whoops, add this



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3841 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/m_libcprint.c b/coregrind/m_libcprint.c
new file mode 100644
index 0000000..be5701c
--- /dev/null
+++ b/coregrind/m_libcprint.c
@@ -0,0 +1,216 @@
+
+/*--------------------------------------------------------------------*/
+/*--- Libc printing.                                 m_libcprint.c ---*/
+/*--------------------------------------------------------------------*/
+ 
+/*
+   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.
+*/
+
+#include "core.h"
+#include "pub_core_debuglog.h"
+#include "pub_core_libcbase.h"
+#include "pub_core_libcprint.h"
+#include "pub_core_options.h"
+#include "valgrind.h"           // for RUNNING_ON_VALGRIND
+
+#include <time.h>
+#include <sys/time.h>
+
+/* ---------------------------------------------------------------------
+   Writing to file or a socket
+   ------------------------------------------------------------------ */
+
+/* Tell the logging mechanism whether we are logging to a file
+   descriptor or a socket descriptor. */
+Bool VG_(logging_to_socket) = False;
+
+/* Do the low-level send of a message to the logging sink. */
+static void send_bytes_to_logging_sink ( Char* msg, Int nbytes )
+{
+   if (!VG_(logging_to_socket)) {
+      VG_(write)( VG_(clo_log_fd), msg, nbytes );
+   } else {
+      Int rc = VG_(write_socket)( VG_(clo_log_fd), msg, nbytes );
+      if (rc == -1) {
+         // For example, the listener process died.  Switch back to stderr.
+         VG_(logging_to_socket) = False;
+         VG_(clo_log_fd) = 2;
+         VG_(write)( VG_(clo_log_fd), msg, nbytes );
+      }
+   }
+}
+
+/* ---------------------------------------------------------------------
+   printf() and friends
+   ------------------------------------------------------------------ */
+
+typedef struct {
+   char buf[100];
+   int n;
+} printf_buf;
+
+// Adds a single char to the buffer.  When the buffer gets sufficiently
+// full, we write its contents to the logging sink.
+static void add_to_myprintf_buf ( HChar c, void *p )
+{
+   printf_buf *myprintf_buf = (printf_buf *)p;
+   
+   if (myprintf_buf->n >= 100-10 /*paranoia*/ ) {
+      send_bytes_to_logging_sink( myprintf_buf->buf, myprintf_buf->n );
+      myprintf_buf->n = 0;
+   }
+   myprintf_buf->buf[myprintf_buf->n++] = c;
+   myprintf_buf->buf[myprintf_buf->n]   = 0;
+}
+
+UInt VG_(vprintf) ( const HChar *format, va_list vargs )
+{
+   UInt ret = 0;
+   printf_buf myprintf_buf = {"",0};
+
+   if (VG_(clo_log_fd) >= 0) {
+      ret = VG_(debugLog_vprintf) 
+               ( add_to_myprintf_buf, &myprintf_buf, format, vargs );
+
+      // Write out any chars left in the buffer.
+      if (myprintf_buf.n > 0) {
+         send_bytes_to_logging_sink( myprintf_buf.buf, myprintf_buf.n );
+      }
+   }
+   return ret;
+}
+
+UInt VG_(printf) ( const HChar *format, ... )
+{
+   UInt ret;
+   va_list vargs;
+
+   va_start(vargs, format);
+   ret = VG_(vprintf)(format, vargs);
+   va_end(vargs);
+
+   return ret;
+}
+
+/* A general replacement for sprintf(). */
+static void add_to_vg_sprintf_buf ( HChar c, void *p )
+{
+   char **vg_sprintf_ptr = p;
+   *(*vg_sprintf_ptr)++ = c;
+}
+
+UInt VG_(vsprintf) ( Char* buf, const HChar *format, va_list vargs )
+{
+   Int ret;
+   Char *vg_sprintf_ptr = buf;
+
+   ret = VG_(debugLog_vprintf) 
+            ( add_to_vg_sprintf_buf, &vg_sprintf_ptr, format, vargs );
+   add_to_vg_sprintf_buf('\0', &vg_sprintf_ptr);
+
+   vg_assert(VG_(strlen)(buf) == ret);
+
+   return ret;
+}
+
+UInt VG_(sprintf) ( Char* buf, const HChar *format, ... )
+{
+   UInt ret;
+   va_list vargs;
+
+   va_start(vargs,format);
+   ret = VG_(vsprintf)(buf, format, vargs);
+   va_end(vargs);
+
+   return ret;
+}
+
+/* ---------------------------------------------------------------------
+   message()
+   ------------------------------------------------------------------ */
+
+UInt VG_(vmessage) ( VgMsgKind kind, const HChar* format, va_list vargs )
+{
+   UInt  count = 0;
+   Char  c;
+   const Char* pfx_s;
+   static const Char pfx[] = ">>>>>>>>>>>>>>>>";
+
+   switch (kind) {
+      case Vg_UserMsg:       c = '='; break;
+      case Vg_DebugMsg:      c = '-'; break;
+      case Vg_DebugExtraMsg: c = '+'; break;
+      case Vg_ClientMsg:     c = '*'; break;
+      default:               c = '?'; break;
+   }
+
+   // The pfx trick prints one or more '>' characters in front of the
+   // messages when running Valgrind under Valgrind, one per level of
+   // self-hosting.
+   pfx_s = &pfx[sizeof(pfx)-1-RUNNING_ON_VALGRIND],
+
+   // Print the message
+   count = 0;
+
+   if (!VG_(clo_xml))
+      count += VG_(printf) ("%s%c%c", pfx_s, c,c);
+
+   if (VG_(clo_time_stamp)) {
+      struct timeval tv;
+      struct tm tm;
+     
+      if ( gettimeofday( &tv, NULL ) == 0 &&
+           localtime_r( &tv.tv_sec, &tm ) == &tm )
+      {
+         count +=
+            VG_(printf)( "%04d-%02d-%02d %02d:%02d:%02d.%03d ",
+                         tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
+                         tm.tm_hour, tm.tm_min, tm.tm_sec, tv.tv_usec / 1000 );
+      }
+   }
+
+   if (!VG_(clo_xml))
+      count += VG_(printf) ("%d%c%c ", VG_(getpid)(), c,c);
+
+   count += VG_(vprintf)(format, vargs);
+   count += VG_(printf) ("\n");
+   return count;
+}
+
+/* Send a simple single-part message. */
+UInt VG_(message) ( VgMsgKind kind, const HChar* format, ... )
+{
+   UInt count;
+   va_list vargs;
+   va_start(vargs,format);
+   count = VG_(vmessage) ( kind, format, vargs );
+   va_end(vargs);
+   return count;
+}
+
+/*--------------------------------------------------------------------*/
+/*--- end                                                          ---*/
+/*--------------------------------------------------------------------*/
+