summaryrefslogtreecommitdiff
path: root/packages/gmp/gmp-4.2.2/mpf_set_str_c.diff
blob: 192461164087a233ba489a6ab3a488ab95aa7b1d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
*** gmp-4.2.2.orig/mpf/set_str.c	30 Aug 2007 18:19:41 -0000
--- gmp-4.2.2/mpf/set_str.c	10 Dec 2007 04:47:18 -0000
*************** mpf_set_str (mpf_ptr x, const char *str,
*** 272,277 ****
  
      if (expptr != 0)
!       /* FIXME: Should do some error checking here.  */
!       exp_in_base = strtol (expptr, (char **) 0, exp_base);
      else
        exp_in_base = 0;
--- 272,298 ----
  
      if (expptr != 0)
!       {
! 	/* 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;