The Cheat 1.2.3

[chaz/thecheat] / Searching.m

diff --git a/Searching.m b/Searching.m
index 2d1ddb585146b0eb59c384668186d8ffda6defa9..80ad0d620c8308ded91cbd5cb2669c8af6e87a5d 100644 (file)
--- a/Searching.m
+++ b/Searching.m
@@ -1,10 +1,23 @@
-//
-//  Searching.m
-//  The Cheat
-//
-//  Created by Chaz McGarvey on 12/28/04.
-//  Copyright 2004 Chaz McGarvey. All rights reserved.
-//
+
+// **********************************************************************
+// The Cheat - A universal game cheater for Mac OS X
+// (C) 2003-2005 Chaz McGarvey (BrokenZipper)
+// 
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 1, or (at your option)
+// any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// 
+
 
 #import "Searching.h"
 
@@ -151,7 +164,6 @@ int SearchIterationAgain( ThreadedTask *task, unsigned iteration )
                context->lastRegion = VMMakeRegion( context->process, *(context->lastRegionPtr), 0 );
                region = VMNextRegionWithAttributes( context->process, context->lastRegion, VMREGION_READABLE | VMREGION_WRITABLE );
                if ( VMRegionIsNotNull( region ) ) {
-                       
                        if ( context->bufferSize < VMRegionSize( region ) ) {
                                char *buf = realloc( context->buffer, VMRegionSize( region ) );
                                if ( buf ) {
@@ -170,9 +182,9 @@ int SearchIterationAgain( ThreadedTask *task, unsigned iteration )
                        top = *context->lastPerRegionPtr;
                        
                        for ( i = 0; i < top; i++ ) {
-                               
                                ptr = context->buffer + *context->lastAddressPtr - VMRegionAddress(region);
-                               if ( context->compareFunc(ptr,context->value->_value) ) {
+                               
+                               if (ptr >= context->buffer && context->compareFunc(ptr,context->value->_value)) {
                                        if ( context->numberOfResults >= TCArrayElementCount(context->addresses) ) {
                                                TCArrayResize( context->addresses, TCArrayElementCount(context->addresses) + TC_BUFFER_SIZE / sizeof(TCAddress) );
                                                context->addressPtr = (TCAddress *)TCArrayBytes(context->addresses) + context->numberOfResults;
@@ -263,7 +275,7 @@ int SearchIterationLastValue( ThreadedTask *task, unsigned iteration )
                        for ( i = 0; i < top; i++ ) {
                                
                                ptr = context->buffer + *context->lastAddressPtr - VMRegionAddress(region);
-                               if ( context->compareFunc(ptr,context->lastValuePtr) ) {
+                               if ( ptr >= context->buffer && context->compareFunc(ptr,context->lastValuePtr) ) {
                                        if ( context->numberOfResults >= TCArrayElementCount(context->addresses) ) {
                                                TCArrayResize( context->addresses, TCArrayElementCount(context->addresses) + TC_BUFFER_SIZE / sizeof(TCAddress) );
                                                context->addressPtr = (TCAddress *)TCArrayBytes(context->addresses) + context->numberOfResults;
@@ -440,7 +452,8 @@ int SearchStringIterationAgain( ThreadedTask *task, unsigned iteration )
                        for ( i = 0; i < top; i++ ) {
                                
                                ptr = context->buffer + *context->lastAddressPtr - VMRegionAddress(region);
-                               if ( memcmp( ptr, context->value->_value, MIN(TCArrayElementSize(context->values),context->buffer+VMRegionAddress(region)-ptr) ) == 0 ) {
+                               
+                               if ( ptr >= context->buffer && memcmp( ptr, context->value->_value, MIN(TCArrayElementSize(context->values),context->buffer+VMRegionAddress(region)-ptr) ) == 0 ) {
                                        if ( context->numberOfResults >= TCArrayElementCount(context->addresses) ) {
                                                TCArrayResize( context->addresses, TCArrayElementCount(context->addresses) + TC_BUFFER_SIZE / sizeof(TCAddress) );
                                                context->addressPtr = (TCAddress *)TCArrayBytes(context->addresses) + context->numberOfResults;
@@ -529,7 +542,7 @@ int SearchStringIterationLastValue( ThreadedTask *task, unsigned iteration )
                        for ( i = 0; i < top; i++ ) {
                                
                                ptr = context->buffer + *context->lastAddressPtr - VMRegionAddress(region);
-                               if ( memcmp( ptr, context->lastValuePtr, MIN(TCArrayElementSize(context->values),context->buffer+VMRegionAddress(region)-ptr) ) == 0 ) {
+                               if ( ptr >= context->buffer && memcmp( ptr, context->lastValuePtr, MIN(TCArrayElementSize(context->values),context->buffer+VMRegionAddress(region)-ptr) ) == 0 ) {
                                        if ( context->numberOfResults >= TCArrayElementCount(context->addresses) ) {
                                                TCArrayResize( context->addresses, TCArrayElementCount(context->addresses) + TC_BUFFER_SIZE / sizeof(TCAddress) );
                                                context->addressPtr = (TCAddress *)TCArrayBytes(context->addresses) + context->numberOfResults;