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Unified Diff: base/third_party/dmg_fp/dtoa.cc

Issue 2296503003: Fix parsing of exponents in StringToDouble. (Closed)
Patch Set: better comments Created 4 years, 3 months ago
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Index: base/third_party/dmg_fp/dtoa.cc
diff --git a/base/third_party/dmg_fp/dtoa.cc b/base/third_party/dmg_fp/dtoa.cc
index 502c16cc72f3ccc7ff217434ebf011e07acbf4a7..f3d793edc48be86dbf7e43839a0fe2e20f731d14 100644
--- a/base/third_party/dmg_fp/dtoa.cc
+++ b/base/third_party/dmg_fp/dtoa.cc
@@ -2597,8 +2597,11 @@ strtod
if (c > '0' && c <= '9') {
L = c - '0';
s1 = s;
- while((c = *++s) >= '0' && c <= '9')
+ while((c = *++s) >= '0' && c <= '9') {
L = 10*L + c - '0';
+ if (L > DBL_MAX_10_EXP)
+ break;
+ }
if (s - s1 > 8 || L > 19999)
/* Avoid confusion from exponents
* so large that e might overflow.
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