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Fix corner case in string to number conversion.

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This commit is contained in:
Mike Pall 2014-12-27 05:46:51 +01:00
parent 10caad0261
commit 1b774d9da3
1 changed files with 4 additions and 3 deletions
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7
src/lj_strscan.c
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@ -289,14 +289,15 @@ static StrScanFmt strscan_dec(const uint8_t *p, TValue *o,
/* Scale down until no more than 17 or 18 integer part digits remain. */ /* Scale down until no more than 17 or 18 integer part digits remain. */
while (idig > 9) { while (idig > 9) {
uint32_t i, cy = 0; uint32_t i = hi, cy = 0;
ex2 += 6; ex2 += 6;
for (i = hi; i != lo; i = DNEXT(i)) { do {
cy += xi[i]; cy += xi[i];
xi[i] = (cy >> 6); xi[i] = (cy >> 6);
cy = 100 * (cy & 0x3f); cy = 100 * (cy & 0x3f);
if (xi[i] == 0 && i == hi) hi = DNEXT(hi), idig--; if (xi[i] == 0 && i == hi) hi = DNEXT(hi), idig--;
} i = DNEXT(i);
} while (i != lo);
while (cy) { while (cy) {
if (hi == lo) { xi[DPREV(lo)] |= 1; break; } if (hi == lo) { xi[DPREV(lo)] |= 1; break; }
xi[lo] = (cy >> 6); lo = DNEXT(lo); xi[lo] = (cy >> 6); lo = DNEXT(lo);