cmd.exe: PROMPT option to show pushd levels.

programs/cmd/builtins.c

@@ -42,12 +42,6 @@ WINE_DEFAULT_DEBUG_CHANNEL(cmd);
 
 void WCMD_execute (char *orig_command, char *parameter, char *substitution);
 
-struct env_stack
-{
-  struct env_stack *next;
-  WCHAR *strings;
-};
-
 struct env_stack *saved_environment;
 struct env_stack *pushd_directories;
 
@@ -612,6 +606,11 @@ void WCMD_pushd (void) {
     } else {
       curdir -> next    = pushd_directories;
       curdir -> strings = thisdir;
+      if (pushd_directories == NULL) {
+        curdir -> stackdepth = 1;
+      } else {
+        curdir -> stackdepth = pushd_directories -> stackdepth + 1;
+      }
       pushd_directories = curdir;
     }
 }

programs/cmd/wcmd.h

@@ -94,6 +94,15 @@ typedef struct {
   BOOL  skip_rest;      /* Skip the rest of the batch program and exit */
 } BATCH_CONTEXT;
 
+/* Data structure to save setlocal and pushd information */
+
+struct env_stack
+{
+  struct env_stack *next;
+  int    stackdepth;       /* Only used for pushd and popd */
+  WCHAR *strings;
+};
+
 #endif /* !RC_INVOKED */
 
 /*

programs/cmd/wcmdmain.c

@@ -45,6 +45,7 @@ const char anykey[] = "Press Return key to continue: ";
 char quals[MAX_PATH], param1[MAX_PATH], param2[MAX_PATH];
 BATCH_CONTEXT *context = NULL;
 static HANDLE old_stdin = INVALID_HANDLE_VALUE, old_stdout = INVALID_HANDLE_VALUE;
+extern struct env_stack *pushd_directories;
 
 static char *WCMD_expand_envvar(char *start);
 
@@ -936,6 +937,12 @@ void WCMD_show_prompt (void) {
 	case '_':
 	  *q++ = '\n';
 	  break;
+	case '+':
+	  if (pushd_directories) {
+	    memset(q, '+', pushd_directories->stackdepth);
+	    q = q + pushd_directories->stackdepth;
+	  }
+	  break;
       }
       p++;
       *q = '\0';