aboutsummaryrefslogtreecommitdiff
path: root/contrib/groff/src/libs/libgroff/strtol.c
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/groff/src/libs/libgroff/strtol.c')
-rw-r--r--contrib/groff/src/libs/libgroff/strtol.c133
1 files changed, 0 insertions, 133 deletions
diff --git a/contrib/groff/src/libs/libgroff/strtol.c b/contrib/groff/src/libs/libgroff/strtol.c
deleted file mode 100644
index 0c758a076b94..000000000000
--- a/contrib/groff/src/libs/libgroff/strtol.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/* Copyright (C) 1989, 1990, 1991, 1992, 2000, 2001
- Free Software Foundation, Inc.
- Written by James Clark (jjc@jclark.com)
-
-This file is part of groff.
-
-groff is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-groff is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License along
-with groff; see the file COPYING. If not, write to the Free Software
-Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <string.h>
-#include <ctype.h>
-#include <errno.h>
-
-#ifdef HAVE_LIMITS_H
-#include <limits.h>
-#endif
-
-#ifndef LONG_MAX
-#define LONG_MAX 2147483647
-#endif
-
-#ifndef LONG_MIN
-#define LONG_MIN (-LONG_MAX-1)
-#endif
-
-#ifdef isascii
-#define ISASCII(c) isascii(c)
-#else
-#define ISASCII(c) (1)
-#endif
-
-long strtol(str, ptr, base)
- char *str, **ptr;
- int base;
-{
- char *start = str;
- int neg = 0;
- long val;
- char *p;
- static char digits[] = "0123456789abcdefghijklmnopqrstuvwxyz";
-
- while (ISASCII((unsigned char)*str) && isspace((unsigned char)*str))
- str++;
-
- if (*str == '-') {
- neg = 1;
- str++;
- }
- if (base == 0) {
- if (*str == '0') {
- if (str[1] == 'x' || str[1] == 'X') {
- str += 2;
- base = 16;
- }
- else
- base = 8;
- }
- else
- base = 10;
- }
- if (base < 2 || base > 36)
- base = 10;
- else if (base == 16 && *str == '0' && (str[1] == 'x' || str[1] == 'X'))
- str += 2;
-
- p = strchr(digits, (ISASCII((unsigned char)*str)
- && isupper((unsigned char)*str)
- ? tolower((unsigned char)*str)
- : *str));
- if (p == 0 || (val = (p - digits)) >= base) {
- if (base == 16 && str > start && (str[-1] == 'x' || str[-1] == 'X')) {
- if (ptr)
- *ptr = str - 1;
- }
- else {
- if (ptr)
- *ptr = start;
- errno = ERANGE;
- }
- return 0;
- }
- if (neg)
- val = -val;
-
- while (*++str != '\0') {
- int n;
-
- p = strchr(digits, (ISASCII((unsigned char)*str)
- && isupper((unsigned char)*str)
- ? tolower((unsigned char)*str) : *str));
- if (p == 0)
- break;
- n = p - digits;
- if (n >= base)
- break;
- if (neg) {
- if (-(unsigned long)val > (-(unsigned long)LONG_MIN - n)/base) {
- val = LONG_MIN;
- errno = ERANGE;
- }
- else
- val = val*base - n;
- }
- else {
- if (val > (LONG_MAX - n)/base) {
- val = LONG_MAX;
- errno = ERANGE;
- }
- else
- val = val*base + n;
- }
- }
-
- if (ptr)
- *ptr = str;
-
- return val;
-}