Fix: add missing null-terminator in getline implementation

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

2 files changed, 11 insertions, 0 deletions

diff --git a/lib/compat/getline.c b/lib/compat/getline.c
index f330c6d..e63c50e 100644
--- a/lib/compat/getline.c
+++ b/lib/compat/getline.c
@@ -43,6 +43,16 @@ ssize_t getline(char **line, size_t *n, FILE *fp)
 		buffer[len++] = c;
 	} while (c != '\n');
 
+	if (len == cap) {
+		new = realloc(buffer, cap ? cap * 2 : 32);
+		if (new == NULL)
+			return -1;
+
+		buffer = new;
+	}
+
+	buffer[len] = '\0';
+
 	*line = buffer;
 	*n = len;
 	return len;
diff --git a/tests/fstree_from_file.c b/tests/fstree_from_file.c
index 4df0a4e..a0b6b2d 100644
--- a/tests/fstree_from_file.c
+++ b/tests/fstree_from_file.c
@@ -90,6 +90,7 @@ int main(void)
 	assert(n->uid == 2);
 	assert(n->gid == 3);
 	assert(strcmp(n->name, "slink") == 0);
+	fprintf(stderr, "'%s'\n", n->data.slink_target);
 	assert(strcmp(n->data.slink_target, "slinktarget") == 0);
 
 	n = n->next;