fix: use address sanitizer to fix two memory issues

2 files changed, 3 insertions, 2 deletions

diff --git a/Makefile b/Makefile
index 4bc407f..2511216 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ OBJ=main.o thpool.o mcin.o plugins.o rcon_host.o rcon.o net.o plugin_registry.o
 
 BIN=extmc
 
-debug: CFLAGS += -DCONTROL_SOCKET_PATH="\"./extmc.ctl\"" -g3 -O0 -rdynamic
+debug: CFLAGS += -fsanitize=address -DCONTROL_SOCKET_PATH="\"./extmc.ctl\"" -g3 -O0 -rdynamic
 debug: $(BIN)
 
 release: CFLAGS += -DDISABLE_DEBUG
diff --git a/main.c b/main.c
index 8fbd6ab..608c10f 100644
--- a/main.c
+++ b/main.c
@@ -707,7 +707,7 @@ static int main_ctl(int argc, char **argv)
 		length += strlen(argv[i]);
 		if(i != argc - 1) length ++;
 	}
-	char *dat = calloc(length, sizeof(char));
+	char *dat = calloc(length + 1, sizeof(char));
 	strcpy(dat, "");
 	for(int i = 1; i < argc; i ++)
 	{
@@ -715,6 +715,7 @@ static int main_ctl(int argc, char **argv)
 		if(i != argc - 1) strcat(dat, " ");
 	}
 	dprintf(fd, "%s", dat);
+	free(dat);
 
 	ssize_t num_read;
 	int arr_size = 1025;