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author | Autechre | 2021-03-16 14:45:41 +0100 |
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committer | GitHub | 2021-03-16 14:45:41 +0100 |
commit | 41ed0ee3ff0f83bf53b010e4d79ca1de5389e8f2 (patch) | |
tree | 3cf574af74146252926490c2816d95e34a602a3c /deps/flac-1.3.2/src/share/utf8/iconvert.c | |
parent | e3e1b865f7c06f57918b97f7293b5b2959fb7b7d (diff) | |
parent | 2ff0b5124f2e17a290121e1eeecf45db1d9e2c85 (diff) | |
download | pcsx_rearmed-41ed0ee3ff0f83bf53b010e4d79ca1de5389e8f2.tar.gz pcsx_rearmed-41ed0ee3ff0f83bf53b010e4d79ca1de5389e8f2.tar.bz2 pcsx_rearmed-41ed0ee3ff0f83bf53b010e4d79ca1de5389e8f2.zip |
Merge pull request #506 from jdgleaver/libchdr-update
Update libchdr (replace libflac with dr_flac)
Diffstat (limited to 'deps/flac-1.3.2/src/share/utf8/iconvert.c')
-rw-r--r-- | deps/flac-1.3.2/src/share/utf8/iconvert.c | 254 |
1 files changed, 0 insertions, 254 deletions
diff --git a/deps/flac-1.3.2/src/share/utf8/iconvert.c b/deps/flac-1.3.2/src/share/utf8/iconvert.c deleted file mode 100644 index 472ca87..0000000 --- a/deps/flac-1.3.2/src/share/utf8/iconvert.c +++ /dev/null @@ -1,254 +0,0 @@ -/* - * Copyright (C) 2001 Edmund Grimley Evans <edmundo@rano.org> - * - * 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 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 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * 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. - */ - -#ifdef HAVE_CONFIG_H -# include <config.h> -#endif - -#if !defined _WIN32 && defined HAVE_ICONV - -#include <assert.h> -#include <errno.h> -#include <iconv.h> -#include <stdlib.h> -#include <string.h> - -#include "iconvert.h" -#include "share/alloc.h" -#include "share/safe_str.h" - -/* - * Convert data from one encoding to another. Return: - * - * -2 : memory allocation failed - * -1 : unknown encoding - * 0 : data was converted exactly - * 1 : data was converted inexactly - * 2 : data was invalid (but still converted) - * - * We convert in two steps, via UTF-8, as this is the only - * reliable way of distinguishing between invalid input - * and valid input which iconv refuses to transliterate. - * We convert from UTF-8 twice, because we have no way of - * knowing whether the conversion was exact if iconv returns - * E2BIG (due to a bug in the specification of iconv). - * An alternative approach is to assume that the output of - * iconv is never more than 4 times as long as the input, - * but I prefer to avoid that assumption if possible. - */ - -int iconvert(const char *fromcode, const char *tocode, - const char *from, size_t fromlen, - char **to, size_t *tolen) -{ - int ret = 0; - iconv_t cd1, cd2; - char *ib; - char *ob; - char *utfbuf = 0, *outbuf, *newbuf; - size_t utflen, outlen, ibl, obl, k; - char tbuf[2048]; - - cd1 = iconv_open("UTF-8", fromcode); - if (cd1 == (iconv_t)(-1)) - return -1; - - cd2 = (iconv_t)(-1); - /* Don't use strcasecmp() as it's locale-dependent. */ - if (!strchr("Uu", tocode[0]) || - !strchr("Tt", tocode[1]) || - !strchr("Ff", tocode[2]) || - tocode[3] != '-' || - tocode[4] != '8' || - tocode[5] != '\0') { - char *tocode1; - size_t dest_len = strlen(tocode) + 11; - /* - * Try using this non-standard feature of glibc and libiconv. - * This is deliberately not a config option as people often - * change their iconv library without rebuilding applications. - */ - tocode1 = safe_malloc_(dest_len); - if (!tocode1) - goto fail; - - safe_strncpy(tocode1, tocode, dest_len); - safe_strncat(tocode1, "//TRANSLIT", dest_len); - cd2 = iconv_open(tocode1, "UTF-8"); - free(tocode1); - - if (cd2 == (iconv_t)(-1)) - cd2 = iconv_open(tocode, fromcode); - - if (cd2 == (iconv_t)(-1)) { - iconv_close(cd1); - return -1; - } - } - - utflen = 1; /*fromlen * 2 + 1; XXX */ - utfbuf = malloc(utflen); - if (!utfbuf) - goto fail; - - /* Convert to UTF-8 */ - ib = (char *)from; - ibl = fromlen; - ob = utfbuf; - obl = utflen; - for (;;) { - k = iconv(cd1, &ib, &ibl, &ob, &obl); - assert((!k && !ibl) || - (k == (size_t)(-1) && errno == E2BIG && ibl && obl < 6) || - (k == (size_t)(-1) && - (errno == EILSEQ || errno == EINVAL) && ibl)); - if (!ibl) - break; - if (obl < 6) { - /* Enlarge the buffer */ - if(utflen*2 < utflen) /* overflow check */ - goto fail; - utflen *= 2; - newbuf = realloc(utfbuf, utflen); - if (!newbuf) - goto fail; - ob = (ob - utfbuf) + newbuf; - obl = utflen - (ob - newbuf); - utfbuf = newbuf; - } - else { - /* Invalid input */ - ib++, ibl--; - *ob++ = '#', obl--; - ret = 2; - iconv(cd1, 0, 0, 0, 0); - } - } - - if (cd2 == (iconv_t)(-1)) { - /* The target encoding was UTF-8 */ - if (tolen) - *tolen = ob - utfbuf; - if (!to) { - free(utfbuf); - iconv_close(cd1); - return ret; - } - newbuf = safe_realloc_add_2op_(utfbuf, (ob - utfbuf), /*+*/1); - if (!newbuf) - goto fail; - ob = (ob - utfbuf) + newbuf; - *ob = '\0'; - *to = newbuf; - iconv_close(cd1); - return ret; - } - - /* Truncate the buffer to be tidy */ - utflen = ob - utfbuf; - newbuf = realloc(utfbuf, utflen); - if (!newbuf) - goto fail; - utfbuf = newbuf; - - /* Convert from UTF-8 to discover how long the output is */ - outlen = 0; - ib = utfbuf; - ibl = utflen; - while (ibl) { - ob = tbuf; - obl = sizeof(tbuf); - k = iconv(cd2, &ib, &ibl, &ob, &obl); - assert((k != (size_t)(-1) && !ibl) || - (k == (size_t)(-1) && errno == E2BIG && ibl) || - (k == (size_t)(-1) && errno == EILSEQ && ibl)); - if (ibl && !(k == (size_t)(-1) && errno == E2BIG)) { - /* Replace one character */ - char *tb = "?"; - size_t tbl = 1; - - outlen += ob - tbuf; - ob = tbuf; - obl = sizeof(tbuf); - k = iconv(cd2, &tb, &tbl, &ob, &obl); - assert((!k && !tbl) || - (k == (size_t)(-1) && errno == EILSEQ && tbl)); - for (++ib, --ibl; ibl && (*ib & 0x80); ib++, ibl--) - ; - } - outlen += ob - tbuf; - } - ob = tbuf; - obl = sizeof(tbuf); - k = iconv(cd2, 0, 0, &ob, &obl); - assert(!k); - outlen += ob - tbuf; - - /* Convert from UTF-8 for real */ - outbuf = safe_malloc_add_2op_(outlen, /*+*/1); - if (!outbuf) - goto fail; - ib = utfbuf; - ibl = utflen; - ob = outbuf; - obl = outlen; - while (ibl) { - k = iconv(cd2, &ib, &ibl, &ob, &obl); - assert((k != (size_t)(-1) && !ibl) || - (k == (size_t)(-1) && errno == EILSEQ && ibl)); - if (k && !ret) - ret = 1; - if (ibl && !(k == (size_t)(-1) && errno == E2BIG)) { - /* Replace one character */ - char *tb = "?"; - size_t tbl = 1; - - k = iconv(cd2, &tb, &tbl, &ob, &obl); - assert((!k && !tbl) || - (k == (size_t)(-1) && errno == EILSEQ && tbl)); - for (++ib, --ibl; ibl && (*ib & 0x80); ib++, ibl--) - ; - } - } - k = iconv(cd2, 0, 0, &ob, &obl); - assert(!k); - assert(!obl); - *ob = '\0'; - - free(utfbuf); - iconv_close(cd1); - iconv_close(cd2); - if (tolen) - *tolen = outlen; - if (!to) { - free(outbuf); - return ret; - } - *to = outbuf; - return ret; - - fail: - if(0 != utfbuf) - free(utfbuf); - iconv_close(cd1); - if (cd2 != (iconv_t)(-1)) - iconv_close(cd2); - return -2; -} - -#endif /* HAVE_ICONV */ |