add constraint.

[meshio/meshio.git] / src / binary.cpp

diff --git a/src/binary.cpp b/src/binary.cpp
index 7e6ec6c..229a98e 100644 (file)
--- a/src/binary.cpp
+++ b/src/binary.cpp
@@ -72,21 +72,73 @@ bool MemoryReader::isEnd()const
 }
 
 ///////////////////////////////////////////////////////////////////////////////
-void readAll(const char *path, std::vector<char> &buf)
+// readALL
+///////////////////////////////////////////////////////////////////////////////
+static void readALL_(FILE *fp, std::vector<char> &buf)
 {
-       std::ifstream io(path, std::ios::binary);
-       if(!io){
+       int iRet = fseek(fp, 0L, SEEK_END);
+       if(iRet!=0){
+               return;
+       }
+
+       fpos_t pos;
+       iRet = fgetpos(fp, &pos);
+       if(iRet != 0){
                return;
        }
-       io.seekg(0, std::fstream::end);
-       unsigned int eofPos = io.tellg();
-       io.clear();
-       io.seekg(0, std::fstream::beg);
-       unsigned int begPos = io.tellg();
-       unsigned int size = eofPos - begPos;
-       buf.resize(size);
-       io.read(&buf[0], buf.size());
+
+       iRet = fseek(fp, 0L, SEEK_SET);
+       if(iRet != 0){
+               return;
+       }
+
+       buf.resize((long)pos);
+       fread(&buf[0], (long)pos, 1, fp);
 }
 
+void readAll(const char *path, std::vector<char> &buf)
+{
+       FILE* fp = fopen(path, "rb");
+       if(fp){
+               readALL_(fp, buf);
+               fclose(fp);
+       }
+}
+
+#ifdef _WIN32
+void readAll(const wchar_t *path, std::vector<char> &buf)
+{
+       FILE* fp = _wfopen(path, L"rb");
+       if(fp){
+               readALL_(fp, buf);
+               fclose(fp);
+       }
+}
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+// FileWriter
+///////////////////////////////////////////////////////////////////////////////
+FileWriter::FileWriter(const char *path)
+{
+       io_=fopen(path, "wb");
+}
+
+FileWriter::FileWriter(const wchar_t *path)
+{
+    io_=_wfopen(path, L"wb");
+}
+
+FileWriter::~FileWriter()
+{
+       fclose(io_);
+}
+
+void FileWriter::write(const char *buf, unsigned int size)
+{
+       fwrite(buf, size, 1, io_);
+}
+
+
 } // namespace binary
 } // namespace meshio