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-rw-r--r--src/H5FDint.c146
1 files changed, 66 insertions, 80 deletions
diff --git a/src/H5FDint.c b/src/H5FDint.c
index 8a2148a..b651c23 100644
--- a/src/H5FDint.c
+++ b/src/H5FDint.c
@@ -24,56 +24,46 @@
/* Module Setup */
/****************/
-#include "H5FDmodule.h" /* This source code file is part of the H5FD module */
-
+#include "H5FDmodule.h" /* This source code file is part of the H5FD module */
/***********/
/* Headers */
/***********/
-#include "H5private.h" /* Generic Functions */
-#include "H5CXprivate.h" /* API Contexts */
-#include "H5Eprivate.h" /* Error handling */
-#include "H5Fprivate.h" /* File access */
-#include "H5FDpkg.h" /* File Drivers */
-#include "H5Iprivate.h" /* IDs */
-
+#include "H5private.h" /* Generic Functions */
+#include "H5CXprivate.h" /* API Contexts */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5Fprivate.h" /* File access */
+#include "H5FDpkg.h" /* File Drivers */
+#include "H5Iprivate.h" /* IDs */
/****************/
/* Local Macros */
/****************/
-
/******************/
/* Local Typedefs */
/******************/
-
/********************/
/* Package Typedefs */
/********************/
-
/********************/
/* Local Prototypes */
/********************/
-
/*********************/
/* Package Variables */
/*********************/
-
/*****************************/
/* Library Private Variables */
/*****************************/
-
/*******************/
/* Local Variables */
/*******************/
-
-
/*-------------------------------------------------------------------------
* Function: H5FD_locate_signature
*
@@ -88,13 +78,13 @@
herr_t
H5FD_locate_signature(H5FD_t *file, haddr_t *sig_addr)
{
- haddr_t addr = HADDR_UNDEF;
- haddr_t eoa = HADDR_UNDEF;
- haddr_t eof = HADDR_UNDEF;
- uint8_t buf[H5F_SIGNATURE_LEN];
- unsigned n;
- unsigned maxpow;
- herr_t ret_value = SUCCEED; /* Return value */
+ haddr_t addr = HADDR_UNDEF;
+ haddr_t eoa = HADDR_UNDEF;
+ haddr_t eof = HADDR_UNDEF;
+ uint8_t buf[H5F_SIGNATURE_LEN];
+ unsigned n;
+ unsigned maxpow;
+ herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
@@ -103,33 +93,33 @@ H5FD_locate_signature(H5FD_t *file, haddr_t *sig_addr)
HDassert(sig_addr);
/* Find the least N such that 2^N is larger than the file size */
- eof = H5FD_get_eof(file, H5FD_MEM_SUPER);
- eoa = H5FD_get_eoa(file, H5FD_MEM_SUPER);
+ eof = H5FD_get_eof(file, H5FD_MEM_SUPER);
+ eoa = H5FD_get_eoa(file, H5FD_MEM_SUPER);
addr = MAX(eof, eoa);
- if(HADDR_UNDEF == addr)
+ if (HADDR_UNDEF == addr)
HGOTO_ERROR(H5E_IO, H5E_CANTINIT, FAIL, "unable to obtain EOF/EOA value")
- for(maxpow = 0; addr; maxpow++)
+ for (maxpow = 0; addr; maxpow++)
addr >>= 1;
maxpow = MAX(maxpow, 9);
/* Search for the file signature at format address zero followed by
* powers of two larger than 9.
*/
- for(n = 8; n < maxpow; n++) {
+ for (n = 8; n < maxpow; n++) {
addr = (8 == n) ? 0 : (haddr_t)1 << n;
- if(H5FD_set_eoa(file, H5FD_MEM_SUPER, addr + H5F_SIGNATURE_LEN) < 0)
+ if (H5FD_set_eoa(file, H5FD_MEM_SUPER, addr + H5F_SIGNATURE_LEN) < 0)
HGOTO_ERROR(H5E_IO, H5E_CANTINIT, FAIL, "unable to set EOA value for file signature")
- if(H5FD_read(file, H5FD_MEM_SUPER, addr, (size_t)H5F_SIGNATURE_LEN, buf) < 0)
+ if (H5FD_read(file, H5FD_MEM_SUPER, addr, (size_t)H5F_SIGNATURE_LEN, buf) < 0)
HGOTO_ERROR(H5E_IO, H5E_CANTINIT, FAIL, "unable to read file signature")
- if(!HDmemcmp(buf, H5F_SIGNATURE, (size_t)H5F_SIGNATURE_LEN))
+ if (!HDmemcmp(buf, H5F_SIGNATURE, (size_t)H5F_SIGNATURE_LEN))
break;
}
/* If the signature was not found then reset the EOA value and return
* HADDR_UNDEF.
*/
- if(n >= maxpow) {
- if(H5FD_set_eoa(file, H5FD_MEM_SUPER, eoa) < 0)
+ if (n >= maxpow) {
+ if (H5FD_set_eoa(file, H5FD_MEM_SUPER, eoa) < 0)
HGOTO_ERROR(H5E_IO, H5E_CANTINIT, FAIL, "unable to reset EOA value")
*sig_addr = HADDR_UNDEF;
}
@@ -141,7 +131,6 @@ done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5FD_locate_signature() */
-
/*-------------------------------------------------------------------------
* Function: H5FD_read
*
@@ -152,10 +141,10 @@ done:
*-------------------------------------------------------------------------
*/
herr_t
-H5FD_read(H5FD_t *file, H5FD_mem_t type, haddr_t addr, size_t size, void *buf/*out*/)
+H5FD_read(H5FD_t *file, H5FD_mem_t type, haddr_t addr, size_t size, void *buf /*out*/)
{
- hid_t dxpl_id = H5I_INVALID_HID; /* DXPL for operation */
- herr_t ret_value = SUCCEED; /* Return value */
+ hid_t dxpl_id = H5I_INVALID_HID; /* DXPL for operation */
+ herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
@@ -173,7 +162,7 @@ H5FD_read(H5FD_t *file, H5FD_mem_t type, haddr_t addr, size_t size, void *buf/*o
* Do not return early for Parallel mode since the I/O could be a
* collective transfer.
*/
- if(0 == size)
+ if (0 == size)
HGOTO_DONE(SUCCEED)
#endif /* H5_HAVE_PARALLEL */
@@ -183,25 +172,26 @@ H5FD_read(H5FD_t *file, H5FD_mem_t type, haddr_t addr, size_t size, void *buf/*o
* objects being written within the file by the application performing
* SWMR write operations.
*/
- if(!(file->access_flags & H5F_ACC_SWMR_READ)) {
- haddr_t eoa;
+ if (!(file->access_flags & H5F_ACC_SWMR_READ)) {
+ haddr_t eoa;
- if(HADDR_UNDEF == (eoa = (file->cls->get_eoa)(file, type)))
+ if (HADDR_UNDEF == (eoa = (file->cls->get_eoa)(file, type)))
HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, FAIL, "driver get_eoa request failed")
- if((addr + file->base_addr + size) > eoa)
- HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow, addr = %llu, size = %llu, eoa = %llu", (unsigned long long)(addr + file->base_addr), (unsigned long long)size, (unsigned long long)eoa)
+ if ((addr + file->base_addr + size) > eoa)
+ HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow, addr = %llu, size = %llu, eoa = %llu",
+ (unsigned long long)(addr + file->base_addr), (unsigned long long)size,
+ (unsigned long long)eoa)
}
/* Dispatch to driver */
- if((file->cls->read)(file, type, dxpl_id, addr + file->base_addr, size, buf) < 0)
+ if ((file->cls->read)(file, type, dxpl_id, addr + file->base_addr, size, buf) < 0)
HGOTO_ERROR(H5E_VFL, H5E_READERROR, FAIL, "driver read request failed")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5FD_read() */
-
/*-------------------------------------------------------------------------
* Function: H5FD_write
*
@@ -214,9 +204,9 @@ done:
herr_t
H5FD_write(H5FD_t *file, H5FD_mem_t type, haddr_t addr, size_t size, const void *buf)
{
- hid_t dxpl_id; /* DXPL for operation */
- haddr_t eoa = HADDR_UNDEF; /* EOA for file */
- herr_t ret_value = SUCCEED; /* Return value */
+ hid_t dxpl_id; /* DXPL for operation */
+ haddr_t eoa = HADDR_UNDEF; /* EOA for file */
+ herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
@@ -234,25 +224,25 @@ H5FD_write(H5FD_t *file, H5FD_mem_t type, haddr_t addr, size_t size, const void
* Do not return early for Parallel mode since the I/O could be a
* collective transfer.
*/
- if(0 == size)
+ if (0 == size)
HGOTO_DONE(SUCCEED)
#endif /* H5_HAVE_PARALLEL */
- if(HADDR_UNDEF == (eoa = (file->cls->get_eoa)(file, type)))
+ if (HADDR_UNDEF == (eoa = (file->cls->get_eoa)(file, type)))
HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, FAIL, "driver get_eoa request failed")
- if((addr + file->base_addr + size) > eoa)
+ if ((addr + file->base_addr + size) > eoa)
HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow, addr = %llu, size=%llu, eoa=%llu",
- (unsigned long long)(addr+ file->base_addr), (unsigned long long)size, (unsigned long long)eoa)
+ (unsigned long long)(addr + file->base_addr), (unsigned long long)size,
+ (unsigned long long)eoa)
/* Dispatch to driver */
- if((file->cls->write)(file, type, dxpl_id, addr + file->base_addr, size, buf) < 0)
+ if ((file->cls->write)(file, type, dxpl_id, addr + file->base_addr, size, buf) < 0)
HGOTO_ERROR(H5E_VFL, H5E_WRITEERROR, FAIL, "driver write request failed")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5FD_write() */
-
/*-------------------------------------------------------------------------
* Function: H5FD_set_eoa
*
@@ -270,7 +260,7 @@ done:
herr_t
H5FD_set_eoa(H5FD_t *file, H5FD_mem_t type, haddr_t addr)
{
- herr_t ret_value = SUCCEED; /* Return value */
+ herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
@@ -278,14 +268,13 @@ H5FD_set_eoa(H5FD_t *file, H5FD_mem_t type, haddr_t addr)
HDassert(H5F_addr_defined(addr) && addr <= file->maxaddr);
/* Dispatch to driver, convert to absolute address */
- if((file->cls->set_eoa)(file, type, addr + file->base_addr) < 0)
+ if ((file->cls->set_eoa)(file, type, addr + file->base_addr) < 0)
HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, FAIL, "driver set_eoa request failed")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5FD_set_eoa() */
-
/*-------------------------------------------------------------------------
* Function: H5FD_get_eoa
*
@@ -305,14 +294,14 @@ done:
haddr_t
H5FD_get_eoa(const H5FD_t *file, H5FD_mem_t type)
{
- haddr_t ret_value = HADDR_UNDEF; /* Return value */
+ haddr_t ret_value = HADDR_UNDEF; /* Return value */
FUNC_ENTER_NOAPI(HADDR_UNDEF)
HDassert(file && file->cls);
/* Dispatch to driver */
- if(HADDR_UNDEF == (ret_value = (file->cls->get_eoa)(file, type)))
+ if (HADDR_UNDEF == (ret_value = (file->cls->get_eoa)(file, type)))
HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, HADDR_UNDEF, "driver get_eoa request failed")
/* Adjust for base address in file (convert to relative address) */
@@ -322,7 +311,6 @@ done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5FD_get_eoa() */
-
/*-------------------------------------------------------------------------
* Function: H5FD_get_eof
*
@@ -342,15 +330,15 @@ done:
haddr_t
H5FD_get_eof(const H5FD_t *file, H5FD_mem_t type)
{
- haddr_t ret_value = HADDR_UNDEF; /* Return value */
+ haddr_t ret_value = HADDR_UNDEF; /* Return value */
FUNC_ENTER_NOAPI(HADDR_UNDEF)
HDassert(file && file->cls);
/* Dispatch to driver */
- if(file->cls->get_eof) {
- if(HADDR_UNDEF == (ret_value = (file->cls->get_eof)(file, type)))
+ if (file->cls->get_eof) {
+ if (HADDR_UNDEF == (ret_value = (file->cls->get_eof)(file, type)))
HGOTO_ERROR(H5E_VFL, H5E_CANTGET, HADDR_UNDEF, "driver get_eof request failed")
}
else
@@ -363,23 +351,22 @@ done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5FD_get_eof() */
-
/*-------------------------------------------------------------------------
-* Function: H5FD_driver_query
-*
-* Purpose: Similar to H5FD_query(), but intended for cases when we don't
-* have a file available (e.g. before one is opened). Since we
-* can't use the file to get the driver, the driver is passed in
-* as a parameter.
-*
-* Return: SUCCEED/FAIL
-*
-*-------------------------------------------------------------------------
-*/
+ * Function: H5FD_driver_query
+ *
+ * Purpose: Similar to H5FD_query(), but intended for cases when we don't
+ * have a file available (e.g. before one is opened). Since we
+ * can't use the file to get the driver, the driver is passed in
+ * as a parameter.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ *-------------------------------------------------------------------------
+ */
herr_t
-H5FD_driver_query(const H5FD_class_t *driver, unsigned long *flags/*out*/)
+H5FD_driver_query(const H5FD_class_t *driver, unsigned long *flags /*out*/)
{
- herr_t ret_value = SUCCEED; /* Return value */
+ herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT_NOERR
@@ -387,11 +374,10 @@ H5FD_driver_query(const H5FD_class_t *driver, unsigned long *flags/*out*/)
HDassert(flags);
/* Check for the driver to query and then query it */
- if(driver->query)
+ if (driver->query)
ret_value = (driver->query)(NULL, flags);
else
*flags = 0;
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5FD_driver_query() */
-