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libiconv

    1: /* Copyright (C) 1999-2001 Bruno Haible.
    2:    This file is not part of the GNU LIBICONV Library.
    3:    This file is put into the public domain.  */
    4: 
    5: /*
    6:  * This C function converts an entire string from one encoding to another,
    7:  * using iconv. Easier to use than iconv() itself, and supports autodetect
    8:  * encodings on input.
    9:  *
   10:  *   int iconv_string (const char* tocode, const char* fromcode,
   11:  *                     const char* start, const char* end,
   12:  *                     char** resultp, size_t* lengthp)
   13:  *
   14:  * Converts a memory region given in encoding FROMCODE to a new memory
   15:  * region in encoding TOCODE. FROMCODE and TOCODE are as for iconv_open(3),
   16:  * except that FROMCODE may be one of the values
   17:  *    "autodetect_utf8"          supports ISO-8859-1 and UTF-8
   18:  *    "autodetect_jp"            supports EUC-JP, ISO-2022-JP-2 and SHIFT_JIS
   19:  *    "autodetect_kr"            supports EUC-KR and ISO-2022-KR
   20:  * The input is in the memory region between start (inclusive) and end
   21:  * (exclusive). If resultp is not NULL, the output string is stored in
   22:  * *resultp; malloc/realloc is used to allocate the result.
   23:  *
   24:  * This function does not treat zero characters specially.
   25:  *
   26:  * Return value: 0 if successful, otherwise -1 and errno set. Particular
   27:  * errno values: EILSEQ and ENOMEM.
   28:  *
   29:  * Example:
   30:  *   const char* s = ...;
   31:  *   char* result = NULL;
   32:  *   if (iconv_string("UCS-4-INTERNAL", "autodetect_utf8",
   33:  *                    s, s+strlen(s)+1, &result, NULL) < 0)
   34:  *     perror("iconv_string");
   35:  *
   36:  */
   37: #include <stddef.h>
   38: 
   39: #ifdef __cplusplus
   40: extern "C" {
   41: #endif
   42: 
   43: extern int iconv_string (const char* tocode, const char* fromcode, const char* start, const char* end, char** resultp, size_t* lengthp);
   44: 
   45: #ifdef __cplusplus
   46: }
   47: #endif