From 5df79c53745fde5d6c3340a2979b1429cd5892c1 Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Sat, 8 Oct 2011 20:30:28 +0200
Subject: Initial import of htcd system 1.0

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
---
 src/mt/mstream.cc | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 src/mt/mstream.cc

(limited to 'src/mt/mstream.cc')

diff --git a/src/mt/mstream.cc b/src/mt/mstream.cc
new file mode 100644
index 0000000..3d94936
--- /dev/null
+++ b/src/mt/mstream.cc
@@ -0,0 +1,72 @@
+/*************************************************************************
+ *
+ * HTCd - Copyright (C) 1998-2006 Henrik Rydberg
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <mt/mstream.h>
+#include <poll.h>
+#include <signal.h>
+
+const char cvt_form_f[]="%#.12f";
+const int MSEC=4000;
+
+sref ftoa(sref_t& buf,double f)
+{
+  char* e=buf+sprintf(buf,cvt_form_f,f)-1;
+  while(*e=='0') e--; if(*e=='.') e--;
+  return sref(buf,e-buf+1);
+}
+
+///////////////////////////////////////////////////////////
+
+int mstream::appc(char c) { return -1; }
+int mstream::appi(int i) { return -1; }
+int mstream::appf(double f) { return -1; }
+int mstream::apps(const sref& s) { return -1; }
+
+///////////////////////////////////////////////////////////
+
+int cvt_stream::appi(int i) { sref_t buf; return apps(itoa(buf,i)); }
+int cvt_stream::appf(double f) { sref_t buf; return apps(ftoa(buf,f)); }
+
+///////////////////////////////////////////////////////////
+
+int fp_stream::appc(char c) { return putc(c,fp)<0?-1:1; }
+int fp_stream::apps(const sref& s) { return fwrite(s.data(),s.size(),1,fp); }
+
+///////////////////////////////////////////////////////////
+
+int fd_stream::appc(char c) { return ::write(fd,&c,1); }
+int fd_stream::apps(const sref& s) { return ::write(fd,s.data(),s.size()); }
+
+///////////////////////////////////////////////////////////
+
+int pipe_stream::appc(char c) { return mwrite(&c,1); }
+int pipe_stream::apps(const sref& s) { return mwrite(s.data(),s.size()); }
+
+int pipe_stream::mwrite(const char* s,int n)
+{
+  int old=n;
+  while(n>0&&!hup) {
+    pollfd pfd={fd,POLLOUT,0};
+    if(::poll(&pfd,1,MSEC)<0) return hup=-1;
+    int m=::write(fd,s,n);
+    if(m<0) return hup=-1;
+    s+=m; n-=m;
+  }
+  return hup?-1:old;
+}
-- 
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