show maximagesize warning in a human readable format

include/Photo.php

@@ -1013,3 +1013,15 @@ function store_photo($a, $uid, $imagedata = "", $url = "") {
 
 	return($image);
 }
+
+function formatBytes($bytes, $precision = 2) { 
+	 $units = array('B', 'KB', 'MB', 'GB', 'TB'); 
+
+	$bytes = max($bytes, 0); 
+	$pow = floor(($bytes ? log($bytes) : 0) / log(1024)); 
+	$pow = min($pow, count($units) - 1); 
+
+	$bytes /= pow(1024, $pow);
+
+	return round($bytes, $precision) . ' ' . $units[$pow]; 
+} 

mod/photos.php

@@ -785,7 +785,7 @@ function photos_post(&$a) {
 	$maximagesize = get_config('system','maximagesize');
 
 	if(($maximagesize) && ($filesize > $maximagesize)) {
-		notice( t('Image exceeds size limit of ') . $maximagesize . EOL);
+		notice( sprintf(t('Image exceeds size limit of %s'), formatBytes($maximagesize)) . EOL);
 		@unlink($src);
 		$foo = 0;
 		call_hooks('photo_post_end',$foo);

mod/profile_photo.php

@@ -141,7 +141,7 @@ function profile_photo_post(&$a) {
 	$maximagesize = get_config('system','maximagesize');
 
 	if(($maximagesize) && ($filesize > $maximagesize)) {
-		notice( sprintf(t('Image exceeds size limit of %d'), $maximagesize) . EOL);
+		notice( sprintf(t('Image exceeds size limit of %s'), formatBytes($maximagesize)) . EOL);
 		@unlink($src);
 		return;
 	}

mod/wall_attach.php

@@ -78,9 +78,9 @@ function wall_attach_post(&$a) {
 	}
 
 	if(($maxfilesize) && ($filesize > $maxfilesize)) {
-		notice( sprintf(t('File exceeds size limit of %d'), $maxfilesize) . EOL);
+		echo sprintf(t('File exceeds size limit of %s'), formatBytes($maxfilesize)) . EOL;
 		@unlink($src);
-		return;
+		killme();
 	}
 
 	$r = q("select sum(octet_length(data)) as total from attach where uid = %d ",

mod/wall_upload.php

@@ -119,7 +119,7 @@ function wall_upload_post(&$a, $desktopmode = true) {
 	$maximagesize = get_config('system','maximagesize');
 
 	if(($maximagesize) && ($filesize > $maximagesize)) {
-		echo  sprintf( t('Image exceeds size limit of %d'), $maximagesize) . EOL;
+		echo  sprintf( t('Image exceeds size limit of %s'), formatBytes($maximagesize)) . EOL;
 		@unlink($src);
 		killme();
 	}