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27 lines
508 B
27 lines
508 B
4 months ago
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// RUN: %clangxx_msan -O0 %s -o %t && %run %t
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#include <assert.h>
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#include <execinfo.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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__attribute__((noinline))
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void f() {
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void *buf[10];
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int sz = backtrace(buf, sizeof(buf) / sizeof(*buf));
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assert(sz > 0);
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for (int i = 0; i < sz; ++i)
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if (!buf[i])
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exit(1);
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char **s = backtrace_symbols(buf, sz);
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assert(s > 0);
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for (int i = 0; i < sz; ++i)
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printf("%d\n", (int)strlen(s[i]));
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}
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int main(void) {
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f();
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return 0;
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}
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