readstdin: allocate amount of items - dmenu - dynamic menu
HTML git clone git://git.suckless.org/dmenu
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
DIR commit ba1a347dcaba055f824161007dfee60db3ea785b
DIR parent bcbc1ef5c4cf4875a4d66e7dc0919da88a6096a5
HTML Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Mon, 31 Oct 2022 11:52:30 +0100
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)).
Diffstat:
M dmenu.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
---
DIR diff --git 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;