ed

commit 80c2cda614620d10054464447dc8c4b4399a27d8
parent b887c9efd18179da5b6f5296afac9edec3b7bf24
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Thu,  3 Dec 2015 09:05:46 +0100

Fix global commands with user input

When a global command with user input (G or V) reads a line
with & it means that the last command must be repeated,
and the code was wrong because in this case a new command
was read.

Diffstat:
M
ed.c
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/ed.c b/ed.c
@@ -919,9 +919,11 @@ readcmd(int isglobal)
 	int c;
 
 	if (isglobal && (c = getchar()) == '&') {
+		/* FIXME: this code can let garbage in the input stream */
 		if (getchar() != '\n')
-			error(""); /* TODO: what error? */
+			error("Unknown command");
 		cmdp = buf;
+		return;
 	}
 
 	for (s = buf;; *s++ = c) {