66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) tons of folks. Tracking down who wrote what
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* isn't something I'm going to worry about... If you wrote something
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* here, please feel free to acknowledge your work.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
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* Permission has been granted to redistribute this code under the GPL.
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*
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*/
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#include <stdio.h>
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#include <sys/stat.h>
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#include "libbb.h"
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/*
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* Copy chunksize bytes between two file descriptors
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*/
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extern int copy_file_chunk(FILE *src_file, FILE *dst_file, off_t chunksize)
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{
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off_t size, amount_written;
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char buffer[BUFSIZ]; /* BUFSIZ is declared in stdio.h */
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clearerr(src_file);
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clearerr(dst_file);
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while (chunksize > 0) {
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if (chunksize > BUFSIZ) {
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size = BUFSIZ;
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} else {
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size = chunksize;
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}
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amount_written = fwrite(buffer, 1, fread(buffer, 1, size, src_file), dst_file);
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if (amount_written != size) {
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error_msg("Couldnt write correct amount");
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return(FALSE);
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}
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chunksize -= amount_written;
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}
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return (TRUE);
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}
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/* END CODE */
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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