diff options
Diffstat (limited to 'tiff/port/_strtoul.h')
| -rw-r--r-- | tiff/port/_strtoul.h | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/tiff/port/_strtoul.h b/tiff/port/_strtoul.h deleted file mode 100644 index 5cb62168..00000000 --- a/tiff/port/_strtoul.h +++ /dev/null @@ -1,127 +0,0 @@ -/* $NetBSD: _strtoul.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/_wcstoul.h,v 1.2 2003/08/07 16:43:03 agc Exp - */ - -#include <assert.h> - -/* - * function template for strtoul, strtoull and strtoumax. - * - * parameters: - * _FUNCNAME : function name - * __UINT : return type - * __UINT_MAX : upper limit of the return type - */ -__UINT -_FUNCNAME(const char *nptr, char **endptr, int base) -{ - const char *s; - __UINT 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); - - /* - * See strtol for comments as to the logic used. - */ - cutoff = ((__UINT)__UINT_MAX / (__UINT)base); - cutlim = (int)((__UINT)__UINT_MAX % (__UINT)base); - 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 (acc > cutoff || (acc == cutoff && i > cutlim)) { - acc = __UINT_MAX; - any = -1; - errno = ERANGE; - } else { - any = 1; - acc *= (__UINT)base; - acc += i; - } - } - if (neg && any > 0) - acc = -acc; - if (endptr != NULL) - /* LINTED interface specification */ - *endptr = (char *)(any ? s - 1 : nptr); - return(acc); -} |