diff options
Diffstat (limited to 'gnu/lib/libgmp/mpz/set_str.c')
-rw-r--r-- | gnu/lib/libgmp/mpz/set_str.c | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/gnu/lib/libgmp/mpz/set_str.c b/gnu/lib/libgmp/mpz/set_str.c deleted file mode 100644 index d1334b1..0000000 --- a/gnu/lib/libgmp/mpz/set_str.c +++ /dev/null @@ -1,132 +0,0 @@ -/* mpz_set_str(mp_dest, string, base) -- Convert the \0-terminated - string STRING in base BASE to multiple precision integer in - MP_DEST. Allow white space in the string. If BASE == 0 determine - the base in the C standard way, i.e. 0xhh...h means base 16, - 0oo...o means base 8, otherwise assume base 10. - -Copyright (C) 1991, 1993, 1994, Free Software Foundation, Inc. - -This file is part of the GNU MP Library. - -The GNU MP Library is free software; you can redistribute it and/or modify -it under the terms of the GNU Library General Public License as published by -the Free Software Foundation; either version 2 of the License, or (at your -option) any later version. - -The GNU MP Library 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 Library General Public -License for more details. - -You should have received a copy of the GNU Library General Public License -along with the GNU MP Library; see the file COPYING.LIB. If not, write to -the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, -MA 02111-1307, USA. */ - -#include <ctype.h> -#include "gmp.h" -#include "gmp-impl.h" -#include "longlong.h" - -static int -digit_value_in_base (c, base) - int c; - int base; -{ - int digit; - - if (isdigit (c)) - digit = c - '0'; - else if (islower (c)) - digit = c - 'a' + 10; - else if (isupper (c)) - digit = c - 'A' + 10; - else - return -1; - - if (digit < base) - return digit; - return -1; -} - -int -#if __STDC__ -mpz_set_str (mpz_ptr x, const char *str, int base) -#else -mpz_set_str (x, str, base) - mpz_ptr x; - const char *str; - int base; -#endif -{ - size_t str_size; - char *s, *begs; - size_t i; - mp_size_t xsize; - int c; - int negative; - TMP_DECL (marker); - - /* Skip whitespace. */ - do - c = *str++; - while (isspace (c)); - - negative = 0; - if (c == '-') - { - negative = 1; - c = *str++; - } - - if (digit_value_in_base (c, base == 0 ? 10 : base) < 0) - return -1; /* error if no digits */ - - /* If BASE is 0, try to find out the base by looking at the initial - characters. */ - if (base == 0) - { - base = 10; - if (c == '0') - { - base = 8; - c = *str++; - if (c == 'x' || c == 'X') - { - base = 16; - c = *str++; - } - } - } - - TMP_MARK (marker); - str_size = strlen (str - 1); - s = begs = (char *) TMP_ALLOC (str_size + 1); - - for (i = 0; i < str_size; i++) - { - if (!isspace (c)) - { - int dig = digit_value_in_base (c, base); - if (dig < 0) - { - TMP_FREE (marker); - return -1; - } - *s++ = dig; - } - c = *str++; - } - - str_size = s - begs; - - xsize = str_size / __mp_bases[base].chars_per_limb + 1; - if (x->_mp_alloc < xsize) - _mpz_realloc (x, xsize); - - xsize = mpn_set_str (x->_mp_d, (unsigned char *) begs, str_size, base); - x->_mp_size = negative ? -xsize : xsize; - - TMP_FREE (marker); - return 0; -} |