llvm-project/compiler-rt/test/msan/getutent.cpp

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// RUN: %clangxx_msan -O0 -g %s -o %t && %run %t
#ifndef __FreeBSD__
#include <utmp.h>
#endif
#include <utmpx.h>
#include <sanitizer/msan_interface.h>
int main(void) {
#ifndef __FreeBSD__
setutent();
while (struct utmp *ut = getutent())
__msan_check_mem_is_initialized(ut, sizeof(*ut));
endutent();
#endif
setutxent();
while (struct utmpx *utx = getutxent())
__msan_check_mem_is_initialized(utx, sizeof(*utx));
endutxent();
}