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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/***********************************************************************
**
** Name: op_excl.c
**
** Description: Test Program to verify function of PR_EXCL open flag
**
** Modification History:
** 27-Oct-1999 lth. Initial version
***********************************************************************/
#include <plgetopt.h>
#include <nspr.h>
#include <stdio.h>
#include <stdlib.h>
/*
** Test harness infrastructure
*/
PRLogModuleInfo *lm;
PRLogModuleLevel msgLevel = PR_LOG_NONE;
PRIntn debug = 0;
PRUint32 failed_already = 0;
/* end Test harness infrastructure */
/*
** Emit help text for this test
*/
static void Help( void )
{
printf("op_excl: Help");
printf("op_excl [-d]");
printf("-d enables debug messages");
exit(1);
} /* end Help() */
int main(int argc, char **argv)
{
PRFileDesc *fd;
PRStatus rv;
PRInt32 written;
char outBuf[] = "op_excl.c test file";
#define OUT_SIZE sizeof(outBuf)
#define NEW_FILENAME "xxxExclNewFile"
{
/*
** Get command line options
*/
PLOptStatus os;
PLOptState *opt = PL_CreateOptState(argc, argv, "hd");
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
if (PL_OPT_BAD == os) continue;
switch (opt->option)
{
case 'd': /* debug */
debug = 1;
msgLevel = PR_LOG_ERROR;
break;
case 'h': /* help message */
Help();
break;
default:
break;
}
}
PL_DestroyOptState(opt);
}
lm = PR_NewLogModule("Test"); /* Initialize logging */
/*
** First, open a file, PR_EXCL, we believe not to exist
*/
fd = PR_Open( NEW_FILENAME, PR_CREATE_FILE | PR_EXCL | PR_WRONLY, 0666 );
if ( NULL == fd ) {
if (debug) fprintf( stderr, "Open exclusive. Expected success, got failure\n");
failed_already = 1;
goto Finished;
}
written = PR_Write( fd, outBuf, OUT_SIZE );
if ( OUT_SIZE != written ) {
if (debug) fprintf( stderr, "Write after open exclusive failed\n");
failed_already = 1;
goto Finished;
}
rv = PR_Close(fd);
if ( PR_FAILURE == rv ) {
if (debug) fprintf( stderr, "Close after open exclusive failed\n");
failed_already = 1;
goto Finished;
}
/*
** Second, open the same file, PR_EXCL, expect it to fail
*/
fd = PR_Open( NEW_FILENAME, PR_CREATE_FILE | PR_EXCL | PR_WRONLY, 0666 );
if ( NULL != fd ) {
if (debug) fprintf( stderr, "Open exclusive. Expected failure, got success\n");
failed_already = 1;
PR_Close(fd);
}
rv = PR_Delete( NEW_FILENAME );
if ( PR_FAILURE == rv ) {
if (debug) fprintf( stderr, "PR_Delete() failed\n");
failed_already = 1;
}
Finished:
if (debug) printf("%s\n", (failed_already)? "FAIL" : "PASS");
return( (failed_already == PR_TRUE )? 1 : 0 );
} /* main() */
/* end op_excl.c */
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