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util: use snprintf for PID formatting in backtrace helper

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Use snprintf to make analyziers happier and bump the buffer size to 16.
That's way larger than we'll need given the kernel's PID_MAX_LIMIT
(4194304) but it doesn't cost us anything.

Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1465>
This commit is contained in:
Peter Hutterer 2026-04-14 07:23:48 +10:00 • committed by Marge Bot
parent e32202eeae
commit 9d8a8b4530
1 changed files with 2 additions and 2 deletions
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4
src/util-backtrace.h
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@ -65,12 +65,12 @@ backtrace_print(FILE *fp,
child = fork();
if (child == 0) {
char pid[8];
char pid[16];
close(pipefd[0]);
dup2(pipefd[1], STDOUT_FILENO);
sprintf(pid, "%d", parent);
snprintf(pid, sizeof(pid), "%d", parent);
execlp("gstack", "gstack", pid, NULL);
exit(errno);