unistr/u8-strstr, unistr/u16-strstr: Optimize the one-character case.

[gnulib.git] / ChangeLog

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 2010-07-31  Bruno Haible  <bruno@clisp.org>
 
+       unistr/u8-strstr, unistr/u16-strstr: Optimize the one-character case.
+       * lib/unistr/u-strstr.h (FUNC): When the needle contains only one
+       character, perform the search using U_STRCHR.
+       * lib/unistr/u8-strstr.c (U_STRMBTOUC): New macro.
+       * lib/unistr/u16-strstr.c (U_STRMBTOUC): Likewise.
+       * modules/unistr/u8-strstr (Depends-on): Add unistr/u8-strmbtouc.
+       * modules/unistr/u16-strstr (Depends-on): Add unistr/u16-strmbtouc.
+       Suggested by Paolo Bonzini.
+
+2010-07-31  Bruno Haible  <bruno@clisp.org>
+
        unistr/u*-strstr: Fix dependencies.
        * modules/unistr/u8-strstr (Depends-on): Add unistr/u8-strchr.
        * modules/unistr/u16-strstr (Depends-on): Add unistr/u16-strchr.