diff options
Diffstat (limited to 'tools/h5jam/h5jam.c')
| -rw-r--r-- | tools/h5jam/h5jam.c | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/tools/h5jam/h5jam.c b/tools/h5jam/h5jam.c index 4509734..ae45714 100644 --- a/tools/h5jam/h5jam.c +++ b/tools/h5jam/h5jam.c @@ -21,7 +21,7 @@ /* Name of tool */ #define PROGRAMNAME "h5jam" -hsize_t write_pad (int, hsize_t); +herr_t write_pad(int ofile, hsize_t old_where, hsize_t *new_where); hsize_t compute_user_block_size (hsize_t); hsize_t copy_some_to_file (int, int, hsize_t, hsize_t, ssize_t); void parse_command_line (int, const char *[]); @@ -380,7 +380,13 @@ main (int argc, const char *argv[]) where = copy_some_to_file (ufid, ofid, (hsize_t) 0, startub, (ssize_t) - 1); /* pad the ub */ - where = write_pad (ofid, where); + if(write_pad(ofid, where, &where) < 0) { + error_msg("Can't pad file \"%s\"\n", output_file); + HDclose (h5fid); + HDclose (ufid); + HDclose (ofid); + leave (EXIT_FAILURE); + } /* end if */ if(ub_file) HDfree (ub_file); @@ -534,25 +540,32 @@ compute_user_block_size(hsize_t ublock_size) /* * Write zeroes to fill the file from 'where' to 512, 1024, etc. bytes. * - * Returns the size of the padded file. + * Sets new_where to the size of the padded file and + * returns SUCCEED/FAIL. */ -hsize_t -write_pad(int ofile, hsize_t where) +herr_t +write_pad(int ofile, hsize_t old_where, hsize_t *new_where) { unsigned int i; char buf[1]; hsize_t psize; + HDassert(new_where); + buf[0] = '\0'; - HDlseek(ofile, (off_t) where, SEEK_SET); + HDlseek(ofile, (off_t)old_where, SEEK_SET); - psize = compute_user_block_size (where); - psize -= where; + psize = compute_user_block_size(old_where); + psize -= old_where; for(i = 0; i < psize; i++) - HDwrite (ofile, buf, 1); + if(HDwrite(ofile, buf, 1) < 0) + return FAIL; - return(where + psize); /* the new size of the file. */ -} + /* Set the new size of the file. */ + *new_where = old_where + psize; + + return SUCCEED; +} /* end write_pad() */ |