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--- Libc/Libc-391.5.22/stdtime/getdate.c
+++ /dev/null
@@ -1,264 +0,0 @@
-/*
- * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-#include <stdio.h>
-#include <time.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <errno.h>
-
-enum {
- DATEMSK_NOT_DEFINED = 1,
- CANT_OPEN,
- CANT_FSTAT,
- NOT_FILE,
- IO_ERROR,
- OUT_OF_MEMORY,
- NO_MATCH,
- INVALID_DATE
-};
-
-#define DATEMSK "DATEMSK"
-#define TM_SEC_SET 0x01
-#define TM_MIN_SET 0x02
-#define TM_HOUR_SET 0x04
-#define TM_MDAY_SET 0x01
-#define TM_MON_SET 0x02
-#define TM_YEAR_SET 0x04
-#define UNDEFINED -1
-
-static struct tm tmundef = {
- UNDEFINED,
- UNDEFINED,
- UNDEFINED,
- UNDEFINED,
- UNDEFINED,
- UNDEFINED,
- UNDEFINED
-};
-
-int getdate_err;
-
-/*
- * getdate
- *
- * Call strptime() on each line of the DATEMSK file, and manipulate the
- * resulting tm structure.
- */
-struct tm *
-getdate(const char *str)
-{
- static struct tm tm, *now, *result = NULL;
- time_t t;
- FILE *fp;
- int bufsiz, offset, len, dateset, timeset, saveerrno, wday_set;
- char *buf;
- struct stat st;
- char *file = getenv(DATEMSK);
-
- if(!file || !*file) {
- getdate_err = DATEMSK_NOT_DEFINED;
- return NULL;
- }
- saveerrno = errno;
- if((fp = fopen(file, "r")) == NULL) {
- getdate_err = CANT_OPEN;
- errno = saveerrno;
- return NULL;
- }
- do {
- if(fstat(fileno(fp), &st) < 0) {
- getdate_err = CANT_FSTAT;
- break;
- }
- if((st.st_mode & S_IFMT) != S_IFREG) {
- getdate_err = NOT_FILE;
- break;
- }
- if((buf = malloc(bufsiz = BUFSIZ)) == NULL) {
- getdate_err = OUT_OF_MEMORY;
- break;
- }
- do {
- offset = 0;
- for(;;) {
- if(fgets(buf + offset, bufsiz - offset, fp) == NULL) {
- if(ferror(fp)) {
- getdate_err = IO_ERROR;
- break;
- }
- if(offset == 0) {
- getdate_err = NO_MATCH;
- break;
- }
- len = strlen(buf);
- } else if((len = strlen(buf)) == bufsiz - 1
- && buf[len - 1] != '\n') {
- char *newptr = realloc(buf, (bufsiz += BUFSIZ));
- if(newptr == NULL) {
- getdate_err = OUT_OF_MEMORY;
- break;
- }
- buf = newptr;
- offset = len;
- continue;
- }
- if(buf[len - 1] == '\n')
- buf[len - 1] = 0;
- tm = tmundef;
- if(strptime(str, buf, &tm) == NULL) {
- offset = 0;
- continue;
- }
- time(&t);
- now = localtime(&t);
- dateset = timeset = 0;
- if(tm.tm_sec != UNDEFINED)
- timeset |= TM_SEC_SET;
- if(tm.tm_min != UNDEFINED)
- timeset |= TM_MIN_SET;
- if(tm.tm_hour != UNDEFINED)
- timeset |= TM_HOUR_SET;
- if(tm.tm_mday != UNDEFINED)
- dateset |= TM_MDAY_SET;
- if(tm.tm_mon != UNDEFINED)
- dateset |= TM_MON_SET;
- if(tm.tm_year != UNDEFINED)
- dateset |= TM_YEAR_SET;
- wday_set = tm.tm_wday;
-
- switch(timeset) {
- case 0:
- tm.tm_sec = now->tm_sec;
- tm.tm_min = now->tm_min;
- tm.tm_hour = now->tm_hour;
- break;
-
- case TM_SEC_SET:
- tm.tm_hour = now->tm_hour;
- tm.tm_min = now->tm_min;
- if(tm.tm_sec < now->tm_sec)
- tm.tm_min++;
- break;
-
- case TM_MIN_SET:
- tm.tm_hour = now->tm_hour;
- if(tm.tm_min < now->tm_min)
- tm.tm_hour++;
- tm.tm_sec = 0;
- break;
-
- case TM_MIN_SET | TM_SEC_SET:
- tm.tm_hour = now->tm_hour;
- if((60 * tm.tm_min + tm.tm_sec)
- < (60 * now->tm_min + now->tm_sec))
- tm.tm_hour++;
- break;
-
- case TM_HOUR_SET:
- tm.tm_min = 0;
- tm.tm_sec = 0;
- break;
-
- case TM_HOUR_SET | TM_SEC_SET:
- tm.tm_min = 0;
- break;
-
- case TM_HOUR_SET | TM_MIN_SET:
- tm.tm_sec = 0;
- break;
- }
-
- switch(dateset) {
- case 0:
- tm.tm_mday = now->tm_mday;
- if(tm.tm_hour < now->tm_hour)
- tm.tm_mday++;
- tm.tm_mon = now->tm_mon;
- tm.tm_year = now->tm_year;
- break;
-
- case TM_MDAY_SET:
- tm.tm_year = now->tm_year;
- tm.tm_mon = now->tm_mon;
- if(tm.tm_mday < now->tm_mday)
- tm.tm_mon++;
- break;
-
- case TM_MON_SET:
- case TM_MON_SET | TM_MDAY_SET:
- tm.tm_year = now->tm_year;
- if(tm.tm_mon < now->tm_mon)
- tm.tm_year++;
- if(!(dateset & TM_MDAY_SET))
- tm.tm_mday = 1;
- break;
-
- case TM_YEAR_SET:
- case TM_YEAR_SET | TM_MON_SET:
- if(!(dateset & TM_MON_SET))
- tm.tm_mon = 1;
- tm.tm_mday = 1;
- break;
-
- case TM_YEAR_SET | TM_MDAY_SET:
- tm.tm_mon = now->tm_mon;
- if(tm.tm_mday < now->tm_mday)
- tm.tm_mon++;
- break;
- }
-
- tm.tm_wday = now->tm_wday;
- tm.tm_gmtoff = now->tm_gmtoff; /* XXX: can't grok timezones */
- tm.tm_isdst = -1;
-
- if(mktime(&tm) == (time_t)-1) {
- getdate_err = INVALID_DATE;
- break;
- }
- if(wday_set != UNDEFINED) {
- int delta = wday_set - tm.tm_wday;
- if(delta && (dateset & TM_MDAY_SET)) {
- getdate_err = INVALID_DATE;
- break;
- }
- if(delta < 0)
- delta += 7;
- tm.tm_mday += delta;
- if(mktime(&tm) == (time_t)-1) {
- getdate_err = INVALID_DATE;
- break;
- }
- }
- result = &tm;
- }
- } while(0);
-
- free(buf);
- } while(0);
-
- fclose(fp);
- errno = saveerrno;
- return result;
-}