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Gabime/fwrite unlocked (#3276)

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* Use locking fwrite_unlocked if possible

* Added compile definitions to header_only
This commit is contained in:
Gabi Melman
2024-12-01 14:16:52 +02:00
committed by GitHub
parent 951c5b9987
commit 1e6250e183
7 changed files with 79 additions and 12 deletions
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35
tests/test_misc.cpp
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@@ -1,3 +1,7 @@
#ifdef _WIN32 // to prevent fopen warning on windows
#define _CRT_SECURE_NO_WARNINGS
#endif
#include "includes.h"
#include "test_sink.h"
@@ -185,3 +189,34 @@ TEST_CASE("utf8 to utf16 conversion using windows api", "[windows utf]") {
REQUIRE(std::wstring(buffer.data(), buffer.size()) == std::wstring(L"\x306d\x3053"));
}
#endif
struct auto_closer {
FILE* fp = nullptr;
explicit auto_closer(FILE* f) : fp(f) {}
auto_closer(const auto_closer&) = delete;
auto_closer& operator=(const auto_closer&) = delete;
~auto_closer() {
if (fp != nullptr) (void)std::fclose(fp);
}
};
TEST_CASE("os::fwrite_bytes", "[os]") {
using spdlog::details::os::fwrite_bytes;
using spdlog::details::os::create_dir;
const char* filename = "log_tests/test_fwrite_bytes.txt";
const char *msg = "hello";
prepare_logdir();
REQUIRE(create_dir(SPDLOG_FILENAME_T("log_tests")) == true);
{
auto_closer closer(std::fopen(filename, "wb"));
REQUIRE(closer.fp != nullptr);
REQUIRE(fwrite_bytes(msg, std::strlen(msg), closer.fp) == true);
REQUIRE(fwrite_bytes(msg, 0, closer.fp) == true);
std::fflush(closer.fp);
REQUIRE(spdlog::details::os::filesize(closer.fp) == 5);
}
// fwrite_bytes should return false on write failure
auto_closer closer(std::fopen(filename, "r"));
REQUIRE(closer.fp != nullptr);
REQUIRE_FALSE(fwrite_bytes("Hello", 5, closer.fp));
}