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| author |   matthew <matthew@openbsd.org> | 2012-03-21 23:20:35 +0000 |
|---|---|---|
| committer | matthew <matthew@openbsd.org> | 2012-03-21 23:20:35 +0000 |
| commit | 5365c52e4979f2bb5402a87f68de42772e8cef67 (patch) | |
| tree | 74c067df4ba4cb562204fe9ddd9b12735b2d89bd /lib/libc/gen/exec.c | |
| parent | Update list of cancellation points to reflect what was in 5.1's uthreads (diff) | |
| download | wireguard-openbsd-5365c52e4979f2bb5402a87f68de42772e8cef67.tar.xz wireguard-openbsd-5365c52e4979f2bb5402a87f68de42772e8cef67.zip | |
Implement execvpe(3) and posix_spawn(3) and family. Based on
FreeBSD's implementation via Frank Denis, with various cleanups and
tweaks by me.
ok deraadt@, guenther@; discussions and tweaks from many others
jmc@ promises to help me further with the man pages in tree
Diffstat (limited to 'lib/libc/gen/exec.c')
| -rw-r--r-- | lib/libc/gen/exec.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/lib/libc/gen/exec.c b/lib/libc/gen/exec.c index 08f8153064a..0bd0b58fdbb 100644 --- a/lib/libc/gen/exec.c +++ b/lib/libc/gen/exec.c @@ -1,4 +1,4 @@ -/* $OpenBSD: exec.c,v 1.18 2005/08/08 08:05:34 espie Exp $ */ +/* $OpenBSD: exec.c,v 1.19 2012/03/21 23:20:35 matthew Exp $ */ /*- * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. @@ -121,14 +121,14 @@ execlp(const char *name, const char *arg, ...) } int -execv(const char *name, char * const *argv) +execv(const char *name, char *const *argv) { (void)execve(name, argv, environ); return (-1); } int -execvp(const char *name, char * const *argv) +execvpe(const char *name, char *const *argv, char *const *envp) { char **memp; int cnt, lp, ln, len; @@ -197,7 +197,7 @@ execvp(const char *name, char * const *argv) bcopy(name, buf + lp + 1, ln); buf[lp + ln + 1] = '\0'; -retry: (void)execve(bp, argv, environ); +retry: (void)execve(bp, argv, envp); switch(errno) { case E2BIG: goto done; @@ -215,7 +215,7 @@ retry: (void)execve(bp, argv, environ); memp[0] = "sh"; memp[1] = bp; bcopy(argv + 1, memp + 2, cnt * sizeof(char *)); - (void)execve(_PATH_BSHELL, memp, environ); + (void)execve(_PATH_BSHELL, memp, envp); goto done; case ENOMEM: goto done; @@ -240,3 +240,10 @@ retry: (void)execve(bp, argv, environ); done: return (-1); } + +int +execvp(const char *name, char *const *argv) +{ + return execvpe(name, argv, environ); +} + |