Use c_strcasecmp for ASCII case-insensitive comparison.

[bpt/emacs.git] / ChangeLog

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 2012-07-06  Paul Eggert  <eggert@cs.ucla.edu>
 
+       Use c_strcasecmp for ASCII case-insensitive comparison (Bug#11786).
+       This is safer than strcasecmp, which has unspecified behavior
+       outside the POSIX locale and in practice sometimes does not work
+       in multibyte locales.  Similarly for c_strncasecmp and strncasecmp.
+       * configure.in (strcasecmp, strncasecmp): Remove checks.
+       * lib/c-ctype.c, lib/c-ctype.h, lib/c-strcase.h, lib/c-strcasecmp.c:
+       * lib/c-strncasecmp.c: New files, taken from gnulib.
+       * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate.
+
        Merge from gnulib, incorporating:
        2012-07-06 timespec-sub: avoid duplicate include
        Reported by Juanma Barranquero.