Welcome to mirror list, hosted at ThFree Co, Russian Federation.

github.com/llvm/llvm-project.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to 'libc/src/__support/error_to_string.cpp')
-rw-r--r--libc/src/__support/error_to_string.cpp14
1 files changed, 10 insertions, 4 deletions
diff --git a/libc/src/__support/error_to_string.cpp b/libc/src/__support/error_to_string.cpp
index dca6b8a968ba..f84819ccc7c2 100644
--- a/libc/src/__support/error_to_string.cpp
+++ b/libc/src/__support/error_to_string.cpp
@@ -223,18 +223,19 @@ public:
}
}
- cpp::string_view get_str(int err_num) const {
+ cpp::string_view get_str(int err_num, cpp::string_view buffer) const {
if (err_num >= 0 && static_cast<size_t>(err_num) < ERR_ARRAY_SIZE &&
err_offsets[err_num] != -1) {
return const_cast<char *>(string_array + err_offsets[err_num]);
} else {
// if the buffer can't hold "Unknown error" + ' ' + num_str, then just
// return "Unknown error".
- if (BUFFER_SIZE <
+ if (buffer.size() <
(sizeof("Unknown error") + 1 + IntegerToString::dec_bufsize<int>()))
return const_cast<char *>("Unknown error");
- cpp::StringStream buffer_stream({error_buffer, BUFFER_SIZE});
+ cpp::StringStream buffer_stream(
+ {const_cast<char *>(buffer.data()), buffer.size()});
buffer_stream << "Unknown error" << ' ' << err_num << '\0';
return buffer_stream.str();
}
@@ -246,6 +247,11 @@ static constexpr ErrorMapper error_mapper;
} // namespace internal
cpp::string_view get_error_string(int err_num) {
- return internal::error_mapper.get_str(err_num);
+ return internal::error_mapper.get_str(
+ err_num, {internal::error_buffer, internal::BUFFER_SIZE});
+}
+
+cpp::string_view get_error_string(int err_num, cpp::string_view buffer) {
+ return internal::error_mapper.get_str(err_num, buffer);
}
} // namespace __llvm_libc