166 lines
3.8 KiB
C++
166 lines
3.8 KiB
C++
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#include <stdio.h>
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#ifdef AZTEC86
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#include <stdlib.h>
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#endif
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#ifdef HISOFTC
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#include <stdlib.h>
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#endif
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#ifdef WATCOM
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#include <malloc.h>
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#include <process.h>
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#endif
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#ifdef powerc
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#define allocs 50
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#else
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#ifdef HISOFTC
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#define allocs 66 /* not enough RAM with hisoft to go higher */
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#else
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/* most c runtimes work up to 69, but use 66 to have a consistent benchmark */
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#define allocs 66
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#endif
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#endif
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int logging = 1;
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char * memset_x( p, v, c ) char * p; int v; int c;
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{
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unsigned char * pc = (unsigned char *) p;
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unsigned char val = (unsigned char) ( v & 0xff );
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int i;
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if ( 0 == p )
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{
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printf( "request to memset a null pointer\n" );
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exit( 1 );
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}
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if ( logging )
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#ifdef CPMTIME
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printf( " memset p %u, v %d, val %x, c %d\n", p, v, val, c );
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#else
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#ifdef HISOFTC
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printf( " memset p %u, v %d, val %x, c %d\n", p, v, val, c );
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#else
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printf( " memset p %p, v %d, val %x, c %d\n", p, v, val, c );
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#endif
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#endif
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for ( i = 0; i < c; i++ )
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*pc++ = val;
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return p;
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}
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void chkmem( p, v, c ) char * p; int v; int c;
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{
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unsigned char * pc = (unsigned char *) p;
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unsigned char val = (unsigned char) ( v & 0xff );
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int i;
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if ( 0 == p )
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{
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printf( "request to chkmem a null pointer\n" );
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exit( 1 );
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}
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for ( i = 0; i < c; i++ )
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{
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if ( *pc != val )
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{
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#ifdef CPMTIME
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printf( "memory isn't as expected! p %u, v %d, c %d, *pc %d\n",p, v, c, *pc );
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#else
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printf( "memory isn't as expected! p %p, v %d, c %d, *pc %d\n",p, v, c, *pc );
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#endif
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exit( 1 );
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}
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pc++;
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}
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}
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int main( argc, argv ) int argc; char * argv[];
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{
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int i, cb, c_cb, j;
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char * pc;
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char * ap[ allocs ];
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logging = ( argc > 1 );
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pc = argv[ 0 ]; /* evade compiler warning */
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for ( j = 0; j < 10; j++ )
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{
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if ( logging )
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printf( "in alloc mode\n" );
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for ( i = 0; i < allocs; i++ )
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{
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cb = 8 + ( i * 10 );
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c_cb = cb + 5;
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if ( logging )
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printf( " i, cb: %d %d\n", i, cb );
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pc = (char *) calloc( c_cb, 1 );
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chkmem( pc, 0, c_cb );
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memset_x( pc, 0xcc, c_cb );
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ap[ i ] = (char *) malloc( cb );
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memset_x( ap[ i ], 0xaa, cb );
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chkmem( pc, 0xcc, c_cb );
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free( pc );
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}
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if ( logging )
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printf( "in free mode, even first\n" );
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for ( i = 0; i < allocs; i += 2 )
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{
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cb = 8 + ( i * 10 );
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c_cb = cb + 3;
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if ( logging )
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printf( " i, cb: %d %d\n", i, cb );
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pc = (char *) calloc( c_cb, 1 );
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chkmem( pc, 0, c_cb );
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memset_x( pc, 0xcc, c_cb );
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chkmem( ap[ i ], 0xaa, cb );
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memset_x( ap[ i ], 0xff, cb );
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free( ap[ i ] );
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chkmem( pc, 0xcc, c_cb );
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free( pc );
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}
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if ( logging )
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printf( "in free mode, now odd\n" );
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for ( i = 1; i < allocs; i += 2 )
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{
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cb = 8 + ( i * 10 );
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c_cb = cb + 7;
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if ( logging )
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printf( " i, cb: %d %d\n", i, cb );
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pc = (char *) calloc( c_cb, 1 );
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chkmem( pc, 0, c_cb );
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memset_x( pc, 0xcc, c_cb );
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chkmem( ap[ i ], 0xaa, cb );
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memset_x( ap[ i ], 0xff, cb );
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free( ap[ i ] );
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chkmem( pc, 0xcc, c_cb );
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free( pc );
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}
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}
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printf( "success\n" );
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return 0;
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}
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