swid: fgets(3) returns a pointer to the read string or NULL

diff --git a/src/libpts/swid/swid_inventory.c b/src/libpts/swid/swid_inventory.c
index e050e61298cdbe8047db1bf42eb0a2af6ff26008..a9f081efa501d82f1fbe260ebd8f140fac242508 100644 (file)
--- a/src/libpts/swid/swid_inventory.c
+++ b/src/libpts/swid/swid_inventory.c
@@ -71,7 +71,7 @@ static status_t read_swid_tags(private_swid_inventory_t *this, FILE *file)
                writer = bio_writer_create(512);
                do
                {
-                       if (fgets(line, sizeof(line), file) <= 0)
+                       if (!fgets(line, sizeof(line), file))
                        {
                                more_tags = FALSE;
                                end_of_tag = TRUE;
@@ -126,7 +126,7 @@ static status_t read_swid_tag_ids(private_swid_inventory_t *this, FILE *file)
                char *separator;
                size_t len;
 
-               if (fgets(line, sizeof(line), file) <= 0)
+               if (!fgets(line, sizeof(line), file))
                {
                        return SUCCESS;
                }
@@ -201,7 +201,7 @@ static status_t generate_tags(private_swid_inventory_t *this, char *generator,
        {
                swid_tag_id_t *tag_id;
                enumerator_t *enumerator;
-               
+
                enumerator = targets->create_enumerator(targets);
                while (enumerator->enumerate(enumerator, &tag_id))
                {