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Diffstat (limited to 'jni/iconv/lib/loop_wchar.h')
| -rw-r--r-- | jni/iconv/lib/loop_wchar.h | 458 |
1 files changed, 0 insertions, 458 deletions
diff --git a/jni/iconv/lib/loop_wchar.h b/jni/iconv/lib/loop_wchar.h deleted file mode 100644 index 30d5dbd..0000000 --- a/jni/iconv/lib/loop_wchar.h +++ /dev/null @@ -1,458 +0,0 @@ -/* - * Copyright (C) 2000-2002, 2005-2006, 2008 Free Software Foundation, Inc. - * This file is part of the GNU LIBICONV Library. - * - * The GNU LIBICONV Library is free software; you can redistribute it - * and/or modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * The GNU LIBICONV Library is distributed in the hope that it will be - * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with the GNU LIBICONV Library; see the file COPYING.LIB. - * If not, write to the Free Software Foundation, Inc., 51 Franklin Street, - * Fifth Floor, Boston, MA 02110-1301, USA. - */ - -/* This file defines three conversion loops: - - from wchar_t to anything else, - - from anything else to wchar_t, - - from wchar_t to wchar_t. - */ - -#if HAVE_WCRTOMB || HAVE_MBRTOWC -# include <wchar.h> -# define BUF_SIZE 64 /* assume MB_LEN_MAX <= 64 */ - /* Some systems, like BeOS, have multibyte encodings but lack mbstate_t. */ - extern size_t mbrtowc (); -# ifdef mbstate_t -# define mbrtowc(pwc, s, n, ps) (mbrtowc)(pwc, s, n, 0) -# define mbsinit(ps) 1 -# endif -# ifndef mbsinit -# if !HAVE_MBSINIT -# define mbsinit(ps) 1 -# endif -# endif -#endif - -/* - * The first two conversion loops have an extended conversion descriptor. - */ -struct wchar_conv_struct { - struct conv_struct parent; -#if HAVE_WCRTOMB || HAVE_MBRTOWC - mbstate_t state; -#endif -}; - - -#if HAVE_WCRTOMB - -/* From wchar_t to anything else. */ - -#ifndef LIBICONV_PLUG - -#if 0 - -struct wc_to_mb_fallback_locals { - struct wchar_conv_struct * l_wcd; - char* l_outbuf; - size_t l_outbytesleft; - int l_errno; -}; - -/* A callback that writes a string given in the locale encoding. */ -static void wc_to_mb_write_replacement (const char *buf, size_t buflen, - void* callback_arg) -{ - struct wc_to_mb_fallback_locals * plocals = - (struct wc_to_mb_fallback_locals *) callback_arg; - /* Do nothing if already encountered an error in a previous call. */ - if (plocals->l_errno == 0) { - /* Attempt to convert the passed buffer to the target encoding. - Here we don't support characters split across multiple calls. */ - const char* bufptr = buf; - size_t bufleft = buflen; - size_t res = unicode_loop_convert(&plocals->l_wcd->parent, - &bufptr,&bufleft, - &plocals->l_outbuf,&plocals->l_outbytesleft); - if (res == (size_t)(-1)) { - if (errno == EILSEQ || errno == EINVAL) - /* Invalid buf contents. */ - plocals->l_errno = EILSEQ; - else if (errno == E2BIG) - /* Output buffer too small. */ - plocals->l_errno = E2BIG; - else - abort(); - } else { - /* Successful conversion. */ - if (bufleft > 0) - abort(); - } - } -} - -#else - -struct wc_to_mb_fallback_locals { - char* l_outbuf; - size_t l_outbytesleft; - int l_errno; -}; - -/* A callback that writes a string given in the target encoding. */ -static void wc_to_mb_write_replacement (const char *buf, size_t buflen, - void* callback_arg) -{ - struct wc_to_mb_fallback_locals * plocals = - (struct wc_to_mb_fallback_locals *) callback_arg; - /* Do nothing if already encountered an error in a previous call. */ - if (plocals->l_errno == 0) { - /* Attempt to copy the passed buffer to the output buffer. */ - if (plocals->l_outbytesleft < buflen) - plocals->l_errno = E2BIG; - else { - memcpy(plocals->l_outbuf, buf, buflen); - plocals->l_outbuf += buflen; - plocals->l_outbytesleft -= buflen; - } - } -} - -#endif - -#endif /* !LIBICONV_PLUG */ - -static size_t wchar_from_loop_convert (iconv_t icd, - const char* * inbuf, size_t *inbytesleft, - char* * outbuf, size_t *outbytesleft) -{ - struct wchar_conv_struct * wcd = (struct wchar_conv_struct *) icd; - size_t result = 0; - while (*inbytesleft >= sizeof(wchar_t)) { - const wchar_t * inptr = (const wchar_t *) *inbuf; - size_t inleft = *inbytesleft; - char buf[BUF_SIZE]; - mbstate_t state = wcd->state; - size_t bufcount = 0; - while (inleft >= sizeof(wchar_t)) { - /* Convert one wchar_t to multibyte representation. */ - size_t count = wcrtomb(buf+bufcount,*inptr,&state); - if (count == (size_t)(-1)) { - /* Invalid input. */ - if (wcd->parent.discard_ilseq) { - count = 0; - } - #ifndef LIBICONV_PLUG - else if (wcd->parent.fallbacks.wc_to_mb_fallback != NULL) { - /* Drop the contents of buf[] accumulated so far, and instead - pass all queued wide characters to the fallback handler. */ - struct wc_to_mb_fallback_locals locals; - const wchar_t * fallback_inptr; - #if 0 - locals.l_wcd = wcd; - #endif - locals.l_outbuf = *outbuf; - locals.l_outbytesleft = *outbytesleft; - locals.l_errno = 0; - for (fallback_inptr = (const wchar_t *) *inbuf; - fallback_inptr <= inptr; - fallback_inptr++) - wcd->parent.fallbacks.wc_to_mb_fallback(*fallback_inptr, - wc_to_mb_write_replacement, - &locals, - wcd->parent.fallbacks.data); - if (locals.l_errno != 0) { - errno = locals.l_errno; - return -1; - } - wcd->state = state; - *inbuf = (const char *) (inptr + 1); - *inbytesleft = inleft - sizeof(wchar_t); - *outbuf = locals.l_outbuf; - *outbytesleft = locals.l_outbytesleft; - result += 1; - break; - } - #endif - else { - errno = EILSEQ; - return -1; - } - } - inptr++; - inleft -= sizeof(wchar_t); - bufcount += count; - if (count == 0) { - /* Continue, append next wchar_t. */ - } else { - /* Attempt to convert the accumulated multibyte representations - to the target encoding. */ - const char* bufptr = buf; - size_t bufleft = bufcount; - char* outptr = *outbuf; - size_t outleft = *outbytesleft; - size_t res = unicode_loop_convert(&wcd->parent, - &bufptr,&bufleft, - &outptr,&outleft); - if (res == (size_t)(-1)) { - if (errno == EILSEQ) - /* Invalid input. */ - return -1; - else if (errno == E2BIG) - /* Output buffer too small. */ - return -1; - else if (errno == EINVAL) { - /* Continue, append next wchar_t, but avoid buffer overrun. */ - if (bufcount + MB_CUR_MAX > BUF_SIZE) - abort(); - } else - abort(); - } else { - /* Successful conversion. */ - wcd->state = state; - *inbuf = (const char *) inptr; - *inbytesleft = inleft; - *outbuf = outptr; - *outbytesleft = outleft; - result += res; - break; - } - } - } - } - return result; -} - -static size_t wchar_from_loop_reset (iconv_t icd, - char* * outbuf, size_t *outbytesleft) -{ - struct wchar_conv_struct * wcd = (struct wchar_conv_struct *) icd; - if (outbuf == NULL || *outbuf == NULL) { - /* Reset the states. */ - memset(&wcd->state,'\0',sizeof(mbstate_t)); - return unicode_loop_reset(&wcd->parent,NULL,NULL); - } else { - if (!mbsinit(&wcd->state)) { - mbstate_t state = wcd->state; - char buf[BUF_SIZE]; - size_t bufcount = wcrtomb(buf,(wchar_t)0,&state); - if (bufcount == (size_t)(-1) || bufcount == 0 || buf[bufcount-1] != '\0') - abort(); - else { - const char* bufptr = buf; - size_t bufleft = bufcount-1; - char* outptr = *outbuf; - size_t outleft = *outbytesleft; - size_t res = unicode_loop_convert(&wcd->parent, - &bufptr,&bufleft, - &outptr,&outleft); - if (res == (size_t)(-1)) { - if (errno == E2BIG) - return -1; - else - abort(); - } else { - res = unicode_loop_reset(&wcd->parent,&outptr,&outleft); - if (res == (size_t)(-1)) - return res; - else { - /* Successful. */ - wcd->state = state; - *outbuf = outptr; - *outbytesleft = outleft; - return 0; - } - } - } - } else - return unicode_loop_reset(&wcd->parent,outbuf,outbytesleft); - } -} - -#endif - - -#if HAVE_MBRTOWC - -/* From anything else to wchar_t. */ - -#ifndef LIBICONV_PLUG - -struct mb_to_wc_fallback_locals { - char* l_outbuf; - size_t l_outbytesleft; - int l_errno; -}; - -static void mb_to_wc_write_replacement (const wchar_t *buf, size_t buflen, - void* callback_arg) -{ - struct mb_to_wc_fallback_locals * plocals = - (struct mb_to_wc_fallback_locals *) callback_arg; - /* Do nothing if already encountered an error in a previous call. */ - if (plocals->l_errno == 0) { - /* Attempt to copy the passed buffer to the output buffer. */ - if (plocals->l_outbytesleft < sizeof(wchar_t)*buflen) - plocals->l_errno = E2BIG; - else { - for (; buflen > 0; buf++, buflen--) { - *(wchar_t*) plocals->l_outbuf = *buf; - plocals->l_outbuf += sizeof(wchar_t); - plocals->l_outbytesleft -= sizeof(wchar_t); - } - } - } -} - -#endif /* !LIBICONV_PLUG */ - -static size_t wchar_to_loop_convert (iconv_t icd, - const char* * inbuf, size_t *inbytesleft, - char* * outbuf, size_t *outbytesleft) -{ - struct wchar_conv_struct * wcd = (struct wchar_conv_struct *) icd; - size_t result = 0; - while (*inbytesleft > 0) { - size_t incount; - for (incount = 1; incount <= *inbytesleft; incount++) { - char buf[BUF_SIZE]; - const char* inptr = *inbuf; - size_t inleft = incount; - char* bufptr = buf; - size_t bufleft = BUF_SIZE; - size_t res = unicode_loop_convert(&wcd->parent, - &inptr,&inleft, - &bufptr,&bufleft); - if (res == (size_t)(-1)) { - if (errno == EILSEQ) - /* Invalid input. */ - return -1; - else if (errno == EINVAL) { - /* Incomplete input. Next try with one more input byte. */ - } else - /* E2BIG shouldn't occur. */ - abort(); - } else { - /* Successful conversion. */ - size_t bufcount = bufptr-buf; /* = BUF_SIZE-bufleft */ - mbstate_t state = wcd->state; - wchar_t wc; - res = mbrtowc(&wc,buf,bufcount,&state); - if (res == (size_t)(-2)) { - /* Next try with one more input byte. */ - } else { - if (res == (size_t)(-1)) { - /* Invalid input. */ - if (wcd->parent.discard_ilseq) { - } - #ifndef LIBICONV_PLUG - else if (wcd->parent.fallbacks.mb_to_wc_fallback != NULL) { - /* Drop the contents of buf[] accumulated so far, and instead - pass all queued chars to the fallback handler. */ - struct mb_to_wc_fallback_locals locals; - locals.l_outbuf = *outbuf; - locals.l_outbytesleft = *outbytesleft; - locals.l_errno = 0; - wcd->parent.fallbacks.mb_to_wc_fallback(*inbuf, incount, - mb_to_wc_write_replacement, - &locals, - wcd->parent.fallbacks.data); - if (locals.l_errno != 0) { - errno = locals.l_errno; - return -1; - } - /* Restoring the state is not needed because it is the initial - state anyway: For all known locale encodings, the multibyte - to wchar_t conversion doesn't have shift state, and we have - excluded partial accumulated characters. */ - /* wcd->state = state; */ - *inbuf += incount; - *inbytesleft -= incount; - *outbuf = locals.l_outbuf; - *outbytesleft = locals.l_outbytesleft; - result += 1; - break; - } - #endif - else - return -1; - } else { - if (*outbytesleft < sizeof(wchar_t)) { - errno = E2BIG; - return -1; - } - *(wchar_t*) *outbuf = wc; - /* Restoring the state is not needed because it is the initial - state anyway: For all known locale encodings, the multibyte - to wchar_t conversion doesn't have shift state, and we have - excluded partial accumulated characters. */ - /* wcd->state = state; */ - *outbuf += sizeof(wchar_t); - *outbytesleft -= sizeof(wchar_t); - } - *inbuf += incount; - *inbytesleft -= incount; - result += res; - break; - } - } - } - } - return result; -} - -static size_t wchar_to_loop_reset (iconv_t icd, - char* * outbuf, size_t *outbytesleft) -{ - struct wchar_conv_struct * wcd = (struct wchar_conv_struct *) icd; - size_t res = unicode_loop_reset(&wcd->parent,outbuf,outbytesleft); - if (res == (size_t)(-1)) - return res; - memset(&wcd->state,0,sizeof(mbstate_t)); - return 0; -} - -#endif - - -/* From wchar_t to wchar_t. */ - -static size_t wchar_id_loop_convert (iconv_t icd, - const char* * inbuf, size_t *inbytesleft, - char* * outbuf, size_t *outbytesleft) -{ - struct conv_struct * cd = (struct conv_struct *) icd; - const wchar_t* inptr = (const wchar_t*) *inbuf; - size_t inleft = *inbytesleft / sizeof(wchar_t); - wchar_t* outptr = (wchar_t*) *outbuf; - size_t outleft = *outbytesleft / sizeof(wchar_t); - size_t count = (inleft <= outleft ? inleft : outleft); - if (count > 0) { - *inbytesleft -= count * sizeof(wchar_t); - *outbytesleft -= count * sizeof(wchar_t); - do { - wchar_t wc = *inptr++; - *outptr++ = wc; - #ifndef LIBICONV_PLUG - if (cd->hooks.wc_hook) - (*cd->hooks.wc_hook)(wc, cd->hooks.data); - #endif - } while (--count > 0); - *inbuf = (const char*) inptr; - *outbuf = (char*) outptr; - } - return 0; -} - -static size_t wchar_id_loop_reset (iconv_t icd, - char* * outbuf, size_t *outbytesleft) -{ - return 0; -} |