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c1637a52ed
Differential Revision: https://phabricator.services.mozilla.com/D48414 --HG-- extra : moz-landing-system : lando
138 lines
3.5 KiB
C
138 lines
3.5 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/***********************************************************************
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**
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** Name: op_excl.c
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**
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** Description: Test Program to verify function of PR_EXCL open flag
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**
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** Modification History:
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** 27-Oct-1999 lth. Initial version
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***********************************************************************/
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#include <plgetopt.h>
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#include <nspr.h>
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#include <stdio.h>
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#include <stdlib.h>
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/*
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** Test harness infrastructure
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*/
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PRLogModuleInfo *lm;
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PRLogModuleLevel msgLevel = PR_LOG_NONE;
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PRIntn debug = 0;
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PRUint32 failed_already = 0;
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/* end Test harness infrastructure */
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/*
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** Emit help text for this test
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*/
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static void Help( void )
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{
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printf("op_excl: Help");
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printf("op_excl [-d]");
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printf("-d enables debug messages");
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exit(1);
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} /* end Help() */
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int main(int argc, char **argv)
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{
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PRFileDesc *fd;
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PRStatus rv;
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PRInt32 written;
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char outBuf[] = "op_excl.c test file";
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#define OUT_SIZE sizeof(outBuf)
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#define NEW_FILENAME "xxxExclNewFile"
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{
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/*
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** Get command line options
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*/
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PLOptStatus os;
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PLOptState *opt = PL_CreateOptState(argc, argv, "hd");
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while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
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{
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if (PL_OPT_BAD == os) {
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continue;
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}
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switch (opt->option)
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{
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case 'd': /* debug */
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debug = 1;
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msgLevel = PR_LOG_ERROR;
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break;
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case 'h': /* help message */
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Help();
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break;
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default:
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break;
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}
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}
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PL_DestroyOptState(opt);
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}
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lm = PR_NewLogModule("Test"); /* Initialize logging */
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/*
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** First, open a file, PR_EXCL, we believe not to exist
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*/
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fd = PR_Open( NEW_FILENAME, PR_CREATE_FILE | PR_EXCL | PR_WRONLY, 0666 );
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if ( NULL == fd ) {
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if (debug) {
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fprintf( stderr, "Open exclusive. Expected success, got failure\n");
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}
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failed_already = 1;
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goto Finished;
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}
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written = PR_Write( fd, outBuf, OUT_SIZE );
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if ( OUT_SIZE != written ) {
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if (debug) {
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fprintf( stderr, "Write after open exclusive failed\n");
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}
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failed_already = 1;
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goto Finished;
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}
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rv = PR_Close(fd);
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if ( PR_FAILURE == rv ) {
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if (debug) {
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fprintf( stderr, "Close after open exclusive failed\n");
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}
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failed_already = 1;
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goto Finished;
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}
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/*
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** Second, open the same file, PR_EXCL, expect it to fail
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*/
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fd = PR_Open( NEW_FILENAME, PR_CREATE_FILE | PR_EXCL | PR_WRONLY, 0666 );
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if ( NULL != fd ) {
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if (debug) {
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fprintf( stderr, "Open exclusive. Expected failure, got success\n");
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}
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failed_already = 1;
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PR_Close(fd);
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}
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rv = PR_Delete( NEW_FILENAME );
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if ( PR_FAILURE == rv ) {
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if (debug) {
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fprintf( stderr, "PR_Delete() failed\n");
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}
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failed_already = 1;
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}
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Finished:
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if (debug) {
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printf("%s\n", (failed_already)? "FAIL" : "PASS");
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}
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return( (failed_already == PR_TRUE )? 1 : 0 );
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} /* main() */
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/* end op_excl.c */
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