dmenu

dynamic menu
git clone git://git.suckless.org/dmenu
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commit ba1a347dcaba055f824161007dfee60db3ea785b
parent bcbc1ef5c4cf4875a4d66e7dc0919da88a6096a5
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:
Mdmenu.c | 10++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

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;