Jason Edmeades : xcopy: Add support for /R (Replace read only files).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 432d81d704438570921b54b8e7697fd0dff27599
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=432d81d704438570921b54b8e7697fd0dff27599

Author: Jason Edmeades <us at edmeades.me.uk>
Date:   Thu Mar 29 22:21:06 2007 +0100

xcopy: Add support for /R (Replace read only files).

---

 programs/xcopy/xcopy.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/programs/xcopy/xcopy.c b/programs/xcopy/xcopy.c
index 2f2e7f9..8baa92f 100644
--- a/programs/xcopy/xcopy.c
+++ b/programs/xcopy/xcopy.c
@@ -51,6 +51,7 @@
 #define OPT_NOPROMPT     0x00000100
 #define OPT_SHORTNAME    0x00000200
 #define OPT_MUSTEXIST    0x00000400
+#define OPT_REPLACEREAD  0x00000800
 
 #define MAXSTRING 8192
 
@@ -155,6 +156,7 @@ int main (int argc, char *argv[])
             case 'Y': flags |= OPT_NOPROMPT;      break;
             case 'N': flags |= OPT_SHORTNAME;     break;
             case 'U': flags |= OPT_MUSTEXIST;     break;
+            case 'R': flags |= OPT_REPLACEREAD;   break;
             case '-': if (toupper(argvW[0][2])=='Y')
                           flags &= ~OPT_NOPROMPT; break;
             default:
@@ -475,6 +477,13 @@ static int XCOPY_DoCopy(WCHAR *srcstem, WCHAR *srcspec,
                     printf("%S\n", copyFrom);
                 }
 
+                /* If allowing overwriting of read only files, remove any
+                   write protection                                       */
+                if ((destAttribs & FILE_ATTRIBUTE_READONLY) &&
+                    (flags & OPT_REPLACEREAD)) {
+                    SetFileAttributes(copyTo, destAttribs & ~FILE_ATTRIBUTE_READONLY);
+                }
+
                 copiedFile = TRUE;
                 if (flags & OPT_SIMULATE || flags & OPT_NOCOPY) {
                     /* Skip copy */