Use gnu-case-range and gnu-conditional-omitted-operand extensions

I'm sad to do this but I just can't stand writing (foo ? foo : bar)
anymore.

Makefile

@@ -1,7 +1,8 @@
 PREFIX = /usr/local
 MANDIR = ${PREFIX}/share/man
 
-CFLAGS += -std=c11 -Wall -Wextra -Wpedantic
+CEXTS = gnu-case-range gnu-conditional-omitted-operand
+CFLAGS += -std=c11 -Wall -Wextra -Wpedantic ${CEXTS:%=-Wno-%}
 LDLIBS = -lcrypto -ltls -lncursesw
 
 -include config.mk

command.c

@@ -58,8 +58,8 @@ static void splitMessage(char *cmd, uint id, char *params) {
 	int overhead = snprintf(
 		NULL, 0, ":%s!%*s@%*s %s %s :\r\n",
 		self.nick,
-		(self.user ? 0 : network.userLen), (self.user ? self.user : "*"),
+		(self.user ? 0 : network.userLen), (self.user ?: "*"),
-		(self.host ? 0 : network.hostLen), (self.host ? self.host : "*"),
+		(self.host ? 0 : network.hostLen), (self.host ?: "*"),
 		cmd, idNames[id]
 	);
 	assert(overhead > 0 && overhead < 512);
@@ -98,7 +98,7 @@ static void commandNotice(uint id, char *params) {
 
 static void commandMe(uint id, char *params) {
 	char buf[512];
-	snprintf(buf, sizeof(buf), "\1ACTION %s\1", (params ? params : ""));
+	snprintf(buf, sizeof(buf), "\1ACTION %s\1", (params ?: ""));
 	echoMessage("PRIVMSG", id, buf);
 }
 
@@ -129,7 +129,7 @@ static void commandPart(uint id, char *params) {
 
 static void commandQuit(uint id, char *params) {
 	(void)id;
-	set(&self.quit, (params ? params : "nyaa~"));
+	set(&self.quit, (params ?: "nyaa~"));
 }
 
 static void commandNick(uint id, char *params) {
@@ -384,12 +384,11 @@ static void commandExec(uint id, char *params) {
 	if (pid < 0) err(EX_OSERR, "fork");
 	if (pid) return;
 
-	const char *shell = getenv("SHELL");
-	if (!shell) shell = "/bin/sh";
-
 	close(STDIN_FILENO);
 	dup2(execPipe[1], STDOUT_FILENO);
 	dup2(utilPipe[1], STDERR_FILENO);
+
+	const char *shell = getenv("SHELL") ?: "/bin/sh";
 	execlp(shell, shell, "-c", params, NULL);
 	warn("%s", shell);
 	_exit(EX_UNAVAILABLE);
@@ -404,7 +403,7 @@ static void commandHelp(uint id, char *params) {
 	if (pid) return;
 
 	char buf[256];
-	snprintf(buf, sizeof(buf), "ip%s$", (params ? params : "COMMANDS"));
+	snprintf(buf, sizeof(buf), "ip%s$", (params ?: "COMMANDS"));
 	setenv("LESS", buf, 1);
 	execlp("man", "man", "1", "catgirl", NULL);
 	dup2(utilPipe[1], STDERR_FILENO);

complete.c

@@ -60,7 +60,7 @@ static struct Node *prepend(struct Node *node) {
 	node->next = head;
 	if (head) head->prev = node;
 	head = node;
-	if (!tail) tail = node;
+	tail = (tail ?: node);
 	return node;
 }
 
@@ -69,7 +69,7 @@ static struct Node *append(struct Node *node) {
 	node->prev = tail;
 	if (tail) tail->next = node;
 	tail = node;
-	if (!head) head = node;
+	head = (head ?: node);
 	return node;
 }
 

handle.c

@@ -260,9 +260,9 @@ static void handleReplyISupport(struct Message *msg) {
 			set(&network.setParamModes, strsep(&msg->params[i], ","));
 			set(&network.channelModes, strsep(&msg->params[i], ","));
 		} else if (!strcmp(key, "EXCEPTS")) {
-			network.excepts = (msg->params[i] ? msg->params[i][0] : 'e');
+			network.excepts = (msg->params[i] ?: "e")[0];
 		} else if (!strcmp(key, "INVEX")) {
-			network.invex = (msg->params[i] ? msg->params[i][0] : 'I');
+			network.invex = (msg->params[i] ?: "I")[0];
 		}
 	}
 }
@@ -309,7 +309,7 @@ static void handleJoin(struct Message *msg) {
 		"\3%02d%s\3\t%s%s%sarrives in \3%02d%s\3",
 		hash(msg->user), msg->nick,
 		(msg->params[2] ? "(" : ""),
-		(msg->params[2] ? msg->params[2] : ""),
+		(msg->params[2] ?: ""),
 		(msg->params[2] ? ") " : ""),
 		hash(msg->params[0]), msg->params[0]
 	);
@@ -340,14 +340,12 @@ static void handlePart(struct Message *msg) {
 		id, ignoreCheck(Cold, msg), tagTime(msg),
 		"\3%02d%s\3\tleaves \3%02d%s\3%s%s",
 		hash(msg->user), msg->nick, hash(msg->params[0]), msg->params[0],
-		(msg->params[1] ? ": " : ""),
+		(msg->params[1] ? ": " : ""), (msg->params[1] ?: "")
-		(msg->params[1] ? msg->params[1] : "")
 	);
 	logFormat(
 		id, tagTime(msg), "%s leaves %s%s%s",
 		msg->nick, msg->params[0],
-		(msg->params[1] ? ": " : ""),
+		(msg->params[1] ? ": " : ""), (msg->params[1] ?: "")
-		(msg->params[1] ? msg->params[1] : "")
 	);
 }
 
@@ -364,14 +362,12 @@ static void handleKick(struct Message *msg) {
 		hash(msg->user), msg->nick,
 		completeColor(id, msg->params[1]), msg->params[1],
 		hash(msg->params[0]), msg->params[0],
-		(msg->params[2] ? ": " : ""),
+		(msg->params[2] ? ": " : ""), (msg->params[2] ?: "")
-		(msg->params[2] ? msg->params[2] : "")
 	);
 	logFormat(
 		id, tagTime(msg), "%s kicks %s out of %s%s%s",
 		msg->nick, msg->params[1], msg->params[0],
-		(msg->params[2] ? ": " : ""),
+		(msg->params[2] ? ": " : ""), (msg->params[2] ?: "")
-		(msg->params[2] ? msg->params[2] : "")
 	);
 	completeRemove(id, msg->params[1]);
 	if (kicked) completeClear(id);
@@ -409,15 +405,13 @@ static void handleQuit(struct Message *msg) {
 			id, ignoreCheck(Cold, msg), tagTime(msg),
 			"\3%02d%s\3\tleaves%s%s",
 			hash(msg->user), msg->nick,
-			(msg->params[0] ? ": " : ""),
+			(msg->params[0] ? ": " : ""), (msg->params[0] ?: "")
-			(msg->params[0] ? msg->params[0] : "")
 		);
 		if (id == Network) continue;
 		logFormat(
 			id, tagTime(msg), "%s leaves%s%s",
 			msg->nick,
-			(msg->params[0] ? ": " : ""),
+			(msg->params[0] ? ": " : ""), (msg->params[0] ?: "")
-			(msg->params[0] ? msg->params[0] : "")
 		);
 	}
 	completeRemove(None, msg->nick);
@@ -576,7 +570,7 @@ static void handleReplyUserModeIs(struct Message *msg) {
 		const char *name = UserModes[(byte)*ch];
 		catf(
 			buf, sizeof(buf), ", +%c%s%s",
-			*ch, (name ? " " : ""), (name ? name : "")
+			*ch, (name ? " " : ""), (name ?: "")
 		);
 	}
 	uiFormat(
@@ -618,13 +612,13 @@ static void handleReplyChannelModeIs(struct Message *msg) {
 			assert(param < ParamCap);
 			catf(
 				buf, sizeof(buf), ", +%c%s%s %s",
-				*ch, (name ? " " : ""), (name ? name : ""),
+				*ch, (name ? " " : ""), (name ?: ""),
 				msg->params[param++]
 			);
 		} else {
 			catf(
 				buf, sizeof(buf), ", +%c%s%s",
-				*ch, (name ? " " : ""), (name ? name : "")
+				*ch, (name ? " " : ""), (name ?: "")
 			);
 		}
 	}
@@ -651,7 +645,7 @@ static void handleMode(struct Message *msg) {
 				hash(msg->user), msg->nick,
 				(set ? "" : "un"),
 				self.color, msg->params[0],
-				set["-+"], *ch, (name ? " " : ""), (name ? name : "")
+				set["-+"], *ch, (name ? " " : ""), (name ?: "")
 			);
 		}
 		return;
@@ -800,7 +794,7 @@ static void handleErrorBanListFull(struct Message *msg) {
 	require(msg, false, 4);
 	uiFormat(
 		idFor(msg->params[1]), Cold, tagTime(msg),
-		"%s", (msg->params[4] ? msg->params[4] : msg->params[3])
+		"%s", (msg->params[4] ?: msg->params[3])
 	);
 }
 
@@ -933,15 +927,14 @@ static void handleReplyWhoisIdle(struct Message *msg) {
 		}
 	}
 	char signon[sizeof("0000-00-00 00:00:00")];
-	time_t time = (msg->params[3] ? strtol(msg->params[3], NULL, 10) : 0);
+	time_t time = strtol((msg->params[3] ?: ""), NULL, 10);
 	strftime(signon, sizeof(signon), "%F %T", localtime(&time));
 	uiFormat(
 		Network, Warm, tagTime(msg),
 		"\3%02d%s\3\tis idle for %lu %s%s%s%s",
 		completeColor(Network, msg->params[1]), msg->params[1],
 		idle, unit, (idle != 1 ? "s" : ""),
-		(msg->params[3] ? ", signed on " : ""),
+		(msg->params[3] ? ", signed on " : ""), (msg->params[3] ? signon : "")
-		(msg->params[3] ? signon : "")
 	);
 }
 
@@ -976,9 +969,7 @@ static void handleReplyWhoisGeneric(struct Message *msg) {
 		Network, Warm, tagTime(msg),
 		"\3%02d%s\3\t%s%s%s",
 		completeColor(Network, msg->params[1]), msg->params[1],
-		msg->params[2],
+		msg->params[2], (msg->params[3] ? " " : ""), (msg->params[3] ?: "")
-		(msg->params[3] ? " " : ""),
-		(msg->params[3] ? msg->params[3] : "")
 	);
 }
 
@@ -1031,7 +1022,7 @@ static bool isMention(const struct Message *msg) {
 	const char *match = msg->params[1];
 	while (NULL != (match = strcasestr(match, self.nick))) {
 		char a = (match > msg->params[1] ? match[-1] : ' ');
-		char b = (match[len] ? match[len] : ' ');
+		char b = (match[len] ?: ' ');
 		if ((isspace(a) || ispunct(a)) && (isspace(b) || ispunct(b))) {
 			return true;
 		}

ignore.c

@@ -62,8 +62,7 @@ enum Heat ignoreCheck(enum Heat heat, const struct Message *msg) {
 	char match[512];
 	snprintf(
 		match, sizeof(match), "%s!%s@%s %s %s",
-		msg->nick, msg->user, msg->host, msg->cmd,
+		msg->nick, msg->user, msg->host, msg->cmd, (msg->params[0] ?: "")
-		(msg->params[0] ? msg->params[0] : "")
 	);
 	for (size_t i = 0; i < ignore.len; ++i) {
 		if (fnmatch(ignore.patterns[i], match, FNM_CASEFOLD)) continue;

ui.c

@@ -891,6 +891,7 @@ static void keyCode(int code) {
 		break; case KeyMetaMinus: window->ignore ^= true; reflow(window);
 		break; case KeyMetaSlash: windowShow(windows.swap);
 
+		break; case KeyMeta0 ... KeyMeta9: uiShowNum(code - KeyMeta0);
 		break; case KeyMetaA: showAuto();
 		break; case KeyMetaB: edit(id, EditPrevWord, 0);
 		break; case KeyMetaD: edit(id, EditDeleteNextWord, 0);
@@ -911,12 +912,6 @@ static void keyCode(int code) {
 		break; case KEY_PPAGE: windowScroll(window, +(PAGE_LINES - 2));
 		break; case KEY_RIGHT: edit(id, EditNext, 0);
 		break; case KEY_UP: windowScroll(window, +1);
-		
-		break; default: {
-			if (code >= KeyMeta0 && code <= KeyMeta9) {
-				uiShowNum(code - KeyMeta0);
-			}
-		}
 	}
 }