support for formatting in avatar executable

in before it just used the input command line as it was but this fixes
this by adding formatting using `format_call_external_argv` which is
already used in `url open` executable.

2 files changed, 25 insertions, 15 deletions

diff --git a/src/common.c b/src/common.c
index f5b59612..de35ea2d 100644
--- a/src/common.c
+++ b/src/common.c
@@ -445,8 +445,8 @@ get_mentions(gboolean whole_word, gboolean case_sensitive, const char* const mes
 gboolean
 call_external(gchar** argv, gchar** std_out, gchar** std_err)
 {
-    GError *spawn_error = NULL;
-    GError *exit_error = NULL;
+    GError* spawn_error = NULL;
+    GError* exit_error = NULL;
     gboolean is_successful;
     gint wait_status;
 
@@ -457,22 +457,22 @@ call_external(gchar** argv, gchar** std_out, gchar** std_err)
         flags |= G_SPAWN_STDERR_TO_DEV_NULL;
 
     is_successful = g_spawn_sync(NULL, // Inherit the parent PWD.
-                                argv,
-                                NULL, // Inherit the parent environment.
-                                flags,
-                                NULL, NULL, // No func. before exec() in child.
-                                std_out, std_err,
-                                &wait_status, &spawn_error);
+                                 argv,
+                                 NULL, // Inherit the parent environment.
+                                 flags,
+                                 NULL, NULL, // No func. before exec() in child.
+                                 std_out, std_err,
+                                 &wait_status, &spawn_error);
 
     if (!is_successful) {
         gchar* cmd = g_strjoinv(" ", argv);
-        log_error("could not spawn '%s' with error '%s'", cmd, spawn_error->message);
+        log_error("Spawning '%s' failed with with error '%s'", cmd, spawn_error ? spawn_error->message : "Unknown, spawn_error is NULL");
+        ;
 
         g_error_free(spawn_error);
         g_free(cmd);
-    }
-    else {
-        is_successful = g_spawn_check_wait_status(wait_status, &exit_error);
+    } else {
+        is_successful = g_spawn_check_exit_status(wait_status, &exit_error);
 
         if (!is_successful) {
             gchar* cmd = g_strjoinv(" ", argv);
diff --git a/src/xmpp/avatar.c b/src/xmpp/avatar.c
index 9345ba3a..fb3b01ea 100644
--- a/src/xmpp/avatar.c
+++ b/src/xmpp/avatar.c
@@ -339,10 +339,20 @@ _avatar_request_item_result_handler(xmpp_stanza_t* const stanza, void* const use
 
     // if we shall open it
     if (g_hash_table_contains(shall_open, from_attr)) {
-        gchar* argv[] = { prefs_get_string(PREF_AVATAR_CMD), filename->str, NULL };
-        if (!call_external(argv, NULL, NULL)) {
-            cons_show_error("Unable to display avatar: check the logs for more information.");
+        gchar* cmdtemplate = prefs_get_string(PREF_AVATAR_CMD);
+
+        if (cmdtemplate == NULL) {
+            cons_show_error("No default `avatar open` command found in executables preferences.");
+        } else {
+            gchar** argv = format_call_external_argv(cmdtemplate, NULL, filename->str);
+
+            if (!call_external(argv, NULL, NULL)) {
+                cons_show_error("Unable to display avatar: check the logs for more information.");
+            }
+
+            g_strfreev(argv);
         }
+
         g_hash_table_remove(shall_open, from_attr);
     }