Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 221 insertions, 0 deletions

diff --git a/libkdenetwork/libgpgme-copy/gpgme/debug.c b/libkdenetwork/libgpgme-copy/gpgme/debug.c
new file mode 100644
index 000000000..870976c9a
--- /dev/null
+++ b/libkdenetwork/libgpgme-copy/gpgme/debug.c
@@ -0,0 +1,221 @@
+/* debug.c - helpful output in desperate situations
+   Copyright (C) 2000 Werner Koch (dd9jn)
+   Copyright (C) 2001, 2002, 2003, 2004, 2005 g10 Code GmbH
+ 
+   This file is part of GPGME.
+
+   GPGME is free software; you can redistribute it and/or modify it
+   under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of
+   the License, or (at your option) any later version.
+   
+   GPGME 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
+   Lesser General Public License for more details.
+   
+   You should have received a copy of the GNU Lesser 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.  */
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <ctype.h>
+#ifndef HAVE_DOSISH_SYSTEM
+  #include <sys/types.h>
+  #include <sys/stat.h>
+  #include <fcntl.h>
+#endif
+#include <assert.h>
+
+#include "util.h"
+#include "sema.h"
+
+
+/* Lock to serialize initialization of the debug output subsystem and
+   output of actual debug messages.  */
+DEFINE_STATIC_LOCK (debug_lock);
+
+/* The amount of detail requested by the user, per environment
+   variable GPGME_DEBUG.  */
+static int debug_level;
+
+/* The output stream for the debug messages.  */
+static FILE *errfp;
+
+
+/* Remove leading and trailing white spaces.  */
+static char *
+trim_spaces (char *str)
+{
+  char *string, *p, *mark;
+
+  string = str;
+  /* Find first non space character.  */
+  for (p = string; *p && isspace (*(unsigned char *) p); p++)
+    ;
+  /* Move characters.  */
+  for (mark = NULL; (*string = *p); string++, p++)
+    if (isspace (*(unsigned char *) p))
+      {
+	if (!mark)
+	  mark = string;
+      }
+    else
+      mark = NULL;
+  if (mark)
+    *mark = '\0';	/* Remove trailing spaces.  */
+
+  return str;
+}
+
+
+static void
+debug_init (void)
+{
+  static int initialized;
+
+  LOCK (debug_lock);
+  if (!initialized)
+    {
+      gpgme_error_t err;
+      char *e;
+      const char *s1, *s2;;
+
+      err = _gpgme_getenv ("GPGME_DEBUG", &e);
+      if (err)
+	{
+	  UNLOCK (debug_lock);
+	  return;
+	}
+
+      initialized = 1;
+      errfp = stderr;
+      if (e)
+	{
+	  debug_level = atoi (e);
+	  s1 = strchr (e, PATHSEP_C);
+	  if (s1)
+	    {
+#ifndef HAVE_DOSISH_SYSTEM
+	      if (getuid () == geteuid ())
+		{
+#endif
+		  char *p;
+		  FILE *fp;
+
+		  s1++;
+		  if (!(s2 = strchr (s1, PATHSEP_C)))
+		    s2 = s1 + strlen (s1);
+		  p = malloc (s2 - s1 + 1);
+		  if (p)
+		    {
+		      memcpy (p, s1, s2 - s1);
+		      p[s2-s1] = 0;
+		      trim_spaces (p);
+		      fp = fopen (p,"a");
+		      if (fp)
+			{
+			  setvbuf (fp, NULL, _IOLBF, 0);
+			  errfp = fp;
+			}
+		      free (p);
+		    }
+#ifndef HAVE_DOSISH_SYSTEM
+		}
+#endif
+	    }
+	  free (e);
+        }
+
+      if (debug_level > 0)
+	fprintf (errfp, "gpgme_debug: level=%d\n", debug_level);
+    }
+  UNLOCK (debug_lock);
+}
+
+
+/* Log the formatted string FORMAT at debug level LEVEL or higher.  */
+void
+_gpgme_debug (int level, const char *format, ...)
+{
+  va_list arg_ptr;
+
+  debug_init ();
+  if (debug_level < level)
+    return;
+    
+  va_start (arg_ptr, format);
+  LOCK (debug_lock);
+  vfprintf (errfp, format, arg_ptr);
+  va_end (arg_ptr);
+  if(format && *format && format[strlen (format) - 1] != '\n')
+    putc ('\n', errfp);
+  UNLOCK (debug_lock);
+  fflush (errfp);
+}
+
+
+/* Start a new debug line in *LINE, logged at level LEVEL or higher,
+   and starting with the formatted string FORMAT.  */
+void
+_gpgme_debug_begin (void **line, int level, const char *format, ...)
+{
+  va_list arg_ptr;
+
+  debug_init ();
+  if (debug_level < level)
+    {
+      /* Disable logging of this line.  */
+      *line = NULL;
+      return;
+    }
+
+  va_start (arg_ptr, format);
+  vasprintf ((char **) line, format, arg_ptr);
+  va_end (arg_ptr);
+}
+
+
+/* Add the formatted string FORMAT to the debug line *LINE.  */
+void
+_gpgme_debug_add (void **line, const char *format, ...)
+{
+  va_list arg_ptr;
+  char *toadd;
+  char *result;
+
+  if (!*line)
+    return;
+
+  va_start (arg_ptr, format);
+  vasprintf (&toadd, format, arg_ptr);
+  va_end (arg_ptr);
+  asprintf (&result, "%s%s", *(char **) line, toadd);
+  free (*line);
+  free (toadd);
+  *line = result;
+}
+
+
+/* Finish construction of *LINE and send it to the debug output
+   stream.  */
+void
+_gpgme_debug_end (void **line)
+{
+  if (!*line)
+    return;
+
+  /* The smallest possible level is 1, so force logging here by
+     using that.  */
+  _gpgme_debug (1, "%s", *line);
+  free (*line);
+  *line = NULL;
+}