From 906d9cc83b2094f1c9e33c0b1a186de381741692 Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 25 Sep 2001 01:47:47 +0000
Subject: * win32/win32.c (isInternalCmd): check return value of
 NtMakeCmdVector (Tietew <tietew@tietew.net>'s patch).

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1756 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog     |  5 +++++
 win32/win32.c | 26 ++++++++++++++------------
 2 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 34933ec745..c087dce9b3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Sep 25 10:46:42 2001  Usaku Nakamura  <usa@ruby-lang.org>
+
+	* win32/win32.c (isInternalCmd): check return value of NtMakeCmdVector
+	  (Tietew <tietew@tietew.net>'s patch).
+
 Thu Sep 20 21:25:00 2001  Nobuyoshi Nakada  <nobu.nakada@nifty.ne.jp>
 
 	* eval.c (MATCH_DATA): access via rb_svar().
diff --git a/win32/win32.c b/win32/win32.c
index 52c361d27d..53c7c22467 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -367,20 +367,22 @@ static char *szInternalCmds[] = {
 int
 isInternalCmd(char *cmd)
 {
-        int i, fRet=0;
-	char **vec;
-        int vecc = NtMakeCmdVector(cmd, &vec, FALSE);
+    int i, fRet=0;
+    char **vec;
+    int vecc = NtMakeCmdVector(cmd, &vec, FALSE);
 
-        for( i = 0; szInternalCmds[i] ; i++){
-	    if(!strcasecmp(szInternalCmds[i], vec[0])){
-		fRet = 1;
-		break;
-	    }
-        }
- 
-	SafeFree (vec, vecc);
+    if (vecc == 0)
+	return 0;
+    for( i = 0; szInternalCmds[i] ; i++){
+	if(!strcasecmp(szInternalCmds[i], vec[0])){
+	    fRet = 1;
+	    break;
+	}
+    }
+
+    SafeFree(vec, vecc);
 
-	return fRet;
+    return fRet;
 }
 
 
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