diff options
Diffstat (limited to 'deps/flac-1.3.2/src/share/utf8/utf8.c')
| -rw-r--r-- | deps/flac-1.3.2/src/share/utf8/utf8.c | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/deps/flac-1.3.2/src/share/utf8/utf8.c b/deps/flac-1.3.2/src/share/utf8/utf8.c deleted file mode 100644 index 0519d8e..0000000 --- a/deps/flac-1.3.2/src/share/utf8/utf8.c +++ /dev/null @@ -1,209 +0,0 @@ -/* - * Copyright (C) 2001 Peter Harris <peter.harris@hummingbird.com> - * Copyright (C) 2001 Edmund Grimley Evans <edmundo@rano.org> - * - * Buffer overflow checking added: Josh Coalson, 9/9/2007 - * - * Win32 part rewritten: lvqcl, 2/2/2016 - * - * 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. - */ - -/* - * Convert a string between UTF-8 and the locale's charset. - */ - -#ifdef HAVE_CONFIG_H -# include <config.h> -#endif - -#include <stdlib.h> - -#include "share/alloc.h" -#include "share/utf8.h" - -#ifdef _WIN32 - -#include <windows.h> - -int utf8_encode(const char *from, char **to) -{ - wchar_t *unicode = NULL; - char *utf8 = NULL; - int ret = -1; - - do { - int len; - - len = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, from, -1, NULL, 0); - if(len == 0) break; - - unicode = (wchar_t*) safe_malloc_mul_2op_((size_t)len, sizeof(wchar_t)); - if(unicode == NULL) break; - - len = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, from, -1, unicode, len); - if(len == 0) break; - - len = WideCharToMultiByte(CP_UTF8, 0, unicode, -1, NULL, 0, NULL, NULL); - if(len == 0) break; - - utf8 = (char*) safe_malloc_mul_2op_((size_t)len, sizeof(char)); - if(utf8 == NULL) break; - - len = WideCharToMultiByte(CP_UTF8, 0, unicode, -1, utf8, len, NULL, NULL); - if(len == 0) break; - - ret = 0; - - } while(0); - - free(unicode); - - if(ret == 0) { - *to = utf8; - } else { - free(utf8); - *to = NULL; - } - - return ret; -} - -int utf8_decode(const char *from, char **to) -{ - wchar_t *unicode = NULL; - char *acp = NULL; - int ret = -1; - - do { - int len; - - len = MultiByteToWideChar(CP_UTF8, 0, from, -1, NULL, 0); - if(len == 0) break; - - unicode = (wchar_t*) safe_malloc_mul_2op_((size_t)len, sizeof(wchar_t)); - if(unicode == NULL) break; - - len = MultiByteToWideChar(CP_UTF8, 0, from, -1, unicode, len); - if(len == 0) break; - - len = WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, unicode, -1, NULL, 0, NULL, NULL); - if(len == 0) break; - - acp = (char*) safe_malloc_mul_2op_((size_t)len, sizeof(char)); - if(acp == NULL) break; - - len = WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, unicode, -1, acp, len, NULL, NULL); - if(len == 0) break; - - ret = 0; - - } while(0); - - free(unicode); - - if(ret == 0) { - *to = acp; - } else { - free(acp); - *to = NULL; - } - - return ret; -} - -#else /* End win32. Rest is for real operating systems */ - - -#ifdef HAVE_LANGINFO_CODESET -#include <langinfo.h> -#endif - -#include <string.h> - -#include "share/safe_str.h" -#include "iconvert.h" -#include "charset.h" - -static const char *current_charset(void) -{ - const char *c = 0; -#ifdef HAVE_LANGINFO_CODESET - c = nl_langinfo(CODESET); -#endif - - if (!c) - c = getenv("CHARSET"); - - return c? c : "US-ASCII"; -} - -static int convert_buffer(const char *fromcode, const char *tocode, - const char *from, size_t fromlen, - char **to, size_t *tolen) -{ - int ret = -1; - -#ifdef HAVE_ICONV - ret = iconvert(fromcode, tocode, from, fromlen, to, tolen); - if (ret != -1) - return ret; -#endif - -#ifndef HAVE_ICONV /* should be ifdef USE_CHARSET_CONVERT */ - ret = charset_convert(fromcode, tocode, from, fromlen, to, tolen); - if (ret != -1) - return ret; -#endif - - return ret; -} - -static int convert_string(const char *fromcode, const char *tocode, - const char *from, char **to, char replace) -{ - int ret; - size_t fromlen; - char *s; - - fromlen = strlen(from); - ret = convert_buffer(fromcode, tocode, from, fromlen, to, 0); - if (ret == -2) - return -1; - if (ret != -1) - return ret; - - s = safe_malloc_add_2op_(fromlen, /*+*/1); - if (!s) - return -1; - safe_strncpy(s, from, fromlen + 1); - *to = s; - for (; *s; s++) - if (*s & ~0x7f) - *s = replace; - return 3; -} - -int utf8_encode(const char *from, char **to) -{ - return convert_string(current_charset(), "UTF-8", from, to, '#'); -} - -int utf8_decode(const char *from, char **to) -{ - return convert_string("UTF-8", current_charset(), from, to, '?'); -} - -#endif |