diff options
Diffstat (limited to 'bin/kill/kill.c')
| -rw-r--r-- | bin/kill/kill.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/bin/kill/kill.c b/bin/kill/kill.c index 4e528cca57599..095244638c65e 100644 --- a/bin/kill/kill.c +++ b/bin/kill/kill.c @@ -66,7 +66,9 @@ static void usage(void); int main(int argc, char *argv[]) { - int errors, numsig, pid, ret; + long pidl; + pid_t pid; + int errors, numsig, ret; char *ep; if (argc < 2) @@ -137,8 +139,10 @@ main(int argc, char *argv[]) else #endif { - pid = strtol(*argv, &ep, 10); - if (!**argv || *ep) + pidl = strtol(*argv, &ep, 10); + /* Check for overflow of pid_t. */ + pid = (pid_t)pidl; + if (!**argv || *ep || pid != pidl) errx(2, "illegal process id: %s", *argv); ret = kill(pid, numsig); } |