mirror of
https://github.com/rn10950/RetroZilla.git
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159 lines
5.5 KiB
C
159 lines
5.5 KiB
C
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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** File: append.c
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** Description: Testing File writes where PR_APPEND was used on open
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**
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** append attempts to verify that a file opened with PR_APPEND
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** will always append to the end of file, regardless where the
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** current file pointer is positioned. To do this, PR_Seek() is
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** called before each write with the position set to beginning of
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** file. Subsequent writes should always append.
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** The file is read back, summing the integer data written to the
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** file. If the expected result is equal, the test passes.
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**
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** See BugSplat: 4090
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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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PRIntn debug = 0;
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PRIntn verbose = 0;
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PRBool failedAlready = PR_FALSE;
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const PRInt32 addedBytes = 1000;
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const PRInt32 buf = 1; /* constant written to fd, addedBytes times */
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PRInt32 inBuf; /* read it back into here */
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PRIntn main(PRIntn argc, char *argv[])
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{
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PRStatus rc;
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PRInt32 rv;
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PRFileDesc *fd;
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PRIntn i;
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PRInt32 sum = 0;
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{ /* Get command line options */
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PLOptStatus os;
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PLOptState *opt = PL_CreateOptState(argc, argv, "vd");
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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) continue;
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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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break;
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case 'v': /* verbose */
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verbose = 1;
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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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} /* end block "Get command line options" */
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/* ---------------------------------------------------------------------- */
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fd = PR_Open( "/tmp/nsprAppend", (PR_APPEND | PR_CREATE_FILE | PR_TRUNCATE | PR_WRONLY), 0666 );
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if ( NULL == fd ) {
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if (debug) printf("PR_Open() failed for writing: %d\n", PR_GetError());
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failedAlready = PR_TRUE;
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goto Finished;
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}
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for ( i = 0; i < addedBytes ; i++ ) {
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rv = PR_Write( fd, &buf, sizeof(buf));
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if ( sizeof(buf) != rv ) {
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if (debug) printf("PR_Write() failed: %d\n", PR_GetError());
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failedAlready = PR_TRUE;
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goto Finished;
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}
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rv = PR_Seek( fd, 0 , PR_SEEK_SET );
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if ( -1 == rv ) {
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if (debug) printf("PR_Seek() failed: %d\n", PR_GetError());
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failedAlready = PR_TRUE;
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goto Finished;
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}
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}
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rc = PR_Close( fd );
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if ( PR_FAILURE == rc ) {
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if (debug) printf("PR_Close() failed after writing: %d\n", PR_GetError());
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failedAlready = PR_TRUE;
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goto Finished;
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}
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/* ---------------------------------------------------------------------- */
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fd = PR_Open( "/tmp/nsprAppend", PR_RDONLY, 0 );
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if ( NULL == fd ) {
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if (debug) printf("PR_Open() failed for reading: %d\n", PR_GetError());
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failedAlready = PR_TRUE;
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goto Finished;
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}
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for ( i = 0; i < addedBytes ; i++ ) {
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rv = PR_Read( fd, &inBuf, sizeof(inBuf));
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if ( sizeof(inBuf) != rv) {
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if (debug) printf("PR_Write() failed: %d\n", PR_GetError());
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failedAlready = PR_TRUE;
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goto Finished;
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}
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sum += inBuf;
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}
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rc = PR_Close( fd );
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if ( PR_FAILURE == rc ) {
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if (debug) printf("PR_Close() failed after reading: %d\n", PR_GetError());
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failedAlready = PR_TRUE;
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goto Finished;
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}
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if ( sum != addedBytes ) {
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if (debug) printf("Uh Oh! addedBytes: %d. Sum: %d\n", addedBytes, sum);
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failedAlready = PR_TRUE;
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goto Finished;
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}
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/* ---------------------------------------------------------------------- */
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Finished:
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if (debug || verbose) printf("%s\n", (failedAlready)? "FAILED" : "PASSED" );
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return( (failedAlready)? 1 : 0 );
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} /* main() */
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/* append.c */
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