cmd: Add support for NEQ comparison operator in if statements.

programs/cmd/builtins.c

@@ -2358,6 +2358,7 @@ static int evaluate_if_comparison(const WCHAR *leftOperand, const WCHAR *operato
     static const WCHAR lssW[]  = {'l','s','s','\0'};
     static const WCHAR leqW[]  = {'l','e','q','\0'};
     static const WCHAR equW[]  = {'e','q','u','\0'};
+    static const WCHAR neqW[]  = {'n','e','q','\0'};
 
     /* == is a special case, as it always compares strings */
     if (!lstrcmpiW(operator, eqeqW))
@@ -2394,6 +2395,14 @@ static int evaluate_if_comparison(const WCHAR *leftOperand, const WCHAR *operato
                                    : lstrcmpW (leftOperand, rightOperand) == 0;
     }
 
+    if (!lstrcmpiW(operator, neqW)) {
+        if (int_operands)
+            return leftOperand_int != rightOperand_int;
+        else
+            return caseInsensitive ? lstrcmpiW(leftOperand, rightOperand) != 0
+                                   : lstrcmpW (leftOperand, rightOperand) != 0;
+    }
+
     return -1;
 }
 

programs/cmd/tests/test_builtins.cmd.exp

@@ -487,26 +487,26 @@ AB EQU AB
 BA EQU BA
 AA EQU AA
 A EQU a insensitive
-@todo_wine@B NEQ A
-@todo_wine@AB NEQ A
-@todo_wine@BA NEQ A
-@todo_wine@AA NEQ A
-@todo_wine@A NEQ B
-@todo_wine@AB NEQ B
-@todo_wine@BA NEQ B
-@todo_wine@AA NEQ B
-@todo_wine@A NEQ AB
-@todo_wine@B NEQ AB
-@todo_wine@BA NEQ AB
-@todo_wine@AA NEQ AB
-@todo_wine@A NEQ BA
-@todo_wine@B NEQ BA
-@todo_wine@AB NEQ BA
-@todo_wine@AA NEQ BA
-@todo_wine@A NEQ AA
-@todo_wine@B NEQ AA
-@todo_wine@AB NEQ AA
-@todo_wine@BA NEQ AA
+B NEQ A
+AB NEQ A
+BA NEQ A
+AA NEQ A
+A NEQ B
+AB NEQ B
+BA NEQ B
+AA NEQ B
+A NEQ AB
+B NEQ AB
+BA NEQ AB
+AA NEQ AB
+A NEQ BA
+B NEQ BA
+AB NEQ BA
+AA NEQ BA
+A NEQ AA
+B NEQ AA
+AB NEQ AA
+BA NEQ AA
 @todo_wine@A GEQ A
 @todo_wine@B GEQ A
 @todo_wine@AB GEQ A
@@ -564,18 +564,18 @@ octal ok
 hexa ok
 string/hexa compare ok
 string/hexa compare ok
-@todo_wine@1 NEQ 0
-@todo_wine@10 NEQ 0
-@todo_wine@9 NEQ 0
-@todo_wine@0 NEQ 1
-@todo_wine@10 NEQ 1
-@todo_wine@9 NEQ 1
-@todo_wine@0 NEQ 10
-@todo_wine@1 NEQ 10
-@todo_wine@9 NEQ 10
-@todo_wine@0 NEQ 9
-@todo_wine@1 NEQ 9
-@todo_wine@10 NEQ 9
+1 NEQ 0
+10 NEQ 0
+9 NEQ 0
+0 NEQ 1
+10 NEQ 1
+9 NEQ 1
+0 NEQ 10
+1 NEQ 10
+9 NEQ 10
+0 NEQ 9
+1 NEQ 9
+10 NEQ 9
 @todo_wine@0 GEQ 0
 @todo_wine@1 GEQ 0
 @todo_wine@10 GEQ 0