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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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 files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Purpose: A tool to clear the status_flags field from the file's superblock via -s option.
* A tool to remove cache image from the file via -m option.
*
*/
#include "hdf5.h"
#include "H5private.h"
#include "h5tools.h"
#include "h5tools_utils.h"
/* Name of tool */
#define PROGRAMNAME "h5clear"
/* Make this private property (defined in H5Fprivate.h) available to h5clear. */
#define H5F_ACS_CLEAR_STATUS_FLAGS_NAME "clear_status_flags"
static char *fname_g = NULL;
static hbool_t clear_status_flags = FALSE;
static hbool_t remove_cache_image = FALSE;
/*
* Command-line options: The user can specify short or long-named
* parameters.
*/
static const char *s_opts = "hVsm";
static struct long_options l_opts[] = {
{ "help", no_arg, 'h' },
{ "hel", no_arg, 'h'},
{ "he", no_arg, 'h'},
{ "version", no_arg, 'V' },
{ "version", no_arg, 'V' },
{ "versio", no_arg, 'V' },
{ "versi", no_arg, 'V' },
{ "vers", no_arg, 'V' },
{ "status", no_arg, 's' },
{ "statu", no_arg, 's' },
{ "stat", no_arg, 's' },
{ "sta", no_arg, 's' },
{ "st", no_arg, 's' },
{ "image", no_arg, 'm' },
{ "imag", no_arg, 'm' },
{ "ima", no_arg, 'm' },
{ "im", no_arg, 'm' },
{ NULL, 0, '\0' }
};
/*-------------------------------------------------------------------------
* Function: usage
*
* Purpose: Prints a usage message
*
* Return: void
*
*-------------------------------------------------------------------------
*/
static void usage(const char *prog)
{
HDfprintf(stdout, "usage: %s [OPTIONS] file_name\n", prog);
HDfprintf(stdout, " OPTIONS\n");
HDfprintf(stdout, " -h, --help Print a usage message and exit\n");
HDfprintf(stdout, " -V, --version Print version number and exit\n");
HDfprintf(stdout, " -s, --status Clear the status_flags field in the file's superblock\n");
HDfprintf(stdout, " -m, --image Remove the metadata cache image from the file\n");
HDfprintf(stdout, "\n");
HDfprintf(stdout, "Examples of use:\n");
HDfprintf(stdout, "\n");
HDfprintf(stdout, "h5clear -s file_name\n");
HDfprintf(stdout, " Clear the status_flags field in the superblock of the HDF5 file <file_name>.\n");
HDfprintf(stdout, "\n");
HDfprintf(stdout, "h5clear -m file_name\n");
HDfprintf(stdout, " Remove the metadata cache image from the HDF5 file <file_name>.\n");
} /* usage() */
/*-------------------------------------------------------------------------
* Function: parse_command_line
*
* Purpose: Parses command line and sets up global variable to control output
*
* Return: Success: 0
*
* Failure: -1
*
*-------------------------------------------------------------------------
*/
static int
parse_command_line(int argc, const char **argv)
{
int opt;
/* no arguments */
if (argc == 1) {
usage(h5tools_getprogname());
h5tools_setstatus(EXIT_FAILURE);
goto error;
}
/* parse command line options */
while((opt = get_option(argc, argv, s_opts, l_opts)) != EOF) {
switch((char)opt) {
case 'h':
usage(h5tools_getprogname());
h5tools_setstatus(EXIT_SUCCESS);
goto done;
case 'V':
print_version(h5tools_getprogname());
h5tools_setstatus(EXIT_SUCCESS);
goto done;
case 's':
clear_status_flags = TRUE;
break;
case 'm':
remove_cache_image = TRUE;
break;
default:
usage(h5tools_getprogname());
h5tools_setstatus(EXIT_FAILURE);
goto error;
} /* end switch */
} /* end while */
/* check for file name to be processed */
if(argc <= opt_ind) {
error_msg("missing file name\n");
usage(h5tools_getprogname());
h5tools_setstatus(EXIT_FAILURE);
goto error;
} /* end if */
fname_g = HDstrdup(argv[opt_ind]);
done:
return(0);
error:
return -1;
}
/*-------------------------------------------------------------------------
* Function: leave
*
* Purpose: Close the tools library and exit
*
* Return: Does not return
*
*-------------------------------------------------------------------------
*/
static void
leave(int ret)
{
h5tools_close();
HDexit(ret);
} /* leave() */
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: To clear the status_flags field in the file's superblock (-s option).
* To remove the cache image from the file (-m option).
*
* Return: Success: 0
* Failure: 1
*
*-------------------------------------------------------------------------
*/
int
main (int argc, const char *argv[])
{
char *fname = NULL; /* File name */
hid_t fapl = -1; /* File access property list */
hid_t fid = -1; /* File ID */
haddr_t image_addr;
hsize_t image_len;
h5tools_setprogname(PROGRAMNAME);
h5tools_setstatus(EXIT_SUCCESS);
/* Disable the HDF5 library's error reporting */
H5Eset_auto2(H5E_DEFAULT, NULL, NULL);
/* initialize h5tools lib */
h5tools_init();
/* Parse command line options */
if(parse_command_line(argc, argv) < 0)
goto done;
if(fname_g == NULL)
goto done;
if(!clear_status_flags && !remove_cache_image) {
usage(h5tools_getprogname());
h5tools_setstatus(EXIT_FAILURE);
goto done;
}
/* Duplicate the file name */
fname = HDstrdup(fname_g);
/* Get a copy of the file access property list */
if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0) {
error_msg("H5Pcreate\n");
h5tools_setstatus(EXIT_FAILURE);
goto done;
}
/* -s option */
if(clear_status_flags) {
/* Set to clear the status_flags in the file's superblock */
/* This is a private property used by h5clear only */
if(H5Pset(fapl, H5F_ACS_CLEAR_STATUS_FLAGS_NAME, &clear_status_flags) < 0) {
error_msg("H5Pset\n");
h5tools_setstatus(EXIT_FAILURE);
goto done;
}
}
if((fid = h5tools_fopen(fname, H5F_ACC_RDWR, fapl, NULL, NULL, (size_t)0)) < 0) {
error_msg("h5tools_fopen\n");
h5tools_setstatus(EXIT_FAILURE);
goto done;
}
/* -m option */
if(remove_cache_image) {
if(H5Fget_mdc_image_info(fid, &image_addr, &image_len) < 0) {
error_msg("H5Fget_mdc_image_info\n");
h5tools_setstatus(EXIT_FAILURE);
goto done;
}
if(image_addr == HADDR_UNDEF && image_len == 0)
warn_msg("No cache image in the file\n");
}
h5tools_setstatus(EXIT_SUCCESS);
done:
if(fname)
HDfree(fname);
if(fname_g)
HDfree(fname_g);
H5E_BEGIN_TRY {
H5Pclose(fapl);
H5Fclose(fid);
} H5E_END_TRY
leave(h5tools_getstatus());
} /* main() */
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