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emacs-unicode-2 branch w32select.c patch


From: xls
Subject: emacs-unicode-2 branch w32select.c patch
Date: Fri, 11 Mar 2005 12:33:37 +0800

Hi All,

Compilation of latest emacs-unicode-2 branch CVS version of
w32select.c (Rev.1.29.2.5)
fails because the function "convert_to_handle_as_coded" and
"w32-get-clipboard-data"
have some stynax error.
The following patch fixes that, but i ignore the clipboard-data's eol-type .

--- w32select.c.org     2005-03-11 12:26:15.421875000 +0800
+++ w32select.c 2005-03-11 12:01:49.640625000 +0800
@@ -212,64 +212,54 @@
 static HGLOBAL
 convert_to_handle_as_coded (Lisp_Object coding_system)
 {
-  HGLOBAL htext = NULL, htext2;
-  int nbytes;
-  unsigned char *src;
-  unsigned char *dst = NULL;
-  int bufsize;
-  struct coding_system coding;
-  Lisp_Object string = Qnil;
-
-  ONTRACE (fprintf (stderr, "convert_to_handle_as_coded: %s\n",        
-                   SDATA (SYMBOL_NAME (coding_system))));
-
-  setup_coding_system (Fcheck_coding_system (coding_system), &coding);
-  coding.src_multibyte = 1;
-  coding.dst_multibyte = 0;
-  /* Need to set COMPOSITION_DISABLED, otherwise Emacs crashes in
-     encode_coding_iso2022 trying to dereference a null pointer.  */
-  coding.composing = COMPOSITION_DISABLED;
-  if (coding.type == coding_type_iso2022)
-    coding.flags |= CODING_FLAG_ISO_SAFE;
-  coding.mode |= CODING_MODE_LAST_BLOCK;
-  /* Force DOS line-ends. */
-  coding.eol_type = CODING_EOL_CRLF;
-
-  if (SYMBOLP (coding.pre_write_conversion)
-      && !NILP (Ffboundp (coding.pre_write_conversion)))
-    string = run_pre_post_conversion_on_str (current_text, &coding, 1);
-  else
-    string = current_text;
-
-  nbytes = SBYTES (string);
-  src = SDATA (string);
-
-  bufsize = encoding_buffer_size (&coding, nbytes) +2;
-  htext = GlobalAlloc (GMEM_MOVEABLE | GMEM_DDESHARE, bufsize);
+       HGLOBAL htext = NULL, htext2;
+       int nbytes;
+       unsigned char *src;
+       unsigned char *dst = NULL;
+       int bufsize;
+       struct coding_system coding;
+       Lisp_Object string = Qnil;
 
-  if (htext != NULL)
-    dst = (unsigned char *) GlobalLock (htext);
+       ONTRACE (fprintf (stderr, "convert_to_handle_as_coded: %s\n",   
+       SDATA (SYMBOL_NAME (coding_system))));
 
-  if (dst != NULL)
-    {
-      encode_coding (&coding, src, dst, nbytes, bufsize-2);
-      /* Add the string terminator.  Add two NULs in case we are
-        producing Unicode here.  */
-      dst[coding.produced] = dst[coding.produced+1] = '\0';
-    }
-
-  if (dst != NULL)
-    GlobalUnlock (htext);
+       setup_coding_system (Fcheck_coding_system (coding_system), &coding);
+       coding.src_multibyte = 1;
+       coding.dst_multibyte = 0;
+       /* Need to set COMPOSITION_DISABLED, otherwise Emacs crashes in
+          encode_coding_iso2022 trying to dereference a null pointer. */
+       coding.common_flags &= ~CODING_ANNOTATION_MASK;
+       coding.mode |= CODING_MODE_LAST_BLOCK;
 
-  if (htext != NULL)
-    {
-      /* Shrink data block to actual size.  */
-      htext2 = GlobalReAlloc (htext, coding.produced+2,
-                             GMEM_MOVEABLE | GMEM_DDESHARE);
-      if (htext2 != NULL) htext = htext2;
+       string = current_text;
+       encode_coding_string (&coding, string, nbytes);
+       
+       bufsize = SBYTES (coding.dst_object)+2;
+       src = SDATA (coding.dst_object);
+       /* Add the string terminator.  Add two NULs in case we are
+          producing Unicode here. */
+       src[coding.produced] = src[coding.produced+1] = '\0';
+               
+       htext = GlobalAlloc (GMEM_MOVEABLE | GMEM_DDESHARE, bufsize);
+       if (htext != NULL)
+       dst = (unsigned char *) GlobalLock (htext);
+       if (dst != NULL)
+    {
+       memcpy(dst, src, bufsize);
+    }    
+
+       if (dst != NULL)
+       GlobalUnlock (htext);
+
+       if (htext != NULL)
+    {
+         /* Shrink data block to actual size. */
+               htext2 = GlobalReAlloc (htext, coding.produced+2,
+               GMEM_MOVEABLE | GMEM_DDESHARE);
+               if (htext2 != NULL) htext = htext2;
     }
 
-  return htext;
+       return htext;
 }
 
 static Lisp_Object
@@ -918,7 +908,7 @@
           sequence.  */
        coding.common_flags &= ~CODING_ANNOTATION_MASK;
        /* Force DOS line-ends. */
-       coding.eol_type = CODING_EOL_CRLF;
+       /*coding.eol_type = CODING_EOL_CRLF;*/
 
        coding.dst_bytes = nbytes * 2;
        coding.destination = (unsigned char *) xmalloc (coding.dst_bytes);



Sincerely,
XueLiSong




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