12d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: %clang_msan -std=c99 -O0 -g %s -o %t && %run %t 22d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 32d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// strerror_r under a weird set of circumstances can be redirected to 42d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// __xpg_strerror_r. Test that MSan handles this correctly. 52d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 62d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#define _POSIX_C_SOURCE 200112 72d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#include <assert.h> 82d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#include <stdio.h> 92d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#include <string.h> 102d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#include <errno.h> 112d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 122d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hinesint main() { 132d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines char buf[1000]; 142d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines int res = strerror_r(EINVAL, buf, sizeof(buf)); 152d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines assert(!res); 162d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines volatile int z = strlen(buf); 172d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines return 0; 182d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines} 19