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348 lines
8.8 KiB
C
348 lines
8.8 KiB
C
/* -*- 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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**
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** Name: dbmalloc.c
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**
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** Description: Testing malloc (OBSOLETE)
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**
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** Modification History:
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** 14-May-97 AGarcia- Converted the test to accomodate the debug_mode flag.
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** The debug mode will print all of the printfs associated with this test.
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** The regress mode will be the default mode. Since the regress tool limits
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** the output to a one line status:PASS or FAIL,all of the printf statements
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** have been handled with an if (debug_mode) statement.
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***********************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <string.h>
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#include "nspr.h"
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void
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usage
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(
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void
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)
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{
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fprintf(stderr, "Usage: dbmalloc ('-m'|'-s') '-f' num_fails ('-d'|'-n') filename [...]\n");
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exit(0);
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}
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typedef struct node_struct
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{
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struct node_struct *next, *prev;
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int line;
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char value[4];
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}
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node_t,
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*node_pt;
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node_pt get_node(const char *line)
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{
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node_pt rv;
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int l = strlen(line);
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rv = (node_pt)PR_MALLOC(sizeof(node_t) + l + 1 - 4);
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if( (node_pt)0 == rv ) return (node_pt)0;
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memcpy(&rv->value[0], line, l+1);
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rv->next = rv->prev = (node_pt)0;
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return rv;
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}
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void
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dump
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(
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const char *name,
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node_pt node,
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int mf,
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int debug
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)
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{
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if( (node_pt)0 != node->prev ) dump(name, node->prev, mf, debug);
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if( 0 != debug ) printf("[%s]: %6d: %s", name, node->line, node->value);
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if( node->line == mf ) fprintf(stderr, "[%s]: Line %d was allocated!\n", name, node->line);
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if( (node_pt)0 != node->next ) dump(name, node->next, mf, debug);
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return;
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}
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void
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release
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(
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node_pt node
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)
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{
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if( (node_pt)0 != node->prev ) release(node->prev);
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if( (node_pt)0 != node->next ) release(node->next);
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PR_DELETE(node);
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}
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int
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t2
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(
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const char *name,
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int mf,
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int debug
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)
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{
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int rv;
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FILE *fp;
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int l = 0;
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node_pt head = (node_pt)0;
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char buffer[ BUFSIZ ];
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fp = fopen(name, "r");
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if( (FILE *)0 == fp )
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{
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fprintf(stderr, "[%s]: Cannot open \"%s.\"\n", name, name);
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return -1;
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}
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/* fgets mallocs a buffer, first time through. */
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if( (char *)0 == fgets(buffer, BUFSIZ, fp) )
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{
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fprintf(stderr, "[%s]: \"%s\" is empty.\n", name, name);
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(void)fclose(fp);
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return -1;
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}
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rewind(fp);
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if( PR_SUCCESS != PR_ClearMallocCount() )
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{
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fprintf(stderr, "[%s]: Cannot clear malloc count.\n", name);
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(void)fclose(fp);
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return -1;
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}
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if( PR_SUCCESS != PR_SetMallocCountdown(mf) )
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{
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fprintf(stderr, "[%s]: Cannot set malloc countdown to %d\n", name, mf);
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(void)fclose(fp);
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return -1;
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}
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while( fgets(buffer, BUFSIZ, fp) )
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{
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node_pt n;
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node_pt *w = &head;
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if( (strlen(buffer) == (BUFSIZ-1)) && (buffer[BUFSIZ-2] != '\n') )
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buffer[BUFSIZ-2] == '\n';
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l++;
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n = get_node(buffer);
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if( (node_pt)0 == n )
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{
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printf("[%s]: Line %d: malloc failure!\n", name, l);
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continue;
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}
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n->line = l;
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while( 1 )
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{
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int comp;
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if( (node_pt)0 == *w )
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{
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*w = n;
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break;
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}
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comp = strcmp((*w)->value, n->value);
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if( comp < 0 ) w = &(*w)->next;
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else w = &(*w)->prev;
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}
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}
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(void)fclose(fp);
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dump(name, head, mf, debug);
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rv = PR_GetMallocCount();
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PR_ClearMallocCountdown();
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release(head);
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return rv;
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}
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int nf = 0;
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int debug = 0;
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void
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test
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(
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const char *name
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)
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{
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int n, i;
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extern int nf, debug;
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printf("[%s]: starting test 0\n", name);
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n = t2(name, 0, debug);
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if( -1 == n ) return;
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printf("[%s]: test 0 had %ld allocations.\n", name, n);
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if( 0 >= n ) return;
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for( i = 0; i < nf; i++ )
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{
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int which = rand() % n;
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if( 0 == which ) printf("[%s]: starting test %d -- no allocation should fail\n", name, i+1);
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else printf("[%s]: starting test %d -- allocation %d should fail\n", name, i+1, which);
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(void)t2(name, which, debug);
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printf("[%s]: test %d done.\n", name, i+1);
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}
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return;
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}
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int
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main
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(
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int argc,
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char *argv[]
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)
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{
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int okay = 0;
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int multithread = 0;
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struct threadlist
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{
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struct threadlist *next;
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PRThread *thread;
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}
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*threadhead = (struct threadlist *)0;
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extern int nf, debug;
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srand(time(0));
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PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
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PR_STDIO_INIT();
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printf("[main]: We %s using the debugging malloc.\n",
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PR_IsDebuggingMalloc() ? "ARE" : "ARE NOT");
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while( argv++, --argc )
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{
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if( '-' == argv[0][0] )
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{
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switch( argv[0][1] )
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{
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case 'f':
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nf = atoi(argv[0][2] ? &argv[0][2] :
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--argc ? *++argv : "0");
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break;
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case 'd':
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debug = 1;
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break;
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case 'n':
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debug = 0;
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break;
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case 'm':
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multithread = 1;
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break;
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case 's':
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multithread = 0;
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break;
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default:
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usage();
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break;
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}
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}
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else
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{
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FILE *fp = fopen(*argv, "r");
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if( (FILE *)0 == fp )
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{
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fprintf(stderr, "Cannot open \"%s.\"\n", *argv);
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continue;
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}
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okay++;
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(void)fclose(fp);
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if( multithread )
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{
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struct threadlist *n;
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n = (struct threadlist *)malloc(sizeof(struct threadlist));
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if( (struct threadlist *)0 == n )
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{
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fprintf(stderr, "This is getting tedious. \"%s\"\n", *argv);
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continue;
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}
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n->next = threadhead;
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n->thread = PR_CreateThread(PR_USER_THREAD, (void (*)(void *))test,
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*argv, PR_PRIORITY_NORMAL,
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PR_LOCAL_THREAD, PR_JOINABLE_THREAD,
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0);
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if( (PRThread *)0 == n->thread )
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{
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fprintf(stderr, "Can't create thread for \"%s.\"\n", *argv);
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continue;
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}
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else
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{
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threadhead = n;
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}
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}
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else
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{
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test(*argv);
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}
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}
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}
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if( okay == 0 ) usage();
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else while( (struct threadlist *)0 != threadhead )
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{
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struct threadlist *x = threadhead->next;
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(void)PR_JoinThread(threadhead->thread);
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PR_DELETE(threadhead);
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threadhead = x;
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}
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return 0;
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}
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