From 12c9770d6323ec431e9b74b48e2397f21fda0f8f Mon Sep 17 00:00:00 2001
From: Jochen Eisinger <jochen@penguin-breeder.org>
Date: Mon, 23 Oct 2000 15:00:00 +0000
Subject: [PATCH] 2000-10-23  Jochen Eisinger <jochen.eisinger@gmx.net>

	* sanei/sanei_init_debug.c include/sane/sanei_debug.h
	  frontend/saned.c: removed vararg macros
---
 frontend/saned.c         | 36 ++++++++++++---------------
 sanei/sanei_init_debug.c | 53 ++++++++++++++++++++++------------------
 2 files changed, 45 insertions(+), 44 deletions(-)

diff --git a/frontend/saned.c b/frontend/saned.c
index 8b3ebb213..05cbfb03f 100644
--- a/frontend/saned.c
+++ b/frontend/saned.c
@@ -49,6 +49,8 @@
 
 #include <netinet/in.h>
 
+#include <stdarg.h>
+
 #include <sys/param.h>
 #include <sys/socket.h>
 #include <sys/time.h>
@@ -74,27 +76,7 @@
 
 #define SANED_CONFIG_FILE "saned.conf"
 
-/* The cpp that comes with GNU C 2.5 seems to have troubles understanding
-   vararg macros.  */
-#if __GNUC__ - 0 > 2 || (__GNUC__ - 0 == 2 && __GNUC_MINOR__ > 5)
-# define HAVE_VARARG_MACROS
-#endif
 
-#ifdef HAVE_VARARG_MACROS
-# ifdef NDEBUG
-#  define DBG(level, msg, args...)
-# else
-#  define DBG(level, msg, args...)              \
-  do                                            \
-    {                                           \
-      if ((debug) >= (level))                   \
-        syslog (LOG_DEBUG, msg, ##args);        \
-    }                                           \
-  while (0)
-# endif
-#else /* !HAVE_VARARG_MACROS */
-#  define DBG   if (0) sanei_debug
-#endif
 
 typedef struct
   {
@@ -138,6 +120,20 @@ static const char *config_file_names[] =
 /* forward declarations: */
 static void process_request (Wire *w);
 
+#define DBG	saned_debug_call
+
+static void saned_debug_call(int level, const char *fmt, ...)
+{
+#ifndef NDEBUG
+  va_list ap;
+  va_start (ap, fmt);
+  if (debug >= level)
+    vsyslog (LOG_DEBUG, fmt, ap);
+  va_end (ap);
+#endif
+}
+
+
 static void
 reset_watchdog (void)
 {
diff --git a/sanei/sanei_init_debug.c b/sanei/sanei_init_debug.c
index d0aeb822c..144b0dac8 100644
--- a/sanei/sanei_init_debug.c
+++ b/sanei/sanei_init_debug.c
@@ -46,6 +46,7 @@
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
+#include <string.h>
 #include <stdarg.h>
 #include <sys/syslog.h>
 #ifdef HAVE_OS2_H
@@ -64,9 +65,6 @@
 #define BACKEND_NAME sanei_debug
 #include "sane/sanei_debug.h"
 
-static int global_max_level = 0;
-
-
 void
 sanei_init_debug (const char * backend, int * var)
 {
@@ -91,38 +89,45 @@ sanei_init_debug (const char * backend, int * var)
 
   *var = atoi (val);
 
-  if (*var > global_max_level)
-    global_max_level = *var;
-
   DBG (0, "Setting debug level of %s to %d.\n", backend, *var);
 }
 
-static void
-debug_msg (int level, int max_level, const char *fmt, va_list ap)
+void
+sanei_debug_msg
+  (int level, int max_level, const char *be, const char *fmt, va_list ap)
 {
+  char *msg;
+	
   if (max_level >= level)
     {
       if ( 1 == isfdtype(fileno(stderr), S_IFSOCK) )
-        vsyslog(LOG_DEBUG, fmt, ap);
+	{
+	  msg = (char *)malloc (sizeof(char) * (strlen(be) + strlen(fmt) + 4));
+	  if (msg == NULL)
+	    {
+	      syslog (LOG_DEBUG, "[sanei_debug] malloc() failed\n");
+	      vsyslog (LOG_DEBUG, fmt, ap);
+	    }
+	  else
+	    {
+	      sprintf (msg, "[%s] %s", be, fmt);
+              vsyslog(LOG_DEBUG, msg, ap);
+	      free (msg);
+	    }
+	}
       else
-        vfprintf (stderr, fmt, ap);
+	{
+	  fprintf (stderr, "[%s] ", be);
+          vfprintf (stderr, fmt, ap);
+	}
+	 
     }
 }
 
+#ifdef NDEBUG
 void
-sanei_debug (int level, const char *fmt, ...)
+sanei_debug_ndebug (int level, const char *fmt, ...)
 {
-  va_list ap;
-  va_start (ap, fmt);
-  debug_msg (level, global_max_level, fmt, ap);
-  va_end (ap);
-}
-
-void
-sanei_debug_max (int level, int max_level, const char *fmt, ...)
-{
-  va_list ap;
-  va_start (ap, fmt);
-  debug_msg (level, max_level, fmt, ap);
-  va_end (ap);
+  /* this function is never called */
 }
+#endif