1 2 /* Check some aspects of the use of the 3 VALGRIND_ENABLE_ADDR_ERROR_REPORTING_IN_RANGE and 4 VALGRIND_DISABLE_ADDR_ERROR_REPORTING_IN_RANGE macros. */ 5 6 #include <stdio.h> 7 #include <stdlib.h> 8 9 #include "../memcheck.h" 10 11 int main ( void ) 12 { 13 volatile int* volatile mem 14 = (volatile int* volatile)malloc(1000 * sizeof(int)); 15 free((void*)mem); 16 17 // Check that we get an invalid access complaint 18 fprintf(stderr, "\nDoing invalid access. Expect complaint.\n\n"); 19 mem[123] = 0; 20 21 // Now disable error reporting in the range 22 fprintf(stderr, "\nDisabling address error reporting for the range.\n\n"); 23 VALGRIND_DISABLE_ADDR_ERROR_REPORTING_IN_RANGE(mem, 1000 * sizeof(int)); 24 25 // Check that we get an invalid access complaint 26 fprintf(stderr, "\nDoing invalid another access. Expect no complaint.\n\n"); 27 mem[456] = 0; 28 29 // Re-enable reporting on the first byte of one word from the ignore range 30 fprintf(stderr, "\nPartially reenabling address error reporting.\n\n"); 31 VALGRIND_ENABLE_ADDR_ERROR_REPORTING_IN_RANGE(&mem[789], 1); 32 33 // Check that we get an invalid access complaint 34 fprintf(stderr, "\nDoing a third access. Expect complaint.\n\n"); 35 mem[789] = 0; 36 37 // And now quit and expect to see a warning about two remaining ranges 38 fprintf(stderr, "\nExiting. Expect warnings of 2 remaining ranges.\n\n"); 39 40 return 0; 41 } 42
