diff options
| author |   millert <millert@openbsd.org> | 2002-01-16 01:28:54 +0000 |
|---|---|---|
| committer | millert <millert@openbsd.org> | 2002-01-16 01:28:54 +0000 |
| commit | fc8048171e0691ce3520db453b5ebfdb4f1dc5e6 (patch) | |
| tree | cd2b081daa4ea66115d5b3e0c3567d99f8144953 /lib/libc/gen/popen.c | |
| parent | Just tested a Eumitcom WL11000P in the guise of a Belkin F5D6000. (diff) | |
| download | wireguard-openbsd-fc8048171e0691ce3520db453b5ebfdb4f1dc5e6.tar.xz wireguard-openbsd-fc8048171e0691ce3520db453b5ebfdb4f1dc5e6.zip | |
Use the volatile specifier to fix warnings about variables being
clobbered by longjmp / vfork instead of the gcc "(void)&foo;" hack.
Diffstat (limited to 'lib/libc/gen/popen.c')
| -rw-r--r-- | lib/libc/gen/popen.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/lib/libc/gen/popen.c b/lib/libc/gen/popen.c index aa21ca3e957..f26612133bb 100644 --- a/lib/libc/gen/popen.c +++ b/lib/libc/gen/popen.c @@ -35,7 +35,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: popen.c,v 1.11 2002/01/02 20:18:31 deraadt Exp $"; +static char rcsid[] = "$OpenBSD: popen.c,v 1.12 2002/01/16 01:28:54 millert Exp $"; #endif /* LIBC_SCCS and not lint */ #include <sys/param.h> @@ -60,15 +60,11 @@ popen(program, type) const char *program; const char *type; { - struct pid *cur; + struct pid * volatile cur; FILE *iop; int pdes[2]; pid_t pid; -#ifdef __GNUC__ - (void)&cur; -#endif - if ((*type != 'r' && *type != 'w') || type[1] != '\0') { errno = EINVAL; return (NULL); |