mm_util.h

00001 /*
00002  * $Id$
00003  *
00004  * MiniMIME - a library for handling MIME messages
00005  *
00006  * Copyright (C) 2003 Jann Fischer <rezine@mistrust.net>
00007  * All rights reserved.
00008  *
00009  * Redistribution and use in source and binary forms, with or without
00010  * modification, are permitted provided that the following conditions
00011  * are met:
00012  *
00013  * 1. Redistributions of source code must retain the above copyright
00014  *    notice, this list of conditions and the following disclaimer.
00015  * 2. Redistributions in binary form must reproduce the above copyright
00016  *    notice, this list of conditions and the following disclaimer in the
00017  *    documentation and/or other materials provided with the distribution.
00018  *
00019  * THIS SOFTWARE IS PROVIDED BY JANN FISCHER AND CONTRIBUTORS ``AS IS'' AND
00020  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00021  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00022  * ARE DISCLAIMED.  IN NO EVENT SHALL JANN FISCHER OR THE VOICES IN HIS HEAD
00023  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00024  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00025  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00026  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00027  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00028  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
00029  * THE POSSIBILITY OF SUCH DAMAGE.
00030  */
00031 #ifndef __MM_UTIL_H
00032 #define __MM_UTIL_H
00033 
00034 #define STRIP_TRAILING(str, charset) do { \
00035         size_t eos, i, hit; \
00036         for (eos = strlen(str); eos > 0; eos--) { \
00037                 hit = 0; \
00038                 for (i = 0; i <= strlen(charset); i++) { \
00039                         if (str[eos] == charset[i]) {\
00040                                 str[eos] = '\0'; \
00041                                 hit = 1; \
00042                                 break; \
00043                         } \
00044                 } \
00045                 if (!hit) \
00046                         break; \
00047         } \
00048 } while (0);
00049 
00050 #endif /* ! __MM_UTIL_H */

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