Date: Tue, 22 Nov 2011 00:49:13 +0100 From: Szabolcs Nagy <nsz@...t70.net> To: musl@...ts.openwall.com Subject: realpath of nonreadable files i guess this is known but i'll note it anyway: realpath opens the filename so if we have no read permission to the last component the call will fail with EACCES this is not consistent with glibc which walks the path and stats along the way so only fails if an intermediate path component is not readable or not searchable musl seems to be posix compliant, but the spec is not very clear http://pubs.opengroup.org/onlinepubs/9699919799/functions/realpath.html eg compared to stat where 'path prefix' is explicitly specified http://pubs.opengroup.org/onlinepubs/9699919799/functions/stat.html is it a glibc bug? posix bug? maybe add a comment about this in realpath.c?
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