diff options
Diffstat (limited to 'lib/libc/gen/timezone.c')
| -rw-r--r-- | lib/libc/gen/timezone.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/lib/libc/gen/timezone.c b/lib/libc/gen/timezone.c deleted file mode 100644 index fe3ce23..0000000 --- a/lib/libc/gen/timezone.c +++ /dev/null @@ -1,134 +0,0 @@ -/* - * Copyright (c) 1987, 1993 - * The Regents of the University of California. All rights reserved. - * - * 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. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)timezone.c 8.1 (Berkeley) 6/4/93"; -#endif /* LIBC_SCCS and not lint */ - -#include <sys/types.h> -#include <sys/time.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#define TZ_MAX_CHARS 255 - -char *_tztab(); - -/* - * timezone -- - * The arguments are the number of minutes of time you are westward - * from Greenwich and whether DST is in effect. It returns a string - * giving the name of the local timezone. Should be replaced, in the - * application code, by a call to localtime. - */ - -static char czone[TZ_MAX_CHARS]; /* space for zone name */ - -char * -timezone(zone, dst) - int zone, - dst; -{ - register char *beg, - *end; - - if ( (beg = getenv("TZNAME")) ) { /* set in environment */ - if ( (end = index(beg, ',')) ) {/* "PST,PDT" */ - if (dst) - return(++end); - *end = '\0'; - (void)strncpy(czone,beg,sizeof(czone) - 1); - czone[sizeof(czone) - 1] = '\0'; - *end = ','; - return(czone); - } - return(beg); - } - return(_tztab(zone,dst)); /* default: table or created zone */ -} - -static struct zone { - int offset; - char *stdzone; - char *dlzone; -} zonetab[] = { - {-1*60, "MET", "MET DST"}, /* Middle European */ - {-2*60, "EET", "EET DST"}, /* Eastern European */ - {4*60, "AST", "ADT"}, /* Atlantic */ - {5*60, "EST", "EDT"}, /* Eastern */ - {6*60, "CST", "CDT"}, /* Central */ - {7*60, "MST", "MDT"}, /* Mountain */ - {8*60, "PST", "PDT"}, /* Pacific */ -#ifdef notdef - /* there's no way to distinguish this from WET */ - {0, "GMT", 0}, /* Greenwich */ -#endif - {0*60, "WET", "WET DST"}, /* Western European */ - {-10*60,"EST", "EST"}, /* Aust: Eastern */ - {-10*60+30,"CST", "CST"}, /* Aust: Central */ - {-8*60, "WST", 0}, /* Aust: Western */ - {-1} -}; - -/* - * _tztab -- - * check static tables or create a new zone name; broken out so that - * we can make a guess as to what the zone is if the standard tables - * aren't in place in /etc. DO NOT USE THIS ROUTINE OUTSIDE OF THE - * STANDARD LIBRARY. - */ -char * -_tztab(zone,dst) - register int zone; - int dst; -{ - register struct zone *zp; - register char sign; - - for (zp = zonetab; zp->offset != -1;++zp) /* static tables */ - if (zp->offset == zone) { - if (dst && zp->dlzone) - return(zp->dlzone); - if (!dst && zp->stdzone) - return(zp->stdzone); - } - - if (zone < 0) { /* create one */ - zone = -zone; - sign = '+'; - } - else - sign = '-'; - (void)sprintf(czone,"GMT%c%d:%02d",sign,zone / 60,zone % 60); - return(czone); -} |
