add kai_tag_attr_to_dup()

1 files changed, 15 insertions, 7 deletions

diff --git a/src/xml/xml.c b/src/xml/xml.c
index 24d544c..ee3c879 100644
--- a/src/xml/xml.c
+++ b/src/xml/xml.c
@@ -35,18 +35,26 @@ char * kai_tag_get_attr(struct kai_tag_t *t, const char *attr)
 
 
 long kai_tag_attr_to_long(
-	struct kai_tag_t *t, const char *attr, 
-	long base, int *flag)
+	struct kai_tag_t *t, const char *attr, long base)
 {
 	char *val = kai_tag_get_attr(t, attr);
 	if (val == NULL) {
 		/* attribute not present, fall back to base */
-		if (flag != NULL)
-			*flag = 1;
 		return base;
 	}
+	else {
+		return strtol(val, NULL, 10);
+	}
+}
+
 
-	if (flag != NULL)
-		*flag = 0;
-	return strtol(val, NULL, 10);
+char *kai_tag_attr_to_dup(struct kai_tag_t *t, const char *attr)
+{
+	char *val = kai_tag_get_attr(t, attr);
+	if (val == NULL) {
+		return NULL;
+	}
+	else {
+		return strdup(val);
+	}
 }