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Correctly implemented the "TryExec" key

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This commit is contained in:
Pierre Pronchery 2013-11-24 02:10:36 +01:00
parent 57e09baba9
commit 1165ee5230
1 changed files with 72 additions and 17 deletions
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89
src/applets/main.c
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@ -585,8 +585,11 @@ static void _clicked_position_menu(GtkMenu * menu, gint * x, gint * y,
/* on_idle */
static void _idle_path(Main * main, char const * path);
static int _idle_access(Main * main, char const * path, int mode);
static int _idle_access_path(Main * main, char const * path,
char const * filename, int mode);
static gint _idle_apps_compare(gconstpointer a, gconstpointer b);
static void _idle_path(Main * main, char const * path);
static gboolean _on_idle(gpointer data)
{
@ -599,6 +602,73 @@ static gboolean _on_idle(gpointer data)
return FALSE;
}
static int _idle_access(Main * main, char const * path, int mode)
{
int ret = -1;
char const * p;
char * q;
size_t i;
size_t j;
if(path[0] == '/')
return access(path, mode);
if((p = getenv("PATH")) == NULL)
return 0;
if((q = strdup(p)) == NULL)
{
main->helper->error(NULL, path, 1);
return 0;
}
errno = ENOENT;
for(i = 0, j = 0;; i++)
if(q[i] == '\0')
{
ret = _idle_access_path(main, &q[j], path, mode);
break;
}
else if(q[i] == ':')
{
q[i] = '\0';
if((ret = _idle_access_path(main, &q[j], path, mode))
== 0)
break;
j = i + 1;
}
free(q);
return ret;
}
static int _idle_access_path(Main * main, char const * path,
char const * filename, int mode)
{
int ret;
char * p;
size_t len;
len = strlen(path) + 1 + strlen(filename) + 1;
if((p = malloc(len)) == NULL)
return -main->helper->error(NULL, path, 1);
snprintf(p, len, "%s/%s", path, filename);
ret = access(p, mode);
free(p);
return ret;
}
static gint _idle_apps_compare(gconstpointer a, gconstpointer b)
{
Config * ca = (Config *)a;
Config * cb = (Config *)b;
char const * cap;
char const * cbp;
const char section[] = "Desktop Entry";
const char variable[] = "Name";
/* these should not fail */
cap = config_get(ca, section, variable);
cbp = config_get(cb, section, variable);
return string_compare(cap, cbp);
}
static void _idle_path(Main * main, char const * path)
{
DIR * dir;
@ -675,7 +745,7 @@ static void _idle_path(Main * main, char const * path)
continue;
/* skip this entry if the binary cannot be executed */
if((q = config_get(config, section, "TryExec")) != NULL
&& access(q, X_OK) != 0
&& _idle_access(main, q, X_OK) != 0
&& errno == ENOENT)
continue;
main->apps = g_slist_insert_sorted(main->apps, config,
@ -688,21 +758,6 @@ static void _idle_path(Main * main, char const * path)
config_delete(config);
}
static gint _idle_apps_compare(gconstpointer a, gconstpointer b)
{
Config * ca = (Config *)a;
Config * cb = (Config *)b;
char const * cap;
char const * cbp;
const char section[] = "Desktop Entry";
const char variable[] = "Name";
/* these should not fail */
cap = config_get(ca, section, variable);
cbp = config_get(cb, section, variable);
return string_compare(cap, cbp);
}
/* on_lock */
static void _on_lock(gpointer data)