[v3] tests/qtest: Enable running qtest on Windows

[PATCH v3 15/54] tests/qtest: pflash-cfi02-test: Avoid using hardcoded /tmp

Bin Meng posted 54 patches 3 years, 4 months ago

Diff against v1 v1 v2 v4 v5 v6
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Maintainers: "Alex Bennée" <alex.bennee@linaro.org>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Thomas Huth <thuth@redhat.com>, Wainer dos Santos Moschetta <wainersm@redhat.com>, Beraldo Leal <bleal@redhat.com>, Laurent Vivier <lvivier@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Greg Kurz <groug@kaod.org>, Christian Schoenebeck <qemu_oss@crudebyte.com>, Gerd Hoffmann <kraxel@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Yanan Wang <wangyanan55@huawei.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, John Snow <jsnow@redhat.com>, "Cédric Le Goater" <clg@kaod.org>, Peter Maydell <peter.maydell@linaro.org>, Andrew Jeffery <andrew@aj.id.au>, Joel Stanley <joel@jms.id.au>, "Michael S. Tsirkin" <mst@redhat.com>, Igor Mammedov <imammedo@redhat.com>, Ani Sinha <ani@anisinha.ca>, Alexander Bulekov <alxndr@bu.edu>, Bandan Das <bsd@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Darren Kenny <darren.kenny@oracle.com>, Qiuhao Li <Qiuhao.Li@outlook.com>, Juan Quintela <quintela@redhat.com>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, Markus Armbruster <armbru@redhat.com>, Coiby Xu <Coiby.Xu@gmail.com>, Jason Wang <jasowang@redhat.com>, Fam Zheng <fam@euphon.net>, Michael Roth <michael.roth@amd.com>, Konstantin Kostiuk <kkostiuk@redhat.com>

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[PATCH v3 15/54] tests/qtest: pflash-cfi02-test: Avoid using hardcoded /tmp

Posted by Bin Meng 3 years, 4 months ago

From: Bin Meng <bin.meng@windriver.com>

This case was written to use hardcoded /tmp directory for temporary
files. Update to use g_file_open_tmp() for a portable implementation.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
---

Changes in v3:
- Split to a separate patch

 tests/qtest/pflash-cfi02-test.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tests/qtest/pflash-cfi02-test.c b/tests/qtest/pflash-cfi02-test.c
index 7fce614b64..55890b7d95 100644
--- a/tests/qtest/pflash-cfi02-test.c
+++ b/tests/qtest/pflash-cfi02-test.c
@@ -56,7 +56,7 @@ typedef struct {
     QTestState *qtest;
 } FlashConfig;
 
-static char image_path[] = "/tmp/qtest.XXXXXX";
+static char *image_path;
 
 /*
  * The pflash implementation allows some parameters to be unspecified. We want
@@ -608,6 +608,7 @@ static void test_cfi_in_autoselect(const void *opaque)
 static void cleanup(void *opaque)
 {
     unlink(image_path);
+    g_free(image_path);
 }
 
 /*
@@ -635,16 +636,17 @@ static const FlashConfig configuration[] = {
 
 int main(int argc, char **argv)
 {
-    int fd = mkstemp(image_path);
+    int fd = g_file_open_tmp("qtest.XXXXXX", &image_path, NULL);
     if (fd == -1) {
         g_printerr("Failed to create temporary file %s: %s\n", image_path,
                    strerror(errno));
+        g_free(image_path);
         exit(EXIT_FAILURE);
     }
     if (ftruncate(fd, UNIFORM_FLASH_SIZE) < 0) {
         int error_code = errno;
         close(fd);
-        unlink(image_path);
+        cleanup(NULL);
         g_printerr("Failed to truncate file %s to %u MB: %s\n", image_path,
                    UNIFORM_FLASH_SIZE, strerror(error_code));
         exit(EXIT_FAILURE);
-- 
2.34.1

Re: [PATCH v3 15/54] tests/qtest: pflash-cfi02-test: Avoid using hardcoded /tmp

Posted by Marc-André Lureau 3 years, 4 months ago

On Sun, Sep 25, 2022 at 4:04 PM Bin Meng <bmeng.cn@gmail.com> wrote:

> From: Bin Meng <bin.meng@windriver.com>
>
> This case was written to use hardcoded /tmp directory for temporary
> files. Update to use g_file_open_tmp() for a portable implementation.
>
> Signed-off-by: Bin Meng <bin.meng@windriver.com>
>




> ---
>
> Changes in v3:
> - Split to a separate patch
>
>  tests/qtest/pflash-cfi02-test.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/tests/qtest/pflash-cfi02-test.c
> b/tests/qtest/pflash-cfi02-test.c
> index 7fce614b64..55890b7d95 100644
> --- a/tests/qtest/pflash-cfi02-test.c
> +++ b/tests/qtest/pflash-cfi02-test.c
> @@ -56,7 +56,7 @@ typedef struct {
>      QTestState *qtest;
>  } FlashConfig;
>
> -static char image_path[] = "/tmp/qtest.XXXXXX";
> +static char *image_path;
>
>  /*
>   * The pflash implementation allows some parameters to be unspecified. We
> want
> @@ -608,6 +608,7 @@ static void test_cfi_in_autoselect(const void *opaque)
>  static void cleanup(void *opaque)
>  {
>      unlink(image_path);
> +    g_free(image_path);
>  }
>
>  /*
> @@ -635,16 +636,17 @@ static const FlashConfig configuration[] = {
>
>  int main(int argc, char **argv)
>  {
> -    int fd = mkstemp(image_path);
> +    int fd = g_file_open_tmp("qtest.XXXXXX", &image_path, NULL);
>      if (fd == -1) {
>          g_printerr("Failed to create temporary file %s: %s\n", image_path,
>                     strerror(errno));
>

You need to update error reporting using GError error argument.

> +        g_free(image_path);
>

No, image_path is likely still uninitialized here.

The easiest is probably to replace the whole block with a
g_assert_no_error(err).

         exit(EXIT_FAILURE);
>      }
>      if (ftruncate(fd, UNIFORM_FLASH_SIZE) < 0) {
>          int error_code = errno;
>          close(fd);
> -        unlink(image_path);
> +        cleanup(NULL);
>          g_printerr("Failed to truncate file %s to %u MB: %s\n",
> image_path,
>                     UNIFORM_FLASH_SIZE, strerror(error_code));
>          exit(EXIT_FAILURE);
> --
> 2.34.1
>
>
>

-- 
Marc-André Lureau