newlib: vfwscanf: fix miscomputation of max field width in %[] case

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2017-11-30 21:02:38 +01:00 · 2017-11-30 21:02:38 +01:00 · 7161622514
parent b9a662bb4c
commit 7161622514
1 changed files with 1 additions and 1 deletions
--- a/newlib/libc/stdio/vfwscanf.c
+++ b/newlib/libc/stdio/vfwscanf.c
@ -879,7 +879,7 @@ _DEFUN(__SVFWSCANF_R, (rptr, fp, fmt0, ap),
 	      n = 0;
 	      memset ((_PTR) &mbs, '\0', sizeof (mbstate_t));
 	      while ((wi = _fgetwc_r (rptr, fp)) != WEOF
-		     && width-- != 0 && INCCL (wi))
+		     && width != 0 && INCCL (wi))
 		{
 		  if (width >= MB_CUR_MAX && !(flags & SUPPRESS))
 		    {