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author | Tae-Young Chung <ty83.chung@samsung.com> | 2018-03-13 17:04:17 +0900 |
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committer | Tae-Young Chung <ty83.chung@samsung.com> | 2018-03-13 17:06:54 +0900 |
commit | 45032639c6c5ee11b79d2d3faaca6e9be6e4be3b (patch) | |
tree | 1d636d696c1f1ea6d79fb469758c465f27a3d37c /src/H5Odrvinfo.c | |
parent | 125c0b85df1bf388ae210fc7a87872984f865769 (diff) | |
download | hdf5-master.tar.gz hdf5-master.tar.bz2 hdf5-master.zip |
Import upstream hdf5-1.10.1HEADupstream/1.10.1upstreammaster
Upstream repository is
https://support.hdfgroup.org/ftp/HDF5/releases/hdf5-1.10/hdf5-1.10.1/src/
Change-Id: I4ec4c291940b7bb75722ea16813fbe55736374a6
Signed-off-by: Tae-Young Chung <ty83.chung@samsung.com>
Diffstat (limited to 'src/H5Odrvinfo.c')
-rw-r--r-- | src/H5Odrvinfo.c | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/src/H5Odrvinfo.c b/src/H5Odrvinfo.c new file mode 100644 index 0000000..b9dea26 --- /dev/null +++ b/src/H5Odrvinfo.c @@ -0,0 +1,313 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * Copyright by the Board of Trustees of the University of Illinois. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + + +/* Programmer: Quincey Koziol <koziol@hdfgroup.org> + * Thursday, March 1, 2007 + * + * Purpose: A message holding driver info settings + * in the superblock extension. + */ + +#include "H5Omodule.h" /* This source code file is part of the H5O module */ + + +#include "H5private.h" /* Generic Functions */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5Opkg.h" /* Object headers */ +#include "H5MMprivate.h" /* Memory management */ + +static void *H5O_drvinfo_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, + unsigned mesg_flags, unsigned *ioflags, const uint8_t *p); +static herr_t H5O_drvinfo_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg); +static void *H5O_drvinfo_copy(const void *_mesg, void *_dest); +static size_t H5O_drvinfo_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg); +static herr_t H5O_drvinfo_reset(void *_mesg); +static herr_t H5O_drvinfo_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE *stream, + int indent, int fwidth); + +/* This message derives from H5O message class */ +const H5O_msg_class_t H5O_MSG_DRVINFO[1] = {{ + H5O_DRVINFO_ID, /*message id number */ + "driver info", /*message name for debugging */ + sizeof(H5O_drvinfo_t), /*native message size */ + 0, /* messages are sharable? */ + H5O_drvinfo_decode, /*decode message */ + H5O_drvinfo_encode, /*encode message */ + H5O_drvinfo_copy, /*copy the native value */ + H5O_drvinfo_size, /*raw message size */ + H5O_drvinfo_reset, /*free internal memory */ + NULL, /* free method */ + NULL, /* file delete method */ + NULL, /* link method */ + NULL, /*set share method */ + NULL, /*can share method */ + NULL, /* pre copy native value to file */ + NULL, /* copy native value to file */ + NULL, /* post copy native value to file */ + NULL, /* get creation index */ + NULL, /* set creation index */ + H5O_drvinfo_debug /*debug the message */ +}}; + +/* Current version of driver info information */ +#define H5O_DRVINFO_VERSION 0 + + +/*------------------------------------------------------------------------- + * Function: H5O_drvinfo_decode + * + * Purpose: Decode a shared message table message and return a pointer + * to a newly allocated H5O_drvinfo_t struct. + * + * Return: Success: Ptr to new message in native struct. + * Failure: NULL + * + * Programmer: Quincey Koziol + * Mar 1, 2007 + * + *------------------------------------------------------------------------- + */ +static void * +H5O_drvinfo_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh, + unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p) +{ + H5O_drvinfo_t *mesg; /* Native message */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT + + /* Sanity check */ + HDassert(f); + HDassert(p); + + /* Version of message */ + if(*p++ != H5O_DRVINFO_VERSION) + HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "bad version number for message") + + /* Allocate space for message */ + if(NULL == (mesg = (H5O_drvinfo_t *)H5MM_calloc(sizeof(H5O_drvinfo_t)))) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for driver info message") + + /* Retrieve driver name */ + HDmemcpy(mesg->name, p, 8); + mesg->name[8] = '\0'; + p += 8; + + /* Decode buffer size */ + UINT16DECODE(p, mesg->len); + HDassert(mesg->len); + + /* Allocate space for buffer */ + if(NULL == (mesg->buf = (uint8_t *)H5MM_malloc(mesg->len))) { + mesg = (H5O_drvinfo_t *)H5MM_xfree(mesg); + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for driver info buffer") + } /* end if */ + + /* Copy encoded driver info into buffer */ + HDmemcpy(mesg->buf, p, mesg->len); + + /* Set return value */ + ret_value = (void *)mesg; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5O_drvinfo_decode() */ + + +/*------------------------------------------------------------------------- + * Function: H5O_drvinfo_encode + * + * Purpose: Encode a v1 B-tree 'K' value message. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Quincey Koziol + * Mar 1, 2007 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5O_drvinfo_encode(H5F_t H5_ATTR_UNUSED *f, hbool_t H5_ATTR_UNUSED disable_shared, uint8_t *p, const void *_mesg) +{ + const H5O_drvinfo_t *mesg = (const H5O_drvinfo_t *)_mesg; + + FUNC_ENTER_NOAPI_NOINIT_NOERR + + /* Sanity check */ + HDassert(f); + HDassert(p); + HDassert(mesg); + + /* Store version, driver name, buffer length, & encoded buffer */ + *p++ = H5O_DRVINFO_VERSION; + HDmemcpy(p, mesg->name, 8); + p += 8; + HDassert(mesg->len <= 65535); + UINT16ENCODE(p, mesg->len); + HDmemcpy(p, mesg->buf, mesg->len); + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* end H5O_drvinfo_encode() */ + + +/*------------------------------------------------------------------------- + * Function: H5O_drvinfo_copy + * + * Purpose: Copies a message from _MESG to _DEST, allocating _DEST if + * necessary. + * + * Return: Success: Ptr to _DEST + * Failure: NULL + * + * Programmer: Quincey Koziol + * Mar 1, 2007 + * + *------------------------------------------------------------------------- + */ +static void * +H5O_drvinfo_copy(const void *_mesg, void *_dest) +{ + const H5O_drvinfo_t *mesg = (const H5O_drvinfo_t *)_mesg; + H5O_drvinfo_t *dest = (H5O_drvinfo_t *)_dest; + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT + + /* Sanity check */ + HDassert(mesg); + + if(!dest && NULL == (dest = (H5O_drvinfo_t *)H5MM_malloc(sizeof(H5O_drvinfo_t)))) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for shared message table message") + + /* Shallow copy the fields */ + *dest = *mesg; + + /* Copy the buffer */ + if(NULL == (dest->buf = (uint8_t *)H5MM_malloc(mesg->len))) { + if(dest != _dest) + dest = (H5O_drvinfo_t *)H5MM_xfree(dest); + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") + } /* end if */ + HDmemcpy(dest->buf, mesg->buf, mesg->len); + + /* Set return value */ + ret_value = dest; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5O_drvinfo_copy() */ + + +/*------------------------------------------------------------------------- + * Function: H5O_drvinfo_size + * + * Purpose: Returns the size of the raw message in bytes not counting the + * message type or size fields, but only the data fields. + * + * Return: Success: Message data size in bytes w/o alignment. + * Failure: 0 + * + * Programmer: Quincey Koziol + * Mar 1, 2007 + * + *------------------------------------------------------------------------- + */ +static size_t +H5O_drvinfo_size(const H5F_t H5_ATTR_UNUSED *f, hbool_t H5_ATTR_UNUSED disable_shared, const void *_mesg) +{ + const H5O_drvinfo_t *mesg = (const H5O_drvinfo_t *)_mesg; + size_t ret_value = 0; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT_NOERR + + /* Sanity check */ + HDassert(f); + HDassert(mesg); + + ret_value = 1 + /* Version number */ + 8 + /* Driver name */ + 2 + /* Buffer length */ + mesg->len; /* Buffer */ + + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5O_drvinfo_size() */ + + +/*------------------------------------------------------------------------- + * Function: H5O_drvinfo_reset + * + * Purpose: Frees internal pointers and resets the message to an + * initial state. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Quincey Koziol + * koziol@hdfgroup.org + * Mar 1 2007 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5O_drvinfo_reset(void *_mesg) +{ + H5O_drvinfo_t *mesg = (H5O_drvinfo_t *) _mesg; + + FUNC_ENTER_NOAPI_NOINIT_NOERR + + /* check args */ + HDassert(mesg); + + /* reset */ + mesg->buf = (uint8_t *)H5MM_xfree(mesg->buf); + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* end H5O_drvinfo_reset() */ + + +/*------------------------------------------------------------------------- + * Function: H5O_drvinfo_debug + * + * Purpose: Prints debugging info for the message. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Quincey Koziol + * Mar 1, 2007 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5O_drvinfo_debug(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, const void *_mesg, FILE *stream, + int indent, int fwidth) +{ + const H5O_drvinfo_t *mesg = (const H5O_drvinfo_t *)_mesg; + + FUNC_ENTER_NOAPI_NOINIT_NOERR + + /* Sanity check */ + HDassert(f); + HDassert(mesg); + HDassert(stream); + HDassert(indent >= 0); + HDassert(fwidth >= 0); + + HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth, + "Driver name:", mesg->name); + HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth, + "Buffer size:", mesg->len); + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* end H5O_drvinfo_debug() */ + + |