From: Po Lu <luangruo@yahoo.com>
Date: Fri, 18 Mar 2022 05:48:10 +0000 (+0000)
Subject: Allow dragging messages with file names on Haiku
X-Git-Tag: emacs-29.0.90~1931^2~1056
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=a96f6de5447f296dbadc90de9a1157062e9ba491;p=emacs.git

Allow dragging messages with file names on Haiku

* src/haiku_select.cc (be_add_refs_data): New function.
* src/haikuselect.c (haiku_lisp_to_message): Handle `ref' type
correctly.
* src/haikuselect.h: Update prototypes.
---

diff --git a/src/haiku_select.cc b/src/haiku_select.cc
index 4212f60a480..9012639d6af 100644
--- a/src/haiku_select.cc
+++ b/src/haiku_select.cc
@@ -337,3 +337,20 @@ be_add_message_data (void *message, const char *name,
 
   return msg->AddData (name, type_code, buf, buf_size) != B_OK;
 }
+
+int
+be_add_refs_data (void *message, const char *name,
+		  const char *filename)
+{
+  BEntry entry (filename);
+  entry_ref ref;
+  BMessage *msg = (BMessage *) message;
+
+  if (entry.InitCheck () != B_OK)
+    return 1;
+
+  if (entry.GetRef (&ref) != B_OK)
+    return 1;
+
+  return msg->AddRef (name, &ref) != B_OK;
+}
diff --git a/src/haikuselect.c b/src/haikuselect.c
index 7474ff12327..807cbc24939 100644
--- a/src/haikuselect.c
+++ b/src/haikuselect.c
@@ -378,7 +378,10 @@ haiku_lisp_to_message (Lisp_Object obj, void *message)
 	  switch (type_code)
 	    {
 	    case 'RREF':
-	      signal_error ("Cannot deserialize data type", type_sym);
+	      CHECK_STRING (data);
+
+	      if (be_add_refs_data (message, SSDATA (name), SSDATA (data)))
+		signal_error ("Invalid file name", data);
 	      break;
 
 	    case 'SHRT':
diff --git a/src/haikuselect.h b/src/haikuselect.h
index 366890d1a46..4869d9d33c2 100644
--- a/src/haikuselect.h
+++ b/src/haikuselect.h
@@ -91,6 +91,8 @@ extern "C"
   extern int be_add_message_data (void *message, const char *name,
 				  int32 type_code, const void *buf,
 				  ssize_t buf_size);
+  extern int be_add_refs_data (void *message, const char *name,
+			       const char *filename);
 #ifdef __cplusplus
 };
 #endif