From 11c8d7a22b0d29278d9cc88b1a50ab974a1e6e6f Mon Sep 17 00:00:00 2001
From: Test_User <hax@andrewyu.org>
Date: Sun, 18 Jun 2023 19:28:52 -0400
Subject: Add -Wsign-conversion, change related things to match as desired,
 move gnutls_record_recv to tls.h/tls.c

---
 Makefile   |  2 +-
 commands.c |  4 ++--
 main.c     | 14 ++------------
 tls.c      |  2 ++
 tls.h      | 11 +++++++++++
 utils.c    |  2 +-
 6 files changed, 19 insertions(+), 16 deletions(-)

diff --git a/Makefile b/Makefile
index 9c832ec..4b76cad 100644
--- a/Makefile
+++ b/Makefile
@@ -28,7 +28,7 @@
 
 #INCLUDEFLAGS =
 
-CFLAGS += $(INCLUDEFLAGS) -D_REENTRANT -ggdb3 -Wall -Wextra -Wno-unused-parameter $(shell pkg-config gnutls --cflags)
+CFLAGS += $(INCLUDEFLAGS) -D_REENTRANT -ggdb3 -Wall -Wextra -Wsign-conversion -Wno-unused-parameter $(shell pkg-config gnutls --cflags)
 
 LDFLAGS = -lpthread $(shell pkg-config gnutls --libs)
 
diff --git a/commands.c b/commands.c
index d0d6d02..0938ee2 100644
--- a/commands.c
+++ b/commands.c
@@ -93,7 +93,7 @@ static struct pref_type_suff {
 };
 
 int sus_command(struct string sender, struct string original_message, struct string to, uint64_t argc, struct string *argv) {
-	uint64_t index = random() % (sizeof(sus_strings)/sizeof(sus_strings[0]));
+	uint64_t index = (uint64_t)random() % (sizeof(sus_strings)/sizeof(sus_strings[0]));
 
 	SEND(sus_strings[index].pref);
 	if (sus_strings[index].type == 0)
@@ -112,7 +112,7 @@ static struct command_def sus_command_def = {
 };
 
 int cr_command(struct string sender, struct string original_message, struct string to, uint64_t argc, struct string *argv) {
-	uint64_t index = random() % (sizeof(cr_strings)/sizeof(cr_strings[0]));
+	uint64_t index = (uint64_t)random() % (sizeof(cr_strings)/sizeof(cr_strings[0]));
 
 	SEND(cr_strings[index].pref);
 	if (cr_strings[index].type == 0)
diff --git a/main.c b/main.c
index 3618105..0fdd429 100644
--- a/main.c
+++ b/main.c
@@ -57,7 +57,7 @@ void *client_loop(void *ign) {
 				if (len < 0)
 					new_len = 0;
 				else
-					new_len = len;
+					new_len = (size_t)len;
 			}
 			pthread_mutex_lock(&send_lock);
 
@@ -230,18 +230,8 @@ int main(void) {
 	struct string full_msg = {malloc(0), 0};
 	while (1) {
 		char data[512];
-		uint64_t new_len;
 		pthread_mutex_unlock(&send_lock);
-		{
-			int len;
-			do {
-				len = gnutls_record_recv(session, data, 512);
-			} while (len == GNUTLS_E_AGAIN || len == GNUTLS_E_INTERRUPTED);
-			if (len < 0)
-				new_len = 0;
-			else
-				new_len = len;
-		}
+		uint64_t new_len = RECV(data, sizeof(data));
 		pthread_mutex_lock(&send_lock);
 
 		if (new_len == 0) {
diff --git a/tls.c b/tls.c
index b173d82..54cf47d 100644
--- a/tls.c
+++ b/tls.c
@@ -86,3 +86,5 @@ int connect_tls(void) {
 
 	return 0;
 }
+
+extern inline size_t RECV(char *buf, size_t buflen); // Should force it to get compiled into tls.o
diff --git a/tls.h b/tls.h
index c21e85f..116512d 100644
--- a/tls.h
+++ b/tls.h
@@ -33,3 +33,14 @@
 extern gnutls_session_t session;
 
 extern int connect_tls(void);
+
+inline size_t RECV(char *buf, size_t buflen) {
+	int len;
+	do {
+		len = gnutls_record_recv(session, buf, buflen);
+	} while (len == GNUTLS_E_AGAIN || len == GNUTLS_E_INTERRUPTED);
+	if (len < 0)
+		return 0;
+	else
+		return (size_t)len;
+}
diff --git a/utils.c b/utils.c
index f8dca52..d8bb7bd 100644
--- a/utils.c
+++ b/utils.c
@@ -50,7 +50,7 @@ uint64_t str_to_unsigned(struct string str, uint8_t *err) {
 		case '8':
 		case '9':
 			val *= 10;
-			val += str.data[0] - 0x30;
+			val += (uint8_t)(str.data[0] - 0x30);
 			break;
 		default:
 			*err = 1;
-- 
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