maint.mk: test further PATH_MAX issues

[pspp] / ChangeLog

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+2011-06-23  Eric Blake  <eblake@redhat.com>
+
+       maint.mk: test further PATH_MAX issues
+       * top/maint.mk (sc_prohibit_path_max_array): Rename...
+       (sc_prohibit_path_max_allocation): ...and also test alloca.
+       Suggested by Jim Meyering.
+
+2011-06-22  Eric Blake  <eblake@redhat.com>
+
+       maint.mk: add syntax-check to avoid char[PATH_MAX]
+       * top/maint.mk (sc_prohibit_path_max_array): New rule.
+
+       stat: be robust to PATH_MAX definition
+       * lib/stat.c (rpl_stat): Require reasonable PATH_MAX.
+       * modules/stat (Depends-on): Add verify.
+
+       link: work around IRIX bug
+       * m4/link.m4 (gl_FUNC_LINK): Expose the bug.
+       * lib/link.c (rpl_link): Work around it.
+       * tests/test-link.h (test_link): Enhance test.
+       * doc/posix-functions/link.texi (link): Document the bug.
+
+       getopt: silence clang warning
+       * lib/getopt.c (_getopt_internal_r): Avoid unlikely NULL
+       dereference.
+       Reported by Gustavo Martin Domato.
+
+2011-06-22  Jim Meyering  <meyering@redhat.com>
+
+       bootstrap: do not insert a blank line into each .gitignore file
+       * build-aux/bootstrap (sort_patterns): Filter out blank lines.
+
 2011-06-21  Eric Blake  <eblake@redhat.com>
 
+       perror: test for output mismatch
+       * m4/perror.m4 (gl_FUNC_PERROR): Add test, in order to replace
+       perror on IRIX.
+
+       strerror_r: fix OpenBSD behavior on out-of-range
+       * lib/strerror_r.c (strerror_r): Always use maximal string.
+       * doc/posix-functions/strerror_r.texi (strerror_r): Document it.
+
+       strerror_r: fix OpenBSD behavior on 0
+       * lib/strerror-override.c (strerror_override): Also override 0
+       when needed.
+       * lib/strerror-override.h (strerror_override): Likewise.
+       * lib/strerror.c (strerror): Simplify, now that 0 override is done
+       earlier.
+       * lib/strerror_r.c (strerror_r): Likewise.
+       * m4/strerror.m4 (gl_FUNC_STRERROR): Split detection of 0
+       behavior...
+       (gl_FUNC_STRERROR_0): ...into new macro.
+       * m4/strerror_r.m4 (gl_FUNC_STRERROR_R): Replace strerror_r if 0
+       is overridden.
+       (gl_FUNC_STRERROR_R_WORKS): Avoid extra tests if 0 is broken.
+       * modules/strerror-override (Files): Add strerror.m4.
+       (configure.ac): Also provide override for 0 when needed.
+       * doc/posix-functions/strerror.texi (strerror): Document this.
+       * doc/posix-functions/perror.texi (perror): Likewise.
+
        perror: adjust array size
        * modules/perror (Depends-on): Add strerror-override.
        * lib/perror.c (perror): Use it to avoid magic number.