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39 lines
1.1 KiB
Diff
39 lines
1.1 KiB
Diff
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Original patch from http://gmplib.org/patches/mpf_set_str.c.diff
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Re-diffed to match crosstool-NG conventions.
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diff -dur gmp-4.2.2.orig/mpf/set_str.c gmp-4.2.2/mpf/set_str.c
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--- gmp-4.2.2.orig/mpf/set_str.c 2007-08-30 20:31:40.000000000 +0200
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+++ gmp-4.2.2/mpf/set_str.c 2008-01-28 23:05:29.000000000 +0100
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@@ -271,8 +271,29 @@
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}
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if (expptr != 0)
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- /* FIXME: Should do some error checking here. */
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- exp_in_base = strtol (expptr, (char **) 0, exp_base);
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+ {
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+ /* Scan and convert the exponent, in base exp_base. */
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+ long dig, neg = -(long) ('-' == expptr[0]);
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+ expptr -= neg; /* conditional increment */
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+ c = (unsigned char) *expptr++;
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+ dig = digit_value[c];
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+ if (dig >= exp_base)
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+ {
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+ TMP_FREE;
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+ return -1;
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+ }
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+ exp_in_base = dig;
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+ c = (unsigned char) *expptr++;
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+ dig = digit_value[c];
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+ while (dig < exp_base)
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+ {
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+ exp_in_base = exp_in_base * exp_base;
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+ exp_in_base += dig;
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+ c = (unsigned char) *expptr++;
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+ dig = digit_value[c];
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+ }
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+ exp_in_base = (exp_in_base ^ neg) - neg; /* conditional negation */
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+ }
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else
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exp_in_base = 0;
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if (dotpos != 0)
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