Allow `%' to be written out with an octal escape (\45 or \045).

PR: 39116 Submitted by: Egil Brendsdal <egilb@ife.no> MFC after: 1 week
svn path=/head/; revision=98419
2002-06-19 08:16:14 +00:00 · 2002-06-19 08:16:14 +00:00 · 37fd459046 · 2020-12-20 02:59:44 +00:00
commit 37fd459046
parent 7e949b63e4
1 changed files with 5 additions and 1 deletions
--- a/usr.bin/printf/printf.c
+++ b/usr.bin/printf/printf.c
@ -376,7 +376,11 @@ escape(fmt)
 				value += *fmt - '0';
 			}
 			--fmt;
-			*store = value;
+			if (value == '%') {
+				*store++ = '%';
+				*store = '%';
+			} else
+				*store = value;
 			break;
 		default:
 			*store = *fmt;