[Patch: pe-i386] ld/deffilep.y (import_def): Use default extension 'dll'

[Danny Smith <danny_r_smith_2001 at yahoo dot co dot nz>]

Common usage for IMPORT section definitions in def files omit the dll
module extension name eg:

IMPORTS
my_api_stdcallname at 8 = Vendor.PascalName

where  PascalName is imported from Vendor.dll

(MS  does not document this feature much, but it seems to be more widely
used with Borland compiler. See, eg.
http://web.bham.ac.uk/carterd/glide/define.htm) 

This fails with current ld.  A default extension is not provided. Although
a dll is created, at load time the user dll looks for but cannot
find the module Vendor (but could find Vendor.dll).

Fixed so:


2003-03-13  Danny Smith  <dannysmith at users dot sourceforge,net> 


	* deffilep.y (def_import):  Use default extension of "dll"
	if no extension provided in parsed IMPORT command.


*** deffilep.y	Thu Mar 13 06:35:23 2003
--- deffilep.y.new	Thu Mar 13 07:23:39 2003
*************** def_import (internal_name, module, dllex
*** 807,819 ****
       int ordinal;
  {
    char *buf = 0;
! 
!   if (dllext != NULL)
!     {
!       buf = (char *) xmalloc (strlen (module) + strlen (dllext) + 2);
!       sprintf (buf, "%s.%s", module, dllext);
!       module = buf;
!     }
  
    def_file_add_import (def, name, module, ordinal, internal_name);
    if (buf)
--- 807,818 ----
       int ordinal;
  {
    char *buf = 0;
!   const char default_ext[] = "dll";
!   const char *ext = dllext ? dllext : default_ext;    
!    
!   buf = (char *) xmalloc (strlen (module) + strlen (ext) + 2);
!   sprintf (buf, "%s.%s", module, ext);
!   module = buf;
  
    def_file_add_import (def, name, module, ordinal, internal_name);
    if (buf)

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