[Git][freetype/freetype][fix1270] [cache] Fix error handling.

[Alexei Podtelezhnikov (@apodtele)]

Alexei Podtelezhnikov pushed to branch fix1270 at FreeType / FreeType

Commits:

• d091bca5
  by Alexei Podtelezhnikov (Алексей Подтележников) at 2024-04-17T00:33:14-04:00

  [cache] Fix error handling.
  
  Manipulate the cache after a face is requested or a size is looked up
  successfully. Fixes #1270.
  
  * src/cache/ftcmanag.c (ftc_size_node_init, ftc_size_node_reset,
  ftc_face_node_init): Check for errors before accepting a change.
  * src/cache/ftcmru.c (FTC_MruList_New): Do nothing if reset fails.
  

2 changed files:

• src/cache/ftcmanag.c
• src/cache/ftcmru.c

Changes:

src/cache/ftcmanag.c

---

...	...	@@ -118,14 +118,21 @@
118	118	FT_Pointer ftcscaler,
119	119	FT_Pointer ftcmanager )
120	120	{
	121	+ FT_Error error;
	122	+ FT_Size size;
121	123	FTC_SizeNode node = (FTC_SizeNode)ftcnode;
122	124	FTC_Scaler scaler = (FTC_Scaler)ftcscaler;
123	125	FTC_Manager manager = (FTC_Manager)ftcmanager;
124	126
125	127
126		- node->scaler = scaler[0];
	128	+ error = ftc_scaler_lookup_size( manager, scaler, &size );
	129	+ if ( !error )
	130	+ {
	131	+ node->size = size;
	132	+ node->scaler = scaler[0];
	133	+ }
127	134
128		- return ftc_scaler_lookup_size( manager, scaler, &node->size );
	135	+ return error;
129	136	}
130	137
131	138
...	...	@@ -134,16 +141,23 @@
134	141	FT_Pointer ftcscaler,
135	142	FT_Pointer ftcmanager )
136	143	{
	144	+ FT_Error error;
	145	+ FT_Size size;
137	146	FTC_SizeNode node = (FTC_SizeNode)ftcnode;
138	147	FTC_Scaler scaler = (FTC_Scaler)ftcscaler;
139	148	FTC_Manager manager = (FTC_Manager)ftcmanager;
140	149
141	150
142		- FT_Done_Size( node->size );
	151	+ error = ftc_scaler_lookup_size( manager, scaler, &size );
	152	+ if ( !error )
	153	+ {
	154	+ FT_Done_Size( node->size );
143	155
144		- node->scaler = scaler[0];
	156	+ node->size = size;
	157	+ node->scaler = scaler[0];
	158	+ }
145	159
146		- return ftc_scaler_lookup_size( manager, scaler, &node->size );
	160	+ return error;
147	161	}
148	162
149	163
...	...	@@ -231,23 +245,25 @@
231	245	FT_Pointer ftcface_id,
232	246	FT_Pointer ftcmanager )
233	247	{
	248	+ FT_Error error;
	249	+ FT_Face face;
234	250	FTC_FaceNode node = (FTC_FaceNode)ftcnode;
235	251	FTC_FaceID face_id = (FTC_FaceID)ftcface_id;
236	252	FTC_Manager manager = (FTC_Manager)ftcmanager;
237		- FT_Error error;
238		-
239	253
240		- node->face_id = face_id;
241	254
242	255	error = manager->request_face( face_id,
243	256	manager->library,
244	257	manager->request_data,
245		- &node->face );
	258	+ &face );
246	259	if ( !error )
247	260	{
248	261	/* destroy initial size object; it will be re-created later */
249		- if ( node->face->size )
250		- FT_Done_Size( node->face->size );
	262	+ if ( face->size )
	263	+ FT_Done_Size( face->size );
	264	+
	265	+ node->face = face;
	266	+ node->face_id = face_id;
251	267	}
252	268
253	269	return error;

src/cache/ftcmru.c

---

...	...	@@ -249,11 +249,13 @@
249	249
250	250	if ( list->clazz.node_reset )
251	251	{
252		- FTC_MruNode_Up( &list->nodes, node );
253		-
254	252	error = list->clazz.node_reset( node, key, list->data );
255	253	if ( !error )
256		- goto Exit;
	254	+ FTC_MruNode_Up( &list->nodes, node );
	255	+ else
	256	+ node = NULL;
	257	+
	258	+ goto Exit;
257	259	}
258	260
259	261	FTC_MruNode_Remove( &list->nodes, node );

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