将程序获取的本地用户数据路径存储到临时目录下的scanner-first.log文件中

sdk/hginclude/utils.cpp

@@ -585,7 +585,10 @@ namespace utils
 			ldp += "Scan";
 			create_folder(ldp.c_str());
 	
-			printf("# local data path: %s\n", ldp.c_str());
+			std::string first("[" + format_current_time() + "]: Process "),
+						ff(temporary_path() + PATH_SEPARATOR + "scanner-first.log");
+			first += std::to_string(GetCurrentProcessId()) + " root of local data path is " + ldp + "\n";
+			save_2_file(&first[0], first.length(), ff.c_str());
 		}
 
 		return ldp;
@@ -664,6 +667,58 @@ namespace utils
 
 		return buf;
 	}
+	std::string load_mini_file(const char* file, int* err)
+	{
+		std::string	cont("");
+		FILE* src = fopen(file, "rb");
+
+		if (src)
+		{
+			long len = 0;
+
+			fseek(src, 0, SEEK_END);
+			len = ftell(src);
+			fseek(src, 0, SEEK_SET);
+			if (len > SIZE_MB(1))
+			{
+				if (err)
+					*err = E2BIG;
+			}
+			else
+			{
+				char* buf = new char[len];
+				if (buf)
+				{
+					len = fread(buf, 1, len, src);
+					cont = std::string(buf, len);
+					if (err)
+						*err = 0;
+					delete[] buf;
+				}
+				else if (err)
+					*err = ENOMEM;
+			}
+			fclose(src);
+		}
+		else if (err)
+			*err = errno;
+
+		return std::move(cont);
+	}
+	int save_2_file(void* data, size_t len, const char* file, bool append)
+	{
+		FILE* dst = fopen(file, append ? "w+b" : "wb");
+		int	err = 0;
+
+		if (!dst)
+			return errno;
+
+		if (fwrite(data, 1, len, dst) < len)
+			err = ENOSPC;
+		fclose(dst);
+
+		return err;
+	}
 
 	const char* to_lower(std::string& str)
 	{

sdk/hginclude/utils.h

@@ -35,6 +35,8 @@ namespace utils
 	std::string get_module_full_path(const char* part_name = nullptr/*nullptr to get main-pe/first module's full path*/);
 	std::string target_file_from_link(const char* lnk_file);
 	std::string	get_ini_value(const char* seg, const char* key, const char* cfg_file);	// return "" if not found
+	std::string load_mini_file(const char* file, int* err);		// <= 1MB
+	int save_2_file(void* data, size_t len, const char* file);
 
 	const char* to_lower(std::string& str);	// return str.c_str()
 	const char* trim(std::string& str, const char* sp = "\r\n\t ");		// return str.c_str()