fmtlib/fmt
1
0
Fork 1
mirror of https://github.com/fmtlib/fmt.git synced 2026-02-05 14:55:04 +01:00
Code Issues Packages Projects Releases Wiki Activity

Fix handling of negative error codes in format_error_code

Browse Source
This commit is contained in:
vitaut
2016-03-02 07:01:21 -08:00
parent 6e820841d4
commit 9d577cae6f
2 changed files with 17 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
cppformat/format.cc
View File

@@ -207,10 +207,15 @@ void format_error_code(fmt::Writer &out, int error_code,
out.clear();
static const char SEP[] = ": ";
static const char ERROR_STR[] = "error ";
fmt::internal::IntTraits<int>::MainType ec_value = error_code;
// Subtract 2 to account for terminating null characters in SEP and ERROR_STR.
std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2;
error_code_size += fmt::internal::count_digits(ec_value);
typedef fmt::internal::IntTraits<int>::MainType MainType;
MainType abs_value = static_cast<MainType>(error_code);
if (internal::is_negative(error_code)) {
abs_value = 0 - abs_value;
++error_code_size;
}
error_code_size += fmt::internal::count_digits(abs_value);
if (message.size() <= fmt::internal::INLINE_BUFFER_SIZE - error_code_size)
out << message << SEP;
out << ERROR_STR << error_code;