X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fmbsrchr.c;h=c505c68fe31f39d5e452b0f57f53d818da5c19c6;hb=6951841b81058b0dd883fcdeb2be31d6aa8b8658;hp=f3b280845177888e95c268e119ff3f9e1e26ad98;hpb=809b538c774eb4689227b7b4fde2ff12f7b8a54a;p=gnulib.git diff --git a/lib/mbsrchr.c b/lib/mbsrchr.c index f3b280845..c505c68fe 100644 --- a/lib/mbsrchr.c +++ b/lib/mbsrchr.c @@ -1,11 +1,11 @@ /* Searching a string for the last occurrence of a character. - Copyright (C) 2007 Free Software Foundation, Inc. + Copyright (C) 2007-2011 Free Software Foundation, Inc. Written by Bruno Haible , 2007. - This program is free software; you can redistribute it and/or modify + This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -13,44 +13,37 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + along with this program. If not, see . */ #include /* Specification. */ #include -#if HAVE_MBRTOWC -# include "mbuiter.h" -#endif +#include "mbuiter.h" /* Locate the last single-byte character C in the character string STRING, and return a pointer to it. Return NULL if C is not found in STRING. */ char * mbsrchr (const char *string, int c) { -#if HAVE_MBRTOWC if (MB_CUR_MAX > 1 /* Optimization: We know that ASCII characters < 0x30 don't occur as - part of multibyte characters longer than 1 byte. Hence, if c < 0x30, - the faster unibyte loop can be used. */ + part of multibyte characters longer than 1 byte. Hence, if c < 0x30, + the faster unibyte loop can be used. */ && (unsigned char) c >= 0x30) { const char *result = NULL; mbui_iterator_t iter; - for (mbui_init (iter, string);; mbui_advance (iter)) - { - if (mb_len (mbui_cur (iter)) == 1 - && (unsigned char) * mbui_cur_ptr (iter) == (unsigned char) c) - result = mbui_cur_ptr (iter); - if (!mbui_avail (iter)) - break; - } + for (mbui_init (iter, string); mbui_avail (iter); mbui_advance (iter)) + { + if (mb_len (mbui_cur (iter)) == 1 + && (unsigned char) * mbui_cur_ptr (iter) == (unsigned char) c) + result = mbui_cur_ptr (iter); + } return (char *) result; } else -#endif return strrchr (string, c); }