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Use pv_asprintf() to allocate fd_dir instead of having it statically sized.

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This commit is contained in:
Andrew Wood
2026-04-25 21:03:09 +01:00
parent 4854d71aa9
commit 2b1d359281
1 changed files with 11 additions and 4 deletions
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src/pv/watchpid.c
+11 -4
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@@ -471,16 +471,23 @@ int pv_watchpid_scanfds(pvstate_t state, pid_t watch_pid, int watch_fd, int *arr
return -1;
}
#else
char fd_dir[512]; /* flawfinder: ignore - zeroed, bounded with pv_snprintf(). */
nullable_string_ptr fd_dir = NULL;
DIR *dptr;
struct dirent *d;
memset(fd_dir, 0, sizeof(fd_dir));
(void) pv_snprintf(fd_dir, sizeof(fd_dir), "/proc/%u/fd", watch_pid);
if ((pv_asprintf(&fd_dir, "/proc/%u/fd", watch_pid) < 0) || (NULL == fd_dir)) {
pv_perror("%s %u", _("pid"), watch_pid);
return 2;
}
dptr = opendir(fd_dir);
if (NULL == dptr)
if (NULL == dptr) {
free(fd_dir);
return 1;
}
free(fd_dir);
fd_dir = NULL;
#endif
array_length = *array_length_ptr;