[2dd068] | 1 | /* emacs edit mode for this file is -*- C -*- */ |
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[341696] | 2 | /* $Id$ */ |
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[2dd068] | 3 | |
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| 4 | #define _POSIX_SOURCE 1 |
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| 5 | |
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[9d7aaa] | 6 | #include <config.h> |
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| 7 | |
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[2dd068] | 8 | #include <stdio.h> |
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| 9 | #include <stdlib.h> |
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| 10 | #include <string.h> |
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[9d7aaa] | 11 | |
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[2dd068] | 12 | #include "memman.h" |
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| 13 | #include "mmprivate.h" |
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| 14 | |
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| 15 | #ifdef __alpha__ |
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| 16 | const size_t mm_mcbSizes [MAXLIST] = { 8, 16, 24, 32, |
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| 17 | 40, 48, 56, 64, |
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| 18 | 80, 96, 112, 128, |
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| 19 | 160, 192, 224, 256, |
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| 20 | 512, 1024 }; |
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| 21 | #else |
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| 22 | /*const*/ size_t mm_mcbSizes [MAXLIST] = { 8, 12, 16, 20, 24, 28, 32, |
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| 23 | 40, 48, 56, 64, |
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| 24 | 80, 96, 112, 128, |
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| 25 | 160, 192, 224, 256, |
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| 26 | 512, 1024 }; |
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| 27 | #endif |
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| 28 | |
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| 29 | int |
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| 30 | mmGetIndex( size_t size ) |
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| 31 | { |
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| 32 | int i; |
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| 33 | |
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| 34 | if ( size > mm_mcbSizes[MAXLIST-1] ) |
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| 35 | return -1; |
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| 36 | else { |
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| 37 | for ( i = 0; i < MAXLIST; i++ ) |
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| 38 | if ( size <= mm_mcbSizes[i] ) |
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| 39 | return i; |
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| 40 | } |
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| 41 | return MAXLIST-1; |
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| 42 | } |
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| 43 | |
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| 44 | mcb |
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| 45 | mmNewMCBList( int i ) |
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| 46 | { |
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| 47 | char* blk = (char*)mmGetBlock(); |
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| 48 | char* top; |
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| 49 | mcb dummy, p; |
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| 50 | size_t offset = mm_mcbSizes[i]; |
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| 51 | |
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| 52 | dummy = (mcb)blk; |
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| 53 | p = dummy; |
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| 54 | top = blk + MAXDATA - offset; |
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| 55 | while ( (char*)p < top ) { |
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| 56 | *p = (void*)((char*)p + offset); |
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| 57 | p = (mcb)*p; |
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| 58 | } |
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| 59 | *p = NULL; |
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| 60 | |
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| 61 | return dummy; |
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| 62 | } |
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| 63 | |
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| 64 | #ifdef MDEBUG |
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| 65 | |
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| 66 | void |
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| 67 | mmMoveDBMCB ( pDBMCB from, pDBMCB to, DBMCB * what ) |
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| 68 | { |
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| 69 | what->prev->next = what->next; |
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| 70 | if ( what->next != NULL ) |
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| 71 | what->next->prev = what->prev; |
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| 72 | what->prev = to; |
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| 73 | what->next = to->next; |
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| 74 | if (to->next!=NULL) |
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| 75 | to->next->prev=what; |
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| 76 | to->next = what; |
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| 77 | } |
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| 78 | |
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| 79 | void |
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| 80 | mmMoveDBMCBInto ( pDBMCB to, pDBMCB what ) |
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| 81 | { |
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| 82 | if (to->next !=NULL) { |
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| 83 | what->next = to->next; |
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| 84 | what->next->prev = what; |
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| 85 | } |
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| 86 | to->next = what; |
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| 87 | what->prev = to; |
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| 88 | } |
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| 89 | |
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| 90 | void |
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| 91 | mmTakeOutDBMCB ( pDBMCB from, pDBMCB what ) |
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| 92 | { |
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| 93 | what->prev->next = what->next; |
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| 94 | if ( what->next != NULL ) |
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| 95 | what->next->prev = what->prev; |
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| 96 | } |
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| 97 | |
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| 98 | int |
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| 99 | mmPrintDBMCB ( DBMCB * what, char* msg , int given_size) |
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| 100 | { |
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| 101 | DBMCB * before=NULL; |
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| 102 | (void)fprintf( stderr, "warning: %s\n", msg ); |
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| 103 | (void)fprintf( stderr, "block %x allocated in: %s, line no %d\n", |
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| 104 | (int)what, what->fname, what->lineno ); |
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| 105 | if (strcmp(msg,"size")==0) |
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| 106 | (void)fprintf( stderr, "size is: %d, but free call said %d \n", |
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| 107 | (int)what->size, given_size ); |
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| 108 | else |
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| 109 | (void)fprintf( stderr, "size is: %d\n", (int)what->size ); |
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| 110 | #ifdef MM_BEFORE |
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| 111 | { |
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| 112 | char * queue="used"; |
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| 113 | DBMCB *x=&mm_theDBused; |
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| 114 | while (x!=NULL) { |
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| 115 | if (((unsigned)x<(unsigned)what) && ((unsigned)before<(unsigned)x)) |
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| 116 | before=x; |
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| 117 | x=x->next; |
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| 118 | } |
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| 119 | x=&mm_theDBfree; |
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| 120 | while (x!=NULL) { |
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| 121 | if (((unsigned)x<(unsigned)what) && ((unsigned)before<(unsigned)x)) { |
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| 122 | before=x; |
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| 123 | queue="free"; |
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| 124 | } |
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| 125 | x=x->next; |
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| 126 | } |
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| 127 | x=before; |
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| 128 | fprintf( stderr, "previous (%s queue) at %x to %x, alloc: %s, l: %d, size:%d\n", |
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| 129 | queue,x,(unsigned)x+RealSizeFromSize(x->size),x->fname,x->lineno,x->size); |
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| 130 | } |
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| 131 | #endif |
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| 132 | return 0; |
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| 133 | } |
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| 134 | |
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| 135 | void |
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| 136 | mmTestList ( ) |
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| 137 | { |
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| 138 | DBMCB * what=mm_theDBused.next; |
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| 139 | fprintf(stderr,"list of used blocks:\n"); |
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| 140 | while (what!=NULL) { |
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| 141 | (void)fprintf( stderr, "%d bytes at %p in: %s, line no %d\n", |
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| 142 | (int)what->size, what, what->fname, what->lineno); |
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| 143 | what=what->next; |
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| 144 | } |
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| 145 | /* |
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| 146 | //what=mm_theDBfree.next; |
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| 147 | //fprintf(stderr,"list of free blocks:\n"); |
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| 148 | //while (what!=NULL) |
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| 149 | //{ |
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| 150 | // (void)fprintf( stderr, "%d bytes at %p in: %s, line no %d\n", |
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| 151 | // what->size, what, what->fname, what->lineno ); |
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| 152 | // what=what->next; |
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| 153 | // } |
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| 154 | */ |
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| 155 | } |
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| 156 | |
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| 157 | void |
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| 158 | mmPrintFL( const char* fname, const int lineno ) |
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| 159 | { |
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| 160 | (void)fprintf( stderr, "occured in %s line %d\n", fname, lineno ); |
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| 161 | } |
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| 162 | |
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| 163 | int |
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| 164 | mmCheckDBMCB ( DBMCB * what, int flags, int size ) |
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| 165 | { |
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| 166 | char * patptr; |
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| 167 | int i; |
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| 168 | |
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| 169 | if ( ((int)what % 4 ) != 0 ) { |
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| 170 | (void)fprintf( stderr, "warning: odd address" ); |
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| 171 | return 0; |
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| 172 | } |
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| 173 | if ( (void*)what > mm_maxAddr ) { |
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| 174 | (void)fprintf( stderr, "warning: address too high" ); |
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| 175 | return 0; |
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| 176 | } |
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| 177 | if ( (void*)what < mm_minAddr ) { |
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| 178 | (void)fprintf( stderr, "warning: address too low" ); |
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| 179 | return 0; |
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| 180 | } |
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| 181 | if ( ( what->flags & flags ) != flags ) |
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| 182 | return mmPrintDBMCB( what, "flags", 0 ); |
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| 183 | if ( what->size != size ) |
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| 184 | return mmPrintDBMCB( what, "size", size ); |
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| 185 | if ( what->pattern != PATTERN ) |
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| 186 | return mmPrintDBMCB( what, "front pattern", 0 ); |
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| 187 | patptr = ((char*)&what->data) + size; |
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| 188 | for ( i = 4; i > 0; i-- ) |
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| 189 | if ( *(patptr++) != PATTERN2 ) return mmPrintDBMCB( what, "back pattern", 0 ); |
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| 190 | if ( ( what->next != NULL ) && ( what->next->prev != what ) ) |
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| 191 | return mmPrintDBMCB( what, "chain:n", 0 ); |
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| 192 | if ( ( what->prev != NULL ) && ( what->prev->next != what ) ) { |
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| 193 | mmPrintDBMCB( what->prev, "prev", 0 ); |
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| 194 | return mmPrintDBMCB( what, "chain:p", 0 ); |
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| 195 | } |
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| 196 | return 1; |
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| 197 | } |
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| 198 | |
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| 199 | int |
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| 200 | mmDBTestBlock( const void* adr, const size_t size, const char * fname, const int lineno ) |
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| 201 | { |
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| 202 | DBMCB * what; |
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| 203 | |
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| 204 | if ( ( adr == NULL ) || ( size == 0 ) ) |
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| 205 | return 1; /*TRUE*/ |
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| 206 | |
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| 207 | what = (DBMCB*)((char*)(adr) - DebugOffsetFront); |
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| 208 | if ( mm_status == MM_TMP ) { |
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| 209 | if ( ! mmCheckDBMCB( what, MM_TMPFLAG | MM_USEDFLAG, size ) ) { |
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| 210 | mmPrintFL( fname, lineno ); |
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| 211 | return 0; /*FALSE*/ |
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| 212 | } |
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| 213 | } |
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| 214 | else { |
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| 215 | if ( ! mmCheckDBMCB( what, MM_NORMFLAG | MM_USEDFLAG, size ) ) { |
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| 216 | mmPrintFL( fname, lineno ); |
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| 217 | return 0; /*FALSE*/ |
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| 218 | } |
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| 219 | } |
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| 220 | return 1; /*TRUE*/ |
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| 221 | } |
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| 222 | |
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| 223 | int |
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| 224 | mmDBTest( const void* adr, const char * fname, const int lineno ) |
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| 225 | { |
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| 226 | if (adr!=NULL) { |
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| 227 | size_t l; |
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| 228 | adr = (size_t*)adr-1; |
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| 229 | l= (adr<=mm_maxAddr) ? (*(size_t*)((int)adr&(~3))) :0; |
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| 230 | return mmDBTestBlock( adr,l, fname, lineno ); |
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| 231 | } |
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| 232 | return 1; /*TRUE*/ |
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| 233 | } |
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| 234 | |
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| 235 | #endif /* MDEBUG */ |
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