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-rw-r--r--hurd/hurdexec.c43
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;
}