[tor-commits] [tor-browser/tor-browser-78.3.0esr-10.5-1] Revert "Bug 21907: Fix runtime error on CentOS 6"

[gk@xxxxxxxxxxxxxx]

commit 090676aed458ed15a441e41350065f09f2df4566
Author: Georg Koppen <gk@xxxxxxxxxxxxxx>
Date:   Thu Sep 17 08:46:57 2020 +0000

    Revert "Bug 21907: Fix runtime error on CentOS 6"
    
    This reverts commit a00c57b6116329b5376bbf3f4212e5d2a3fece07.
    
    The 10.0 series is the last one with CentOS 6 support.
---
 gfx/harfbuzz/src/hb-glib.cc | 53 +++++++++++++++++++++++++++++++++++++++++++++
 gfx/harfbuzz/src/hb-glib.h  |  5 +++++
 2 files changed, 58 insertions(+)

diff --git a/gfx/harfbuzz/src/hb-glib.cc b/gfx/harfbuzz/src/hb-glib.cc
index 2fd39610203d..058f65ae69c3 100644
--- a/gfx/harfbuzz/src/hb-glib.cc
+++ b/gfx/harfbuzz/src/hb-glib.cc
@@ -49,6 +49,7 @@
  **/
 
 
+#if !GLIB_CHECK_VERSION(2,29,14)
 static const hb_script_t
 glib_script_to_script[] =
 {
@@ -170,6 +171,7 @@ glib_script_to_script[] =
   HB_SCRIPT_SORA_SOMPENG,
   HB_SCRIPT_TAKRI
 };
+#endif
 
 /**
  * hb_glib_script_to_script:
@@ -185,6 +187,9 @@ glib_script_to_script[] =
 hb_script_t
 hb_glib_script_to_script (GUnicodeScript script)
 {
+#if GLIB_CHECK_VERSION(2,29,14)
+  return (hb_script_t) g_unicode_script_to_iso15924 (script);
+#else
   if (likely ((unsigned int) script < ARRAY_LENGTH (glib_script_to_script)))
     return glib_script_to_script[script];
 
@@ -192,6 +197,7 @@ hb_glib_script_to_script (GUnicodeScript script)
     return HB_SCRIPT_INVALID;
 
   return HB_SCRIPT_UNKNOWN;
+#endif
 }
 
 /**
@@ -208,6 +214,9 @@ hb_glib_script_to_script (GUnicodeScript script)
 GUnicodeScript
 hb_glib_script_from_script (hb_script_t script)
 {
+#if GLIB_CHECK_VERSION(2,29,14)
+  return g_unicode_script_from_iso15924 (script);
+#else
   unsigned int count = ARRAY_LENGTH (glib_script_to_script);
   for (unsigned int i = 0; i < count; i++)
     if (glib_script_to_script[i] == script)
@@ -217,6 +226,7 @@ hb_glib_script_from_script (hb_script_t script)
     return G_UNICODE_SCRIPT_INVALID_CODE;
 
   return G_UNICODE_SCRIPT_UNKNOWN;
+#endif
 }
 
 
@@ -263,6 +273,10 @@ hb_glib_unicode_compose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
 			 hb_codepoint_t     *ab,
 			 void               *user_data HB_UNUSED)
 {
+#if GLIB_CHECK_VERSION(2,29,12)
+  return g_unichar_compose (a, b, ab);
+#endif
+
   /* We don't ifdef-out the fallback code such that compiler always
    * sees it and makes sure it's compilable. */
 
@@ -296,6 +310,10 @@ hb_glib_unicode_decompose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
 			   hb_codepoint_t     *b,
 			   void               *user_data HB_UNUSED)
 {
+#if GLIB_CHECK_VERSION(2,29,12)
+  return g_unichar_decompose (ab, a, b);
+#endif
+
   /* We don't ifdef-out the fallback code such that compiler always
    * sees it and makes sure it's compilable. */
 
@@ -397,4 +415,39 @@ hb_glib_get_unicode_funcs ()
   return static_glib_funcs.get_unconst ();
 }
 
+
+
+#if GLIB_CHECK_VERSION(2,31,10)
+
+static void
+_hb_g_bytes_unref (void *data)
+{
+  g_bytes_unref ((GBytes *) data);
+}
+
+/**
+ * hb_glib_blob_create:
+ * @gbytes: the GBytes structure to work upon
+ *
+ * Creates an #hb_blob_t blob from the specified
+ * GBytes data structure.
+ *
+ * Return value: (transfer full): the new #hb_blob_t blob object
+ *
+ * Since: 0.9.38
+ **/
+hb_blob_t *
+hb_glib_blob_create (GBytes *gbytes)
+{
+  gsize size = 0;
+  gconstpointer data = g_bytes_get_data (gbytes, &size);
+  return hb_blob_create ((const char *) data,
+			 size,
+			 HB_MEMORY_MODE_READONLY,
+			 g_bytes_ref (gbytes),
+			 _hb_g_bytes_unref);
+}
+#endif
+
+
 #endif
diff --git a/gfx/harfbuzz/src/hb-glib.h b/gfx/harfbuzz/src/hb-glib.h
index 4adbd7c332cb..5f04183ba19f 100644
--- a/gfx/harfbuzz/src/hb-glib.h
+++ b/gfx/harfbuzz/src/hb-glib.h
@@ -46,6 +46,11 @@ hb_glib_script_from_script (hb_script_t script);
 HB_EXTERN hb_unicode_funcs_t *
 hb_glib_get_unicode_funcs (void);
 
+#if GLIB_CHECK_VERSION(2,31,10)
+HB_EXTERN hb_blob_t *
+hb_glib_blob_create (GBytes *gbytes);
+#endif
+
 HB_END_DECLS
 
 #endif /* HB_GLIB_H */

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