vcl: Remove the dead fd-hack

Drop the exterals patches as VCL internals don’t support this anymore,
and drop the LOK addfont change as it wouldn’t work now. I don’t know if
LOK addfont has any use now, but I left it.

Change-Id: I2798679d0bb59bb6c2c6e0eae329287f36662223
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/208546
Reviewed-by: Khaled Hosny <khaled@libreoffice.org>
Tested-by: Jenkins

desktop/source/lib/init.cxx

@@ -5216,22 +5216,10 @@ static void lo_setOption(LibreOfficeKit* /*pThis*/, const char *pOption, const c
 #ifdef LINUX
     else if (strcmp(pOption, "addfont") == 0)
     {
-        if (memcmp(pValue, "file://", 7) == 0)
-            pValue += 7;
-
-        int fd = open(pValue, O_RDONLY);
-        if (fd == -1)
-        {
-            std::cerr << "Could not open font file '" << pValue << "': " << strerror(errno) << std::endl;
-            return;
-        }
-
-        OUString sMagicFileName = "file:///:FD:/" + OUString::number(fd);
-
         SolarMutexGuard aGuard;
         OutputDevice *pDevice = Application::GetDefaultDevice();
         OutputDevice::ImplClearAllFontData(true);
-        pDevice->AddTempDevFont(sMagicFileName, u""_ustr);
+        pDevice->AddTempDevFont(OUString::fromUtf8(pValue), u""_ustr);
         OutputDevice::ImplRefreshAllFontData(true);
     }
 #endif

external/cairo/UnpackedTarball_cairo.mk

@@ -25,7 +25,6 @@ endif
 $(eval $(call gb_UnpackedTarball_add_patches,cairo,\
     external/cairo/cairo/cairo.RGB24_888.patch \
     external/cairo/cairo/san.patch.0 \
-    external/cairo/cairo/cairo-fd-hack.patch.0 \
     external/cairo/cairo/cairo.ofz57493-Timeout.patch.1 \
     external/cairo/cairo/shm-null-deref.patch.1 \
     external/cairo/cairo/avoid-negative-left-shift.patch.1 \

external/cairo/cairo/cairo-fd-hack.patch.0

@@ -1,15 +0,0 @@
-# -*- Mode: Diff -*-
---- src/cairo-ft-font.c
-+++ src/cairo-ft-font.c
-@@ -737,7 +737,10 @@
-     if (ret == FcResultOutOfMemory)
- 	return _cairo_error (CAIRO_STATUS_NO_MEMORY);
-     if (ret == FcResultMatch) {
--	if (access (filename, R_OK) == 0) {
-+       int nFD = -1;
-+       int n;
-+       if ((sscanf (filename, "/:FD:/%d%n", &nFD, &n) == 1 && filename[n] == '\0') ||
-+	    access (filename, R_OK) == 0) {
- 	    /* If FC_INDEX is not set, we just use 0 */
- 	    ret = FcPatternGetInteger (pattern, FC_INDEX, 0, &id);
- 	    if (ret == FcResultOutOfMemory)

external/freetype/UnpackedTarball_freetype.mk

@@ -14,7 +14,6 @@ $(eval $(call gb_UnpackedTarball_set_tarball,freetype,$(FREETYPE_TARBALL),,freet
 $(eval $(call gb_UnpackedTarball_add_patches,freetype,\
 	external/freetype/freetype-2.6.5.patch.1 \
 	external/freetype/ubsan.patch \
-	external/freetype/freetype-fd-hack.patch.0 \
 	external/freetype/windows.patch \
 ))
 

external/freetype/freetype-fd-hack.patch.0

@@ -1,60 +0,0 @@
-# -*- Mode: Diff -*-
---- src/base/ftsystem.c
-+++ src/base/ftsystem.c
-@@ -24,6 +24,7 @@
-    *
-    */
- 
-+#include <unistd.h>
- 
- #include <ft2build.h>
- #include FT_CONFIG_CONFIG_H
-@@ -238,6 +239,8 @@
-                   const char*  filepathname )
-   {
-     FT_FILE*  file;
-+    int nFD;
-+    int n;
- 
- 
-     if ( !stream )
-@@ -250,7 +253,13 @@
-     stream->read               = NULL;
-     stream->close              = NULL;
- 
--    file = ft_fopen( filepathname, "rb" );
-+    if ( sscanf( filepathname, "/:FD:/%d%n", &nFD, &n ) == 1 && filepathname[n] == '\0')
-+    {
-+      lseek( nFD, 0, SEEK_SET );
-+      file = fdopen( dup( nFD ), "rb" );
-+    }
-+    else
-+      file = ft_fopen( filepathname, "rb" );
-     if ( !file )
-     {
-       FT_ERROR(( "FT_Stream_Open:"
---- builds/unix/ftsystem.c
-+++ builds/unix/ftsystem.c
-@@ -249,13 +249,21 @@
-   {
-     int          file;
-     struct stat  stat_buf;
-+    int nFD;
-+    int n;
- 
- 
-     if ( !stream )
-       return FT_THROW( Invalid_Stream_Handle );
- 
-     /* open the file */
--    file = open( filepathname, O_RDONLY );
-+    if ( sscanf( filepathname, "/:FD:/%d%n", &nFD, &n ) == 1 && filepathname[n] == '\0')
-+    {
-+      lseek( nFD, 0, SEEK_SET );
-+      file = dup( nFD );
-+    }
-+    else
-+      file = open( filepathname, O_RDONLY );
-     if ( file < 0 )
-     {
-       FT_ERROR(( "FT_Stream_Open:" ));