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Replace FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION with fmt-specific macro (#1650)

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Signed-off-by: Asra Ali <asraa@google.com>
This commit is contained in:
asraa
2020-04-29 12:12:43 -04:00
committed by GitHub
parent f2ed03b919
commit e2ff910675
5 changed files with 14 additions and 8 deletions
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2
include/fmt/format-inl.h
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@@ -1151,7 +1151,7 @@ int snprintf_float(T value, int precision, float_specs specs,
for (;;) {
auto begin = buf.data() + offset;
auto capacity = buf.capacity() - offset;
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
#ifdef FMT_FUZZ
if (precision > 100000)
throw std::runtime_error(
"fuzz mode - avoid large allocation inside snprintf");

4
include/fmt/format.h
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@@ -699,7 +699,7 @@ class basic_memory_buffer : public internal::buffer<T> {
template <typename T, std::size_t SIZE, typename Allocator>
void basic_memory_buffer<T, SIZE, Allocator>::grow(std::size_t size) {
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
#ifdef FMT_FUZZ
if (size > 1000) throw std::runtime_error("fuzz mode - won't grow that much");
#endif
std::size_t old_capacity = this->capacity();
@@ -1136,7 +1136,7 @@ template <typename Char> class float_writer {
*it++ = static_cast<Char>('0');
return it;
}
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
#ifdef FMT_FUZZ
if (num_zeros > 1000)
throw std::runtime_error("fuzz mode - avoiding excessive cpu use");
#endif