[PATCH 4/7] reg: Parse 'reg delete' command-line arguments in delete.c

[Hugh McMaster]

Signed-off-by: Hugh McMaster 
---
 programs/reg/delete.c | 64 +++++++++++++++++++++++++++++++++++++++++--
 programs/reg/reg.c    | 22 +++++----------
 programs/reg/reg.h    |  3 +-
 3 files changed, 70 insertions(+), 19 deletions(-)

diff --git a/programs/reg/delete.c b/programs/reg/delete.c
index c102fb4ad53..c80205ab5a9 100644
--- a/programs/reg/delete.c
+++ b/programs/reg/delete.c
@@ -18,8 +18,8 @@

#include "reg.h"

-int reg_delete(HKEY root, WCHAR *path, WCHAR *key_name, WCHAR *value_name,
-               BOOL value_empty, BOOL value_all, BOOL force)
+static int run_delete(HKEY root, WCHAR *path, WCHAR *key_name, WCHAR *value_name,
+                      BOOL value_empty, BOOL value_all, BOOL force)
 {
     HKEY key;

@@ -105,3 +105,63 @@ int reg_delete(HKEY root, WCHAR *path, WCHAR *key_name, WCHAR *value_name,
     output_message(STRING_SUCCESS);
     return 0;
 }
+
+int reg_delete(int argc, WCHAR *argvW[])
+{
+    HKEY root;
+    WCHAR *path, *key_name, *value_name = NULL;
+    BOOL value_all = FALSE, value_empty = FALSE, force = FALSE;
+    int i, ret;
+
+    if (!parse_registry_key(argvW[2], &root, &path, &key_name))
+        return 1;
+
+    for (i = 3; i < argc; i++)
+    {
+        if (argvW[i][0] == '/' || argvW[i][0] == '-')
+        {
+            WCHAR *str = &argvW[i][1];
+
+            if (!lstrcmpiW(str, L"va"))
+            {
+                if (value_all) goto invalid;
+                value_all = TRUE;
+                continue;
+            }
+            else if (!lstrcmpiW(str, L"ve"))
+            {
+                if (value_empty) goto invalid;
+                value_empty = TRUE;
+                continue;
+            }
+            else if (!str[0] || str[1])
+                goto invalid;
+
+            switch (towlower(*str))
+            {
+            case 'v':
+                if (value_name || !(value_name = argvW[++i]))
+                    goto invalid;
+                break;
+            case 'f':
+                if (force) goto invalid;
+                force = TRUE;
+                break;
+            default:
+                goto invalid;
+            }
+        }
+    }
+
+    if ((value_name && value_empty) || (value_name && value_all) || (value_empty && value_all))
+        goto invalid;
+
+    ret = run_delete(root, path, key_name, value_name, value_empty, value_all, force);
+    free(key_name);
+    return ret;
+
+invalid:
+    free(key_name);
+    output_message(STRING_INVALID_CMDLINE);
+    return 1;
+}
diff --git a/programs/reg/reg.c b/programs/reg/reg.c
index 88889205ca7..9f2b4b53a04 100644
--- a/programs/reg/reg.c
+++ b/programs/reg/reg.c
@@ -333,11 +333,10 @@ static enum operations get_operation(const WCHAR *str, int *op_help)

int __cdecl wmain(int argc, WCHAR *argvW[])
 {
-    int i, op, op_help, ret;
-    static const WCHAR switchVAW[] = {'v','a',0};
+    int i, op, op_help;
     static const WCHAR switchVEW[] = {'v','e',0};
     WCHAR *key_name, *path, *value_name = NULL, *type = NULL, *data = NULL, separator = '\0';
-    BOOL value_empty = FALSE, value_all = FALSE, force = FALSE;
+    BOOL value_empty = FALSE, force = FALSE;
     HKEY root;

if (argc == 1)
@@ -374,6 +373,9 @@ int __cdecl wmain(int argc, WCHAR *argvW[])
         return 0;
     }

+    if (op == REG_DELETE)
+        return reg_delete(argc, argvW);
+
     if (op == REG_EXPORT)
         return reg_export(argc, argvW);

@@ -397,11 +399,6 @@ int __cdecl wmain(int argc, WCHAR *argvW[])
                 value_empty = TRUE;
                 continue;
             }
-            else if (!lstrcmpiW(ptr, switchVAW))
-            {
-                value_all = TRUE;
-                continue;
-            }
             else if (!ptr[0] || ptr[1])
             {
                 output_message(STRING_INVALID_CMDLINE);
@@ -450,16 +447,11 @@ int __cdecl wmain(int argc, WCHAR *argvW[])
         }
     }

-    if ((value_name && value_empty) || (value_name && value_all) || (value_empty && value_all))
+    if (value_name && value_empty)
     {
         output_message(STRING_INVALID_CMDLINE);
         return 1;
     }

-    if (op == REG_ADD)
-        ret = reg_add(root, path, value_name, value_empty, type, separator, data, force);
-    else
-        ret = reg_delete(root, path, key_name, value_name, value_empty, value_all, force);
-
-    return ret;
+    return reg_add(root, path, value_name, value_empty, type, separator, data, force);
 }
diff --git a/programs/reg/reg.h b/programs/reg/reg.h
index e1e4804d19d..e4ee13eca6e 100644
--- a/programs/reg/reg.h
+++ b/programs/reg/reg.h
@@ -47,8 +47,7 @@ int reg_add(HKEY root, WCHAR *path, WCHAR *value_name, BOOL value_empty,
             WCHAR *type, WCHAR separator, WCHAR *data, BOOL force);

/* delete.c */
-int reg_delete(HKEY root, WCHAR *path, WCHAR *key_name, WCHAR *value_name,
-               BOOL value_empty, BOOL value_all, BOOL force);
+int reg_delete(int argc, WCHAR *argvW[]);

/* export.c */
 int reg_export(int argc, WCHAR *argvW[]);