/*------------------------------------------------------------------------- * Function: main * * Purpose: HDF5 user block unjammer * * Return: Success: 0 * Failure: 1 * * Programmer: * * Modifications: * *------------------------------------------------------------------------- */ int main (int argc, const char *argv[]) { char *ifname; void *edata; H5E_auto_t func; hid_t ifile; hsize_t usize; htri_t testval; herr_t status; hid_t plist; /* Disable error reporting */ H5Eget_auto(&func, &edata); H5Eset_auto(NULL, NULL); parse_command_line (argc, argv); if (argc <= (opt_ind)) { error_msg (progname, "missing file name\n"); usage (progname); return (EXIT_FAILURE); } ifname = strdup (argv[opt_ind]); testval = H5Fis_hdf5 (ifname); if (testval <= 0) { error_msg (progname, "Input HDF5 file is not HDF \"%s\"\n", ifname); return (EXIT_FAILURE); } ifile = H5Fopen (ifname, H5F_ACC_RDONLY, H5P_DEFAULT); if (ifile < 0) { error_msg (progname, "Can't open input HDF5 file \"%s\"\n", ifname); return (EXIT_FAILURE); } plist = H5Fget_create_plist (ifile); if (plist < 0) { error_msg (progname, "Can't get file creation plist for file \"%s\"\n", ifname); return (EXIT_FAILURE); } status = H5Pget_userblock (plist, &usize); if (status < 0) { error_msg (progname, "Can't get user block for file \"%s\"\n", ifname); return (EXIT_FAILURE); } printf ("%ld\n", (long) usize); H5Pclose (plist); H5Fclose (ifile); return (EXIT_SUCCESS); }
/*------------------------------------------------------------------------- * Function: main * * Purpose: HDF5 user block jammer * * Return: Success: 0 * Failure: 1 * * Programmer: * * Modifications: * *------------------------------------------------------------------------- */ int main (int argc, const char *argv[]) { int ufid; int h5fid; int ofid; void *edata; H5E_auto2_t func; hid_t ifile; hid_t plist; herr_t status; htri_t testval; hsize_t usize; hsize_t h5fsize; hsize_t startub; hsize_t where; hsize_t newubsize; off_t fsize; struct stat sbuf; struct stat sbuf2; int res; h5tools_setprogname(PROGRAMNAME); h5tools_setstatus(EXIT_SUCCESS); /* Disable error reporting */ H5Eget_auto2(H5E_DEFAULT, &func, &edata); H5Eset_auto2(H5E_DEFAULT, NULL, NULL); parse_command_line (argc, argv); if (ub_file == NULL) { /* no user block */ error_msg("no user block file name\n"); usage (h5tools_getprogname()); exit (EXIT_FAILURE); } if (input_file == NULL) { /* no user block */ error_msg("no HDF5 file\n"); usage (h5tools_getprogname()); exit (EXIT_FAILURE); } testval = H5Fis_hdf5 (input_file); if (testval <= 0) { error_msg("Input HDF5 file is not HDF \"%s\"\n", input_file); exit (EXIT_FAILURE); } ifile = H5Fopen (input_file, H5F_ACC_RDONLY, H5P_DEFAULT); if (ifile < 0) { error_msg("Can't open input HDF5 file \"%s\"\n", input_file); exit (EXIT_FAILURE); } plist = H5Fget_create_plist (ifile); if (plist < 0) { error_msg("Can't get file creation plist for file \"%s\"\n", input_file); exit (EXIT_FAILURE); } status = H5Pget_userblock (plist, &usize); if (status < 0) { error_msg("Can't get user block for file \"%s\"\n", input_file); exit (EXIT_FAILURE); } H5Pclose (plist); H5Fclose (ifile); ufid = HDopen (ub_file, O_RDONLY, 0); if (ufid < 0) { error_msg("unable to open user block file \"%s\"\n", ub_file); exit (EXIT_FAILURE); } res = stat (ub_file, &sbuf); if (res < 0) { error_msg("Can't stat file \"%s\"\n", ub_file); exit (EXIT_FAILURE); } fsize = sbuf.st_size; h5fid = HDopen (input_file, O_RDONLY, 0); if (h5fid < 0) { error_msg("unable to open HDF5 file for read \"%s\"\n", input_file); exit (EXIT_FAILURE); } res = stat (input_file, &sbuf2); if (res < 0) { error_msg("Can't stat file \"%s\"\n", input_file); exit (EXIT_FAILURE); } h5fsize = sbuf2.st_size; if (output_file == NULL) { ofid = HDopen (input_file, O_WRONLY, 0); if (ofid < 0) { error_msg("unable to open output file \"%s\"\n", output_file); exit (EXIT_FAILURE); } } else { ofid = HDopen (output_file, O_WRONLY | O_CREAT | O_TRUNC, 0644); if (ofid < 0) { error_msg("unable to create output file \"%s\"\n", output_file); exit (EXIT_FAILURE); } } newubsize = compute_user_block_size ((hsize_t) fsize); startub = usize; if (usize > 0) { if (do_clobber == TRUE) { /* where is max of the current size or the new UB */ if (usize > newubsize) { newubsize = usize; } startub = 0; /*blast the old */ } else { /* add new ub to current ublock, pad to new offset */ newubsize += usize; newubsize = compute_user_block_size ((hsize_t) newubsize); } } /* copy the HDF5 from starting at usize to starting at newubsize: * makes room at 'from' for new ub */ /* if no current ub, usize is 0 */ copy_some_to_file (h5fid, ofid, usize, newubsize, (ssize_t) (h5fsize - usize)); /* copy the old ub to the beginning of the new file */ if (!do_clobber) { where = copy_some_to_file (h5fid, ofid, (hsize_t) 0, (hsize_t) 0, (ssize_t) usize); } /* copy the new ub to the end of the ub */ where = copy_some_to_file (ufid, ofid, (hsize_t) 0, startub, (ssize_t) - 1); /* pad the ub */ where = write_pad (ofid, where); HDclose (ufid); HDclose (h5fid); HDclose (ofid); return h5tools_getstatus(); }