lib: add vector_remove() to vector.[ch]

An optimized version of this has already been implemented within graph.c
that assumes some specialized constraints for that code. It's generally
useful so this change implements a general purpose version of it.

This fixes cmd_make_strvec() that was broken by some code shuffling in
previous commits.

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/lib/vector.c b/lib/vector.c
index ebac2b46e..696e260cd 100644
--- a/lib/vector.c
+++ b/lib/vector.c
@@ -153,6 +153,17 @@ void vector_unset(vector v, unsigned int i)
 	}
 }
 
+void vector_remove(vector v, unsigned int ix)
+{
+	if (ix >= v->active)
+		return;
+
+	int n = (--v->active) - ix;
+
+	memmove(&v->index[ix], &v->index[ix + 1], n * sizeof(void *));
+	v->index[v->active] = NULL;
+}
+
 void vector_unset_value(vector v, void *val)
 {
 	size_t i;