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use FMT_THROW

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Signed-off-by: Asra Ali <asraa@google.com>
This commit is contained in:
Asra Ali 2020-04-27 09:53:19 -04:00
parent 6f435f55c8
commit 9aa1517525
4 changed files with 7 additions and 7 deletions
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4
include/fmt/format-inl.h
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@ -1153,8 +1153,8 @@ int snprintf_float(T value, int precision, float_specs specs,
auto capacity = buf.capacity() - offset;
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
if (precision > 100000)
throw std::runtime_error(
"fuzz mode - avoid large allocation inside snprintf");
FMT_THROW(std::runtime_error(
"fuzz mode - avoid large allocation inside snprintf"));
#endif
// Suppress the warning about a nonliteral format string.
// Cannot use auto becase of a bug in MinGW (#1532).

4
include/fmt/format.h
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@ -700,7 +700,7 @@ 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
if (size > 1000) throw std::runtime_error("fuzz mode - won't grow that much");
if (size > 1000) FMT_THROW(std::runtime_error("fuzz mode - won't grow that much"));
#endif
std::size_t old_capacity = this->capacity();
std::size_t new_capacity = old_capacity + old_capacity / 2;
@ -1138,7 +1138,7 @@ template <typename Char> class float_writer {
}
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
if (num_zeros > 1000)
throw std::runtime_error("fuzz mode - avoiding excessive cpu use");
FMT_THROW(std::runtime_error("fuzz mode - avoiding excessive cpu use"));
#endif
it = std::fill_n(it, num_zeros, static_cast<Char>('0'));
}

4
src/format.cc
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@ -15,8 +15,8 @@ int format_float(char* buf, std::size_t size, const char* format, int precision,
T value) {
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
if (precision > 100000)
throw std::runtime_error(
"fuzz mode - avoid large allocation inside snprintf");
FMT_THROW(std::runtime_error(
"fuzz mode - avoid large allocation inside snprintf"));
#endif
// Suppress the warning about nonliteral format string.
int (*snprintf_ptr)(char*, size_t, const char*, ...) = FMT_SNPRINTF;

2
test/fuzzing/README.md
View File

@ -9,7 +9,7 @@ resource exhaustion:
```cpp
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
if(spec.precision>100000) {
throw std::runtime_error("fuzz mode - avoiding large precision");
FMT_THROW(std::runtime_error("fuzz mode - avoiding large precision"));
}
#endif
```