diff options
Diffstat (limited to 'langinfo.c')
| -rw-r--r-- | langinfo.c | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/langinfo.c b/langinfo.c deleted file mode 100644 index b7961ed90..000000000 --- a/langinfo.c +++ /dev/null @@ -1,119 +0,0 @@ -/* - * This is a quick-and-dirty emulator of the nl_langinfo(CODESET) - * function defined in the Single Unix Specification for those systems - * (FreeBSD, etc.) that don't have one yet. It behaves as if it had - * been called after setlocale(LC_CTYPE, ""), that is it looks at - * the locale environment variables. - * - * http://www.opengroup.org/onlinepubs/7908799/xsh/langinfo.h.html - * - * Please extend it as needed and suggest improvements to the author. - * This emulator will hopefully become redundant soon as - * nl_langinfo(CODESET) becomes more widely implemented. - * - * Since the proposed Li18nux encoding name registry is still not mature, - * the output follows the MIME registry where possible: - * - * http://www.iana.org/assignments/character-sets - * - * A possible autoconf test for the availability of nl_langinfo(CODESET) - * can be found in - * - * http://www.cl.cam.ac.uk/~mgk25/unicode.html#activate - * - * Markus.Kuhn@cl.cam.ac.uk -- 2002-03-11 - * Permission to use, copy, modify, and distribute this software - * for any purpose and without fee is hereby granted. The author - * disclaims all warranties with regard to this software. - * - * Latest version: - * - * http://www.cl.cam.ac.uk/~mgk25/ucs/langinfo.c - */ - -#include <stdlib.h> -#include <string.h> -#include "support.h" - -#define C_CODESET "US-ASCII" /* Return this as the encoding of the - * C/POSIX locale. Could as well one day - * become "UTF-8". */ - -#define digit(x) ((x) >= '0' && (x) <= '9') - -static char buf[16]; - -char *nl_langinfo(nl_item item) -{ - char *l, *p; - - if (item != CODESET) - return NULL; - - if (((l = getenv("LC_ALL")) && *l) || - ((l = getenv("LC_CTYPE")) && *l) || - ((l = getenv("LANG")) && *l)) { - /* check standardized locales */ - if (!strcmp(l, "C") || !strcmp(l, "POSIX")) - return C_CODESET; - /* check for encoding name fragment */ - if (strstr(l, "UTF") || strstr(l, "utf")) - return "UTF-8"; - if ((p = strstr(l, "8859-"))) { - memcpy(buf, "ISO-8859-\0\0", 12); - p += 5; - if (digit(*p)) { - buf[9] = *p++; - if (digit(*p)) buf[10] = *p++; - return buf; - } - } - if (strstr(l, "KOI8-R")) return "KOI8-R"; - if (strstr(l, "KOI8-U")) return "KOI8-U"; - if (strstr(l, "620")) return "TIS-620"; - if (strstr(l, "2312")) return "GB2312"; - if (strstr(l, "HKSCS")) return "Big5HKSCS"; /* no MIME charset */ - if (strstr(l, "Big5") || strstr(l, "BIG5")) return "Big5"; - if (strstr(l, "GBK")) return "GBK"; /* no MIME charset */ - if (strstr(l, "18030")) return "GB18030"; /* no MIME charset */ - if (strstr(l, "Shift_JIS") || strstr(l, "SJIS")) return "Shift_JIS"; - /* check for conclusive modifier */ - if (strstr(l, "euro")) return "ISO-8859-15"; - /* check for language (and perhaps country) codes */ - if (strstr(l, "zh_TW")) return "Big5"; - if (strstr(l, "zh_HK")) return "Big5HKSCS"; /* no MIME charset */ - if (strstr(l, "zh")) return "GB2312"; - if (strstr(l, "ja")) return "EUC-JP"; - if (strstr(l, "ko")) return "EUC-KR"; - if (strstr(l, "ru")) return "KOI8-R"; - if (strstr(l, "uk")) return "KOI8-U"; - if (strstr(l, "pl") || strstr(l, "hr") || - strstr(l, "hu") || strstr(l, "cs") || - strstr(l, "sk") || strstr(l, "sl")) return "ISO-8859-2"; - if (strstr(l, "eo") || strstr(l, "mt")) return "ISO-8859-3"; - if (strstr(l, "el")) return "ISO-8859-7"; - if (strstr(l, "he")) return "ISO-8859-8"; - if (strstr(l, "tr")) return "ISO-8859-9"; - if (strstr(l, "th")) return "TIS-620"; /* or ISO-8859-11 */ - if (strstr(l, "lt")) return "ISO-8859-13"; - if (strstr(l, "cy")) return "ISO-8859-14"; - if (strstr(l, "ro")) return "ISO-8859-2"; /* or ISO-8859-16 */ - if (strstr(l, "am") || strstr(l, "vi")) return "UTF-8"; - /* Send me further rules if you like, but don't forget that we are - * *only* interested in locale naming conventions on platforms - * that do not already provide an nl_langinfo(CODESET) implementation. */ - return "ISO-8859-1"; /* should perhaps be "UTF-8" instead */ - } - return C_CODESET; -} - -/* For a demo, compile with "gcc -W -Wall -o langinfo -D TEST langinfo.c" */ - -#ifdef TEST -#include <stdio.h> -int main() -{ - printf("%s\n", nl_langinfo(CODESET)); - return 0; -} -#endif |