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Diffstat (limited to 'tiff/port/_strtol.h')
| -rw-r--r-- | tiff/port/_strtol.h | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/tiff/port/_strtol.h b/tiff/port/_strtol.h deleted file mode 100644 index 73a10063..00000000 --- a/tiff/port/_strtol.h +++ /dev/null @@ -1,160 +0,0 @@ -/* $NetBSD: _strtol.h,v 1.11 2017/07/06 21:08:44 joerg Exp $ */ - -/*- - * Copyright (c) 1990, 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. 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. - * - * Original version ID: - * NetBSD: src/lib/libc/locale/_wcstol.h,v 1.2 2003/08/07 16:43:03 agc Exp - */ - -#include <assert.h> - -/* - * function template for strtol, strtoll and strtoimax. - * - * parameters: - * _FUNCNAME : function name - * __INT : return type - * __INT_MIN : lower limit of the return type - * __INT_MAX : upper limit of the return type - */ -__INT -_FUNCNAME(const char *nptr, char **endptr, int base) -{ - const char *s; - __INT acc, cutoff; - unsigned char c; - int i, neg, any, cutlim; - - assert(nptr != NULL); - /* endptr may be NULL */ - - /* check base value */ - if (base && (base < 2 || base > 36)) { - errno = EINVAL; - if (endptr != NULL) - /* LINTED interface specification */ - *endptr = (char *)(nptr); - return 0; - } - - /* - * Skip white space and pick up leading +/- sign if any. - * If base is 0, allow 0x for hex and 0 for octal, else - * assume decimal; if base is already 16, allow 0x. - */ - s = nptr; - do { - c = *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') && - ((s[1] >= '0' && s[1] <= '9') || - (s[1] >= 'a' && s[1] <= 'f') || - (s[1] >= 'A' && s[1] <= 'F'))) { - c = s[1]; - s += 2; - base = 16; - } else if (base == 0) - base = (c == '0' ? 8 : 10); - - /* - * Compute the cutoff value between legal numbers and illegal - * numbers. That is the largest legal value, divided by the - * base. An input number that is greater than this value, if - * followed by a legal input character, is too big. One that - * is equal to this value may be valid or not; the limit - * between valid and invalid numbers is then based on the last - * digit. For instance, if the range for longs is - * [-2147483648..2147483647] and the input base is 10, - * cutoff will be set to 214748364 and cutlim to either - * 7 (neg==0) or 8 (neg==1), meaning that if we have accumulated - * a value > 214748364, or equal but the next digit is > 7 (or 8), - * the number is too big, and we will return a range error. - * - * Set any if any `digits' consumed; make it negative to indicate - * overflow. - */ - cutoff = (__INT)(neg ? __INT_MIN : __INT_MAX); - cutlim = (int)(cutoff % base); - cutoff /= base; - if (neg) { - if (cutlim > 0) { - cutlim -= base; - cutoff += 1; - } - cutlim = -cutlim; - } - for (acc = 0, any = 0;; c = *s++) { - if (c >= '0' && c <= '9') - i = c - '0'; - else if (c >= 'a' && c <= 'z') - i = (c - 'a') + 10; - else if (c >= 'A' && c <= 'Z') - i = (c - 'A') + 10; - else - break; - if (i >= base) - break; - if (any < 0) - continue; - if (neg) { - if (acc < cutoff || (acc == cutoff && i > cutlim)) { - acc = __INT_MIN; - any = -1; - errno = ERANGE; - } else { - any = 1; - acc *= base; - acc -= i; - } - } else { - if (acc > cutoff || (acc == cutoff && i > cutlim)) { - acc = __INT_MAX; - any = -1; - errno = ERANGE; - } else { - any = 1; - acc *= base; - acc += i; - } - } - } - if (endptr != NULL) - /* LINTED interface specification */ - *endptr = (char *)(any ? s - 1 : nptr); - return(acc); -} |