summaryrefslogtreecommitdiffstats
path: root/src/H5Fsec2.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/H5Fsec2.c')
-rw-r--r--src/H5Fsec2.c52
1 files changed, 28 insertions, 24 deletions
diff --git a/src/H5Fsec2.c b/src/H5Fsec2.c
index add8e1f..cacbff2 100644
--- a/src/H5Fsec2.c
+++ b/src/H5Fsec2.c
@@ -28,10 +28,10 @@ static H5F_low_t *H5F_sec2_open(const char *name,
H5F_search_t *key/*out*/);
static herr_t H5F_sec2_close(H5F_low_t *lf, const H5F_access_t *access_parms);
static herr_t H5F_sec2_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_sec2_write(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, const uint8_t *buf);
const H5F_low_class_t H5F_LOW_SEC2_g[1] = {{
@@ -93,7 +93,7 @@ H5F_sec2_open(const char *name, const H5F_access_t UNUSED *access_parms,
lf->u.sec2.op = H5F_OP_SEEK;
lf->u.sec2.cur = 0;
HDfstat(fd, &sb);
- lf->eof.offset = sb.st_size;
+ lf->eof = sb.st_size;
if (key) {
#if WIN32
@@ -179,15 +179,17 @@ H5F_sec2_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_sec2_read(H5F_low_t *lf, const H5F_access_t UNUSED *access_parms,
- const H5F_xfer_t UNUSED *xfer_parms, const haddr_t *addr,
- size_t size, uint8_t *buf)
+ const H5F_xfer_t UNUSED *xfer_parms, haddr_t addr, size_t size,
+ uint8_t *buf)
{
ssize_t n;
uint64_t mask;
@@ -201,20 +203,20 @@ H5F_sec2_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_LSEEK64
- offset = (off64_t)(addr->offset); /*checked for overflow above*/
+ offset = (off64_t)(addr); /*checked for overflow above*/
#else
- offset = (off_t)(addr->offset); /*checked for overflow above*/
+ offset = (off_t)(addr); /*checked for overflow above*/
#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);
}
@@ -241,8 +243,8 @@ H5F_sec2_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;
}
@@ -284,15 +286,17 @@ H5F_sec2_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_sec2_write(H5F_low_t *lf, const H5F_access_t UNUSED *access_parms,
- const H5F_xfer_t UNUSED *xfer_parms, const haddr_t *addr,
- size_t size, const uint8_t *buf)
+ const H5F_xfer_t UNUSED *xfer_parms, haddr_t addr, size_t size,
+ const uint8_t *buf)
{
uint64_t mask;
ssize_t n;
@@ -306,16 +310,16 @@ H5F_sec2_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_LSEEK64
- offset = (off64_t)(addr->offset); /*checked for overflow*/
+ offset = (off64_t)(addr); /*checked for overflow*/
n = (off64_t)size; /*checked for overflow*/
#else
- offset = (off_t)(addr->offset); /*checked for overflow*/
+ offset = (off_t)(addr); /*checked for overflow*/
n = (off_t)size; /*checked for overflow*/
#endif