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buffer size upper bound

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This commit is contained in:
Tomke Pfoch 2023-09-06 01:18:30 +00:00
parent dd55bc06c0
commit d56cb66f34
1 changed files with 3 additions and 2 deletions
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5
terminal.c
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@ -3303,10 +3303,11 @@ term_spawn_new(const struct terminal *term)
* by reading the cwd symbolic link in /proc/<SlavePID>/cwd * by reading the cwd symbolic link in /proc/<SlavePID>/cwd
*/ */
char cwd_link[PATH_MAX]; /* cwd_link len 10 + floor(log10(2^32))+"-"+"\0" = 10 + 10 + 2 = 22 */
char cwd_link[22];
char cwd[PATH_MAX]; char cwd[PATH_MAX];
snprintf(cwd_link, PATH_MAX, "/proc/%d/cwd", term->slave); snprintf(cwd_link, sizeof(cwd_link), "/proc/%d/cwd", term->slave);
readlink(cwd_link, cwd, PATH_MAX); readlink(cwd_link, cwd, PATH_MAX);
return spawn( return spawn(