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Diffstat (limited to 'lib/libc/locale/setrunelocale.c')
-rw-r--r-- | lib/libc/locale/setrunelocale.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/lib/libc/locale/setrunelocale.c b/lib/libc/locale/setrunelocale.c new file mode 100644 index 0000000..4889667 --- /dev/null +++ b/lib/libc/locale/setrunelocale.c @@ -0,0 +1,119 @@ +/*- + * Copyright (c) 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Paul Borman at Krystal Technologies. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <rune.h> +#include <errno.h> +#include <limits.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> + +char *_PathLocale; + +extern int _none_init __P((_RuneLocale *)); +#ifdef XPG4 +extern int _UTF2_init __P((_RuneLocale *)); +extern int _EUC_init __P((_RuneLocale *)); +extern int _xpg4_setrunelocale __P((char *)); +#endif +extern _RuneLocale *_Read_RuneMagi __P((FILE *)); + +#ifdef XPG4 +int +setrunelocale(encoding) + char *encoding; +{ + return _xpg4_setrunelocale(encoding); +} +#endif + +int +#ifndef XPG4 +setrunelocale(encoding) +#else +_xpg4_setrunelocale(encoding) +#endif + char *encoding; +{ + FILE *fp; + char name[PATH_MAX]; + _RuneLocale *rl; + + if (!encoding) + return(EFAULT); + + /* + * The "C" and "POSIX" locale are always here. + */ + if (!*encoding || !strcmp(encoding, "C") || !strcmp(encoding, "POSIX")) { + _CurrentRuneLocale = &_DefaultRuneLocale; + return(0); + } + + if (!_PathLocale && !(_PathLocale = getenv("PATH_LOCALE"))) + _PathLocale = _PATH_LOCALE; + + (void) strcpy(name, _PathLocale); + (void) strcat(name, "/"); + (void) strcat(name, encoding); + (void) strcat(name, "/LC_CTYPE"); + + if ((fp = fopen(name, "r")) == NULL) + return(ENOENT); + + if ((rl = _Read_RuneMagi(fp)) == 0) { + fclose(fp); + return(EFTYPE); + } + fclose(fp); + +#ifdef XPG4 + if (!rl->encoding[0] || !strcmp(rl->encoding, "UTF2")) { + return(_UTF2_init(rl)); +#else + if (!rl->encoding[0]) { + return(EINVAL); +#endif + } else if (!strcmp(rl->encoding, "NONE")) { + return(_none_init(rl)); +#ifdef XPG4 + } else if (!strcmp(rl->encoding, "EUC")) { + return(_EUC_init(rl)); +#endif + } else + return(EINVAL); +} + |