From 439bc3acd3309099216e8c997887dae321cd09c9 Mon Sep 17 00:00:00 2001
From: Přemysl Janouch
Date: Fri, 26 Jun 2015 22:20:37 +0200
Subject: Add str_vector_steal()
---
liberty.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/liberty.c b/liberty.c
index 8ea860f..1ae9df4 100644
--- a/liberty.c
+++ b/liberty.c
@@ -401,13 +401,20 @@ str_vector_add_vector (struct str_vector *self, char **vector)
str_vector_add (self, *vector++);
}
-static void
-str_vector_remove (struct str_vector *self, size_t i)
+static char *
+str_vector_steal (struct str_vector *self, size_t i)
{
hard_assert (i < self->len);
- free (self->vector[i]);
+ char *tmp = self->vector[i];
memmove (self->vector + i, self->vector + i + 1,
(self->len-- - i) * sizeof *self->vector);
+ return tmp;
+}
+
+static void
+str_vector_remove (struct str_vector *self, size_t i)
+{
+ free (str_vector_steal (self, i));
}
// --- Dynamically allocated strings -------------------------------------------
--
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