Ignore spurious '\0' first character read on a serial console.

This allows me to "boot -a" over a serial console. Tested on several machines.
svn path=/head/; revision=154372
2006-01-14 20:45:02 +00:00 · 2006-01-14 20:45:02 +00:00 · 90ee1f3a04 · 2020-12-20 02:59:44 +00:00
commit 90ee1f3a04
parent a4d3c74487
1 changed files with 2 additions and 0 deletions
--- a/sys/libkern/gets.c
+++ b/sys/libkern/gets.c
@ -56,6 +56,8 @@ gets(char *cp, size_t size, int visible)
 				lp--;
 			}
 			continue;
+		case '\0':
+			continue;
 		default:
 			if (lp < end) {
 				if (visible)