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7f0f7929ba
- Replaced ISO Latin 1 code #160 with a plain blank space (ASCII code #32) where necessary git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15305 87f5fb63-7c3d-0410-a384-fd976d0f7a62
105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/*
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* $Id: unistd_execle.c,v 1.3 2006-08-02 06:49:47 obarthel Exp $
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*
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* :ts=4
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*
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* Portable ISO 'C' (1994) runtime library for the Amiga computer
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* Copyright (c) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Neither the name of Olaf Barthel nor the names of contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _UNISTD_HEADERS_H
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#include "unistd_headers.h"
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#endif /* _UNISTD_HEADERS_H */
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/****************************************************************************/
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/* The following is not part of the ISO 'C' (1994) standard. */
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/****************************************************************************/
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int
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execle(const char *path, const char *arg0, ...)
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{
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char ** argv = NULL;
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int result = -1;
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size_t argc = 0;
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va_list args;
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char **envp;
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/* If there are any, count the number of arguments supplied */
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if(arg0 != NULL)
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{
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argc = 1;
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va_start(args,arg0);
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while(va_arg(args,const char *) != NULL)
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argc++;
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va_end(args);
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}
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/* Allocate enough memory for the entire argument list
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plus the terminating NULL */
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argv = (char **)malloc(sizeof(*argv) * (argc + 1));
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if(argv == NULL)
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{
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__set_errno(ENOMEM);
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goto out;
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}
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va_start(args,arg0);
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if(argc > 0)
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{
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size_t i;
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argv[0] = (char *)arg0;
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for(i = 1 ; i < argc ; i++)
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argv[i] = va_arg(args,char *);
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/* Skip the NULL terminator */
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(void)va_arg(args, char **);
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}
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envp = va_arg(args, char **);
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va_end(args);
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argv[argc] = NULL;
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result = execve(path,(char * const *)argv, envp );
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out:
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if(argv != NULL)
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free(argv);
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return(result);
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}
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