Tweak buffer sizes

Filter functions are dealing with lines not including CRLF, so they
already have extra space. serverFormat is using snprintf which wants to
always write a NUL at the end of the string.

2 files changed, 4 insertions, 4 deletions

diff --git a/client.c b/client.c
index 9b55fdd..2405004 100644
--- a/client.c
+++ b/client.c
@@ -426,7 +426,7 @@ static const char *filterChghost(const char *line) {
 static const char *filterExtendedJoin(const char *line) {
 	if (wordcmp(line, 1, "JOIN")) return line;
 	static regex_t regex;
-	static char buf[MessageCap + 1];
+	static char buf[MessageCap];
 	return snip(buf, sizeof(buf), line, compile(&regex, "(JOIN [^ ]+).+"));
 }
 
@@ -440,7 +440,7 @@ static const char *filterMessageTags(const char *line) {
 }
 
 static const char *filterMultiPrefix(const char *line) {
-	static char buf[MessageCap + 1];
+	static char buf[MessageCap];
 	if (!wordcmp(line, 1, "352")) {
 		static regex_t regex;
 		return snip(
@@ -461,7 +461,7 @@ static const char *filterMultiPrefix(const char *line) {
 static const char *filterUserhostInNames(const char *line) {
 	if (wordcmp(line, 1, "353")) return line;
 	static regex_t regex;
-	static char buf[MessageCap + 1];
+	static char buf[MessageCap];
 	return snip(
 		buf, sizeof(buf), line,
 		compile(&regex, "( :?[^!]+)![^ ]+")
diff --git a/server.c b/server.c
index abc7d40..20d94e3 100644
--- a/server.c
+++ b/server.c
@@ -139,7 +139,7 @@ void serverSend(const char *ptr, size_t len) {
 }
 
 void serverFormat(const char *format, ...) {
-	char buf[MessageCap];
+	char buf[MessageCap + 1];
 	va_list ap;
 	va_start(ap, format);
 	int len = vsnprintf(buf, sizeof(buf), format, ap);