move the logging initialisation out to be call by frontends

This allows each frontend to pass a distinct callback to configure the
output file stream appropriately for their use.

amiga/gui.c

@@ -929,6 +929,11 @@ int main(int argc, char** argv)
 	amiga_plugin_hack_init();
 	amiga_datatypes_init();
 
+	/* initialise logging. Not fatal if it fails but not much we
+	 * can do about it either.
+	 */
+	nslog_init(NULL, &argc, argv);
+
 	netsurf_init(&argc, &argv, current_user_options, messages);
 
 	amiga_icon_init();

atari/gui.c

@@ -1037,6 +1037,7 @@ int main(int argc, char** argv)
 	nsurl *url;
 	nserror error;
 
+    /* @todo logging file descriptor update belongs in a nslog_init callback */
     setbuf(stderr, NULL);
     setbuf(stdout, NULL);
 #ifdef WITH_DBG_LOGFILE
@@ -1053,6 +1054,11 @@ int main(int argc, char** argv)
     atari_find_resource((char*)&messages, "messages", "res/messages");
     atari_find_resource((char*)&options, "Choices", "Choices");
 
+    /* initialise logging - not fatal if it fails but not much we can
+     * do about it
+     */
+    nslog_init(NULL, &argc, argv);
+
     LOG(("Initialising core..."));
     netsurf_init(&argc, &argv, options, messages);
 

beos/gui.cpp

@@ -398,11 +398,20 @@ static void gui_init2(int argc, char** argv)
 	}
 }
 
+/**
+ * Ensures output logging stream is correctly configured
+ */
+static bool nslog_stream_configure(FILE *fptr)
+{
+        /* set log stream to be non-buffering */
+	setbuf(fptr, NULL);
+
+	return true;
+}
+
 /** Normal entry point from OS */
 int main(int argc, char** argv)
 {
-	setbuf(stderr, NULL);
-
 	BPath options;
 	if (find_directory(B_USER_SETTINGS_DIRECTORY, &options, true) == B_OK) {
 		options.Append("x-vnd.NetSurf");
@@ -416,11 +425,16 @@ int main(int argc, char** argv)
 
 	const char* messages = "/boot/apps/netsurf/res/en/Messages";
 
+	/* initialise logging. Not fatal if it fails but not much we
+	 * can do about it either.
+	 */
+	nslog_init(nslog_stream_configure, &argc, argv);
+
 	/* initialise netsurf */
 	netsurf_init(&argc, &argv, options.Path(), messages);
 
-    gui_init(argc, argv);
-    gui_init2(argc, argv);
+        gui_init(argc, argv);
+        gui_init2(argc, argv);
 
 	netsurf_main_loop();
 
@@ -432,8 +446,6 @@ int main(int argc, char** argv)
 /** called when replicated from NSBaseView::Instantiate() */
 int gui_init_replicant(int argc, char** argv)
 {
-	setbuf(stderr, NULL);
-
 	BPath options;
 	if (find_directory(B_USER_SETTINGS_DIRECTORY, &options, true) == B_OK) {
 		options.Append("x-vnd.NetSurf");
@@ -441,6 +453,11 @@ int gui_init_replicant(int argc, char** argv)
 
 	const char* messages = "/boot/apps/netsurf/res/en/Messages";
 
+	/* initialise logging. Not fatal if it fails but not much we
+	 * can do about it either.
+	 */
+	nslog_init(nslog_stream_configure, &argc, argv);
+
 	/* initialise netsurf */
 	netsurf_init(&argc, &argv, options.Path(), messages);
 

cocoa/NetsurfApp.m

@@ -182,6 +182,11 @@ int main( int argc, char **argv )
 	const char * const messages = [[[NSBundle mainBundle] pathForResource: @"Messages" ofType: @""] UTF8String];
 	const char * const options = cocoa_get_options_file();
 
+	/* initialise logging. Not fatal if it fails but not much we
+	 * can do about it either.
+	 */
+	nslog_init(NULL, &argc, argv);
+
 	netsurf_init(&argc, &argv, options, messages);
 
 	/* Initialise filename allocator */

desktop/gui.h

@@ -64,10 +64,6 @@ struct form_control;
 #include "desktop/search.h"
 #include "utils/errors.h"
 
-/** \todo remove these when each frontend calls nslog_init */
-#include <stdio.h>
-bool nslog_ensure(FILE *fptr);
-
 void gui_poll(bool active);
 void gui_quit(void);
 

desktop/netsurf.c

@@ -143,15 +143,6 @@ nserror netsurf_init(int *pargc,
 	signal(SIGPIPE, SIG_IGN);
 #endif
 
-#ifndef HAVE_STDOUT
-	ret = nslog_init(nslog_ensure, pargc, *pargv);
-#else
-	ret = nslog_init(NULL, pargc, *pargv);
-#endif
-
-	if (ret != NSERROR_OK) 
-		return ret;
-
 	LOG(("version '%s'", netsurf_version));
 	if (uname(&utsname) < 0)
 		LOG(("Failed to extract machine information"));

framebuffer/gui.c

@@ -516,6 +516,17 @@ gui_init(int argc, char** argv)
 	urldb_load_cookies(nsoption_charp(cookie_file));
 }
 
+/**
+ * Ensures output logging stream is correctly configured
+ */
+static bool nslog_stream_configure(FILE *fptr)
+{
+        /* set log stream to be non-buffering */
+	setbuf(fptr, NULL);
+
+	return true;
+}
+
 /** Entry point from OS.
  *
  * /param argc The number of arguments in the string vector.
@@ -531,13 +542,16 @@ main(int argc, char** argv)
 	nsurl *url;
 	nserror error;
 
-	setbuf(stderr, NULL);
-
 	respaths = fb_init_resource(NETSURF_FB_RESPATH":"NETSURF_FB_FONTPATH);
 
 	options = filepath_find(respaths, "Choices");
 	messages = filepath_find(respaths, "messages");
 
+	/* initialise logging. Not fatal if it fails but not much we
+	 * can do about it either.
+	 */
+	nslog_init(nslog_stream_configure, &argc, argv);
+
 	netsurf_init(&argc, &argv, options, messages);
 
 	free(messages);

gtk/gui.c

@@ -514,6 +514,17 @@ static void nsgtk_check_homedir(void)
 	}
 }
 
+/**
+ * Ensures output logging stream is correctly configured
+ */
+static bool nslog_stream_configure(FILE *fptr)
+{
+        /* set log stream to be non-buffering */
+	setbuf(fptr, NULL);
+
+	return true;
+}
+
 /**
  * Main entry point from OS.
  */
@@ -529,12 +540,14 @@ int main(int argc, char** argv)
 
 	gtk_init(&argc, &argv);
 	
-        /* set standard error to be non-buffering */
-	setbuf(stderr, NULL);
-
 	options = filepath_find(respaths, "Choices");
 	messages = filepath_find(respaths, "Messages");
 
+	/* initialise logging. Not fatal if it fails but not much we
+	 * can do about it either.
+	 */
+	nslog_init(nslog_stream_configure, &argc, argv);
+
 	netsurf_init(&argc, &argv, options, messages);
 
 	free(messages);

monkey/main.c

@@ -97,6 +97,17 @@ void gui_options_init_defaults(void)
   /* Set defaults for absent option strings */
 }
 
+/**
+ * Ensures output logging stream is correctly configured
+ */
+static bool nslog_stream_configure(FILE *fptr)
+{
+  /* set log stream to be non-buffering */
+  setbuf(fptr, NULL);
+
+  return true;
+}
+
 int
 main(int argc, char **argv)
 {
@@ -115,6 +126,11 @@ main(int argc, char **argv)
   options = filepath_find(respaths, "Choices");
   messages = filepath_find(respaths, "Messages");
 
+  /* initialise logging. Not fatal if it fails but not much we can do
+   * about it either.
+   */
+  nslog_init(nslog_stream_configure, &argc, argv);
+
   netsurf_init(&argc, &argv, options, messages);
   
   free(messages);

riscos/gui.c

@@ -799,6 +799,17 @@ static void gui_init2(int argc, char** argv)
 	free(url);
 }
 
+/** 
+ * Ensures output logging stream is correctly configured
+ */
+static bool nslog_stream_configure(FILE *fptr)
+{
+        /* set log stream to be non-buffering */
+	setbuf(fptr, NULL);
+
+	return true;
+}
+
 /** Normal entry point from OS */
 int main(int argc, char** argv)
 {
@@ -809,8 +820,6 @@ int main(int argc, char** argv)
 	int used = -1;  /* slightly better with older OSLib versions */
 	os_error *error;
 
-	setbuf(stderr, NULL);
-
 	/* Consult NetSurf$Logging environment variable to decide if logging
 	 * is required. */
 	error = xos_read_var_val_size("NetSurf$Logging", 0, os_VARTYPE_STRING,
@@ -828,6 +837,11 @@ int main(int argc, char** argv)
 		}
 	}
 
+	/* initialise logging. Not fatal if it fails but not much we
+	 * can do about it either.
+	 */
+	nslog_init(nslog_stream_configure, &argc, argv);
+
 	/* Pass a NULL pointer for Messages path, because until the Choices
 	 * are loaded in netsurf_init, we don't know the Messages path. */
 	netsurf_init(&argc, &argv, "NetSurf:Choices", NULL);

utils/log.c

@@ -43,15 +43,17 @@ nserror nslog_init(nslog_ensure_t *ensure, int *pargc, char **argv)
 
 		/* ensure we actually show logging */
 		verbose_log = true;
-		
-		/* ensure stderr is available */
-		if (ensure != NULL) {
-			if (ensure(stderr) == false) {
-				/* failed to ensure output */
-				ret = NSERROR_INIT_FAILED;
-			}
-		}
 	}
+
+	/* ensure output file handle is correctly configured */
+	if ((verbose_log == true) &&
+	    (ensure != NULL) &&
+	    (ensure(stderr) == false)) {
+		/* failed to ensure output configuration */
+		ret = NSERROR_INIT_FAILED;
+		verbose_log = false;
+	}
+
 	return ret;
 }
 

windows/main.c

@@ -66,9 +66,9 @@ void gui_quit(void)
 }
 
 /** 
- * Ensures output stdio stream is available
+ * Ensures output logging stream is available
  */
-bool nslog_ensure(FILE *fptr)
+static bool nslog_ensure(FILE *fptr)
 {
 	/* mwindows compile flag normally invalidates standard io unless
 	 *  already redirected 
@@ -136,8 +136,17 @@ WinMain(HINSTANCE hInstance, HINSTANCE hLastInstance, LPSTR lpcli, int ncmd)
 
 	options_file_location = filepath_find(respaths, "preferences");
 
+	/* initialise logging - not fatal if it fails but not much we
+	 * can do about it 
+	 */
+	nslog_init(nslog_ensure, &argc, argv);
+
 	/* initialise netsurf */
-	netsurf_init(&argc, &argv, options_file_location, messages);
+	ret = netsurf_init(&argc, &argv, options_file_location, messages);
+	if (ret != NSERROR_OK) {
+		free(options_file_location);
+		return 1;
+	}
 
 	free(messages);