When .. is in the source path and the path prefix exists but is not a directory, return ENOTDIR instead of ENOENT. This fixes a failing gnulib test of realpath(3).
Addresses: https://lists.gnu.org/archive/html/bug-gnulib/2021-01/msg00214.html --- winsup/cygwin/path.cc | 4 +++- winsup/cygwin/release/3.2.0 | 4 ++++ 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc index abd3687df..6dc162806 100644 --- a/winsup/cygwin/path.cc +++ b/winsup/cygwin/path.cc @@ -323,8 +323,10 @@ normalize_posix_path (const char *src, char *dst, char *&tail) if (!tp.check_usage (4, 3)) return ELOOP; path_conv head (dst, PC_SYM_FOLLOW | PC_POSIX); - if (!head.isdir()) + if (!head.exists ()) return ENOENT; + if (!head.isdir ()) + return ENOTDIR; /* At this point, dst is a normalized path. If the normalized path created by path_conv does not match the normalized path we're just testing, then diff --git a/winsup/cygwin/release/3.2.0 b/winsup/cygwin/release/3.2.0 index c18a848de..43725cec2 100644 --- a/winsup/cygwin/release/3.2.0 +++ b/winsup/cygwin/release/3.2.0 @@ -48,3 +48,7 @@ Bug Fixes - Fix a bug in fstatat(2) on 32 bit that could cause it to return garbage. Addresses: https://cygwin.com/pipermail/cygwin/2021-January/247399.html + +- Fix the errno when a path contains .. and the prefix exists but is + not a directory. + Addresses: https://lists.gnu.org/archive/html/bug-gnulib/2021-01/msg00214.html -- 2.30.0
