3D array_get(&(s->directory), i);
-
- if (is_short_name(direntry) && begin_of_direntry(direntry)) {
- mapping_t* mapping =3D find_mapping_for_cluster(s, begin_of_direntry(=
direntry));
- assert(mapping);
- assert(mapping->dir_index =3D=3D i || is_dot(direntry));
- assert(mapping->begin =3D=3D begin_of_direntry(direntry) || is_dot(di=
rentry));
- }
-
- if ((i % (0x10 * s->sectors_per_cluster)) =3D=3D 0) {
- /* cluster start */
- int j, count =3D 0;
-
- for (j =3D 0; j < s->mapping.next; j++) {
- mapping_t* mapping =3D array_get(&(s->mapping), j);
- if (mapping->mode & MODE_DELETED)
- continue;
- if (mapping->mode & MODE_DIRECTORY) {
- if (mapping->info.dir.first_dir_index <=3D i && mapping->info.dir.fi=
rst_dir_index + 0x10 * s->sectors_per_cluster > i) {
- assert(++count =3D=3D 1);
- if (mapping->first_mapping_index =3D=3D -1)
- first_mapping =3D array_index(&(s->mapping), mapping);
- else
- assert(first_mapping =3D=3D mapping->first_mapping_index);
- if (mapping->info.dir.parent_mapping_index < 0)
- assert(j =3D=3D 0);
- else {
- mapping_t* parent =3D array_get(&(s->mapping), mapping->info.dir.pa=
rent_mapping_index);
- assert(parent->mode & MODE_DIRECTORY);
- assert(parent->info.dir.first_dir_index < mapping->info.dir.first_d=
ir_index);
- }
- }
- }
- }
- if (count =3D=3D 0)
- first_mapping =3D -1;
- }
+ direntry_t* direntry =3D array_get(&(s->directory), i);
+
+ if (is_short_name(direntry) && begin_of_direntry(direntry)) {
+ mapping_t* mapping =3D find_mapping_for_cluster(s, begin_of_di=
rentry(direntry));
+ assert(mapping);
+ assert(mapping->dir_index =3D=3D i || is_dot(direntry));
+ assert(mapping->begin =3D=3D begin_of_direntry(direntry) || is=
_dot(direntry));
+ }
+
+ if ((i % (0x10 * s->sectors_per_cluster)) =3D=3D 0) {
+ /* cluster start */
+ int j, count =3D 0;
+
+ for (j =3D 0; j < s->mapping.next; j++) {
+ mapping_t* mapping =3D array_get(&(s->mapping), j);
+ if (mapping->mode & MODE_DELETED)
+ continue;
+ if (mapping->mode & MODE_DIRECTORY) {
+ if (mapping->info.dir.first_dir_index <=3D i && mappin=
g->info.dir.first_dir_index + 0x10 * s->sectors_per_cluster > i) {
+ assert(++count =3D=3D 1);
+ if (mapping->first_mapping_index =3D=3D -1)
+ first_mapping =3D array_index(&(s->mapping), m=
apping);
+ else
+ assert(first_mapping =3D=3D mapping->first_map=
ping_index);
+ if (mapping->info.dir.parent_mapping_index < 0)
+ assert(j =3D=3D 0);
+ else {
+ mapping_t* parent =3D array_get(&(s->mapping),=
mapping->info.dir.parent_mapping_index);
+ assert(parent->mode & MODE_DIRECTORY);
+ assert(parent->info.dir.first_dir_index < mapp=
ing->info.dir.first_dir_index);
+ }
+ }
+ }
+ }
+ if (count =3D=3D 0)
+ first_mapping =3D -1;
+ }
}
}
#endif
@@ -2529,63 +2529,63 @@ static int handle_renames_and_mkdirs(BDRVVVFATState=
* s)
#ifdef DEBUG
fprintf(stderr, "handle_renames\n");
for (i =3D 0; i < s->commits.next; i++) {
- commit_t* commit =3D array_get(&(s->commits), i);
- fprintf(stderr, "%d, %s (%d, %d)\n", i, commit->path ? commit->path : "(n=
ull)", commit->param.rename.cluster, commit->action);
+ commit_t* commit =3D array_get(&(s->commits), i);
+ fprintf(stderr, "%d, %s (%d, %d)\n", i, commit->path ? commit->pat=
h : "(null)", commit->param.rename.cluster, commit->action);
}
#endif
=20
for (i =3D 0; i < s->commits.next;) {
- commit_t* commit =3D array_get(&(s->commits), i);
- if (commit->action =3D=3D ACTION_RENAME) {
- mapping_t* mapping =3D find_mapping_for_cluster(s,
- commit->param.rename.cluster);
- char* old_path =3D mapping->path;
-
- assert(commit->path);
- mapping->path =3D commit->path;
- if (rename(old_path, mapping->path))
- return -2;
-
- if (mapping->mode & MODE_DIRECTORY) {
- int l1 =3D strlen(mapping->path);
- int l2 =3D strlen(old_path);
- int diff =3D l1 - l2;
- direntry_t* direntry =3D array_get(&(s->directory),
- mapping->info.dir.first_dir_index);
- uint32_t c =3D mapping->begin;
- int i =3D 0;
-
- /* recurse */
- while (!fat_eof(s, c)) {
- do {
- direntry_t* d =3D direntry + i;
-
- if (is_file(d) || (is_directory(d) && !is_dot(d))) {
- mapping_t* m =3D find_mapping_for_cluster(s,
- begin_of_direntry(d));
- int l =3D strlen(m->path);
- char* new_path =3D g_malloc(l + diff + 1);
-
- assert(!strncmp(m->path, mapping->path, l2));
+ commit_t* commit =3D array_get(&(s->commits), i);
+ if (commit->action =3D=3D ACTION_RENAME) {
+ mapping_t* mapping =3D find_mapping_for_cluster(s,
+ commit->param.rename.cluster);
+ char* old_path =3D mapping->path;
+
+ assert(commit->path);
+ mapping->path =3D commit->path;
+ if (rename(old_path, mapping->path))
+ return -2;
+
+ if (mapping->mode & MODE_DIRECTORY) {
+ int l1 =3D strlen(mapping->path);
+ int l2 =3D strlen(old_path);
+ int diff =3D l1 - l2;
+ direntry_t* direntry =3D array_get(&(s->directory),
+ mapping->info.dir.first_dir_index);
+ uint32_t c =3D mapping->begin;
+ int i =3D 0;
+
+ /* recurse */
+ while (!fat_eof(s, c)) {
+ do {
+ direntry_t* d =3D direntry + i;
+
+ if (is_file(d) || (is_directory(d) && !is_dot(d)))=
{
+ mapping_t* m =3D find_mapping_for_cluster(s,
+ begin_of_direntry(d));
+ int l =3D strlen(m->path);
+ char* new_path =3D g_malloc(l + diff + 1);
+
+ assert(!strncmp(m->path, mapping->path, l2));
=20
pstrcpy(new_path, l + diff + 1, mapping->path);
pstrcpy(new_path + l1, l + diff + 1 - l1,
m->path + l2);
=20
- schedule_rename(s, m->begin, new_path);
- }
- i++;
- } while((i % (0x10 * s->sectors_per_cluster)) !=3D 0);
- c =3D fat_get(s, c);
- }
- }
+ schedule_rename(s, m->begin, new_path);
+ }
+ i++;
+ } while((i % (0x10 * s->sectors_per_cluster)) !=3D 0);
+ c =3D fat_get(s, c);
+ }
+ }
=20
g_free(old_path);
- array_remove(&(s->commits), i);
- continue;
- } else if (commit->action =3D=3D ACTION_MKDIR) {
- mapping_t* mapping;
- int j, parent_path_len;
+ array_remove(&(s->commits), i);
+ continue;
+ } else if (commit->action =3D=3D ACTION_MKDIR) {
+ mapping_t* mapping;
+ int j, parent_path_len;
=20
#ifdef __MINGW32__
if (mkdir(commit->path))
@@ -2595,37 +2595,37 @@ static int handle_renames_and_mkdirs(BDRVVVFATState=
* s)
return -5;
#endif
=20
- mapping =3D insert_mapping(s, commit->param.mkdir.cluster,
- commit->param.mkdir.cluster + 1);
- if (mapping =3D=3D NULL)
- return -6;
-
- mapping->mode =3D MODE_DIRECTORY;
- mapping->read_only =3D 0;
- mapping->path =3D commit->path;
- j =3D s->directory.next;
- assert(j);
- insert_direntries(s, s->directory.next,
- 0x10 * s->sectors_per_cluster);
- mapping->info.dir.first_dir_index =3D j;
-
- parent_path_len =3D strlen(commit->path)
- - strlen(get_basename(commit->path)) - 1;
- for (j =3D 0; j < s->mapping.next; j++) {
- mapping_t* m =3D array_get(&(s->mapping), j);
- if (m->first_mapping_index < 0 && m !=3D mapping &&
- !strncmp(m->path, mapping->path, parent_path_len) &&
- strlen(m->path) =3D=3D parent_path_len)
- break;
- }
- assert(j < s->mapping.next);
- mapping->info.dir.parent_mapping_index =3D j;
-
- array_remove(&(s->commits), i);
- continue;
- }
-
- i++;
+ mapping =3D insert_mapping(s, commit->param.mkdir.cluster,
+ commit->param.mkdir.cluster + 1);
+ if (mapping =3D=3D NULL)
+ return -6;
+
+ mapping->mode =3D MODE_DIRECTORY;
+ mapping->read_only =3D 0;
+ mapping->path =3D commit->path;
+ j =3D s->directory.next;
+ assert(j);
+ insert_direntries(s, s->directory.next,
+ 0x10 * s->sectors_per_cluster);
+ mapping->info.dir.first_dir_index =3D j;
+
+ parent_path_len =3D strlen(commit->path)
+ - strlen(get_basename(commit->path)) - 1;
+ for (j =3D 0; j < s->mapping.next; j++) {
+ mapping_t* m =3D array_get(&(s->mapping), j);
+ if (m->first_mapping_index < 0 && m !=3D mapping &&
+ !strncmp(m->path, mapping->path, parent_path_len) =
&&
+ strlen(m->path) =3D=3D parent_path_len)
+ break;
+ }
+ assert(j < s->mapping.next);
+ mapping->info.dir.parent_mapping_index =3D j;
+
+ array_remove(&(s->commits), i);
+ continue;
+ }
+
+ i++;
}
return 0;
}
@@ -2640,75 +2640,75 @@ static int handle_commits(BDRVVVFATState* s)
vvfat_close_current_file(s);
=20
for (i =3D 0; !fail && i < s->commits.next; i++) {
- commit_t* commit =3D array_get(&(s->commits), i);
- switch(commit->action) {
- case ACTION_RENAME: case ACTION_MKDIR:
+ commit_t* commit =3D array_get(&(s->commits), i);
+ switch(commit->action) {
+ case ACTION_RENAME: case ACTION_MKDIR:
abort();
- fail =3D -2;
- break;
- case ACTION_WRITEOUT: {
+ fail =3D -2;
+ break;
+ case ACTION_WRITEOUT: {
#ifndef NDEBUG
/* these variables are only used by assert() below */
- direntry_t* entry =3D array_get(&(s->directory),
- commit->param.writeout.dir_index);
- uint32_t begin =3D begin_of_direntry(entry);
- mapping_t* mapping =3D find_mapping_for_cluster(s, begin);
+ direntry_t* entry =3D array_get(&(s->directory),
+ commit->param.writeout.dir_index);
+ uint32_t begin =3D begin_of_direntry(entry);
+ mapping_t* mapping =3D find_mapping_for_cluster(s, begin);
#endif
=20
- assert(mapping);
- assert(mapping->begin =3D=3D begin);
- assert(commit->path =3D=3D NULL);
-
- if (commit_one_file(s, commit->param.writeout.dir_index,
- commit->param.writeout.modified_offset))
- fail =3D -3;
-
- break;
- }
- case ACTION_NEW_FILE: {
- int begin =3D commit->param.new_file.first_cluster;
- mapping_t* mapping =3D find_mapping_for_cluster(s, begin);
- direntry_t* entry;
- int i;
-
- /* find direntry */
- for (i =3D 0; i < s->directory.next; i++) {
- entry =3D array_get(&(s->directory), i);
- if (is_file(entry) && begin_of_direntry(entry) =3D=3D begin)
- break;
- }
-
- if (i >=3D s->directory.next) {
- fail =3D -6;
- continue;
- }
-
- /* make sure there exists an initial mapping */
- if (mapping && mapping->begin !=3D begin) {
- mapping->end =3D begin;
- mapping =3D NULL;
- }
- if (mapping =3D=3D NULL) {
- mapping =3D insert_mapping(s, begin, begin+1);
- }
- /* most members will be fixed in commit_mappings() */
- assert(commit->path);
- mapping->path =3D commit->path;
- mapping->read_only =3D 0;
- mapping->mode =3D MODE_NORMAL;
- mapping->info.file.offset =3D 0;
-
- if (commit_one_file(s, i, 0))
- fail =3D -7;
-
- break;
- }
- default:
+ assert(mapping);
+ assert(mapping->begin =3D=3D begin);
+ assert(commit->path =3D=3D NULL);
+
+ if (commit_one_file(s, commit->param.writeout.dir_index,
+ commit->param.writeout.modified_offset))
+ fail =3D -3;
+
+ break;
+ }
+ case ACTION_NEW_FILE: {
+ int begin =3D commit->param.new_file.first_cluster;
+ mapping_t* mapping =3D find_mapping_for_cluster(s, begin);
+ direntry_t* entry;
+ int i;
+
+ /* find direntry */
+ for (i =3D 0; i < s->directory.next; i++) {
+ entry =3D array_get(&(s->directory), i);
+ if (is_file(entry) && begin_of_direntry(entry) =3D=3D begi=
n)
+ break;
+ }
+
+ if (i >=3D s->directory.next) {
+ fail =3D -6;
+ continue;
+ }
+
+ /* make sure there exists an initial mapping */
+ if (mapping && mapping->begin !=3D begin) {
+ mapping->end =3D begin;
+ mapping =3D NULL;
+ }
+ if (mapping =3D=3D NULL) {
+ mapping =3D insert_mapping(s, begin, begin+1);
+ }
+ /* most members will be fixed in commit_mappings() */
+ assert(commit->path);
+ mapping->path =3D commit->path;
+ mapping->read_only =3D 0;
+ mapping->mode =3D MODE_NORMAL;
+ mapping->info.file.offset =3D 0;
+
+ if (commit_one_file(s, i, 0))
+ fail =3D -7;
+
+ break;
+ }
+ default:
abort();
- }
+ }
}
if (i > 0 && array_remove_slice(&(s->commits), 0, i))
- return -1;
+ return -1;
return fail;
}
=20
@@ -2719,53 +2719,53 @@ static int handle_deletes(BDRVVVFATState* s)
/* delete files corresponding to mappings marked as deleted */
/* handle DELETEs and unused mappings (modified_fat_get(s, mapping->be=
gin) =3D=3D 0) */
while (deferred && deleted) {
- deferred =3D 0;
- deleted =3D 0;
-
- for (i =3D 1; i < s->mapping.next; i++) {
- mapping_t* mapping =3D array_get(&(s->mapping), i);
- if (mapping->mode & MODE_DELETED) {
- direntry_t* entry =3D array_get(&(s->directory),
- mapping->dir_index);
-
- if (is_free(entry)) {
- /* remove file/directory */
- if (mapping->mode & MODE_DIRECTORY) {
- int j, next_dir_index =3D s->directory.next,
- first_dir_index =3D mapping->info.dir.first_dir_index;
-
- if (rmdir(mapping->path) < 0) {
- if (errno =3D=3D ENOTEMPTY) {
- deferred++;
- continue;
- } else
- return -5;
- }
-
- for (j =3D 1; j < s->mapping.next; j++) {
- mapping_t* m =3D array_get(&(s->mapping), j);
- if (m->mode & MODE_DIRECTORY &&
- m->info.dir.first_dir_index >
- first_dir_index &&
- m->info.dir.first_dir_index <
- next_dir_index)
- next_dir_index =3D
- m->info.dir.first_dir_index;
- }
- remove_direntries(s, first_dir_index,
- next_dir_index - first_dir_index);
-
- deleted++;
- }
- } else {
- if (unlink(mapping->path))
- return -4;
- deleted++;
- }
- DLOG(fprintf(stderr, "DELETE (%d)\n", i); print_mapping(mapping); print_=
direntry(entry));
- remove_mapping(s, i);
- }
- }
+ deferred =3D 0;
+ deleted =3D 0;
+
+ for (i =3D 1; i < s->mapping.next; i++) {
+ mapping_t* mapping =3D array_get(&(s->mapping), i);
+ if (mapping->mode & MODE_DELETED) {
+ direntry_t* entry =3D array_get(&(s->directory),
+ mapping->dir_index);
+
+ if (is_free(entry)) {
+ /* remove file/directory */
+ if (mapping->mode & MODE_DIRECTORY) {
+ int j, next_dir_index =3D s->directory.next,
+ first_dir_index =3D mapping->info.dir.first_dir_in=
dex;
+
+ if (rmdir(mapping->path) < 0) {
+ if (errno =3D=3D ENOTEMPTY) {
+ deferred++;
+ continue;
+ } else
+ return -5;
+ }
+
+ for (j =3D 1; j < s->mapping.next; j++) {
+ mapping_t* m =3D array_get(&(s->mapping), j);
+ if (m->mode & MODE_DIRECTORY &&
+ m->info.dir.first_dir_index >
+ first_dir_index &&
+ m->info.dir.first_dir_index <
+ next_dir_index)
+ next_dir_index =3D
+ m->info.dir.first_dir_index;
+ }
+ remove_direntries(s, first_dir_index,
+ next_dir_index - first_dir_index);
+
+ deleted++;
+ }
+ } else {
+ if (unlink(mapping->path))
+ return -4;
+ deleted++;
+ }
+ DLOG(fprintf(stderr, "DELETE (%d)\n", i); print_mapping(ma=
pping); print_direntry(entry));
+ remove_mapping(s, i);
+ }
+ }
}
=20
return 0;
@@ -2785,15 +2785,15 @@ static int do_commit(BDRVVVFATState* s)
=20
/* the real meat are the commits. Nothing to do? Move along! */
if (s->commits.next =3D=3D 0)
- return 0;
+ return 0;
=20
vvfat_close_current_file(s);
=20
ret =3D handle_renames_and_mkdirs(s);
if (ret) {
- fprintf(stderr, "Error handling renames (%d)\n", ret);
+ fprintf(stderr, "Error handling renames (%d)\n", ret);
abort();
- return ret;
+ return ret;
}
=20
/* copy FAT (with bdrv_read) */
@@ -2802,23 +2802,23 @@ static int do_commit(BDRVVVFATState* s)
/* recurse direntries from root (using bs->bdrv_read) */
ret =3D commit_direntries(s, 0, -1);
if (ret) {
- fprintf(stderr, "Fatal: error while committing (%d)\n", ret);
+ fprintf(stderr, "Fatal: error while committing (%d)\n", ret);
abort();
- return ret;
+ return ret;
}
=20
ret =3D handle_commits(s);
if (ret) {
- fprintf(stderr, "Error handling commits (%d)\n", ret);
+ fprintf(stderr, "Error handling commits (%d)\n", ret);
abort();
- return ret;
+ return ret;
}
=20
ret =3D handle_deletes(s);
if (ret) {
- fprintf(stderr, "Error deleting\n");
+ fprintf(stderr, "Error deleting\n");
abort();
- return ret;
+ return ret;
}
=20
if (s->qcow->bs->drv->bdrv_make_empty) {
@@ -2836,7 +2836,7 @@ static int try_commit(BDRVVVFATState* s)
vvfat_close_current_file(s);
DLOG(checkpoint());
if(!is_consistent(s))
- return -1;
+ return -1;
return do_commit(s);
}
=20
@@ -2862,56 +2862,56 @@ DLOG(checkpoint());
*/
=20
if (sector_num < s->first_sectors_number)
- return -1;
+ return -1;
=20
for (i =3D sector2cluster(s, sector_num);
- i <=3D sector2cluster(s, sector_num + nb_sectors - 1);) {
- mapping_t* mapping =3D find_mapping_for_cluster(s, i);
- if (mapping) {
- if (mapping->read_only) {
- fprintf(stderr, "Tried to write to write-protected file %s\n",
- mapping->path);
- return -1;
- }
-
- if (mapping->mode & MODE_DIRECTORY) {
- int begin =3D cluster2sector(s, i);
- int end =3D begin + s->sectors_per_cluster, k;
- int dir_index;
- const direntry_t* direntries;
- long_file_name lfn;
-
- lfn_init(&lfn);
-
- if (begin < sector_num)
- begin =3D sector_num;
- if (end > sector_num + nb_sectors)
- end =3D sector_num + nb_sectors;
- dir_index =3D mapping->dir_index +
- 0x10 * (begin - mapping->begin * s->sectors_per_cluster);
- direntries =3D (direntry_t*)(buf + 0x200 * (begin - sector_num));
-
- for (k =3D 0; k < (end - begin) * 0x10; k++) {
- /* do not allow non-ASCII filenames */
- if (parse_long_name(&lfn, direntries + k) < 0) {
- fprintf(stderr, "Warning: non-ASCII filename\n");
- return -1;
- }
- /* no access to the direntry of a read-only file */
- else if (is_short_name(direntries+k) &&
- (direntries[k].attributes & 1)) {
- if (memcmp(direntries + k,
- array_get(&(s->directory), dir_index + k),
- sizeof(direntry_t))) {
- fprintf(stderr, "Warning: tried to write to write-protected file\n"=
);
- return -1;
- }
- }
- }
- }
- i =3D mapping->end;
- } else
- i++;
+ i <=3D sector2cluster(s, sector_num + nb_sectors - 1);) {
+ mapping_t* mapping =3D find_mapping_for_cluster(s, i);
+ if (mapping) {
+ if (mapping->read_only) {
+ fprintf(stderr, "Tried to write to write-protected file %s=
\n",
+ mapping->path);
+ return -1;
+ }
+
+ if (mapping->mode & MODE_DIRECTORY) {
+ int begin =3D cluster2sector(s, i);
+ int end =3D begin + s->sectors_per_cluster, k;
+ int dir_index;
+ const direntry_t* direntries;
+ long_file_name lfn;
+
+ lfn_init(&lfn);
+
+ if (begin < sector_num)
+ begin =3D sector_num;
+ if (end > sector_num + nb_sectors)
+ end =3D sector_num + nb_sectors;
+ dir_index =3D mapping->dir_index +
+ 0x10 * (begin - mapping->begin * s->sectors_per_cluste=
r);
+ direntries =3D (direntry_t*)(buf + 0x200 * (begin - sector=
_num));
+
+ for (k =3D 0; k < (end - begin) * 0x10; k++) {
+ /* do not allow non-ASCII filenames */
+ if (parse_long_name(&lfn, direntries + k) < 0) {
+ fprintf(stderr, "Warning: non-ASCII filename\n");
+ return -1;
+ }
+ /* no access to the direntry of a read-only file */
+ else if (is_short_name(direntries+k) &&
+ (direntries[k].attributes & 1)) {
+ if (memcmp(direntries + k,
+ array_get(&(s->directory), dir_index +=
k),
+ sizeof(direntry_t))) {
+ fprintf(stderr, "Warning: tried to write to wr=
ite-protected file\n");
+ return -1;
+ }
+ }
+ }
+ }
+ i =3D mapping->end;
+ } else
+ i++;
}
=20
/*
@@ -2920,14 +2920,14 @@ DLOG(checkpoint());
DLOG(fprintf(stderr, "Write to qcow backend: %d + %d\n", (int)sector_num, =
nb_sectors));
ret =3D bdrv_write(s->qcow, sector_num, buf, nb_sectors);
if (ret < 0) {
- fprintf(stderr, "Error writing to qcow backend\n");
- return ret;
+ fprintf(stderr, "Error writing to qcow backend\n");
+ return ret;
}
=20
for (i =3D sector2cluster(s, sector_num);
- i <=3D sector2cluster(s, sector_num + nb_sectors - 1); i++)
- if (i >=3D 0)
- s->used_clusters[i] |=3D USED_ALLOCATED;
+ i <=3D sector2cluster(s, sector_num + nb_sectors - 1); i++)
+ if (i >=3D 0)
+ s->used_clusters[i] |=3D USED_ALLOCATED;
=20
DLOG(checkpoint());
/* TODO: add timeout */
@@ -2966,7 +2966,7 @@ vvfat_co_pwritev(BlockDriverState *bs, uint64_t offse=
t, uint64_t bytes,
}
=20
static int64_t coroutine_fn vvfat_co_get_block_status(BlockDriverState *bs,
- int64_t sector_num, int nb_sectors, int *n, BlockDriverState **file)
+ int64_t sector_num, int nb_sectors, int *n, BlockDriverState **fil=
e)
{
*n =3D bs->total_sectors - sector_num;
if (*n > nb_sectors) {
@@ -3145,13 +3145,13 @@ static void checkpoint(void) {
assert(!vvv->current_mapping || vvv->current_fd || (vvv->current_mappi=
ng->mode & MODE_DIRECTORY));
#if 0
if (((direntry_t*)vvv->directory.pointer)[1].attributes !=3D 0xf)
- fprintf(stderr, "Nonono!\n");
+ fprintf(stderr, "Nonono!\n");
mapping_t* mapping;
direntry_t* direntry;
assert(vvv->mapping.size >=3D vvv->mapping.item_size * vvv->mapping.ne=
xt);
assert(vvv->directory.size >=3D vvv->directory.item_size * vvv->direct=
ory.next);
if (vvv->mapping.next<47)
- return;
+ return;
assert((mapping =3D array_get(&(vvv->mapping), 47)));
assert(mapping->dir_index < vvv->directory.next);
direntry =3D array_get(&(vvv->directory), mapping->dir_index);
--=20
1.8.3.1