17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57257d1b4Sraf * Common Development and Distribution License (the "License").
67257d1b4Sraf * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
217257d1b4Sraf
227c478bd9Sstevel@tonic-gate /*
232ef9abdcSjv * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
247c478bd9Sstevel@tonic-gate * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
2828de4f3cSToomas Soome /* All Rights Reserved */
297c478bd9Sstevel@tonic-gate
30*6ffde572SToomas Soome #if defined(_KERNEL)
3128de4f3cSToomas Soome #include <sys/null.h>
32*6ffde572SToomas Soome #endif /* _KERNEL */
33*6ffde572SToomas Soome
34*6ffde572SToomas Soome #if defined(_KERNEL) && !defined(_BOOT)
352ef9abdcSjv #include <sys/errno.h>
362ef9abdcSjv #else /* _KERNEL && !_BOOT */
3728de4f3cSToomas Soome #if !defined(_BOOT) && !defined(_KMDB) && !defined(_STANDALONE)
387257d1b4Sraf #include "lint.h"
3928de4f3cSToomas Soome #endif /* !_BOOT && !_KMDB && !_STANDALONE */
4028de4f3cSToomas Soome #if defined(_STANDALONE)
4128de4f3cSToomas Soome #include <sys/cdefs.h>
4228de4f3cSToomas Soome #include <stand.h>
4328de4f3cSToomas Soome #include <limits.h>
4428de4f3cSToomas Soome
4528de4f3cSToomas Soome typedef long long longlong_t;
4628de4f3cSToomas Soome #else
477c478bd9Sstevel@tonic-gate #include <errno.h>
487c478bd9Sstevel@tonic-gate #include <ctype.h>
497c478bd9Sstevel@tonic-gate #include <limits.h>
507c478bd9Sstevel@tonic-gate #include <stdlib.h>
5128de4f3cSToomas Soome #endif /* _STANDALONE */
522ef9abdcSjv #endif /* _KERNEL && !_BOOT */
532ef9abdcSjv #include "strtolctype.h"
542ef9abdcSjv #include <sys/types.h>
557c478bd9Sstevel@tonic-gate
562ef9abdcSjv #if defined(_KERNEL) && !defined(_BOOT)
572ef9abdcSjv int
ddi_strtoll(const char * str,char ** nptr,int base,longlong_t * result)582ef9abdcSjv ddi_strtoll(const char *str, char **nptr, int base, longlong_t *result)
592ef9abdcSjv #else /* _KERNEL && !_BOOT */
607c478bd9Sstevel@tonic-gate longlong_t
617c478bd9Sstevel@tonic-gate strtoll(const char *str, char **nptr, int base)
622ef9abdcSjv #endif /* _KERNEL && !_BOOT */
637c478bd9Sstevel@tonic-gate {
647c478bd9Sstevel@tonic-gate longlong_t val;
657c478bd9Sstevel@tonic-gate int c;
662ef9abdcSjv int xx;
672ef9abdcSjv int neg = 0;
682ef9abdcSjv longlong_t multmin;
692ef9abdcSjv longlong_t limit;
707c478bd9Sstevel@tonic-gate const char **ptr = (const char **)nptr;
712ef9abdcSjv const unsigned char *ustr = (const unsigned char *)str;
727c478bd9Sstevel@tonic-gate
7328de4f3cSToomas Soome if (ptr != NULL)
747c478bd9Sstevel@tonic-gate *ptr = (char *)ustr; /* in case no number is formed */
757c478bd9Sstevel@tonic-gate if (base < 0 || base > MBASE || base == 1) {
762ef9abdcSjv /* base is invalid -- should be a fatal error */
772ef9abdcSjv #if defined(_KERNEL) && !defined(_BOOT)
782ef9abdcSjv return (EINVAL);
792ef9abdcSjv #else /* _KERNEL && !_BOOT */
807c478bd9Sstevel@tonic-gate errno = EINVAL;
812ef9abdcSjv return (0);
822ef9abdcSjv #endif /* _KERNEL && !_BOOT */
837c478bd9Sstevel@tonic-gate }
847c478bd9Sstevel@tonic-gate if (!isalnum(c = *ustr)) {
857c478bd9Sstevel@tonic-gate while (isspace(c))
867c478bd9Sstevel@tonic-gate c = *++ustr;
877c478bd9Sstevel@tonic-gate switch (c) {
887c478bd9Sstevel@tonic-gate case '-':
897c478bd9Sstevel@tonic-gate neg++;
907c478bd9Sstevel@tonic-gate /* FALLTHROUGH */
917c478bd9Sstevel@tonic-gate case '+':
927c478bd9Sstevel@tonic-gate c = *++ustr;
937c478bd9Sstevel@tonic-gate }
947c478bd9Sstevel@tonic-gate }
9528de4f3cSToomas Soome if (base == 0) {
967c478bd9Sstevel@tonic-gate if (c != '0')
977c478bd9Sstevel@tonic-gate base = 10;
987c478bd9Sstevel@tonic-gate else if (ustr[1] == 'x' || ustr[1] == 'X')
997c478bd9Sstevel@tonic-gate base = 16;
1007c478bd9Sstevel@tonic-gate else
1017c478bd9Sstevel@tonic-gate base = 8;
10228de4f3cSToomas Soome }
1037c478bd9Sstevel@tonic-gate /*
1047c478bd9Sstevel@tonic-gate * for any base > 10, the digits incrementally following
1057c478bd9Sstevel@tonic-gate * 9 are assumed to be "abc...z" or "ABC...Z"
1067c478bd9Sstevel@tonic-gate */
1072ef9abdcSjv if (!lisalnum(c) || (xx = DIGIT(c)) >= base) {
1082ef9abdcSjv /* no number formed */
1092ef9abdcSjv #if defined(_KERNEL) && !defined(_BOOT)
1102ef9abdcSjv return (EINVAL);
1112ef9abdcSjv #else /* _KERNEL && !_BOOT */
1122ef9abdcSjv return (0);
1132ef9abdcSjv #endif /* _KERNEL && !_BOOT */
1142ef9abdcSjv }
1157c478bd9Sstevel@tonic-gate if (base == 16 && c == '0' && (ustr[1] == 'x' || ustr[1] == 'X') &&
1167257d1b4Sraf isxdigit(ustr[2]))
1177c478bd9Sstevel@tonic-gate c = *(ustr += 2); /* skip over leading "0x" or "0X" */
1187c478bd9Sstevel@tonic-gate
1192ef9abdcSjv /* this code assumes that abs(LLONG_MIN) >= abs(LLONG_MAX) */
1207c478bd9Sstevel@tonic-gate if (neg)
1212ef9abdcSjv limit = LLONG_MIN;
1227c478bd9Sstevel@tonic-gate else
1232ef9abdcSjv limit = -LLONG_MAX;
1242ef9abdcSjv multmin = limit / (longlong_t)base;
1257c478bd9Sstevel@tonic-gate val = -DIGIT(c);
1267c478bd9Sstevel@tonic-gate for (c = *++ustr; lisalnum(c) && (xx = DIGIT(c)) < base; ) {
1272ef9abdcSjv /* accumulate neg avoids surprises near LLONG_MAX */
1287c478bd9Sstevel@tonic-gate if (val < multmin)
1297c478bd9Sstevel@tonic-gate goto overflow;
1307c478bd9Sstevel@tonic-gate val *= base;
1317c478bd9Sstevel@tonic-gate if (val < limit + xx)
1327c478bd9Sstevel@tonic-gate goto overflow;
1337c478bd9Sstevel@tonic-gate val -= xx;
1347c478bd9Sstevel@tonic-gate c = *++ustr;
1357c478bd9Sstevel@tonic-gate }
13628de4f3cSToomas Soome if (ptr != NULL)
1377c478bd9Sstevel@tonic-gate *ptr = (char *)ustr;
1382ef9abdcSjv #if defined(_KERNEL) && !defined(_BOOT)
1392ef9abdcSjv *result = neg ? val : -val;
1402ef9abdcSjv return (0);
1412ef9abdcSjv #else /* _KERNEL && !_BOOT */
1427c478bd9Sstevel@tonic-gate return (neg ? val : -val);
1432ef9abdcSjv #endif /* _KERNEL && !_BOOT */
1447c478bd9Sstevel@tonic-gate
1457c478bd9Sstevel@tonic-gate overflow:
1467c478bd9Sstevel@tonic-gate for (c = *++ustr; lisalnum(c) && (xx = DIGIT(c)) < base; (c = *++ustr))
1477c478bd9Sstevel@tonic-gate ;
14828de4f3cSToomas Soome if (ptr != NULL)
1497c478bd9Sstevel@tonic-gate *ptr = (char *)ustr;
1502ef9abdcSjv #if defined(_KERNEL) && !defined(_BOOT)
1512ef9abdcSjv return (ERANGE);
1522ef9abdcSjv #else /* _KERNEL && !_BOOT */
1537c478bd9Sstevel@tonic-gate errno = ERANGE;
1542ef9abdcSjv return (neg ? LLONG_MIN : LLONG_MAX);
1552ef9abdcSjv #endif /* _KERNEL && !_BOOT */
1567c478bd9Sstevel@tonic-gate }
157