Add files via upload

Author: masagrator

source/nn/util/util_gzip.hpp

@@ -0,0 +1,28 @@
+#pragma once
+#include "nn/fs.hpp"
+
+extern "C" {
+    void* nnutilZlib_zcalloc(void* put_nullptr_here, size_t nmemb, size_t size);
+    void nnutilZlib_zcfree(void* put_nullptr_here, void* ptr);
+}
+
+namespace nn::util {
+    const size_t DecompressZlibWorkBufferSize = 7160;
+    const size_t DecompressGzipWorkBufferSize = DecompressZlibWorkBufferSize;
+
+    bool DecompressGzip(void* dst, size_t dstSize, const void* src, size_t srcSize, void* work, size_t workSize);
+    size_t GetGzipDecompressedSize(const void* src, size_t srcSize);
+    static ALWAYS_INLINE size_t GetGzipDecompressedSizeFromFile(nn::fs::FileHandle filehandle) {
+			long in_size = 0;
+			nn::fs::GetFileSize(&in_size, filehandle);
+			uint32_t dec_size = 0;
+			nn::fs::ReadFile(filehandle, in_size-4, &dec_size, 4);
+            return (size_t)dec_size;
+    }
+    static ALWAYS_INLINE void* GzipAllocate(size_t size) {
+        return nnutilZlib_zcalloc(nullptr, 1, size);
+    }
+    static ALWAYS_INLINE void GzipFree(void* ptr) {
+        return nnutilZlib_zcfree(nullptr, ptr);
+    }
+}

source/nn/util/util_snprintf.hpp

@@ -0,0 +1,5 @@
+#pragma once
+
+namespace nn::util {
+    int SNPrintf(char*, ulong, char const*, ...);
+}