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kill: port to picky-conversion hosts

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* src/kill.c (send_signals): Don’t rely on conversion overflow
being silent.
This commit is contained in:
Paul Eggert 2022-09-17 19:41:15 -07:00
parent 728f3baa50
commit 9062704bf8
1 changed files with 3 additions and 2 deletions
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5
src/kill.c
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@ -199,9 +199,10 @@ send_signals (int signum, char *const *argv)
{
char *endp;
intmax_t n = (errno = 0, strtoimax (arg, &endp, 10));
pid_t pid = n;
pid_t pid;
if (errno == ERANGE || pid != n || arg == endp || *endp)
if (errno == ERANGE || INT_ADD_WRAPV (n, 0, &pid)
|| arg == endp || *endp)
{
error (0, 0, _("%s: invalid process id"), quote (arg));
status = EXIT_FAILURE;