| 1 | // RUN: %clangxx %s -o %t && %run %t 2>&1 | FileCheck %s |
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| 2 | // UNSUPPORTED: android, hwasan, ubsan |
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| 3 | |
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| 4 | #include <stdio.h> |
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| 5 | #include <stdlib.h> |
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| 6 | #if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 2) |
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| 7 | #include <mcheck.h> |
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| 8 | #else |
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| 9 | #define MCHECK_OK 0 |
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| 10 | extern "C" int mcheck(void (*abortfunc)(int mstatus)); |
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| 11 | extern "C" int mcheck_pedantic(void (*abortfunc)(int mstatus)); |
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| 12 | extern "C" int mprobe(void *ptr); |
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| 13 | #endif |
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| 14 | |
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| 15 | void check_heap() { |
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| 16 | void *p = malloc(size: 1000); |
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| 17 | int res = mprobe(ptr: p); |
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| 18 | if (res == MCHECK_OK) |
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| 19 | printf(format: "Success!\n" ); |
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| 20 | free(ptr: p); |
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| 21 | } |
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| 22 | |
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| 23 | int main(int argc, char *argv[]) { |
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| 24 | void *p; |
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| 25 | if (mcheck(NULL) != 0) { |
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| 26 | fprintf(stderr, format: "mcheck() failed\n" ); |
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| 27 | exit(EXIT_FAILURE); |
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| 28 | } |
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| 29 | |
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| 30 | check_heap(); |
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| 31 | // CHECK: Success! |
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| 32 | |
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| 33 | if (mcheck_pedantic(NULL) != 0) { |
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| 34 | fprintf(stderr, format: "mcheck_pedantic() failed\n" ); |
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| 35 | exit(EXIT_FAILURE); |
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| 36 | } |
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| 37 | |
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| 38 | check_heap(); |
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| 39 | // CHECK: Success! |
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| 40 | |
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| 41 | return 0; |
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| 42 | } |
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| 43 | |
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