gvsafronov/rapidjson
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When length is 0, the code does nothing, so skip it completely.

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Previously, os.Push(0) would do nothing as well. But with the newly added assertion, is the stack is empty, it will fail the assertion.
This commit is contained in:
Patrick Cheng 2016-09-30 13:44:15 -07:00
parent 91a803d463
commit 95224aff7d
1 changed files with 6 additions and 4 deletions
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2
include/rapidjson/reader.h
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@ -948,11 +948,13 @@ private:
#else #else
length = static_cast<SizeType>(__builtin_ffs(r) - 1); length = static_cast<SizeType>(__builtin_ffs(r) - 1);
#endif #endif
if (length != 0) {
char* q = reinterpret_cast<char*>(os.Push(length)); char* q = reinterpret_cast<char*>(os.Push(length));
for (size_t i = 0; i < length; i++) for (size_t i = 0; i < length; i++)
q[i] = p[i]; q[i] = p[i];
p += length; p += length;
}
break; break;
} }
_mm_storeu_si128(reinterpret_cast<__m128i *>(os.Push(16)), s); _mm_storeu_si128(reinterpret_cast<__m128i *>(os.Push(16)), s);