stringlist: use seperately allocated string

Allocate the string in string list seperately instead of
embedding a zero length string into struct stringlist.
Besides looking cleaner this allows us to implement a
string_list_asprintf.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 4 insertions, 6 deletions

diff --git a/lib/stringlist.c b/lib/stringlist.c
index a8ff97964f..c8b835ed09 100644
--- a/lib/stringlist.c
+++ b/lib/stringlist.c
@@ -16,9 +16,8 @@ int string_list_add(struct string_list *sl, char *str)
 {
 	struct string_list *new;
 
-	new = xmalloc(sizeof(struct string_list) + strlen(str) + 1);
-
-	strcpy(new->str, str);
+	new = xmalloc(sizeof(*new));
+	new->str = xstrdup(str);
 
 	list_add_tail(&new->list, &sl->list);
 
@@ -29,9 +28,8 @@ int string_list_add_sorted(struct string_list *sl, char *str)
 {
 	struct string_list *new;
 
-	new = xmalloc(sizeof(struct string_list) + strlen(str) + 1);
-
-	strcpy(new->str, str);
+	new = xmalloc(sizeof(*new));
+	new->str = xstrdup(str);
 
 	list_add_sort(&new->list, &sl->list, string_list_compare);