From ff6a067c34a776099e53f4fd069bb214e31f917e Mon Sep 17 00:00:00 2001
From: Ed Hartnett <edwardjameshartnett@gmail.com>
Date: Fri, 5 Jul 2019 15:33:55 -0600
Subject: [PATCH] added nc_free_decomp

---
 src/clib/pio.h            |  3 +++
 src/ncint/ncint_pio.c     | 13 ++++++++++++-
 tests/ncint/tst_pio_udf.c |  3 +++
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/clib/pio.h b/src/clib/pio.h
index 94c2f1281e0..d203190042c 100644
--- a/src/clib/pio.h
+++ b/src/clib/pio.h
@@ -1256,6 +1256,9 @@ extern "C" {
                        int maplen, const size_t *compmap, int *ioidp,
                        int rearranger, const size_t *iostart,
                        const size_t *iocount);
+
+    int nc_free_decomp(int ioid);
+
 #if defined(__cplusplus)
 }
 #endif
diff --git a/src/ncint/ncint_pio.c b/src/ncint/ncint_pio.c
index 495d593a023..e58e1866fad 100644
--- a/src/ncint/ncint_pio.c
+++ b/src/ncint/ncint_pio.c
@@ -46,7 +46,7 @@ nc_free_iosystem(int iosysid)
 }
 
 /**
- * Same as PIOc_init_decomp()
+ * Same as PIOc_init_decomp().
  *
  * @author Ed Hartnett
  */
@@ -61,3 +61,14 @@ nc_init_decomp(int iosysid, int pio_type, int ndims, const int *gdimlen,
                             (const PIO_Offset *)iostart,
                             (const PIO_Offset *)iocount);
 }
+
+/**
+ * Same as PIOc_freedecomp().
+ *
+ * @author Ed Hartnett
+ */
+int
+nc_free_decomp(int ioid)
+{
+    return PIOc_freedecomp(diosysid, ioid);
+}
diff --git a/tests/ncint/tst_pio_udf.c b/tests/ncint/tst_pio_udf.c
index 9d79ae573ed..55758312dd6 100644
--- a/tests/ncint/tst_pio_udf.c
+++ b/tests/ncint/tst_pio_udf.c
@@ -83,6 +83,9 @@ main(int argc, char **argv)
         if (nc_open(FILE_NAME, NC_UDF0, &ncid)) ERR;
         if (nc_close(ncid)) ERR;
 
+        /* Free the decomposition. */
+        if (nc_free_decomp(ioid)) ERR;
+
         /* Close the iosystem. */
         if (nc_free_iosystem(iosysid)) ERR;
     }