Make xbps_callback_array_in_dict() return a bool.

The func cb accepted also returns a bool now.

--HG--
extra : convert_revision : 1adf9a54e111f5d7f3dd78a829c3cf680d15f769

utils/plist.c

@@ -33,7 +33,7 @@
 
 #include "xbps_api.h"
 
-static void xbps_list_strings_in_array2(prop_object_t);
+static bool xbps_list_strings_in_array2(prop_object_t);
 
 bool
 xbps_add_obj_to_dict(prop_dictionary_t dict, prop_object_t obj,
@@ -64,24 +64,29 @@ xbps_add_obj_to_array(prop_array_t array, prop_object_t obj)
 	return true;
 }
 
-void
+bool
 xbps_callback_array_iter_in_dict(prop_dictionary_t dict, const char *key,
-				 void (*func)(prop_object_t))
+				 bool (*func)(prop_object_t))
 {
 	prop_object_iterator_t iter;
 	prop_object_t obj;
 
 	if (func == NULL)
-		return;
+		return false;
 
 	iter = xbps_get_array_iter_from_dict(dict, key);
 	if (iter == NULL)
-		return;
+		return false;
 
-	while ((obj = prop_object_iterator_next(iter)))
-		(*func)(obj);
+	while ((obj = prop_object_iterator_next(iter))) {
+		if (!(*func)(obj)) {
+			prop_object_iterator_release(iter);
+			return false;
+		}
+	}
 
 	prop_object_iterator_release(iter);
+	return true;
 }
 
 prop_dictionary_t
@@ -250,9 +255,10 @@ xbps_show_pkg_info(prop_dictionary_t dict)
 
 		} else if (prop_object_type(obj2) == PROP_TYPE_ARRAY) {
 			printf("\n\t");
-			xbps_callback_array_iter_in_dict(dict,
+			if (!xbps_callback_array_iter_in_dict(dict,
 			    prop_dictionary_keysym_cstring_nocopy(obj),
-			    xbps_list_strings_in_array2);
+			    xbps_list_strings_in_array2))
+				return;
 			printf("\n");
 		}
 	}
@@ -260,28 +266,32 @@ xbps_show_pkg_info(prop_dictionary_t dict)
 	prop_object_iterator_release(iter);
 }
 
-void
+bool
 xbps_list_pkgs_in_dict(prop_object_t obj)
 {
 	const char *pkgname, *version, *short_desc;
 
 	if (prop_object_type(obj) != PROP_TYPE_DICTIONARY)
-		return;
+		return false;
 
 	prop_dictionary_get_cstring_nocopy(obj, "pkgname", &pkgname);
 	prop_dictionary_get_cstring_nocopy(obj, "version", &version);
 	prop_dictionary_get_cstring_nocopy(obj, "short_desc", &short_desc);
-	if (pkgname && version && short_desc)
+	if (pkgname && version && short_desc) {
 		printf("%s (%s)\t%s\n", pkgname, version, short_desc);
+		return true;
+	}
+
+	return false;
 }
 
-static void
+static bool
 xbps_list_strings_in_array2(prop_object_t obj)
 {
 	static uint16_t count;
 
 	if (prop_object_type(obj) != PROP_TYPE_STRING)
-		return;
+		return false;
 
 	if (count == 4) {
 		printf("\n\t");
@@ -290,13 +300,15 @@ xbps_list_strings_in_array2(prop_object_t obj)
 
 	printf("%s ", prop_string_cstring_nocopy(obj));
 	count++;
+	return true;
 }
 
-void
+bool
 xbps_list_strings_in_array(prop_object_t obj)
 {
 	if (prop_object_type(obj) != PROP_TYPE_STRING)
-		return;
+		return false;
 
 	printf("%s\n", prop_string_cstring_nocopy(obj));
+	return true;
 }

utils/plist.h

@@ -59,10 +59,12 @@ xbps_add_obj_to_array(prop_array_t, prop_object_t);
  * 	- prop_dictionary_t: dictionary to search on.
  *	- const char *: key of the array.
  *	- (*func)(prop_object_t): callback associated.
+ *
+ * Returns true on success, false otherwise and the loop is terminated.
  */
-void
+bool
 xbps_callback_array_iter_in_dict(prop_dictionary_t, const char *,
-				 void (*func)(prop_object_t));
+				 bool (*func)(prop_object_t));
 
 /*
  * Finds a package's dictionary into the main dictionary.
@@ -83,7 +85,7 @@ xbps_find_pkg_in_dict(prop_dictionary_t, const char *);
  * 	- prop_array_t: array to search for the string.
  * 	- const char *: string value of the object to be found.
  *
- * Returns true on success, false on failure.
+ * Returns true on success, false otherwise.
  */
 bool
 xbps_find_string_in_array(prop_array_t, const char *);
@@ -106,8 +108,10 @@ xbps_get_array_iter_from_dict(prop_dictionary_t, const char *);
  *
  * Arguments:
  * 	- prop_object_t: the object to be processed.
+ *
+ * Returns true on success, false otherwise.
  */
-void
+bool
 xbps_list_pkgs_in_dict(prop_object_t);
 
 /*
@@ -115,8 +119,10 @@ xbps_list_pkgs_in_dict(prop_object_t);
  *
  * Arguments:
  * 	- prop_object_t: the object to be processed.
+ *
+ * Returns true on success, false otherwise.
  */
-void
+bool
 xbps_list_strings_in_array(prop_object_t);
 
 /*
@@ -125,7 +131,7 @@ xbps_list_strings_in_array(prop_object_t);
  * Arguments:
  * 	- const char *: URI to register.
  *
- * Returns true on success, false on failure.
+ * Returns true on success, false otherwise.
  */
 bool
 xbps_register_repository(const char *);

utils/xbps-pkgdb.c

@@ -291,8 +291,9 @@ main(int argc, char **argv)
 			usage();
 
 		dbdict = prop_dictionary_internalize_from_file(dbfile);
-		xbps_callback_array_iter_in_dict(dbdict,
-		    "packages", xbps_list_pkgs_in_dict);
+		if (!xbps_callback_array_iter_in_dict(dbdict,
+		    "packages", xbps_list_pkgs_in_dict))
+			exit(EINVAL);
 
 	} else if (strcmp(argv[1], "version") == 0) {
 		/* Prints version of an installed package */