Implement CONFIG_KEY_UNSIGNED_INTEGER

strtol() does not work when trying to assign 32 bits of data into a
regular signed int on 32 bit systems. Use corresponding strtoul()
instead.

clients/desktop-shell.c

@@ -107,8 +107,8 @@ static int key_locking = 1;
 static const struct config_key shell_config_keys[] = {
 	{ "background-image", CONFIG_KEY_STRING, &key_background_image },
 	{ "background-type", CONFIG_KEY_STRING, &key_background_type },
-	{ "panel-color", CONFIG_KEY_INTEGER, &key_panel_color },
-	{ "background-color", CONFIG_KEY_INTEGER, &key_background_color },
+	{ "panel-color", CONFIG_KEY_UNSIGNED_INTEGER, &key_panel_color },
+	{ "background-color", CONFIG_KEY_UNSIGNED_INTEGER, &key_background_color },
 	{ "locking", CONFIG_KEY_BOOLEAN, &key_locking },
 };
 

shared/config-parser.c

@@ -32,6 +32,7 @@ handle_key(const struct config_key *key, const char *value)
 {
 	char *end, *s;
 	int i, len;
+	unsigned int ui;
 	
 	switch (key->type) {
 	case CONFIG_KEY_INTEGER:
@@ -43,6 +44,15 @@ handle_key(const struct config_key *key, const char *value)
 		*(int *)key->data = i;
 		return 0;
 
+	case CONFIG_KEY_UNSIGNED_INTEGER:
+		ui = strtoul(value, &end, 0);
+		if (*end != '\n') {
+			fprintf(stderr, "invalid integer: %s\n", value);
+			return -1;
+		}
+		*(unsigned int *)key->data = ui;
+		return 0;
+
 	case CONFIG_KEY_STRING:
 		len = strlen(value);
 		s = malloc(len);

shared/config-parser.h

@@ -25,6 +25,7 @@
 
 enum config_key_type {
 	CONFIG_KEY_INTEGER,		/* typeof data = int */
+	CONFIG_KEY_UNSIGNED_INTEGER,	/* typeof data = unsigned int */
 	CONFIG_KEY_STRING,		/* typeof data = char* */
 	CONFIG_KEY_BOOLEAN		/* typeof data = int */
 };