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Date:      Sat, 30 Apr 2016 14:48:30 +0000 (UTC)
From:      Baptiste Daroussin <bapt@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r298851 - head/usr.bin/sdiff
Message-ID:  <201604301448.u3UEmUQm050759@repo.freebsd.org>

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Author: bapt
Date: Sat Apr 30 14:48:30 2016
New Revision: 298851
URL: https://svnweb.freebsd.org/changeset/base/298851

Log:
  When checking for binary file, check if ch is not EOF only ch actually got
  a value assigned
  
  Reported by:	pfg

Modified:
  head/usr.bin/sdiff/sdiff.c

Modified: head/usr.bin/sdiff/sdiff.c
==============================================================================
--- head/usr.bin/sdiff/sdiff.c	Sat Apr 30 14:47:45 2016	(r298850)
+++ head/usr.bin/sdiff/sdiff.c	Sat Apr 30 14:48:30 2016	(r298851)
@@ -514,12 +514,14 @@ istextfile(FILE *f)
 	if (f == NULL)
 		return (1);
 	rewind(f);
-	for (i = 0; i <= MAX_CHECK || ch != EOF; i++) {
+	for (i = 0; i <= MAX_CHECK; i++) {
 		ch = fgetc(f);
 		if (ch == '\0') {
 			rewind(f);
 			return (0);
 		}
+		if (ch == EOF)
+			break;
 	}
 	rewind(f);
 	return (1);



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