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36 lines
1.1 KiB
36 lines
1.1 KiB
3 months ago
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/*
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* UCW Library -- Character Conversion with Allocation on the Stack
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*
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* (c) 2006 Pavel Charvat <pchar@ucw.cz>
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*
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* This software may be freely distributed and used according to the terms
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* of the GNU Lesser General Public License.
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*/
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#ifndef _CHARSET_STK_CHARCONV_H
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#define _CHARSET_STK_CHARCONV_H
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#include <charset/charconv.h>
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#include <alloca.h>
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#ifdef CONFIG_UCW_CLEAN_ABI
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#define stk_strconv_init ucw_stk_strconv_init
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#define stk_strconv_step ucw_stk_strconv_step
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#endif
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/* The following macros convert strings between given charsets (CONV_CHARSET_x). */
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#define stk_strconv(s, cs_in, cs_out) \
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({ struct conv_context _c; uint _l=stk_strconv_init(&_c, (s), (cs_in), (cs_out)); \
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while (_l) _l=stk_strconv_step(&_c, alloca(_l), _l); _c.dest_start; })
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#define stk_strconv_to_utf8(s, cs_in) stk_strconv(s, cs_in, CONV_CHARSET_UTF8)
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#define stk_strconv_from_utf8(s, cs_out) stk_strconv(s, CONV_CHARSET_UTF8, cs_out)
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/* Internals */
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uint stk_strconv_init(struct conv_context *c, const byte *s, uint cs_in, uint cs_out);
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uint stk_strconv_step(struct conv_context *c, byte *buf, uint len);
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#endif
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