diff options
Diffstat (limited to 'lib/libc/gen/psignal.c')
| -rw-r--r-- | lib/libc/gen/psignal.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/libc/gen/psignal.c b/lib/libc/gen/psignal.c index 96eab9d45d14..b7e7ab66761a 100644 --- a/lib/libc/gen/psignal.c +++ b/lib/libc/gen/psignal.c @@ -49,13 +49,15 @@ psignal(sig, s) const char *s; { register const char *c; + register int n; if (sig < NSIG) c = sys_siglist[sig]; else c = "Unknown signal"; - if (s != NULL && *s != '\0') { - (void)write(STDERR_FILENO, s, strlen(s)); + n = strlen(s); + if (n) { + (void)write(STDERR_FILENO, s, n); (void)write(STDERR_FILENO, ": ", 2); } (void)write(STDERR_FILENO, c, strlen(c)); |