diff options
Diffstat (limited to 'src/3rdparty/libtiff/port/strtoul.c')
| -rw-r--r-- | src/3rdparty/libtiff/port/strtoul.c | 91 |
1 files changed, 13 insertions, 78 deletions
diff --git a/src/3rdparty/libtiff/port/strtoul.c b/src/3rdparty/libtiff/port/strtoul.c index 84ab215..dbd44f1 100644 --- a/src/3rdparty/libtiff/port/strtoul.c +++ b/src/3rdparty/libtiff/port/strtoul.c @@ -1,8 +1,9 @@ -/* $Id: strtoul.c,v 1.2 2005-07-07 16:34:06 dron Exp $ */ +/* $NetBSD: strtoul.c,v 1.3 2008/08/20 19:58:34 oster Exp $ */ -/* - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. +/*- + * Copyright (c) 2005 The DragonFly Project. All rights reserved. + * Copyright (c) 2003 Citrus Project, + * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -12,14 +13,11 @@ * 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. 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 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 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) @@ -30,80 +28,17 @@ */ #if 0 -static char sccsid[] = "@(#)strtoul.c 8.1 (Berkeley) 6/4/93"; -__RCSID("$NetBSD: strtoul.c,v 1.16 2003/08/07 16:43:45 agc Exp $"); +__RCSID("$NetBSD: strtoul.c,v 1.3 2008/08/20 19:58:34 oster Exp $"); #endif +#include <assert.h> #include <ctype.h> #include <errno.h> #include <limits.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(const char *nptr, char **endptr, int base) -{ - const char *s; - unsigned long acc, cutoff; - int c; - int neg, any, cutlim; - - /* - * See strtol for comments as to the logic used. - */ - s = nptr; - do { - c = (unsigned char) *s++; - } while (isspace(c)); - if (c == '-') { - neg = 1; - c = *s++; - } else { - neg = 0; - 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; +#define _FUNCNAME strtoul +#define __UINT unsigned long int +#define __UINT_MAX ULONG_MAX - cutoff = ULONG_MAX / (unsigned long)base; - cutlim = (int)(ULONG_MAX % (unsigned long)base); - for (acc = 0, any = 0;; c = (unsigned char) *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) - continue; - if (acc > cutoff || (acc == cutoff && c > cutlim)) { - any = -1; - acc = ULONG_MAX; - errno = ERANGE; - } else { - any = 1; - acc *= (unsigned long)base; - acc += c; - } - } - if (neg && any > 0) - acc = -acc; - if (endptr != 0) - /* LINTED interface specification */ - *endptr = (char *)(any ? s - 1 : nptr); - return (acc); -} +#include "_strtoul.h" |