[hackers] [farbfeld] Write a better format for the row-buffer allocation || FRIGN

From: <git_AT_suckless.org>
Date: Mon, 21 Mar 2016 22:55:06 +0100 (CET)

commit fdf5a2b53a7499e5860323255d914191aee7cdba
Author: FRIGN <dev_AT_frign.de>
AuthorDate: Mon Mar 21 22:54:49 2016 +0100
Commit: FRIGN <dev_AT_frign.de>
CommitDate: Mon Mar 21 22:54:49 2016 +0100

    Write a better format for the row-buffer allocation

diff --git a/ff2ppm.c b/ff2ppm.c
index 09eb346..265e317 100644
--- a/ff2ppm.c
+++ b/ff2ppm.c
_AT_@ -74,17 +74,17 @@ main(int argc, char *argv[])
                 fprintf(stderr, "%s: invalid height: zero\n", argv0);
                 return 1;
         }
+
         if (width > SIZE_MAX / ((sizeof("RGBA") - 1) * sizeof(uint16_t))) {
                 fprintf(stderr, "%s: row length integer overflow\n", argv0);
                 return 1;
         }
-
         rowlen = width * (sizeof("RGBA") - 1);
         if (!(row = malloc(rowlen * sizeof(uint16_t)))) {
                 fprintf(stderr, "%s: malloc: %s\n", argv0, strerror(errno));
                 return 1;
         }
- if (!(rowout = malloc(width * sizeof("RGB") - 1))) {
+ if (!(rowout = malloc(width * (sizeof("RGB") - 1) * sizeof(uint16_t)))) {
                 fprintf(stderr, "%s: malloc: %s\n", argv0, strerror(errno));
                 return 1;
         }
Received on Mon Mar 21 2016 - 22:55:06 CET