more new stuff

dtool/src/dtoolutil/pfstreamBuf.cxx

@@ -0,0 +1,54 @@
+// Filename: pfstreamBuf.cxx
+// Created by:  cary (12Dec00)
+// 
+////////////////////////////////////////////////////////////////////
+
+#include "pfstreamBuf.h"
+
+#ifndef HAVE_STREAMSIZE
+// Some compilers (notably SGI) don't define this for us
+typedef int streamsize;
+#endif /* HAVE_STREAMSIZE */
+
+PipeStreamBuf::PipeStreamBuf(void) {
+#ifndef WIN32_VC
+  // taken from Dr. Ose.
+  // These lines, which are essential on Irix and Linux, seem to be
+  // unnecessary and not understood on Windows.
+  allocate();
+  setp(base(), ebuf());
+#endif /* WIN32_VC */
+}
+
+PipeStreamBuf::~PipeStreamBuf(void) {
+  sync();
+  // any other cleanup needed (pclose, etc)
+}
+
+void PipeStreamBuf::flush(void) {
+  // if there's anything to do here
+}
+
+int PipeStreamBuf::overflow(int c) {
+  streamsize n = pptr() - pbase();
+  if (n != 0) {
+    write_chars(pbase(), n, false);
+    pbump(-n);  // reset pptr()
+  }
+  if (c != EOF) {
+    // write one more character
+    char ch = c;
+    write_chars(&ch, 1, false);
+  }
+  return 0;
+}
+
+int PipeStreamBuf::sync(void) {
+  streamsize n = pptr() - pbase();
+  write_chars(pbase(), n, false);
+  pbump(-n);
+  return 0;
+}
+
+int PipeStreamBuf::underflow(void) {
+}