conf: added function config_get_unsigned()

src/conf.c

@@ -503,6 +503,23 @@ config_get_path(const char *name)
 	return param->value = path;
 }
 
+unsigned
+config_get_unsigned(const char *name, unsigned default_value)
+{
+	const struct config_param *param = config_get_param(name);
+	long value;
+	char *endptr;
+
+	if (param == NULL)
+		return default_value;
+
+	value = strtol(param->value, &endptr, 0);
+	if (*endptr != 0 || value < 0)
+		g_error("Not a valid non-negative number in line %i", param->line);
+
+	return (unsigned)value;
+}
+
 unsigned
 config_get_positive(const char *name, unsigned default_value)
 {

src/conf.h

@@ -162,6 +162,10 @@ G_GNUC_PURE
 const char *
 config_get_path(const char *name);
 
+G_GNUC_PURE
+unsigned
+config_get_unsigned(const char *name, unsigned default_value);
+
 G_GNUC_PURE
 unsigned
 config_get_positive(const char *name, unsigned default_value);