Manoj Gupta 1f82d0f795 [msan] Add interceptors for Linux 64-bit stat variants
glibc >= 2.33 uses shared functions for stat family functions.
D111984 added support for non-64 bit variants but they
do not appear to be enough as we have been noticing msan
errors on 64-bit stat variants on Chrome OS.

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D121652
2022-03-15 20:22:28 -07:00

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C++

// REQUIRES: linux
// RUN: %clangxx -O0 -g %s -o %t && %run %t
#include <assert.h>
#include <stdlib.h>
#include <sys/stat.h>
int main(void) {
struct stat64 st;
assert(!lstat64("/dev/null", &st));
#if defined(__sun__) && defined(__svr4__)
assert(S_ISLNK(st.st_mode));
#else
assert(S_ISCHR(st.st_mode));
#endif
return 0;
}