Modularise printing functions in m_libcprint.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3840 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/include/pub_tool_libcprint.h b/include/pub_tool_libcprint.h
new file mode 100644
index 0000000..8e44d23
--- /dev/null
+++ b/include/pub_tool_libcprint.h
@@ -0,0 +1,71 @@
+
+/*--------------------------------------------------------------------*/
+/*--- Printing libc stuff.                    pub_tool_libcprint.h ---*/
+/*--------------------------------------------------------------------*/
+
+/*
+   This file is part of Valgrind, a dynamic binary instrumentation
+   framework.
+
+   Copyright (C) 2000-2005 Julian Seward
+      jseward@acm.org
+
+   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., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307, USA.
+
+   The GNU General Public License is contained in the file COPYING.
+*/
+
+#ifndef __PUB_TOOL_LIBCPRINT_H
+#define __PUB_TOOL_LIBCPRINT_H
+
+/* ---------------------------------------------------------------------
+   Basic printing
+   ------------------------------------------------------------------ */
+
+/* Note that they all output to the file descriptor given by the
+ * --log-fd/--log-file/--log-socket argument, which defaults to 2 (stderr).
+ * Hence no need for VG_(fprintf)().
+ */
+extern UInt VG_(printf)  ( const HChar *format, ... );
+extern UInt VG_(vprintf) ( const HChar *format, va_list vargs );
+/* too noisy ...  __attribute__ ((format (printf, 1, 2))) ; */
+extern UInt VG_(sprintf) ( Char* buf, const HChar* format, ... );
+extern UInt VG_(vsprintf)( Char* buf, const HChar* format, va_list vargs );
+
+/* ---------------------------------------------------------------------
+   Messages for the user
+   ------------------------------------------------------------------ */
+
+/* Print a message prefixed by "??<pid>?? "; '?' depends on the VgMsgKind.
+   Should be used for all user output. */
+
+typedef
+   enum { Vg_UserMsg,         /* '?' == '=' */
+          Vg_DebugMsg,        /* '?' == '-' */
+          Vg_DebugExtraMsg,   /* '?' == '+' */
+          Vg_ClientMsg        /* '?' == '*' */
+   }
+   VgMsgKind;
+
+/* Send a single-part message.  Appends a newline. */
+extern UInt VG_(message)    ( VgMsgKind kind, const HChar* format, ... );
+extern UInt VG_(vmessage)   ( VgMsgKind kind, const HChar* format, va_list vargs );
+
+#endif   // __PUB_TOOL_LIBCPRINT_H
+
+/*--------------------------------------------------------------------*/
+/*--- end                                                          ---*/
+/*--------------------------------------------------------------------*/