forked from OSchip/llvm-project
43 lines
870 B
C++
43 lines
870 B
C++
// RUN: %clangxx %s -o %t && %run %t 2>&1 | FileCheck %s
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// UNSUPPORTED: android, ubsan
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#include <stdio.h>
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#include <stdlib.h>
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#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 2)
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#include <mcheck.h>
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#else
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#define MCHECK_OK 0
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extern "C" int mcheck(void (*abortfunc)(int mstatus));
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extern "C" int mcheck_pedantic(void (*abortfunc)(int mstatus));
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extern "C" int mprobe(void *ptr);
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#endif
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void check_heap() {
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void *p = malloc(1000);
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int res = mprobe(p);
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if (res == MCHECK_OK)
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printf("Success!\n");
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free(p);
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}
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int main(int argc, char *argv[]) {
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void *p;
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if (mcheck(NULL) != 0) {
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fprintf(stderr, "mcheck() failed\n");
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exit(EXIT_FAILURE);
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}
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check_heap();
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// CHECK: Success!
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if (mcheck_pedantic(NULL) != 0) {
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fprintf(stderr, "mcheck_pedantic() failed\n");
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exit(EXIT_FAILURE);
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}
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check_heap();
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// CHECK: Success!
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return 0;
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}
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