novidia: add shader.farc xdelta/vcdiff patching

2020-11-10 05:00:18 +11:00
parent fd78178ddb
commit dd04e1ca1e
98 changed files with 45837 additions and 2 deletions
@@ -0,0 +1,56 @@
+/* xdelta3 - delta compression tools and library
+   Copyright 2016 Joshua MacDonald
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+#define NOT_MAIN 1
+
+#include "xdelta3.h"
+#include "xdelta3.c"
+
+static int read_whole_file(const char *name,
+			   uint8_t **buf_ptr,
+			   size_t *buf_len) {
+  main_file file;
+  int ret;
+  xoff_t len;
+  usize_t nread;
+  main_file_init(&file);
+  file.filename = name;
+  ret = main_file_open(&file, name, XO_READ);
+  if (ret != 0) {
+    fprintf(stderr, "open failed\n");
+    goto exit;
+  }
+  ret = main_file_stat(&file, &len);
+  if (ret != 0) {
+    fprintf(stderr, "stat failed\n");
+    goto exit;
+  }
+  
+  (*buf_len) = (size_t)len;
+  (*buf_ptr) = (uint8_t*) main_malloc(*buf_len);
+  ret = main_file_read(&file, *buf_ptr, *buf_len, &nread,
+		       "read failed");
+  if (ret == 0 && *buf_len == nread) {
+    ret = 0;
+  } else {
+    fprintf(stderr, "invalid read\n");
+    ret = XD3_INTERNAL;
+  }
+ exit:
+  main_file_cleanup(&file);
+  return ret;
+}
+