Initial import

git-svn-id: http://moon:8086/svn/software/trunk/libsrc/libtiff_2007@1 b431acfa-c32f-4a4a-93f1-934dc6c82436

port/Makefile.in

@@ -0,0 +1,67 @@
+#! smake
+#	$Header: /home/cvsroot/libtiff/port/Makefile.in,v 1.1.1.1 2000/06/24 19:10:16 tshead Exp $
+#
+# @WARNING@
+#
+# Tag Image File Format Library
+#
+# Copyright (c) 1995-1997 Sam Leffler
+# Copyright (c) 1995-1997 Silicon Graphics, Inc.
+# 
+# Permission to use, copy, modify, distribute, and sell this software and 
+# its documentation for any purpose is hereby granted without fee, provided
+# that (i) the above copyright notices and this permission notice appear in
+# all copies of the software and related documentation, and (ii) the names of
+# Sam Leffler and Silicon Graphics may not be used in any advertising or
+# publicity relating to the software without the specific, prior written
+# permission of Sam Leffler and Silicon Graphics.
+# 
+# THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+# EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+# WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+# 
+# IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+# ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
+# LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
+# OF THIS SOFTWARE.
+#
+SRCDIR	= @RELSRCDIR@/port
+VPATH	= @RELSRCDIR@/port
+
+#
+# VERSION:	@VERSION@
+# DATE:		@DATE@
+# TARGET:	@TARGET@
+# CCOMPILER:	@CCOMPILER@
+#
+
+SHELL	= @SCRIPT_SH@
+NULL	=
+CC	= @CCOMPILER@
+AR	= @AR@
+AROPTS	= @AROPTS@
+RANLIB	= @RANLIB@
+
+IPATH	= -I. -I${SRCDIR}
+COPTS	= @GCOPTS@
+OPTIMIZER=-O
+CFLAGS	= @ENVOPTS@ ${COPTS} ${OPTIMIZER} ${IPATH}
+
+CFILES	= @PORTFUNCS@
+OBJECTS	= ${CFILES:.c=.o}
+TARGETS	= libport.a
+
+default all: ${TARGETS}
+
+libport.a: ${OBJECTS}
+	@rm -f $@;
+	${AR} ${AROPTS} $@ ${OBJECTS}
+	${RANLIB} $@
+${PORT}/libport.a: libport.a
+
+install: default
+
+clean:
+	rm -f ${TARGETS} ${OBJS} core a.out

port/getopt.c

@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 1987 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[] = "@(#)getopt.c	4.13 (Berkeley) 2/23/91";
+#endif /* LIBC_SCCS and not lint */
+
+#include <stdio.h>
+#include <string.h>
+
+/*
+ * get option letter from argument vector
+ */
+int	opterr = 1,		/* if error message should be printed */
+	optind = 1,		/* index into parent argv vector */
+	optopt;			/* character checked for validity */
+char	*optarg;		/* argument associated with option */
+
+#define	BADCH	(int)'?'
+#define	EMSG	""
+
+int
+getopt(int nargc, char** nargv, char* ostr)
+{
+	static char *place = EMSG;		/* option letter processing */
+	register char *oli;			/* option letter list index */
+	char *p;
+
+	if (!*place) {				/* update scanning pointer */
+		if (optind >= nargc || *(place = nargv[optind]) != '-') {
+			place = EMSG;
+			return(EOF);
+		}
+		if (place[1] && *++place == '-') {	/* found "--" */
+			++optind;
+			place = EMSG;
+			return(EOF);
+		}
+	}					/* option letter okay? */
+	if ((optopt = (int)*place++) == (int)':' ||
+	    !(oli = strchr(ostr, optopt))) {
+		/*
+		 * if the user didn't specify '-' as an option,
+		 * assume it means EOF.
+		 */
+		if (optopt == (int)'-')
+			return(EOF);
+		if (!*place)
+			++optind;
+		if (opterr) {
+			if (!(p = strrchr(*nargv, '/')))
+				p = *nargv;
+			else
+				++p;
+			(void)fprintf(stderr, "%s: illegal option -- %c\n",
+			    p, optopt);
+		}
+		return(BADCH);
+	}
+	if (*++oli != ':') {			/* don't need argument */
+		optarg = NULL;
+		if (!*place)
+			++optind;
+	}
+	else {					/* need an argument */
+		if (*place)			/* no white space */
+			optarg = place;
+		else if (nargc <= ++optind) {	/* no arg */
+			place = EMSG;
+			if (!(p = strrchr(*nargv, '/')))
+				p = *nargv;
+			else
+				++p;
+			if (opterr)
+				(void)fprintf(stderr,
+				    "%s: option requires an argument -- %c\n",
+				    p, optopt);
+			return(BADCH);
+		}
+	 	else				/* white space */
+			optarg = nargv[optind];
+		place = EMSG;
+		++optind;
+	}
+	return(optopt);				/* dump back option letter */
+}

port/install.sh.in

@@ -0,0 +1,246 @@
+#! @SCRIPT_SH@
+#	$Header: /home/cvsroot/libtiff/port/install.sh.in,v 1.1.1.1 2000/06/24 19:10:16 tshead Exp $
+#
+# @WARNING@
+#
+# HylaFAX Facsimile Software
+#
+# Copyright (c) 1990-1997 Sam Leffler
+# Copyright (c) 1991-1997 Silicon Graphics, Inc.
+# HylaFAX is a trademark of Silicon Graphics
+# 
+# Permission to use, copy, modify, distribute, and sell this software and 
+# its documentation for any purpose is hereby granted without fee, provided
+# that (i) the above copyright notices and this permission notice appear in
+# all copies of the software and related documentation, and (ii) the names of
+# Sam Leffler and Silicon Graphics may not be used in any advertising or
+# publicity relating to the software without the specific, prior written
+# permission of Sam Leffler and Silicon Graphics.
+# 
+# THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+# EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+# WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+# 
+# IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+# ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
+# LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
+# OF THIS SOFTWARE.
+#
+
+#
+# Warning, this file was automatically created by the HylaFAX configure script
+#
+# VERSION:	@VERSION@
+# DATE:		@DATE@
+# TARGET:	@TARGET@
+#
+
+#
+# Shell script to emulate Silicon Graphics install program.
+# We emulate the non-standard interface used by install so
+# that we can build SGI inst packages on SGI systems.  Note
+# that we cannot emulate everything because we don't maintain
+# a history of installed software; thus we cannot tell when
+# configuration files have been modified and save old copies.
+#
+# NB: we don't do chown/chmod/chgrp by default; it must be
+#     explicitly set on the command line.
+#
+
+#
+# install [options] files ...
+# 
+# Options are:
+#
+# -o		save existing target foo as OLDfoo
+# -O		remove existing target foo, if it fails save as OLDfoo
+# -m mode	set mode of installed target
+# -u uid	set uid of installed target
+# -g gid	set gid of installed target
+# -root path	set ROOT directory for target pathnames
+# -dir		create directories
+# -fifo		create FIFO special files
+# -ln path	create hard link
+# -lns path	create symbolic link
+# -src path	source pathname different from target
+# -f dir	install files in the target directory ROOT/dir
+# -F dir	like -f, but create directories that do not exist
+# -v		echo actions
+# -idb stuff	specify package and, optionally, do special work
+#
+preopts=
+postopts=
+SaveFirst=no
+HasSource=yes
+RemoveFirst=no
+NoUpdate=no
+Suggested=no
+Updated=no
+
+CMD=cp
+SRC=
+FILES=
+DESTDIR=
+CHMOD=":"
+CHOWN=":"
+CHGRP=":"
+RM="rm -f"
+MV="mv @MV_F@"
+ECHO=echo
+VERBOSE=":"
+STRIP="@STRIP@"
+CMP=cmp
+
+TARGETS=
+while [ x"$1" != x ]
+do
+    arg=$1
+    case $arg in
+    -m)		shift; CHMOD="@CHMOD@ $1";;
+    -u)		shift; CHOWN="@CHOWN@ $1";;
+    -g)		shift; CHGRP="@CHGRP@ $1";;
+    -o)		SaveFirst=yes;;
+    -O)		RemoveFirst=yes; SaveFirst=yes;;
+    -root)	shift; ROOT=$1;;
+    -dir)	CMD=mkdir; HasSource=no;
+		RM=":"; STRIP=":"
+		;;
+    -fifo)	CMD=@MKFIFO@; HasSource=no;
+		x=`echo $CMD | @SED@ 's;.*/;;'`;
+		test $x = mknod && postopts="p";
+		STRIP=":"
+		;;
+    -ln)	shift; CMD=@LN@; SRC="$1"
+		STRIP=":"
+		;;
+    -lns)	shift; CMD=@LN@; preopts="@LN_S@"; SRC="$1"
+		STRIP=":"
+		;;
+    -src)	shift; SRC="$1";;
+    -[fF])	shift; DESTDIR="$1";;
+    -idb)	shift; opt="$1"
+		case "$opt" in
+		*config\(update\)*)	Updated=yes;;
+		*config\(suggest\)*)	Suggested=yes;;
+		*config\(noupdate\)*)	NoUpdate=yes;;
+		*nostrip*)		STRIP=":";;
+		esac
+		;;
+    # these are skipped/not handled
+    -new|-rawidb|-blk|-chr) shift;;
+    -v)		VERBOSE=$ECHO;;
+    -*) 	;;
+    *)		TARGETS="$TARGETS $arg";;
+    esac
+    shift
+done
+
+#
+# Install the specified target.
+#
+install()
+{
+    src=$1 target=$2
+    if [ $RemoveFirst = yes -a -f $target ]; then
+	$VERBOSE "$RM $target"
+	$RM $target
+    fi
+    if [ $SaveFirst = yes -a -f $target ]; then
+	bf=`echo $src | @SED@ 's;.*/;;'`
+	$VERBOSE "$MV $target $ROOT/$DESTDIR/OLD$bf"
+	$MV $target $ROOT/$DESTDIR/OLD$bf
+    fi
+    if [ -z "$SRC" -a $HasSource = yes ]; then
+	$VERBOSE "$CMD $preopts $src $target $postopts"
+	$CMD $preopts $f $target $postopts
+    else
+	$VERBOSE "$CMD $preopts $SRC $target $postopts"
+	$CMD $preopts $SRC $target $postopts
+    fi
+    if [ $? -eq 0 ]; then
+	$VERBOSE "$CHOWN $target"
+	$CHOWN $target
+	$VERBOSE "$CHGRP $target"
+	$CHGRP $target
+	$VERBOSE "$CHMOD $target"
+	$CHMOD $target
+	if [ $STRIP != ":" -a -x $ROOT/$DESTDIR/$f ]; then
+	    $STRIP $target >/dev/null 2>&1 || true
+	    $VERBOSE "$STRIP $target"
+	fi
+    fi
+}
+
+if [ $Suggested = yes ]; then
+    #
+    # A suggested file.  If an existing target does
+    # not exist, then install it.  Otherwise, install
+    # it as target.N if it's different from the current
+    # installed target.
+    #
+    # NB: cannot be used with a special file 'cuz we
+    #     use test -f to see if the file exists.
+    #
+    for f in $TARGETS; do
+	t=$ROOT/$DESTDIR/$f
+	if [ -f $t ]; then
+	    if [ -z "$SRC" -a $HasSource = yes ]; then
+		$CMP -s $f $t || {
+		    $ECHO "*** Warning, target has local changes, installing $f as $t.N"
+		    install $f $t.N;
+		}
+	    else
+		$CMP -s $SRC $t || {
+		    $ECHO "*** Warning, target has local changes, installing $f as $t.N"
+		    install $f $t.N
+		}
+	    fi
+	else
+	    install $f $t
+	fi
+    done
+elif [ $Updated = yes ]; then
+    #
+    # A file to be updated.  If an existing target does
+    # not exist, then install it.  Otherwise, install
+    # it as target and save the old version as target.O
+    # if the old version is different from the current
+    # installed target.
+    #
+    # NB: cannot be used with a special file 'cuz we
+    #     use test -f to see if the file exists.
+    #
+    for f in $TARGETS; do
+	t=$ROOT/$DESTDIR/$f
+	if [ -f $t ]; then
+	    if [ -z "$SRC" -a $HasSource = yes ]; then
+		$CMP -s $f $t || $MV $t $t.O
+	    else
+		$CMP -s $SRC $t || $MV $t $t.O
+	    fi
+	fi
+	install $f $t
+    done
+elif [ $NoUpdate = yes ]; then
+    #
+    # A file that is never to be updated; the target
+    # is created only if it does not exist.
+    #
+    # NB: cannot be used with a special file 'cuz we
+    #     use test -f to see if the file exists.
+    #
+    for f in $TARGETS; do
+	t=$ROOT/$DESTDIR/$f
+	test -f $t || install $f $t
+    done
+else
+    #
+    # Normal case, a target that should be installed
+    # with the existing copy, optionally, saved first.
+    #
+    for f in $TARGETS; do
+	install $f $ROOT/$DESTDIR/$f
+    done
+fi

port/irix/so_locations

@@ -0,0 +1,4 @@
+libtiff.so \
+		:st = .text 0x5ff70000, 0x00030000:\
+		:st = .data 0x5ffd0000, 0x00030000:\
+

port/strcasecmp.c

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 1987 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that: (1) source distributions retain this entire copyright
+ * notice and comment, and (2) distributions including binaries display
+ * the following acknowledgement:  ``This product includes software
+ * developed by the University of California, Berkeley and its contributors''
+ * in the documentation or other materials provided with the distribution
+ * and in all advertising materials mentioning features or use of this
+ * software. 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+#include <sys/types.h>
+#include <string.h>
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)strcasecmp.c	5.9 (Berkeley) 6/1/90";
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * This array is designed for mapping upper and lower case letter
+ * together for a case independent comparison.  The mappings are
+ * based upon ascii character sequences.
+ */
+static const unsigned char charmap[] = {
+	'\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
+	'\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
+	'\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
+	'\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
+	'\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
+	'\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
+	'\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
+	'\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
+	'\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
+	'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
+	'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
+	'\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
+	'\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
+	'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
+	'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
+	'\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
+	'\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
+	'\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
+	'\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
+	'\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
+	'\240', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
+	'\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
+	'\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
+	'\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
+	'\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307',
+	'\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317',
+	'\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
+	'\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337',
+	'\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
+	'\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
+	'\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
+	'\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377',
+};
+
+int
+strcasecmp(s1, s2)
+	const char *s1, *s2;
+{
+	register const unsigned char *cm = charmap,
+			*us1 = (const unsigned char *)s1,
+			*us2 = (const unsigned char *)s2;
+
+	while (cm[*us1] == cm[*us2++])
+		if (*us1++ == '\0')
+			return (0);
+	return (cm[*us1] - cm[*--us2]);
+}
+
+int
+strncasecmp(s1, s2, n)
+	const char *s1, *s2;
+	register size_t n;
+{
+	if (n != 0) {
+		register const unsigned char *cm = charmap,
+				*us1 = (const unsigned char *)s1,
+				*us2 = (const unsigned char *)s2;
+
+		do {
+			if (cm[*us1] != cm[*us2++])
+				return (cm[*us1] - cm[*--us2]);
+			if (*us1++ == '\0')
+				break;
+		} while (--n != 0);
+	}
+	return (0);
+}

port/strtoul.c

@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 1990 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[] = "@(#)strtoul.c	5.3 (Berkeley) 2/23/91";
+#endif /* LIBC_SCCS and not lint */
+
+#include <limits.h>
+#include <ctype.h>
+#include <errno.h>
+#include <stdlib.h>
+
+/*
+ * Convert a string to an unsigned long integer.
+ *
+ * Ignores `locale' stuff.  Assumes that the upper and lower case
+ * alphabets and digits are each contiguous.
+ */
+unsigned long
+strtoul(nptr, endptr, base)
+	const char *nptr;
+	char **endptr;
+	register int base;
+{
+	register const char *s = nptr;
+	register unsigned long acc;
+	register int c;
+	register unsigned long cutoff;
+	register int neg = 0, any, cutlim;
+
+	/*
+	 * See strtol for comments as to the logic used.
+	 */
+	do {
+		c = *s++;
+	} while (isspace(c));
+	if (c == '-') {
+		neg = 1;
+		c = *s++;
+	} else if (c == '+')
+		c = *s++;
+	if ((base == 0 || base == 16) &&
+	    c == '0' && (*s == 'x' || *s == 'X')) {
+		c = s[1];
+		s += 2;
+		base = 16;
+	}
+	if (base == 0)
+		base = c == '0' ? 8 : 10;
+	cutoff = (unsigned long)ULONG_MAX / (unsigned long)base;
+	cutlim = (unsigned long)ULONG_MAX % (unsigned long)base;
+	for (acc = 0, any = 0;; c = *s++) {
+		if (isdigit(c))
+			c -= '0';
+		else if (isalpha(c))
+			c -= isupper(c) ? 'A' - 10 : 'a' - 10;
+		else
+			break;
+		if (c >= base)
+			break;
+		if (any < 0 || acc > cutoff || acc == cutoff && c > cutlim)
+			any = -1;
+		else {
+			any = 1;
+			acc *= base;
+			acc += c;
+		}
+	}
+	if (any < 0) {
+		acc = ULONG_MAX;
+		errno = ERANGE;
+	} else if (neg)
+		acc = -acc;
+	if (endptr != 0)
+		*endptr = any ? s - 1 : (char *)nptr;
+	return (acc);
+}