diff options
| -rw-r--r-- | libass/ass_strtod.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/libass/ass_strtod.c b/libass/ass_strtod.c index 9625491..1b1a5c2 100644 --- a/libass/ass_strtod.c +++ b/libass/ass_strtod.c @@ -95,6 +95,7 @@ ass_strtod( size_t mantSize; /* Number of digits in mantissa. */ size_t decPt; /* Number of mantissa digits BEFORE decimal * point. */ + size_t leadZeros; /* Number of leading zeros in mantissa. */ const char *pExp; /* Temporarily holds location of exponent * in string. */ @@ -122,6 +123,7 @@ ass_strtod( */ decPt = -1; + leadZeros = -1; for (mantSize = 0; ; mantSize += 1) { c = *p; @@ -130,6 +132,8 @@ ass_strtod( break; } decPt = mantSize; + } else if ((c != '0') && (leadZeros == (size_t) -1)) { + leadZeros = mantSize; } p += 1; } @@ -141,15 +145,21 @@ ass_strtod( * they can't affect the value anyway. */ + if (leadZeros == (size_t) -1) { + leadZeros = mantSize; + } pExp = p; - p -= mantSize; + p -= mantSize - leadZeros; if (decPt == (size_t) -1) { decPt = mantSize; } else { mantSize -= 1; /* One of the digits was the point. */ + if (decPt < leadZeros) { + leadZeros -= 1; + } } - if (mantSize > 18) { - mantSize = 18; + if (mantSize - leadZeros > 18) { + mantSize = leadZeros + 18; } if (decPt < mantSize) { fracExpSign = 1; @@ -164,6 +174,7 @@ ass_strtod( goto done; } else { int frac1, frac2; + mantSize -= leadZeros; frac1 = 0; for ( ; mantSize > 9; mantSize -= 1) { |