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Date:      Thu, 15 Nov 2012 15:06:24 +0000 (UTC)
From:      Eitan Adler <eadler@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r243083 - head/usr.sbin/chkgrp
Message-ID:  <201211151506.qAFF6OEE004167@svn.freebsd.org>
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Author: eadler
Date: Thu Nov 15 15:06:24 2012
New Revision: 243083
URL: http://svnweb.freebsd.org/changeset/base/243083

Log:
  Be declarative about if an error has occured.
  
  Fixes overflow on very large group files with lots of errors. This is
  unlikely to occur in practice.
  
  Approved by:	cperciva
  MFC after:	1 week

Modified:
  head/usr.sbin/chkgrp/chkgrp.c

Modified: head/usr.sbin/chkgrp/chkgrp.c
==============================================================================
--- head/usr.sbin/chkgrp/chkgrp.c	Thu Nov 15 15:06:21 2012	(r243082)
+++ head/usr.sbin/chkgrp/chkgrp.c	Thu Nov 15 15:06:24 2012	(r243083)
@@ -81,7 +81,7 @@ main(int argc, char *argv[])
 	    break;
 	if (len > 0 && line[len - 1] != '\n') {
 	    warnx("%s: line %d: no newline character", gfn, n);
-	    e++;
+	    e = 1;
 	}
 	while (len && isspace(line[len-1]))
 	    len--;
@@ -114,14 +114,14 @@ main(int argc, char *argv[])
             warnx("%s: line %d: missing field(s)", gfn, n);
 	    for ( ; k < 4; k++)
 		f[k] = empty;
-            e++;
+            e = 1;
         }
 
 	for (cp = f[0] ; *cp ; cp++) {
 	    if (!isalnum(*cp) && *cp != '.' && *cp != '_' && *cp != '-' &&
 		(cp > f[0] || *cp != '+')) {
 		warnx("%s: line %d: '%c' invalid character", gfn, n, *cp);
-		e++;
+		e = 1;
 	    }
 	}
 
@@ -129,14 +129,14 @@ main(int argc, char *argv[])
 	    if (!isalnum(*cp) && *cp != '.' && *cp != '_' && *cp != '-' &&
 			*cp != ',') {
 		warnx("%s: line %d: '%c' invalid character", gfn, n, *cp);
-		e++;
+		e = 1;
 	    }
 	}
 
 	/* check if fourth field ended with a colon */
 	if (i < len) {
 	    warnx("%s: line %d: too many fields", gfn, n);
-	    e++;
+	    e = 1;
 	}
 	
 	/* check that none of the fields contain whitespace */
@@ -144,14 +144,14 @@ main(int argc, char *argv[])
 	    if (strcspn(f[k], " \t") != strlen(f[k])) {
 		warnx("%s: line %d: field %d contains whitespace",
 		      gfn, n, k+1);
-		e++;
+		e = 1;
 	    }
 	}
 
 	/* check that the GID is numeric */
 	if (strspn(f[2], "0123456789") != strlen(f[2])) {
 	    warnx("%s: line %d: GID is not numeric", gfn, n);
-	    e++;
+	    e = 1;
 	}
 
 	/* check the range of the group id */
@@ -163,7 +163,7 @@ main(int argc, char *argv[])
 	else if (groupid > GID_MAX) {
 		warnx("%s: line %d: group id is too large (> %ju)",
 		  gfn, n, (uintmax_t)GID_MAX);
-		e++;
+		e = 1;
 	}
 	
 #if 0
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