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string/strftime.c Libc-262 /dev/null
--- Libc/Libc-262/string/strftime.c
+++ /dev/null
@@ -1,310 +0,0 @@
-/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- * 
- * This 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 OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) 1989, 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.
- */
-
-
-#include <sys/types.h>
-#include <sys/time.h>
-#include <tzfile.h>
-#include <string.h>
-
-static char *afmt[] = {
-	"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat",
-};
-static char *Afmt[] = {
-	"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
-	"Saturday",
-};
-static char *bfmt[] = {
-	"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep",
-	"Oct", "Nov", "Dec",
-};
-static char *Bfmt[] = {
-	"January", "February", "March", "April", "May", "June", "July",
-	"August", "September", "October", "November", "December",
-};
-
-static size_t gsize;
-static char *pt;
-static int _add __P((char *));
-static int _conv __P((int, int, int));
-static int _secs __P((const struct tm *));
-static size_t _fmt __P((const char *, const struct tm *));
-
-size_t
-strftime(s, maxsize, format, t)
-	char *s;
-	size_t maxsize;
-	const char *format;
-	const struct tm *t;
-{
-
-	pt = s;
-	if ((gsize = maxsize) < 1)
-		return(0);
-	if (_fmt(format, t)) {
-		*pt = '\0';
-		return(maxsize - gsize);
-	}
-	return(0);
-}
-
-static size_t
-_fmt(format, t)
-	register const char *format;
-	const struct tm *t;
-{
-	for (; *format; ++format) {
-		if (*format == '%')
-			switch(*++format) {
-			case '\0':
-				--format;
-				break;
-			case 'A':
-				if (t->tm_wday < 0 || t->tm_wday > 6)
-					return(0);
-				if (!_add(Afmt[t->tm_wday]))
-					return(0);
-				continue;
-			case 'a':
-				if (t->tm_wday < 0 || t->tm_wday > 6)
-					return(0);
-				if (!_add(afmt[t->tm_wday]))
-					return(0);
-				continue;
-			case 'B':
-				if (t->tm_mon < 0 || t->tm_mon > 11)
-					return(0);
-				if (!_add(Bfmt[t->tm_mon]))
-					return(0);
-				continue;
-			case 'b':
-			case 'h':
-				if (t->tm_mon < 0 || t->tm_mon > 11)
-					return(0);
-				if (!_add(bfmt[t->tm_mon]))
-					return(0);
-				continue;
-			case 'C':
-				if (!_fmt("%a %b %e %H:%M:%S %Y", t))
-					return(0);
-				continue;
-			case 'c':
-				if (!_fmt("%m/%d/%y %H:%M:%S", t))
-					return(0);
-				continue;
-			case 'D':
-				if (!_fmt("%m/%d/%y", t))
-					return(0);
-				continue;
-			case 'd':
-				if (!_conv(t->tm_mday, 2, '0'))
-					return(0);
-				continue;
-			case 'e':
-				if (!_conv(t->tm_mday, 2, ' '))
-					return(0);
-				continue;
-			case 'H':
-				if (!_conv(t->tm_hour, 2, '0'))
-					return(0);
-				continue;
-			case 'I':
-				if (!_conv(t->tm_hour % 12 ?
-				    t->tm_hour % 12 : 12, 2, '0'))
-					return(0);
-				continue;
-			case 'j':
-				if (!_conv(t->tm_yday + 1, 3, '0'))
-					return(0);
-				continue;
-			case 'k':
-				if (!_conv(t->tm_hour, 2, ' '))
-					return(0);
-				continue;
-			case 'l':
-				if (!_conv(t->tm_hour % 12 ?
-				    t->tm_hour % 12 : 12, 2, ' '))
-					return(0);
-				continue;
-			case 'M':
-				if (!_conv(t->tm_min, 2, '0'))
-					return(0);
-				continue;
-			case 'm':
-				if (!_conv(t->tm_mon + 1, 2, '0'))
-					return(0);
-				continue;
-			case 'n':
-				if (!_add("\n"))
-					return(0);
-				continue;
-			case 'p':
-				if (!_add(t->tm_hour >= 12 ? "PM" : "AM"))
-					return(0);
-				continue;
-			case 'R':
-				if (!_fmt("%H:%M", t))
-					return(0);
-				continue;
-			case 'r':
-				if (!_fmt("%I:%M:%S %p", t))
-					return(0);
-				continue;
-			case 'S':
-				if (!_conv(t->tm_sec, 2, '0'))
-					return(0);
-				continue;
-			case 's':
-				if (!_secs(t))
-					return(0);
-				continue;
-			case 'T':
-			case 'X':
-				if (!_fmt("%H:%M:%S", t))
-					return(0);
-				continue;
-			case 't':
-				if (!_add("\t"))
-					return(0);
-				continue;
-			case 'U':
-				if (!_conv((t->tm_yday + 7 - t->tm_wday) / 7,
-				    2, '0'))
-					return(0);
-				continue;
-			case 'W':
-				if (!_conv((t->tm_yday + 7 -
-				    (t->tm_wday ? (t->tm_wday - 1) : 6))
-				    / 7, 2, '0'))
-					return(0);
-				continue;
-			case 'w':
-				if (!_conv(t->tm_wday, 1, '0'))
-					return(0);
-				continue;
-			case 'x':
-				if (!_fmt("%m/%d/%y", t))
-					return(0);
-				continue;
-			case 'y':
-				if (!_conv((t->tm_year + TM_YEAR_BASE)
-				    % 100, 2, '0'))
-					return(0);
-				continue;
-			case 'Y':
-				if (!_conv(t->tm_year + TM_YEAR_BASE, 4, '0'))
-					return(0);
-				continue;
-			case 'Z':
-				if (!t->tm_zone || !_add(t->tm_zone))
-					return(0);
-				continue;
-			case '%':
-			/*
-			 * X311J/88-090 (4.12.3.5): if conversion char is
-			 * undefined, behavior is undefined.  Print out the
-			 * character itself as printf(3) does.
-			 */
-			default:
-				break;
-		}
-		if (!gsize--)
-			return(0);
-		*pt++ = *format;
-	}
-	return(gsize);
-}
-
-static int
-_secs(t)
-	const struct tm *t;
-{
-	static char buf[15];
-	register time_t s;
-	register char *p;
-	struct tm tmp;
-
-	/* Make a copy, mktime(3) modifies the tm struct. */
-	tmp = *t;
-	s = mktime(&tmp);
-	for (p = buf + sizeof(buf) - 2; s > 0 && p > buf; s /= 10)
-		*p-- = s % 10 + '0';
-	return(_add(++p));
-}
-
-static int
-_conv(n, digits, pad)
-	int n, digits, pad;
-{
-	static char buf[10];
-	register char *p;
-
-	for (p = buf + sizeof(buf) - 2; n > 0 && p > buf; n /= 10, --digits)
-		*p-- = n % 10 + '0';
-	while (p > buf && digits-- > 0)
-		*p-- = pad;
-	return(_add(++p));
-}
-
-static int
-_add(str)
-	register char *str;
-{
-	for (;; ++pt, --gsize) {
-		if (!gsize)
-			return(0);
-		if (!(*pt = *str++))
-			return(1);
-	}
-}