From 5081f5a80e62322155736ddf5c12140627aff2aa Mon Sep 17 00:00:00 2001
From: gcontini <1121667+gcontini@users.noreply.github.com>
Date: 周六, 11 1月 2020 14:44:17 +0800
Subject: [PATCH] issue #70

---
 src/library/licensecc.cpp |   34 ++++++++++++++++++++++++++--------
 1 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/src/library/licensecc.cpp b/src/library/licensecc.cpp
index fe1b3a7..63330cb 100644
--- a/src/library/licensecc.cpp
+++ b/src/library/licensecc.cpp
@@ -1,36 +1,52 @@
 //============================================================================
-// Name        : license-manager-cpp.cpp
+// Name        : licensecc.cpp
 // Author      :
 // Version     :
 // Copyright   : BSD
 //============================================================================
 
+#define __STDC_WANT_LIB_EXT1__ 1
 #include <fstream>
 #include <stdio.h>
+#include <string.h>
 #include <stdlib.h>
 #include <cstring>
 #include <iostream>
 
 #include <licensecc/datatypes.h>
 #include <licensecc/licensecc.h>
+#include <licensecc_properties.h>
 
 #include "limits/license_verifier.hpp"
+#include "base/StringUtils.h"
 #include "LicenseReader.hpp"
+#include "pc-identifiers.h"
 
 using namespace std;
-void print_error(char out_buffer[256], LicenseInfo* licenseInfo) {}
 
-void identify_pc(IDENTIFICATION_STRATEGY pc_id_method, char chbuffer[PC_IDENTIFIER_SIZE + 1]) {}
+void print_error(char out_buffer[ERROR_BUFFER_SIZE], LicenseInfo* licenseInfo) {}
+
+bool identify_pc(IDENTIFICATION_STRATEGY pc_id_method, char* chbuffer, size_t* bufSize) {
+	FUNCTION_RETURN result = FUNC_RET_BUFFER_TOO_SMALL;
+	if (*bufSize > sizeof(PcSignature)) {
+		PcSignature identifier_out;
+		result = generate_user_pc_signature(identifier_out, pc_id_method);
+		strncpy(chbuffer, identifier_out, *bufSize);
+	} else {
+		*bufSize = sizeof(PcSignature) + 1;
+	}
+	return result == FUNC_RET_OK;
+}
 
 static void mergeLicenses(const vector<LicenseInfo>& licenses, LicenseInfo* license_out) {
 	if (license_out != nullptr) {
-		int days_left = -1;
+		int days_left = INT_MIN;
 		for (auto it = licenses.begin(); it != licenses.end(); it++) {
 			// choose the license that expires later...
 			if (!it->has_expiry) {
 				*license_out = *it;
 				break;
-			} else if (days_left < it->days_left) {
+			} else if (days_left < (int)it->days_left) {
 				*license_out = *it;
 				days_left = it->days_left;
 			}
@@ -40,11 +56,13 @@
 
 EVENT_TYPE acquire_license(const CallerInformations* callerInformation, const LicenseLocation* licenseLocation,
 						   LicenseInfo* license_out) {
-	license::LicenseReader lr = license::LicenseReader(licenseLocation);
+	const license::LicenseReader lr = license::LicenseReader(licenseLocation);
 	vector<license::FullLicenseInfo> licenses;
 	string project;
-	if (callerInformation != nullptr && strlen(callerInformation->project_name) > 0) {
-		project = string(callerInformation->project_name);
+	size_t str_size;
+	if (callerInformation != nullptr &&
+		(str_size = license::mstrnlen_s(callerInformation->project_name, sizeof callerInformation->project_name)) > 0) {
+		project = string(callerInformation->project_name, str_size);
 	} else {
 		project = string(LCC_PROJECT_NAME);
 	}

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