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      1 /*-
      2  * Copyright (c) 2003-2007 Tim Kientzle
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
     15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     17  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
     18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "archive_platform.h"
     27 
     28 #ifdef HAVE_SYS_STAT_H
     29 #include <sys/stat.h>
     30 #endif
     31 #ifdef HAVE_ERRNO_H
     32 #include <errno.h>
     33 #endif
     34 #ifdef HAVE_FCNTL_H
     35 #include <fcntl.h>
     36 #endif
     37 #ifdef HAVE_STDLIB_H
     38 #include <stdlib.h>
     39 #endif
     40 #ifdef HAVE_STRING_H
     41 #include <string.h>
     42 #endif
     43 #ifdef HAVE_UNISTD_H
     44 #include <unistd.h>
     45 #endif
     46 
     47 #include "archive.h"
     48 
     49 struct write_FILE_data {
     50 	FILE		*f;
     51 };
     52 
     53 static int	file_free(struct archive *, void *);
     54 static int	file_open(struct archive *, void *);
     55 static ssize_t	file_write(struct archive *, void *, const void *buff, size_t);
     56 
     57 int
     58 archive_write_open_FILE(struct archive *a, FILE *f)
     59 {
     60 	struct write_FILE_data *mine;
     61 
     62 	mine = malloc(sizeof(*mine));
     63 	if (mine == NULL) {
     64 		archive_set_error(a, ENOMEM, "No memory");
     65 		return (ARCHIVE_FATAL);
     66 	}
     67 	mine->f = f;
     68 	return (archive_write_open2(a, mine, file_open, file_write,
     69 	    NULL, file_free));
     70 }
     71 
     72 static int
     73 file_open(struct archive *a, void *client_data)
     74 {
     75 	(void)a; /* UNUSED */
     76 	(void)client_data; /* UNUSED */
     77 
     78 	return (ARCHIVE_OK);
     79 }
     80 
     81 static ssize_t
     82 file_write(struct archive *a, void *client_data, const void *buff, size_t length)
     83 {
     84 	struct write_FILE_data	*mine;
     85 	size_t	bytesWritten;
     86 
     87 	mine = client_data;
     88 	bytesWritten = fwrite(buff, 1, length, mine->f);
     89 	if (bytesWritten != length) {
     90 		archive_set_error(a, errno, "Write error");
     91 		return (-1);
     92 	}
     93 	return (bytesWritten);
     94 }
     95 
     96 static int
     97 file_free(struct archive *a, void *client_data)
     98 {
     99 	(void)a; /* UNUSED */
    100 	free(client_data);
    101 	return (ARCHIVE_OK);
    102 }
    103