Mesa (master): gallium/auxiliary: add util_dynarray_resize

[Luca Barbieri]

Module: Mesa
Branch: master
Commit: 6c31dd119878378540b6bdbb2f47bc5ab6cc516f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6c31dd119878378540b6bdbb2f47bc5ab6cc516f

Author: Luca Barbieri <luca at luca-barbieri.com>
Date:   Tue Apr 13 08:23:29 2010 +0200

gallium/auxiliary: add util_dynarray_resize

---

 src/gallium/auxiliary/util/u_dynarray.h |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_dynarray.h b/src/gallium/auxiliary/util/u_dynarray.h
index 5d12483..d16d8bf 100644
--- a/src/gallium/auxiliary/util/u_dynarray.h
+++ b/src/gallium/auxiliary/util/u_dynarray.h
@@ -59,10 +59,10 @@ util_dynarray_fini(struct util_dynarray *buf)
    }
 }
 
+/* use util_dynarray_trim to reduce the allocated storage */
 static INLINE void *
-util_dynarray_grow(struct util_dynarray *buf, int size)
+util_dynarray_resize(struct util_dynarray *buf, unsigned newsize)
 {
-   unsigned newsize = buf->size + size;
    char *p;
    if(newsize > buf->capacity)
    {
@@ -78,6 +78,12 @@ util_dynarray_grow(struct util_dynarray *buf, int size)
    return p;
 }
 
+static INLINE void *
+util_dynarray_grow(struct util_dynarray *buf, int diff)
+{
+   return util_dynarray_resize(buf, buf->size + diff);
+}
+
 static INLINE void
 util_dynarray_trim(struct util_dynarray *buf)
 {