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# Filename: package/.../gmp/gmp-4.2.2-mpf_set_str.c.patch
# Copyright (C) 2008 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
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# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
# of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
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Origin: http://gmplib.org
Description: When using mpf_set_str, mpf_init_set_str, or mpf_inp_str with
             a base > 36, the supplied base will actually be ignored, and
             the exponent 0 will be supplanted.

--- gmp-4.2.2/mpf/set_str.c.orig	2007-08-30 18:31:40.000000000 +0000
+++ gmp-4.2.2/mpf/set_str.c	2008-02-25 18:20:36.000000000 +0000
@@ -271,8 +271,29 @@
       }
 
     if (expptr != 0)
-      /* FIXME: Should do some error checking here.  */
-      exp_in_base = strtol (expptr, (char **) 0, exp_base);
+      {
+	/* Scan and convert the exponent, in base exp_base.  */
+	long dig, neg = -(long) ('-' == expptr[0]);
+	expptr -= neg;			/* conditional increment */
+	c = (unsigned char) *expptr++;
+	dig = digit_value[c];
+	if (dig >= exp_base)
+	  {
+	    TMP_FREE;
+	    return -1;
+	  }
+	exp_in_base = dig;
+	c = (unsigned char) *expptr++;
+	dig = digit_value[c];
+	while (dig < exp_base)
+	  {
+	    exp_in_base = exp_in_base * exp_base;
+	    exp_in_base += dig;
+	    c = (unsigned char) *expptr++;
+	    dig = digit_value[c];
+	  }
+	exp_in_base = (exp_in_base ^ neg) - neg; /* conditional negation */
+      }
     else
       exp_in_base = 0;
     if (dotpos != 0)