canonicalize: add support for not resolving symlinks

[gnulib.git] / ChangeLog

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+2011-12-29  Pádraig Brady  <P@draigBrady.com>
+
+       canonicalize: add support for not resolving symlinks
+       * lib/canonicalize.h: Add the CAN_NOLINKS flag to
+       indicate we don't want to follow symlinks.  Also
+       provide CAN_MODE_MASK to aid setting these existing
+       mutually exclusive values.
+       * lib/canonicalize.c (canonicalize_filename_mode):
+       Extract the flags from can_mode parameter, which
+       are currently just used to select between stat()
+       and lstat().  Also ensure that mutually exclusive
+       values are flagged immediately as invalid.
+       * tests/test-canonicalize.c: Verify symlinks are
+       not followed, and that invalid flag combinations
+       are diagnosed.
+
 2011-12-25  Jim Meyering  <meyering@redhat.com>
 
        gitlog-to-changelog: do not clump multi-paragraph entries