From 27337f7d40170aab5ecab6789510109a0b77626c Mon Sep 17 00:00:00 2001
From: Liam Morland <lkmorlan@uwaterloo.ca>
Date: Thu, 13 Jun 2019 15:15:11 -0400
Subject: [PATCH] Issue #1866174: Improve comments
---
fillpdf.module | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/fillpdf.module b/fillpdf.module
index e696596..fa0b62d 100644
--- a/fillpdf.module
+++ b/fillpdf.module
@@ -2009,7 +2009,13 @@ function fillpdf_load($fid, $reset = FALSE, $process_replacements = TRUE) {
}
/**
+ * Test whether the pdftk path is valid.
*
+ * @param string $pdftk_path
+ * The path to test.
+ *
+ * @return bool
+ * TRUE if the path is the pdftk binary, FALSE otherwise.
*/
function fillpdf_pdftk_check($pdftk_path = 'pdftk') {
// An empty value means we should leave it to the PATH.
@@ -2019,6 +2025,7 @@ function fillpdf_pdftk_check($pdftk_path = 'pdftk') {
$output = array();
$status = NULL;
exec($pdftk_path, $output, $status);
+ // Check the exit status.
if (in_array($status, array(126, 127))) {
return FALSE;
}
--
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