patches/gmp/4.2.2/100-mpf_set_str.patch
author Remy Bohmer <linux@bohmer.net>
Sun Jul 11 22:23:34 2010 +0200 (2010-07-11)
changeset 2021 3e52a1510f87
parent 466 7f9bbf94b0bb
permissions -rw-r--r--
debug/gdb: Fix compilation for Mingw hosts

GDB requires PDcurses instead of ncurses while running on Windows.
So, do not always compile ncurses in case GDB needs to build.

PDcurses is provided by an earlier build step and is not described in
this file.

Signed-off-by: Remy Bohmer <linux@bohmer.net>
[yann.morin.1998@anciense.nib.fr: we already have a way to detect ncurses usage]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
     1 Original patch from http://gmplib.org/patches/mpf_set_str.c.diff
     2 Re-diffed to match crosstool-NG conventions.
     3 
     4 diff -dur gmp-4.2.2.orig/mpf/set_str.c gmp-4.2.2/mpf/set_str.c
     5 --- gmp-4.2.2.orig/mpf/set_str.c	2007-08-30 20:31:40.000000000 +0200
     6 +++ gmp-4.2.2/mpf/set_str.c	2008-01-28 23:05:29.000000000 +0100
     7 @@ -271,8 +271,29 @@
     8        }
     9  
    10      if (expptr != 0)
    11 -      /* FIXME: Should do some error checking here.  */
    12 -      exp_in_base = strtol (expptr, (char **) 0, exp_base);
    13 +      {
    14 +	/* Scan and convert the exponent, in base exp_base.  */
    15 +	long dig, neg = -(long) ('-' == expptr[0]);
    16 +	expptr -= neg;			/* conditional increment */
    17 +	c = (unsigned char) *expptr++;
    18 +	dig = digit_value[c];
    19 +	if (dig >= exp_base)
    20 +	  {
    21 +	    TMP_FREE;
    22 +	    return -1;
    23 +	  }
    24 +	exp_in_base = dig;
    25 +	c = (unsigned char) *expptr++;
    26 +	dig = digit_value[c];
    27 +	while (dig < exp_base)
    28 +	  {
    29 +	    exp_in_base = exp_in_base * exp_base;
    30 +	    exp_in_base += dig;
    31 +	    c = (unsigned char) *expptr++;
    32 +	    dig = digit_value[c];
    33 +	  }
    34 +	exp_in_base = (exp_in_base ^ neg) - neg; /* conditional negation */
    35 +      }
    36      else
    37        exp_in_base = 0;
    38      if (dotpos != 0)