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/* $Id: wrapper.c 2851 2016-08-31 17:30:52Z bird $ */
/** @file
* Wrapper program for various debugging purposes.
*/
/*
* Copyright (c) 2007-2016 knut st. osmundsen <bird-kBuild-spamx@anduin.net>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Alternatively, the content of this file may be used under the terms of the
* GPL version 2 or later, or LGPL version 2.1 or later.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#ifdef _MSC_VER
# include <process.h>
#else
# include <unistd.h>
#endif
int main(int argc, char **argv, char **envp)
{
const char *pszLogTo = getenv("WRAPPER_LOGTO");
const char *pszLogFileArgs = getenv("WRAPPER_LOGFILEARGS");
const char *pszLogEnv = getenv("WRAPPER_LOGENV");
const char *pszExec = getenv("WRAPPER_EXEC");
const char *pszSigSegv = getenv("WRAPPER_SIGSEGV");
const char *pszRetVal = getenv("WRAPPER_RETVAL");
int i;
if (pszLogTo)
{
FILE *pLog = fopen(pszLogTo, "a");
if (pLog)
{
fprintf(pLog, "+++ %s pid=%ld +++\n", argv[0], (long)getpid());
for (i = 1; i < argc; i++)
{
fprintf(pLog, "argv[%d]: '%s'\n", i, argv[i]);
if (pszLogFileArgs)
{
FILE *pArg = fopen(argv[i], "r");
if (pArg)
{
int iLine = 0;
static char szLine[64*1024];
while (fgets(szLine, sizeof(szLine), pArg) && iLine++ < 42)
fprintf(pLog, "%2d: %s", iLine, szLine);
fclose(pArg);
}
}
}
if (pszLogEnv)
for (i = 0; envp[i]; i++)
fprintf(pLog, "envp[%d]: '%s'\n", i, envp[i]);
fprintf(pLog, "--- %s pid=%ld ---\n", argv[0], (long)getpid());
fclose(pLog);
}
}
if (pszSigSegv)
{
char *pchIllegal = (char *)1;
pchIllegal[0] = '\0';
}
if (pszExec)
{
/** @todo */
}
return pszRetVal ? atol(pszRetVal) : 1;
}
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