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-rw-r--r--include/qemu/osdep.h8
-rw-r--r--os-posix.c6
-rw-r--r--os-win32.c2
-rw-r--r--tests/qtest/fuzz/fuzz.c4
-rw-r--r--util/module.c7
-rw-r--r--util/oslib-posix.c8
-rw-r--r--util/oslib-win32.c12
7 files changed, 20 insertions, 27 deletions
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index dad44be043..f9ec8c84e9 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -597,12 +597,8 @@ char *qemu_get_local_state_pathname(const char *relative_pathname);
* Try OS specific API first, if not working, parse from argv0. */
void qemu_init_exec_dir(const char *argv0);
-/* Get the saved exec dir.
- *
- * The caller is responsible for releasing the value returned with g_free()
- * after use.
- */
-char *qemu_get_exec_dir(void);
+/* Get the saved exec dir. */
+const char *qemu_get_exec_dir(void);
/**
* qemu_getauxval:
diff --git a/os-posix.c b/os-posix.c
index 0bfd8e2d3c..36e344c544 100644
--- a/os-posix.c
+++ b/os-posix.c
@@ -90,13 +90,9 @@ void os_setup_signal_handling(void)
*/
char *os_find_datadir(void)
{
- g_autofree char *exec_dir = NULL;
g_autofree char *dir = NULL;
- exec_dir = qemu_get_exec_dir();
- g_return_val_if_fail(exec_dir != NULL, NULL);
-
- dir = g_build_filename(exec_dir, "pc-bios", NULL);
+ dir = g_build_filename(qemu_get_exec_dir(), "pc-bios", NULL);
if (g_file_test(dir, G_FILE_TEST_IS_DIR)) {
return g_steal_pointer(&dir);
}
diff --git a/os-win32.c b/os-win32.c
index c9c3afe648..eb8501b9e5 100644
--- a/os-win32.c
+++ b/os-win32.c
@@ -65,7 +65,7 @@ void os_setup_early_signal_handling(void)
*/
char *os_find_datadir(void)
{
- return qemu_get_exec_dir();
+ return g_strdup(qemu_get_exec_dir());
}
void os_set_line_buffering(void)
diff --git a/tests/qtest/fuzz/fuzz.c b/tests/qtest/fuzz/fuzz.c
index 7f266ffc63..d3a3ccdec9 100644
--- a/tests/qtest/fuzz/fuzz.c
+++ b/tests/qtest/fuzz/fuzz.c
@@ -143,7 +143,8 @@ int LLVMFuzzerInitialize(int *argc, char ***argv, char ***envp)
{
char *target_name;
- char *bindir, *datadir;
+ const char *bindir;
+ char *datadir;
bool serialize = false;
/* Initialize qgraph and modules */
@@ -166,7 +167,6 @@ int LLVMFuzzerInitialize(int *argc, char ***argv, char ***envp)
*/
bindir = g_path_get_dirname(**argv);
datadir = g_build_filename(bindir, "pc-bios", NULL);
- g_free(bindir);
if (g_file_test(datadir, G_FILE_TEST_IS_DIR)) {
qemu_add_data_dir(datadir);
}
diff --git a/util/module.c b/util/module.c
index 34772e7d87..9ffe83bb32 100644
--- a/util/module.c
+++ b/util/module.c
@@ -172,7 +172,6 @@ bool module_load_one(const char *prefix, const char *lib_name)
#ifdef CONFIG_MODULES
char *fname = NULL;
- char *exec_dir;
#ifdef CONFIG_MODULE_UPGRADES
char *version_dir;
#endif
@@ -199,13 +198,12 @@ bool module_load_one(const char *prefix, const char *lib_name)
return true;
}
- exec_dir = qemu_get_exec_dir();
search_dir = getenv("QEMU_MODULE_DIR");
if (search_dir != NULL) {
dirs[n_dirs++] = g_strdup_printf("%s", search_dir);
}
dirs[n_dirs++] = g_strdup_printf("%s", CONFIG_QEMU_MODDIR);
- dirs[n_dirs++] = g_strdup_printf("%s", exec_dir ? : "");
+ dirs[n_dirs++] = g_strdup(qemu_get_exec_dir());
#ifdef CONFIG_MODULE_UPGRADES
version_dir = g_strcanon(g_strdup(QEMU_PKGVERSION),
@@ -216,9 +214,6 @@ bool module_load_one(const char *prefix, const char *lib_name)
assert(n_dirs <= ARRAY_SIZE(dirs));
- g_free(exec_dir);
- exec_dir = NULL;
-
for (i = 0; i < n_dirs; i++) {
fname = g_strdup_printf("%s/%s%s",
dirs[i], module_name, CONFIG_HOST_DSOSUF);
diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index f5f676f079..18531fc859 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -366,7 +366,9 @@ void qemu_init_exec_dir(const char *argv0)
char *p = NULL;
char buf[PATH_MAX];
- assert(!exec_dir[0]);
+ if (exec_dir[0]) {
+ return;
+ }
#if defined(__linux__)
{
@@ -439,9 +441,9 @@ void qemu_init_exec_dir(const char *argv0)
g_free(dir);
}
-char *qemu_get_exec_dir(void)
+const char *qemu_get_exec_dir(void)
{
- return g_strdup(exec_dir);
+ return exec_dir;
}
static void sigbus_handler(int signal)
diff --git a/util/oslib-win32.c b/util/oslib-win32.c
index c654dafd93..1a33912944 100644
--- a/util/oslib-win32.c
+++ b/util/oslib-win32.c
@@ -315,7 +315,7 @@ void qemu_set_tty_echo(int fd, bool echo)
}
}
-static char exec_dir[PATH_MAX];
+static char *exec_dir;
void qemu_init_exec_dir(const char *argv0)
{
@@ -324,6 +324,10 @@ void qemu_init_exec_dir(const char *argv0)
char buf[MAX_PATH];
DWORD len;
+ if (exec_dir) {
+ return;
+ }
+
len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
if (len == 0) {
return;
@@ -336,13 +340,13 @@ void qemu_init_exec_dir(const char *argv0)
}
*p = 0;
if (access(buf, R_OK) == 0) {
- pstrcpy(exec_dir, sizeof(exec_dir), buf);
+ exec_dir = g_strdup(buf);
}
}
-char *qemu_get_exec_dir(void)
+const char *qemu_get_exec_dir(void)
{
- return g_strdup(exec_dir);
+ return exec_dir;
}
#if !GLIB_CHECK_VERSION(2, 50, 0)