From: Jim Meyering <jim@meyering.net>
Date: Fri, 1 Dec 1995 07:03:47 +0000 (+0000)
Subject: treat `-' as if it were zero.  Reported by Ross Alexander
X-Git-Tag: TEXTUTILS-1_13g~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74b4707ea65fea0217120c779a076fcf13cd20e4;p=thirdparty%2Fcoreutils.git

treat `-' as if it were zero.  Reported by Ross Alexander
<r.alexander@auckland.ac.nz>.
---

diff --git a/src/sort.c b/src/sort.c
index 60080b5c1b..3fc2f7873e 100644
--- a/src/sort.c
+++ b/src/sort.c
@@ -782,7 +782,7 @@ numcompare (register const char *a, register const char *b)
       tmpa = UCHAR (*++a);
       if (tmpb != '-')
 	{
-	  if (digits[tmpa] && digits[tmpb])
+	  if ((tmpa == 0 || digits[tmpa]) && digits[tmpb])
 	    return -1;
 	  return 0;
 	}
@@ -821,7 +821,8 @@ numcompare (register const char *a, register const char *b)
     }
   else if (tmpb == '-')
     {
-      if (digits[UCHAR (tmpa)] && digits[UCHAR (*++b)])
+      ++b;
+      if (digits[UCHAR (tmpa)] && (UCHAR (*b) == 0 || digits[UCHAR (*b)]))
 	return 1;
       return 0;
     }