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authorMichael Haggerty <mhagger@alum.mit.edu>2012-09-12 16:04:42 +0200
committerJunio C Hamano <gitster@pobox.com>2012-09-12 11:43:24 -0700
commite448fed8e6ba9cd9237b7c8045c11cc40afc8595 (patch)
tree29417037d3510afd9623a3f35c371a312179ee83 /string-list.c
parent0ce986446163b37c7f663ce7a408e7f94c31ba63 (diff)
downloadgit-e448fed8e6ba9cd9237b7c8045c11cc40afc8595.tar.gz
string_list: add function string_list_append_nodup()
Add a new function that appends a string to a string_list without copying it. This can be used to pass ownership of an already-copied string to a string_list that has strdup_strings set. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'string-list.c')
-rw-r--r--string-list.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/string-list.c b/string-list.c
index d9810aba42..ad2aa5af91 100644
--- a/string-list.c
+++ b/string-list.c
@@ -148,13 +148,23 @@ void print_string_list(const struct string_list *p, const char *text)
printf("%s:%p\n", p->items[i].string, p->items[i].util);
}
-struct string_list_item *string_list_append(struct string_list *list, const char *string)
+struct string_list_item *string_list_append_nodup(struct string_list *list,
+ char *string)
{
+ struct string_list_item *retval;
ALLOC_GROW(list->items, list->nr + 1, list->alloc);
- list->items[list->nr].string =
- list->strdup_strings ? xstrdup(string) : (char *)string;
- list->items[list->nr].util = NULL;
- return list->items + list->nr++;
+ retval = &list->items[list->nr++];
+ retval->string = string;
+ retval->util = NULL;
+ return retval;
+}
+
+struct string_list_item *string_list_append(struct string_list *list,
+ const char *string)
+{
+ return string_list_append_nodup(
+ list,
+ list->strdup_strings ? xstrdup(string) : (char *)string);
}
static int cmp_items(const void *a, const void *b)