| author | "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> |
| Wed Jun 11 21:45:57 2008 +0000 (2008-06-11) | |
| changeset 554 | be6197b5b33b |
| permissions | -rw-r--r-- |
| yann@466 | 1 |
Original patch from http://gmplib.org/patches/mpf_set_str.c.diff |
| yann@466 | 2 |
Re-diffed to match crosstool-NG conventions. |
| yann@466 | 3 |
|
| yann@466 | 4 |
diff -dur gmp-4.2.2.orig/mpf/set_str.c gmp-4.2.2/mpf/set_str.c |
| yann@466 | 5 |
--- gmp-4.2.2.orig/mpf/set_str.c 2007-08-30 20:31:40.000000000 +0200 |
| yann@466 | 6 |
+++ gmp-4.2.2/mpf/set_str.c 2008-01-28 23:05:29.000000000 +0100 |
| yann@466 | 7 |
@@ -271,8 +271,29 @@ |
| yann@466 | 8 |
} |
| yann@466 | 9 |
|
| yann@466 | 10 |
if (expptr != 0) |
| yann@466 | 11 |
- /* FIXME: Should do some error checking here. */ |
| yann@466 | 12 |
- exp_in_base = strtol (expptr, (char **) 0, exp_base); |
| yann@466 | 13 |
+ {
|
| yann@466 | 14 |
+ /* Scan and convert the exponent, in base exp_base. */ |
| yann@466 | 15 |
+ long dig, neg = -(long) ('-' == expptr[0]);
|
| yann@466 | 16 |
+ expptr -= neg; /* conditional increment */ |
| yann@466 | 17 |
+ c = (unsigned char) *expptr++; |
| yann@466 | 18 |
+ dig = digit_value[c]; |
| yann@466 | 19 |
+ if (dig >= exp_base) |
| yann@466 | 20 |
+ {
|
| yann@466 | 21 |
+ TMP_FREE; |
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+ return -1; |
| yann@466 | 23 |
+ } |
| yann@466 | 24 |
+ exp_in_base = dig; |
| yann@466 | 25 |
+ c = (unsigned char) *expptr++; |
| yann@466 | 26 |
+ dig = digit_value[c]; |
| yann@466 | 27 |
+ while (dig < exp_base) |
| yann@466 | 28 |
+ {
|
| yann@466 | 29 |
+ exp_in_base = exp_in_base * exp_base; |
| yann@466 | 30 |
+ exp_in_base += dig; |
| yann@466 | 31 |
+ c = (unsigned char) *expptr++; |
| yann@466 | 32 |
+ dig = digit_value[c]; |
| yann@466 | 33 |
+ } |
| yann@466 | 34 |
+ exp_in_base = (exp_in_base ^ neg) - neg; /* conditional negation */ |
| yann@466 | 35 |
+ } |
| yann@466 | 36 |
else |
| yann@466 | 37 |
exp_in_base = 0; |
| yann@466 | 38 |
if (dotpos != 0) |