crash reporter: improve the output and behaviour

* Refactor crash report link into a function so it could be called
  from any page if desired.

* Do not show a crash report when there is none.

src/www/crash_reporter.php

@@ -126,6 +126,8 @@ $php_errors = @file_get_contents('/tmp/PHP_errors.log');
 		fclose(fopen("/tmp/PHP_errors.log", 'w'));
 		header("Location: /");
 		exit;
+	} elseif (get_crash_report(true) == '') {
+		echo '<p><strong>' . gettext('Luckily we have not detected a programming bug.') . '</strong></p>';
 	} else {
 		$crash_files = glob("/var/crash/*");
 		$crash_reports = $crash_report_header;

src/www/guiconfig.inc

@@ -1102,3 +1102,33 @@ if (!$timezone) {
 }
 
 date_default_timezone_set($timezone);
+
+function get_crash_report($pedantic = false)
+{
+	global $g;
+
+	$savemsg = "{$g['product_name']} has detected a crash report or programming bug. Click <a href='crash_reporter.php'>here</a> for more information.";
+	$skip_files = array('.', '..', 'minfree', '');
+	$count = 0;
+
+	if (file_exists('/tmp/PHP_errors.log')) {
+		/* only notify about crash report when there's an error */
+		$total = `/usr/bin/grep -v 'PHP Warning:' /tmp/PHP_errors.log | /usr/bin/wc -l | /usr/bin/awk '{ print $1 }'`;
+		if ($total > 0 || $pedantic) {
+			$count++;
+		}
+	}
+
+	$crashes = glob('/var/crash/*');
+	foreach ($crashes as $crash) {
+		if (!in_array(basename($crash), $skip_files)) {
+			$count++;
+		}
+	}
+
+	if (!$count) {
+		$savemsg = '';
+	}
+
+	return $savemsg;
+}

src/www/index.php

@@ -50,34 +50,6 @@ if ($_REQUEST['act'] == 'alias_info_popup' && !preg_match("/\D/",$_REQUEST['alia
 	exit;
 }
 
-/* CRASH REPORT BEGIN */
-
-$x = 0;
-
-if (file_exists('/tmp/PHP_errors.log')) {
-	/* don't notify about crash report when there's only errors */
-	$total = `/usr/bin/grep -v 'PHP Warning:' /tmp/PHP_errors.log | /usr/bin/wc -l | /usr/bin/awk '{ print $1 }'`;
-	if($total > 0) {
-		$x++;
-	}
-}
-
-$crash = glob('/var/crash/*');
-if (is_array($crash)) {
-	$skip_files = array('.', '..', 'minfree', '');
-	foreach($crash as $c) {
-		if (!in_array(basename($c), $skip_files)) {
-			$x++;
-		}
-	}
-}
-
-if($x > 0) {
-	$savemsg = "{$g['product_name']} has detected a crash report or programming bug.  Click <a href='crash_reporter.php'>here</a> for more information.";
-}
-
-/* CRASH REPORT END */
-
 ##build list of widgets
 $directory = "/usr/local/www/widgets/widgets/";
 $dirhandle  = opendir($directory);
@@ -443,15 +415,11 @@ echo $jscriptstr;
         <div class="row">
 
 				<?php
-				if ($savemsg)
-					print_info_box($savemsg);
+					$crash_report = get_crash_report();
+					if ($crash_report != '') {
+						print_info_box($crash_report);
+					}
 
-
-				?>
-
-
-
-				<?php
 					$totalwidgets = count($widgetfiles);
 					$halftotal = $totalwidgets / 2 - 2;
 					$widgetcounter = 0;