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Merge "Document more clearly that we don't plan on using faccessat2(2)."

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Treehugger Robot 2021-06-25 20:04:28 +00:00 committed by Gerrit Code Review
commit b4b3166d7b
1 changed files with 4 additions and 4 deletions
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libc/bionic/faccessat.cpp
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@ -48,10 +48,10 @@ int faccessat(int dirfd, const char* pathname, int mode, int flags) {
// More details at http://permalink.gmane.org/gmane.linux.lib.musl.general/6952
//
// AT_EACCESS isn't supported either. Android doesn't have setuid
// programs, and never runs code with euid!=uid. It could be
// implemented in an expensive way, following the model at
// https://gitlab.com/bminor/musl/commit/0a05eace163cee9b08571d2ff9d90f5e82d9c228
// but not worth it.
// programs, and never runs code with euid!=uid.
//
// We could use faccessat2(2) from Linux 5.8, but since we don't want the
// first feature and don't need the second, we just reject such requests.
errno = EINVAL;
return -1;
}