From 000716f554aad82d774f7ef1c7b09e82e3342546 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=A6=8C=EA=A6=AB=EA=A6=B6=EA=A6=8F=EA=A7=80=EA=A6=A6?=
 =?UTF-8?q?=EA=A6=BF=EA=A6=A7=EA=A6=AE=EA=A6=91=EA=A6=A9=EA=A6=AD=EA=A7=80?=
 <erik@darapsa.co.id>
Date: Mon, 13 Mar 2023 16:08:55 +0800
Subject: Default empty next/fail page means null C version

---
 interchange/member.hxx |  8 ++++----
 member.cxx             | 32 ++++++++++++++++++--------------
 2 files changed, 22 insertions(+), 18 deletions(-)

diff --git a/interchange/member.hxx b/interchange/member.hxx
index 3f00dba..560cea4 100644
--- a/interchange/member.hxx
+++ b/interchange/member.hxx
@@ -82,10 +82,10 @@ namespace QInterchange {
 					QString const& password,
 					QString const& confirm,
 					QString const& failPage = nullptr);
-			void logIn(QString const& username,
-					QString const& password,
-					QString const& nextPage = nullptr,
-					QString const& failPage = nullptr);
+			void logIn(QString const& userName,
+					QString const& passWord,
+					QString const& nextPage = "",
+					QString const& failPage = "");
 			void account();
 			void setAccount(QString const& firstName,
 					QString const& lastName,
diff --git a/member.cxx b/member.cxx
index 175a355..a346d74 100644
--- a/member.cxx
+++ b/member.cxx
@@ -126,24 +126,28 @@ namespace QInterchange {
 	void Member::logIn(QString const& username, QString const& password,
 			QString const& nextPage, QString const& failPage)
 	{
-		auto unData = username.toLatin1().constData();
-		unCopy = (char*)malloc(strlen(unData) + 1);
-		strcpy(unCopy, unData);
-		auto pwData = password.toLatin1().constData();
-		pwCopy = (char*)malloc(strlen(pwData) + 1);
-		strcpy(pwCopy, pwData);
-		auto npData = nextPage.toLatin1().constData();
-		npCopy = (char*)malloc(strlen(npData) + 1);
-		strcpy(npCopy, npData);
-		auto fpData = failPage.toLatin1().constData();
-		fpCopy = (char*)malloc(strlen(fpData) + 1);
-		strcpy(fpCopy, fpData);
+		unCopy = (char*)malloc(username.size() + 1);
+		strcpy(unCopy, username.toLatin1().constData());
+		pwCopy = (char*)malloc(password.size() + 1);
+		strcpy(pwCopy, password.toLatin1().constData());
+		if (nextPage.isEmpty())
+			npCopy = nullptr;
+		else {
+			npCopy = (char*)malloc(nextPage.size() + 1);
+			strcpy(npCopy, nextPage.toLatin1().constData());
+		}
+		if (failPage.isEmpty())
+			fpCopy = nullptr;
+		else {
+			fpCopy = (char*)malloc(failPage.size() + 1);
+			strcpy(fpCopy, failPage.toLatin1().constData());
+		}
 		interchange_member_login(unCopy, pwCopy, npCopy, fpCopy,
 				[](interchange_response* response) {
 			free(unCopy);
 			free(pwCopy);
-			free(npCopy);
-			free(fpCopy);
+			if (npCopy) free(npCopy);
+			if (fpCopy) free(fpCopy);
 			member->emitLogin(QString{response->data});
 			interchange_free_response(response);
 		}, nullptr);
-- 
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