/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <errno.h>

#include "certapp-api.h"

#define CERTAPP "certapp"

typedef const char *ArgPtr;

#ifdef __LINUX__

#include <unistd.h>

#include <sys/wait.h>

#else

#include <process.h>

#endif

#ifndef BULLSEYE_OFF

#ifdef _BullseyeCoverage

#define BULLSEYE_OFF "BullseyeCoverage save off";

#define BULLSEYE_RESTORE "BullseyeCoverage restore";

#else

#define BULLSEYE_OFF 

#define BULLSEYE_RESTORE 

#endif

#endif

static const char * const OPT_PROGRESS = "--progress=";

static const char * const OPT_ERRORS = "--errors=";

int RunCertApp(const char *aProgress, const char *aErrors,

			   int argc, char **argv)

{

	int ret = -1;

BULLSEYE_OFF

	if(argc<0) abort(); // Bad argument

BULLSEYE_RESTORE

	int newArgc = argc+4;

	const char **newArgv = (const char **)malloc(sizeof(ArgPtr)*newArgc);

	const char *progFile = (aProgress) ? (aProgress) : ("-");

	const char *errorsFile = (aErrors) ? (aErrors) : ("-");

	char *progress=(char *)malloc(strlen(OPT_PROGRESS)+strlen(progFile)+1);

	strcpy(progress, OPT_PROGRESS);

	strcat(progress, progFile);

	char *errors=(char *)malloc(strlen(OPT_ERRORS)+strlen(errorsFile)+1);

	strcpy(errors, OPT_ERRORS);

	strcat(errors, errorsFile);

	newArgv[0] = CERTAPP;

	newArgv[1] = progress;

	newArgv[2] = errors;

	int i=0;

	for(i=0; i<argc; ++i)

		{

		newArgv[i+3] = argv[i];

		}

	newArgv[newArgc-1] = 0; // Terminate newArgv array

#ifdef __LINUX__

	//

	// Linux version to run certapp

	//

	pid_t pid = vfork();

	if(pid == -1)

		{

		// vfork call failed

		printf("Failed to run %s\n", CERTAPP);

		return errno;

		}

	if(pid == 0)

		{

		// Child side of vfork

		// Exec certapp

		execvp(CERTAPP, (char * const *)newArgv);

		// Only get here if the exec call failed...

		switch(errno)

			{

			case ENOENT:

				fprintf(stderr, "*** Could not find certapp executable to launch!\n");

				break;

			default:

				fprintf(stderr, "*** Failed to launch certapp, execvp called failed with error code%d !\n", errno);

				break;

			}

		exit(errno); 

		}

	// Parent side of vfork

	// Wait for certapp to finish

	for(;;)

		{

		// Block until our child to exits

		int waitStatus = waitpid(pid, &ret, 0);

		if(waitStatus == pid)

			{

			// Our child process exited and ret contains its status

			break; // Done

			}

		if(waitStatus != -1)

			{

			// Should never happen

			break;

			}

		// Decode errno

		if(errno == EINTR)

			{

			// Signal handler interrupted us - re-issue waitpid call

			continue;

			}

		// Error

		ret = errno;

		break;

		};

#else

	//

	// Windows version to run certapp

	//

	ret = _spawnvp(_P_WAIT, CERTAPP, newArgv);

#endif

	free(progress);

	free(errors);

	free(newArgv);

	return ret;

}

// End of file