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authorHiltjo Posthuma2022-10-31 11:52:30 +0100
committerHiltjo Posthuma2022-10-31 11:52:30 +0100
commitba1a347dcaba055f824161007dfee60db3ea785b (patch)
tree3ef02a35db9f468c5c3960ab05f7d9b02d12b484
parentbcbc1ef5c4cf4875a4d66e7dc0919da88a6096a5 (diff)
readstdin: allocate amount of items
Keep track of the amount of items (not a total buffer size), allocate an array of new items. For now change BUFSIZ bytes to 256 * sizeof(struct item)).
-rw-r--r--dmenu.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/dmenu.c b/dmenu.c
index 8d96b6c..27b7a30 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -550,14 +550,16 @@ static void
readstdin(void)
{
char *line = NULL;
- size_t i, junk, size = 0;
+ size_t i, junk, itemsiz = 0;
ssize_t len;
/* read each line from stdin and add it to the item list */
for (i = 0; (len = getline(&line, &junk, stdin)) != -1; i++) {
- if (i + 1 >= size / sizeof *items)
- if (!(items = realloc(items, (size += BUFSIZ))))
- die("cannot realloc %zu bytes:", size);
+ if (i + 1 >= itemsiz) {
+ itemsiz += 256;
+ if (!(items = realloc(items, itemsiz * sizeof(*items))))
+ die("cannot realloc %zu bytes:", itemsiz * sizeof(*items));
+ }
if (line[len - 1] == '\n')
line[len - 1] = '\0';
items[i].text = line;