mirror of
https://github.com/adtools/clib2.git
synced 2025-12-08 14:59:05 +00:00
- Added preliminary versions of the exec() family functions.
git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15110 87f5fb63-7c3d-0410-a384-fd976d0f7a62
This commit is contained in:
98
library/unistd_execl.c
Normal file
98
library/unistd_execl.c
Normal file
@@ -0,0 +1,98 @@
|
||||
/*
|
||||
* $Id: unistd_execl.c,v 1.1 2006-08-01 14:27:52 obarthel Exp $
|
||||
*
|
||||
* :ts=4
|
||||
*
|
||||
* Portable ISO 'C' (1994) runtime library for the Amiga computer
|
||||
* Copyright (c) 2002-2006 by Olaf Barthel <olsen (at) sourcery.han.de>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* - Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* - Neither the name of Olaf Barthel nor the names of contributors
|
||||
* may be used to endorse or promote products derived from this
|
||||
* software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#ifndef _UNISTD_HEADERS_H
|
||||
#include "unistd_headers.h"
|
||||
#endif /* _UNISTD_HEADERS_H */
|
||||
|
||||
/****************************************************************************/
|
||||
|
||||
/* The following is not part of the ISO 'C' (1994) standard. */
|
||||
|
||||
/****************************************************************************/
|
||||
|
||||
int
|
||||
execl(const char *path, const char *arg0, ...)
|
||||
{
|
||||
char ** argv = NULL;
|
||||
int result = -1;
|
||||
size_t argc = 0;
|
||||
va_list args;
|
||||
|
||||
/* If there are any, count the number of arguments supplied */
|
||||
if(arg0 != NULL)
|
||||
{
|
||||
argc = 1;
|
||||
|
||||
va_start(args,arg0);
|
||||
|
||||
while(va_arg(args,const char *) != NULL)
|
||||
argc++;
|
||||
|
||||
va_end(args);
|
||||
}
|
||||
|
||||
/* Allocate enough memory for the entire argument list
|
||||
plus the terminating NULL */
|
||||
argv = (char **)malloc(sizeof(*argv) * (argc + 1));
|
||||
if(argv == NULL)
|
||||
{
|
||||
__set_errno(ENOMEM);
|
||||
goto out;
|
||||
}
|
||||
|
||||
if(argc > 0)
|
||||
{
|
||||
size_t i;
|
||||
|
||||
argv[0] = arg0;
|
||||
|
||||
va_start(args,arg0);
|
||||
|
||||
for(i = 1 ; i < argc ; i++)
|
||||
argv[i] = va_arg(args,const char *);
|
||||
|
||||
va_end(args);
|
||||
}
|
||||
|
||||
argv[argc] = NULL;
|
||||
|
||||
result = execve(path,(char * const *)argv, NULL /*environ*/ );
|
||||
|
||||
out:
|
||||
|
||||
if(argv != NULL)
|
||||
free(argv);
|
||||
|
||||
return(result);
|
||||
}
|
||||
Reference in New Issue
Block a user