日志打印
namespace fun{
extern std::string GetProgramDir();
extern std::string GetProgramName();
extern int write_log(const char *format, ...);
}
namespace fun{
int write_log(const char *format, ...)
{
std::string log_name = GetProgramDir() + '\' + GetProgramName() + ".log";
FILE* pFile = fopen(log_name.c_str(), "a");
va_list arg;
int done;
va_start(arg, format);
time_t time_log = time(NULL);//#include
struct tm* tm_log = localtime(&time_log);
fprintf(pFile, "%04d-%02d-%02d %02d:%02d:%02d ", tm_log->tm_year + 1900, tm_log->tm_mon + 1, tm_log->tm_mday, tm_log->tm_hour, tm_log->tm_min, tm_log->tm_sec);
done = vfprintf(pFile, format, arg);
va_end(arg);
fflush(pFile);
fclose(pFile);
return done;
}
}
std::string GetProgramDir()
{
std::string program_file_name;
char the_filename[MAX_PATH]; //#include
DWORD length = ::GetModuleFileName(nullptr, the_filename, MAX_PATH);
if (length > 0 && length < MAX_PATH)
{
program_file_name = the_filename;
}
int pos = program_file_name.find_last_of('\', program_file_name.length());
return program_file_name.substr(0, pos); // Return the directory without the file name
}
std::string GetProgramName()
{
std::string program_file_name;
char the_filename[MAX_PATH];
DWORD length = ::GetModuleFileName(nullptr, the_filename, MAX_PATH);
if (length > 0 && length < MAX_PATH)
{
program_file_name = the_filename;
}
int pos1 = program_file_name.find_last_of('\', program_file_name.length());
int pos2 = program_file_name.find_last_of('.', program_file_name.length());
int len = pos2 - pos1 - 1;
return program_file_name.substr(pos1 + 1, len); // Return the directory without the file name
}
用法：
extern int fun::write_log(const char *format, ...);
fun::write_log("驱动注入失败 n");
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