circo

commit 0759e67fd9d471049398bedea6ec57114bf61f0f
parent 963e1cecb747815c0210bf80599f022b4daca745
Author: Claudio Alessi <smoppy@gmail.com>
Date:   Mon, 22 Jul 2019 10:44:36 +0200

Use read(2) instead of getchar().

Diffstat:
M
circo.c
 | 
13
++++++++++---

1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/circo.c b/circo.c
@@ -136,6 +136,7 @@ void parsecmd(void);
 void parsesrv(void);
 void privmsg(char *to, char *txt);
 void quit(char *msg);
+int readchar(void);
 void recv_busynick(char *u, char *u2, char *u3);
 void recv_join(char *who, char *chan, char *txt);
 void recv_kick(char *who, char *chan, char *txt);
@@ -671,15 +672,15 @@ getbuf(char *name) {
 /* XXX quick'n dirty implementation */
 int
 getkey(void) {
-	int key = getchar(), c;
+	int key = readchar(), c;
 
-	if(key != '\x1b' || getchar() != '[') {
+	if(key != '\x1b' || readchar() != '[') {
 		switch(key) {
 		case 127: key = KeyBackspace; break;
 		}
 		return key;
 	}
-	switch((c = getchar())) {
+	switch((c = readchar())) {
 	case 'A': key = KeyUp; break;
 	case 'B': key = KeyDown; break;
 	case 'C': key = KeyRight; break;
@@ -856,6 +857,12 @@ quit(char *msg) {
 	hangsup();
 }
 
+int
+readchar(void) {
+	char buf[1] = {0};
+	return (read(0, buf, 1) < 1 ? EOF : buf[0]);
+}
+
 void
 recv_busynick(char *u, char *u2, char *u3) {
 	bprintf(status, "%s is busy, choose a different /nick\n", nick);