diff options
Diffstat (limited to 'libbb/copy_file_chunk.c')
-rw-r--r-- | libbb/copy_file_chunk.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/libbb/copy_file_chunk.c b/libbb/copy_file_chunk.c deleted file mode 100644 index 63d2ab1..0000000 --- a/libbb/copy_file_chunk.c +++ /dev/null @@ -1,70 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * Utility routines. - * - * Copyright (C) many different people. If you wrote this, please - * acknowledge your work. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - */ - -#include <stdio.h> -#include <sys/stat.h> -#include "libbb.h" - -/* Copy CHUNKSIZE bytes (or until EOF if CHUNKSIZE equals -1) from SRC_FILE - * to DST_FILE. */ -extern int copy_file_chunk(FILE *src_file, FILE *dst_file, unsigned long long chunksize) -{ - size_t nread, nwritten, size; - char buffer[BUFSIZ]; - - while (chunksize != 0) { - if (chunksize > BUFSIZ) - size = BUFSIZ; - else - size = chunksize; - - nread = fread (buffer, 1, size, src_file); - - if (nread != size && ferror (src_file)) { - perror_msg ("read"); - return -1; - } else if (nread == 0) { - if (chunksize != -1) { - error_msg ("Unable to read all data"); - return -1; - } - - return 0; - } - - nwritten = fwrite (buffer, 1, nread, dst_file); - - if (nwritten != nread) { - if (ferror (dst_file)) - perror_msg ("write"); - else - error_msg ("Unable to write all data"); - return -1; - } - - if (chunksize != -1) - chunksize -= nwritten; - } - - return 0; -} |