strstr, strcasestr: replace on platforms with broken memchr

[gnulib.git] / ChangeLog

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+2009-06-17  Eric Blake  <ebb9@byu.net>
+
+       strstr, strcasestr: replace on platforms with broken memchr
+       * modules/strstr: Split into...
+       * modules/strstr-simple: ...new module that does not care about
+       performance, but does care about glibc bug.
+       * m4/strstr.m4 (gl_FUNC_STRSTR): Split...
+       (gl_FUNC_STRSTR_SIMPLE): ...into new macro, which replaces strstr
+       if platform memchr is broken, per Debian bug 521737.
+       * m4/strcasestr.m4 (gl_FUNC_STRCASESTR_SIMPLE): React to broken
+       memchr.
+       * m4/memchr.m4 (gl_FUNC_MEMCHR): Only expand once.
+       * doc/posix-functions/strstr.texi (strstr): Document the fix.
+       * doc/glibc-functions/strcasestr.texi (strcasestr): Likewise.
+       * modules/mountlist (Depends-on): Add strstr-simple.
+       * modules/gen-uni-tables (Depends-on): Likewise.
+       * modules/argz (Depends-on): Add strstr.
+
 2009-06-17  Bruno Haible  <bruno@clisp.org>
 
        * modules/posix_spawn-internal (Depends-on): Add errno.