Fix scans of more than one character in %[]

This got broken in d8e877a89dae, where we returned 0 on the
first mismatch; we want to return 0 only when we consumed no
characters.

1 files changed, 2 insertions, 2 deletions

diff --git a/sys/src/ape/lib/ap/stdio/vfscanf.c b/sys/src/ape/lib/ap/stdio/vfscanf.c
index 5cbc1fee5..ac09b86ea 100644
--- a/sys/src/ape/lib/ap/stdio/vfscanf.c
+++ b/sys/src/ape/lib/ap/stdio/vfscanf.c
@@ -416,7 +416,7 @@ icvt_sq(FILE *f, va_list *args, int store, int width, int)
 		}
 		if(!match(c, pat)){
 			nungetc(c, f);
-			return 0;
+			goto Done;
 		}
 		if(store)
 			*s++=c;
@@ -424,5 +424,5 @@ icvt_sq(FILE *f, va_list *args, int store, int width, int)
 	}
 Done:
 	if(store) *s='\0';
-	return 1;
+	return nn > 0;
 }