Populate the toc_entries in asset_pack_t

.vscode/launch.json

@@ -54,6 +54,30 @@
                     "ignoreFailures": true
                 }
             ]
+        },
+        {
+            "name": "(gdb) Debug pakrd_test",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/pakrd_test",
+            "args": [],
+            "stopAtEntry": false,
+            "cwd": "${workspaceFolder}",
+            "environment": [],
+            "externalConsole": false,
+            "MIMode": "gdb",
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                },
+                {
+                    "description": "Set Disassembly Flavor to Intel",
+                    "text": "-gdb-set disassembly-flavor intel",
+                    "ignoreFailures": true
+                }
+            ]
         }
     ]
 }

src/pak.c

@@ -132,7 +132,7 @@ asset_pack_t *load_asset_pack(const char *filepath) {
 
   pack->fp = fopen(full_path, "rb");
   if (!(pack->fp)) {
-    free(pack);
+    close_asset_pack(&pack);
 
     return NULL;
   }
@@ -145,16 +145,29 @@ asset_pack_t *load_asset_pack(const char *filepath) {
 
   pack->toc = (u8 *)malloc(toc_size);
   if (!(pack->toc)) {
-    fclose(pack->fp);
+    close_asset_pack(&pack);
-
-    free(pack);
 
     return NULL;
   }
 
   fread((void *)(pack->toc), toc_size, 1, pack->fp);
 
-  // TODO (Abdelrahman): Populate the entries array
+  u64 entries_size = sizeof(toc_entry_t *) * pack->header.toc.count;
+
+  pack->toc_entries = (toc_entry_t **)malloc(entries_size);
+  if (!(pack->toc_entries)) {
+    close_asset_pack(&pack);
+
+    return NULL;
+  }
+
+  toc_entry_t *next = (toc_entry_t *)pack->toc;
+
+  for (u64 i = 0; i < pack->header.toc.count; ++i) {
+    pack->toc_entries[i] = next;
+
+    next = (toc_entry_t *)((u8 *)next + sizeof(toc_entry_t) + next->length);
+  }
 
   pack->assets_offset = ftell(pack->fp);
 
@@ -170,6 +183,10 @@ void close_asset_pack(asset_pack_t **pack) {
     return;
   }
 
+  if ((*pack)->toc_entries) {
+    free((*pack)->toc_entries);
+  }
+
   if ((*pack)->toc) {
     free((*pack)->toc);
   }