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bh=gGviLxAw+vrWTwDuFaNJGcXznT4SMxFyivIgoPBHBAc=; b=BbgWzpUNLEhvB/gIoTnASzfId9KJz621H5atTEvBFnHcQlZCvEPlu6kenvkEjqBu632eDr +szzTqjLdF4YniQLO3aCeDLxvL9E9+A8Yfevb5rXGH4bMj8yeyPW0N6LCOrcnwoVkrAl4z LRNAefoefSUJEcBa+YyCAwl5PekDl6I= X-MC-Unique: kdCJo4FZNTScJxVvZhEbDA-1 From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 41/92] oslib-posix: default exec_dir to bindir Date: Thu, 24 Sep 2020 05:22:23 -0400 Message-Id: <20200924092314.1722645-42-pbonzini@redhat.com> In-Reply-To: <20200924092314.1722645-1-pbonzini@redhat.com> References: <20200924092314.1722645-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/22 23:02:20 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -32 X-Spam_score: -3.3 X-Spam_bar: --- X-Spam_report: (-3.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.228, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" If the exec_dir cannot be retrieved, just assume it's the installation directory that was specified at configure time. This makes it simpler to reason about what the callers will do if they get back an empty path. Signed-off-by: Paolo Bonzini --- meson.build | 2 +- util/oslib-posix.c | 23 ++++++++--------------- util/oslib-win32.c | 4 +++- 3 files changed, 12 insertions(+), 17 deletions(-) diff --git a/meson.build b/meson.build index fedf44ed79..9a4ade7f98 100644 --- a/meson.build +++ b/meson.build @@ -560,7 +560,7 @@ config_host_data.set('QEMU_VERSION_MINOR', meson.projec= t_version().split('.')[1] config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('= .')[2]) =20 arrays =3D ['CONFIG_AUDIO_DRIVERS', 'CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BD= RV_RO_WHITELIST'] -strings =3D ['HOST_DSOSUF', 'CONFIG_IASL', 'qemu_confdir', 'qemu_datadir', +strings =3D ['HOST_DSOSUF', 'CONFIG_IASL', 'bindir', 'qemu_confdir', 'qemu= _datadir', 'qemu_moddir', 'qemu_localstatedir', 'qemu_helperdir', 'qemu_lo= caledir', 'qemu_icondir', 'qemu_desktopdir', 'qemu_firmwarepath'] foreach k, v: config_host diff --git a/util/oslib-posix.c b/util/oslib-posix.c index 18531fc859..1739930e65 100644 --- a/util/oslib-posix.c +++ b/util/oslib-posix.c @@ -358,15 +358,14 @@ void qemu_set_tty_echo(int fd, bool echo) tcsetattr(fd, TCSANOW, &tty); } =20 -static char exec_dir[PATH_MAX]; +static const char *exec_dir; =20 void qemu_init_exec_dir(const char *argv0) { - char *dir; char *p =3D NULL; char buf[PATH_MAX]; =20 - if (exec_dir[0]) { + if (exec_dir) { return; } =20 @@ -425,20 +424,14 @@ void qemu_init_exec_dir(const char *argv0) #endif /* If we don't have any way of figuring out the actual executable location then try argv[0]. */ - if (!p) { - if (!argv0) { - return; - } + if (!p && argv0) { p =3D realpath(argv0, buf); - if (!p) { - return; - } } - dir =3D g_path_get_dirname(p); - - pstrcpy(exec_dir, sizeof(exec_dir), dir); - - g_free(dir); + if (p) { + exec_dir =3D g_path_get_dirname(p); + } else { + exec_dir =3D CONFIG_BINDIR; + } } =20 const char *qemu_get_exec_dir(void) diff --git a/util/oslib-win32.c b/util/oslib-win32.c index 1a33912944..051afb217b 100644 --- a/util/oslib-win32.c +++ b/util/oslib-win32.c @@ -315,7 +315,7 @@ void qemu_set_tty_echo(int fd, bool echo) } } =20 -static char *exec_dir; +static const char *exec_dir; =20 void qemu_init_exec_dir(const char *argv0) { @@ -341,6 +341,8 @@ void qemu_init_exec_dir(const char *argv0) *p =3D 0; if (access(buf, R_OK) =3D=3D 0) { exec_dir =3D g_strdup(buf); + } else { + exec_dir =3D CONFIG_BINDIR; } } =20 --=20 2.26.2