From dd7a6d98620a2aca6914ae4430182f49cd5c571b Mon Sep 17 00:00:00 2001
From: Kelvin Sherlock <ksherlock@gmail.com>
Date: Fri, 15 Feb 2013 19:26:59 -0500
Subject: [PATCH] mplite_resize (in-place realloc)

---
 mplite/mplite.c | 21 +++++++++++++++++++++
 mplite/mplite.h |  5 +++++
 2 files changed, 26 insertions(+)

diff --git a/mplite/mplite.c b/mplite/mplite.c
index 7e21524..cc6b371 100644
--- a/mplite/mplite.c
+++ b/mplite/mplite.c
@@ -168,6 +168,27 @@ MPLITE_API void *mplite_realloc(mplite_t *handle, const void *pPrior,
     return p;
 }
 
+// like realloc but will not resize.
+// for compatibility with MM::SetPtrSize
+MPLITE_API int mplite_resize(mplite_t *handle, const void *pPrior,
+                             const int nBytes)
+{
+    int nOld;
+
+    /* Check the parameters */
+    if ((NULL == handle) || (NULL == pPrior) || (nBytes <= 0) ||
+        (nBytes & (nBytes - 1))) {
+        return MPLITE_ERR_INVPAR;
+    }
+
+    nOld = mplite_size(handle, pPrior);
+    if (nBytes <= nOld) {
+        return MPLITE_OK;
+    }
+
+    return MPLITE_ERR_INVPAR; // not really, but ok.
+}
+
 MPLITE_API int mplite_roundup(mplite_t *handle, const int n)
 {
     int iFullSz;
diff --git a/mplite/mplite.h b/mplite/mplite.h
index 34e3980..76fb485 100644
--- a/mplite/mplite.h
+++ b/mplite/mplite.h
@@ -192,6 +192,11 @@ MPLITE_API void mplite_free(mplite_t *handle, const void *pPrior);
 MPLITE_API void *mplite_realloc(mplite_t *handle, const void *pPrior,
                                 const int nBytes);
 
+
+MPLITE_API int mplite_resize(mplite_t *handle, const void *pPrior,
+                             const int nBytes);
+
+
 /**
  * @brief Round up a request size to the next valid allocation size.
  * @param[in,out] handle Pointer to an initialized @ref mplite_t object