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authorQuincey Koziol <koziol@hdfgroup.org>2000-08-31 19:33:58 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2000-08-31 19:33:58 (GMT)
commit1ec946fac8375b9b5a377c5deb027ed17f364255 (patch)
tree4a75d3d7388a2857763f114eb7b1fe73722a90dd /src/H5FDstdio.c
parent362baf12993da83dc1af12491e3adf0ed9cb8dd9 (diff)
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[svn-r2498] Added new VFL 'query' code and added new 'type of data' parameter to write
call.
Diffstat (limited to 'src/H5FDstdio.c')
-rw-r--r--src/H5FDstdio.c38
1 files changed, 36 insertions, 2 deletions
diff --git a/src/H5FDstdio.c b/src/H5FDstdio.c
index 1c42900..62dc93c 100644
--- a/src/H5FDstdio.c
+++ b/src/H5FDstdio.c
@@ -111,12 +111,13 @@ static H5FD_t *H5FD_stdio_open(const char *name, unsigned flags,
hid_t fapl_id, haddr_t maxaddr);
static herr_t H5FD_stdio_close(H5FD_t *lf);
static int H5FD_stdio_cmp(const H5FD_t *_f1, const H5FD_t *_f2);
+static herr_t H5FD_stdio_query(const H5FD_t *_f1, unsigned long *flags);
static haddr_t H5FD_stdio_get_eoa(H5FD_t *_file);
static herr_t H5FD_stdio_set_eoa(H5FD_t *_file, haddr_t addr);
static haddr_t H5FD_stdio_get_eof(H5FD_t *_file);
static herr_t H5FD_stdio_read(H5FD_t *lf, hid_t fapl_id, haddr_t addr,
hsize_t size, void *buf);
-static herr_t H5FD_stdio_write(H5FD_t *lf, hid_t fapl_id, haddr_t addr,
+static herr_t H5FD_stdio_write(H5FD_t *lf, H5FD_mem_t type, hid_t fapl_id, haddr_t addr,
hsize_t size, const void *buf);
static herr_t H5FD_stdio_flush(H5FD_t *_file);
@@ -136,6 +137,7 @@ static const H5FD_class_t H5FD_stdio_g = {
H5FD_stdio_open, /*open */
H5FD_stdio_close, /*close */
H5FD_stdio_cmp, /*cmp */
+ H5FD_stdio_query, /*query */
NULL, /*alloc */
NULL, /*free */
H5FD_stdio_get_eoa, /*get_eoa */
@@ -409,6 +411,38 @@ H5FD_stdio_cmp(const H5FD_t *_f1, const H5FD_t *_f2)
/*-------------------------------------------------------------------------
+ * Function: H5FD_stdio_query
+ *
+ * Purpose: Set the flags that this VFL driver is capable of supporting.
+ * (listed in H5FDpublic.h)
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Friday, August 25, 2000
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5FD_stdio_query(const H5FD_t *_f, unsigned long *flags /* out */)
+{
+ const H5FD_stdio_t *f = (const H5FD_stdio_t*)_f;
+
+ /* Set the VFL feature flags that this driver supports */
+ if(flags) {
+ *flags|=H5FD_FEAT_AGGREGATE_METADATA; /* OK to aggregate metadata allocations */
+ *flags|=H5FD_FEAT_ACCUMULATE_METADATA; /* OK to accumulate metadata for faster writes */
+ } /* end if */
+
+ return(0);
+}
+
+
+/*-------------------------------------------------------------------------
* Function: H5FD_stdio_get_eoa
*
* Purpose: Gets the end-of-address marker for the file. The EOA marker
@@ -628,7 +662,7 @@ H5FD_stdio_read(H5FD_t *_file, hid_t dxpl_id, haddr_t addr, hsize_t size,
*-------------------------------------------------------------------------
*/
static herr_t
-H5FD_stdio_write(H5FD_t *_file, hid_t dxpl_id, haddr_t addr,
+H5FD_stdio_write(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr,
hsize_t size, const void *buf)
{
H5FD_stdio_t *file = (H5FD_stdio_t*)_file;