diff options
| author | thorpej <thorpej@NetBSD.org> | 2006-04-22 15:33:33 +0000 |
|---|---|---|
| committer | thorpej <thorpej@NetBSD.org> | 2006-04-22 15:33:33 +0000 |
| commit | 7d3d66c90e4d9d3758b8f7dc615a9ebbc842c06b (patch) | |
| tree | 5e8ab68430ceb3673c504fd4724c0b832fcdb9b7 /lib/libc/stdlib | |
| parent | 94cc274ebe04ce083d01692d94c98456b0d678dd (diff) | |
Move strtoumax.c from libc/stdlib to common/libc/stdlib and include it
in libkern. Required for new code coming soon.
Diffstat (limited to 'lib/libc/stdlib')
| -rw-r--r-- | lib/libc/stdlib/strtoumax.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/lib/libc/stdlib/strtoumax.c b/lib/libc/stdlib/strtoumax.c deleted file mode 100644 index 45fa0029613..00000000000 --- a/lib/libc/stdlib/strtoumax.c +++ /dev/null @@ -1,125 +0,0 @@ -/* $NetBSD: strtoumax.c,v 1.6 2005/11/29 03:12:00 christos 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. - */ - -#include <sys/cdefs.h> -#if defined(LIBC_SCCS) && !defined(lint) -#if 0 -static char sccsid[] = "from: @(#)strtoul.c 8.1 (Berkeley) 6/4/93"; -#else -__RCSID("$NetBSD: strtoumax.c,v 1.6 2005/11/29 03:12:00 christos Exp $"); -#endif -#endif /* LIBC_SCCS and not lint */ - -#include "namespace.h" - -#include <assert.h> -#include <ctype.h> -#include <errno.h> -#include <inttypes.h> -#include <stddef.h> - -#ifdef __weak_alias -__weak_alias(strtoumax, _strtoumax) -#endif - -/* - * Convert a string to an uintmax_t. - * - * Ignores `locale' stuff. Assumes that the upper and lower case - * alphabets and digits are each contiguous. - */ -uintmax_t -_strtoumax(nptr, endptr, base) - const char *nptr; - char **endptr; - int base; -{ - const char *s; - uintmax_t acc, cutoff; - int c; - int neg, any, cutlim; - - _DIAGASSERT(nptr != NULL); - /* endptr may be NULL */ - - /* - * 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; - - cutoff = UINTMAX_MAX / (uintmax_t)base; - cutlim = (int)(UINTMAX_MAX % (uintmax_t)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 = UINTMAX_MAX; - errno = ERANGE; - } else { - any = 1; - acc *= (uintmax_t)base; - acc += c; - } - } - if (neg && any > 0) - acc = -acc; - if (endptr != 0) - *endptr = __UNCONST(any ? s - 1 : nptr); - return (acc); -} |
