mirror of
https://github.com/kunkundi/crossdesk.git
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61 lines
1.3 KiB
C++
61 lines
1.3 KiB
C++
#include "log_helper.h"
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#include <share.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <mutex>
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#define AMLOCK(A) std::lock_guard<std::mutex> lock(A)
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#define LOG_ROLL_SIZE (1024 * 1024)
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AMLog* AMLog::_log = NULL;
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std::mutex _lock;
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AMLog::AMLog(FILE* handle) : _handle(handle) { _log = this; }
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AMLog::~AMLog() {
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AMLOCK(_lock);
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if (_log && _handle) {
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fclose(_handle);
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_log = NULL;
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}
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}
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AMLog* AMLog::get(const char* path) {
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if (_log || !path) {
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return _log;
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}
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// DWORD size = 0;
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// HANDLE file = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING,
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// FILE_ATTRIBUTE_NORMAL, NULL); if (file != INVALID_HANDLE_VALUE) {
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// size = GetFileSize(file, NULL); CloseHandle(file);
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// }
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// if (size != INVALID_FILE_SIZE && size > LOG_ROLL_SIZE) {
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// if (DeleteFileA(path) == FALSE) {
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// TCHAR roll_path[MAX_PATH];
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// sprintf_s(roll_path, MAX_PATH, "%s.1", path);
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// if (!MoveFileEx(path, roll_path, MOVEFILE_REPLACE_EXISTING)) {
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// return NULL;
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// }
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// }
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// }
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// FILE* handle = _fsopen(path, "a+", _SH_DENYNO);
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// if (!handle) {
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// return NULL;
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// }
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// _log = new AMLog(handle);
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return _log;
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}
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void AMLog::printf(const char* format, ...) {
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AMLOCK(_lock);
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va_list args;
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va_start(args, format);
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vfprintf(_handle, format, args);
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va_end(args);
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fflush(_handle);
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}
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