util: Split out exec_dir from os_find_datadir
With this change, main() calls qemu_init_exec_dir and uses argv[0] to
init exec_dir. The saved value can be retrieved with
qemu_get_exec_dir later. It will be reused by module loading.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/os-win32.c b/os-win32.c
index 50b7f6f..5f95caa 100644
--- a/os-win32.c
+++ b/os-win32.c
@@ -84,26 +84,9 @@
}
/* Look for support files in the same directory as the executable. */
-char *os_find_datadir(const char *argv0)
+char *os_find_datadir(void)
{
- char *p;
- char buf[MAX_PATH];
- DWORD len;
-
- len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
- if (len == 0) {
- return NULL;
- }
-
- buf[len] = 0;
- p = buf + len - 1;
- while (p != buf && *p != '\\')
- p--;
- *p = 0;
- if (access(buf, R_OK) == 0) {
- return g_strdup(buf);
- }
- return NULL;
+ return qemu_get_exec_dir();
}
void os_set_line_buffering(void)