diff options
Diffstat (limited to 'hurd/hurdexec.c')
| -rw-r--r-- | hurd/hurdexec.c | 43 |
1 files changed, 11 insertions, 32 deletions
diff --git a/hurd/hurdexec.c b/hurd/hurdexec.c index 149e95ccec..7893c9177b 100644 --- a/hurd/hurdexec.c +++ b/hurd/hurdexec.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. +/* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -25,6 +25,7 @@ Cambridge, MA 02139, USA. */ #include <hurd.h> #include <hurd/fd.h> #include <hurd/signal.h> +#include <argz.h> /* Overlay TASK, executing FILE with arguments ARGV and environment ENVP. If TASK == mach_task_self (), some ports are dealloc'd by the exec server. @@ -47,36 +48,10 @@ _hurd_exec (task_t task, file_t file, struct hurd_sigstate *ss; mach_port_t *please_dealloc, *pdp; - - /* Pack the arguments into an array with nulls separating the elements. */ - argslen = 0; - if (argv != NULL) - { - p = argv; - while (*p != NULL) - argslen += strlen (*p++) + 1; - args = __alloca (argslen); - ap = args; - for (p = argv; *p != NULL; ++p) - ap = __memccpy (ap, *p, '\0', ULONG_MAX); - } - else - args = NULL; - - /* Pack the environment into an array with nulls separating elements. */ - envlen = 0; - if (envp != NULL) - { - p = envp; - while (*p != NULL) - envlen += strlen (*p++) + 1; - env = __alloca (envlen); - ap = env; - for (p = envp; *p != NULL; ++p) - ap = __memccpy (ap, *p, '\0', ULONG_MAX); - } - else - env = NULL; + if (err = __argz_create (argv, &args, &argslen)) + return err; + if (err = __argz_create (envp, &env, &envlen)) + goto outargs; /* Load up the ports to give to the new program. */ for (i = 0; i < _hurd_nports; ++i) @@ -88,7 +63,7 @@ _hurd_exec (task_t task, file_t file, { while (--i > 0) _hurd_port_free (&_hurd_ports[i], &ulink_ports[i], ports[i]); - return err; + goto outenv; } } else @@ -254,5 +229,9 @@ _hurd_exec (task_t task, file_t file, __msg_sig_post (_hurd_msgport, 0, __mach_task_self ()); } + outargs: + free (args); + outenv: + free (env); return err; } |