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-rw-r--r--src/H5Fstdio.c49
1 files changed, 26 insertions, 23 deletions
diff --git a/src/H5Fstdio.c b/src/H5Fstdio.c
index 6f3e059..5804a92 100644
--- a/src/H5Fstdio.c
+++ b/src/H5Fstdio.c
@@ -22,12 +22,11 @@ static H5F_low_t *H5F_stdio_open(const char *name,
H5F_search_t *key/*out*/);
static herr_t H5F_stdio_close(H5F_low_t *lf, const H5F_access_t *access_parms);
static herr_t H5F_stdio_read(H5F_low_t *lf, const H5F_access_t *access_parms,
- const H5F_xfer_t *xfer_parms, const haddr_t *addr,
+ const H5F_xfer_t *xfer_parms, haddr_t addr,
size_t size, uint8_t *buf/*out*/);
static herr_t H5F_stdio_write(H5F_low_t *lf, const H5F_access_t *access_parms,
- const H5F_xfer_t *xfer_parms,
- const haddr_t *addr, size_t size,
- const uint8_t *buf);
+ const H5F_xfer_t *xfer_parms, haddr_t addr,
+ size_t size, const uint8_t *buf);
static herr_t H5F_stdio_flush(H5F_low_t *lf, const H5F_access_t *access_parms);
const H5F_low_class_t H5F_LOW_STDIO_g[1] = {{
@@ -175,14 +174,16 @@ H5F_stdio_close(H5F_low_t *lf, const H5F_access_t UNUSED *access_parms)
* Wednesday, October 22, 1997
*
* Modifications:
- * June 2, 1998 Albert Cheng
- * Added xfer_mode argument
+ * Albert Cheng, 1998-06-02
+ * Added XFER_MODE argument.
*
+ * Robb Matzke, 1999-07-28
+ * The ADDR argument is passed by value.
*-------------------------------------------------------------------------
*/
static herr_t
H5F_stdio_read(H5F_low_t *lf, const H5F_access_t UNUSED *access_parms,
- const H5F_xfer_t UNUSED *xfer_parms, const haddr_t *addr,
+ const H5F_xfer_t UNUSED *xfer_parms, haddr_t addr,
size_t size, uint8_t *buf/*out*/)
{
size_t n;
@@ -197,20 +198,20 @@ H5F_stdio_read(H5F_low_t *lf, const H5F_access_t UNUSED *access_parms,
/* Check for overflow */
mask = (uint64_t)1 << (8*sizeof(offset)-1);
- if (addr->offset >= mask ||
- addr->offset + size < addr->offset ||
- addr->offset+size >= mask) {
+ if (addr >= mask ||
+ addr + size < addr ||
+ addr+size >= mask) {
HRETURN_ERROR (H5E_IO, H5E_OVERFLOW, FAIL, "file address overflowed");
}
#ifdef HAVE_FSEEK64
- offset = (int64_t)(addr->offset); /*checked for overflow*/
+ offset = (int64_t)(addr); /*checked for overflow*/
#else
- offset = (long)(addr->offset); /*checked for overflow*/
+ offset = (long)(addr); /*checked for overflow*/
#endif
/* Check easy cases */
if (0 == size) HRETURN(SUCCEED);
- if ((uint64_t)offset >= lf->eof.offset) {
+ if ((uint64_t)offset >= lf->eof) {
HDmemset(buf, 0, size);
HRETURN(SUCCEED);
}
@@ -236,8 +237,8 @@ H5F_stdio_read(H5F_low_t *lf, const H5F_access_t UNUSED *access_parms,
/*
* Read zeros past the logical end of file (physical is handled below)
*/
- if ((size_t) offset + size > lf->eof.offset) {
- size_t nbytes = (size_t) offset + size - lf->eof.offset;
+ if ((size_t) offset + size > lf->eof) {
+ size_t nbytes = (size_t) offset + size - lf->eof;
HDmemset(buf + size - nbytes, 0, nbytes);
size -= nbytes;
}
@@ -284,14 +285,16 @@ H5F_stdio_read(H5F_low_t *lf, const H5F_access_t UNUSED *access_parms,
* Wednesday, October 22, 1997
*
* Modifications:
- * June 2, 1998 Albert Cheng
- * Added xfer_mode argument
+ * Albert Cheng, 1998-06-02
+ * Added XFER_MODE argument.
*
+ * Robb Matzke, 1999-07-28
+ * The ADDR argument is passed by value.
*-------------------------------------------------------------------------
*/
static herr_t
H5F_stdio_write(H5F_low_t *lf, const H5F_access_t UNUSED *access_parms,
- const H5F_xfer_t UNUSED *xfer_parms, const haddr_t *addr,
+ const H5F_xfer_t UNUSED *xfer_parms, haddr_t addr,
size_t size, const uint8_t *buf)
{
uint64_t mask;
@@ -307,16 +310,16 @@ H5F_stdio_write(H5F_low_t *lf, const H5F_access_t UNUSED *access_parms,
/* Check for overflow */
mask = (uint64_t)1 << (8*sizeof(offset)-1);
- if (addr->offset >= mask ||
- addr->offset+size < addr->offset ||
- addr->offset+size >= mask) {
+ if (addr >= mask ||
+ addr+size < addr ||
+ addr+size >= mask) {
HRETURN_ERROR (H5E_IO, H5E_OVERFLOW, FAIL, "file address overflowed");
}
#ifdef HAVE_FSEEK64
- offset = (int64_t)(addr->offset); /*checked for overflow*/
+ offset = (int64_t)(addr); /*checked for overflow*/
n = size; /*checked for overflow*/
#else
- offset = (long)(addr->offset); /*checked for overflow*/
+ offset = (long)(addr); /*checked for overflow*/
n = size; /*checked for overflow*/
#endif