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
archive_write_open_FILE(struct archive * a,FILE * f)58 archive_write_open_FILE(struct archive *a, FILE *f)
59 {
60 struct write_FILE_data *mine;
61
62 mine = (struct write_FILE_data *)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
file_open(struct archive * a,void * client_data)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
file_write(struct archive * a,void * client_data,const void * buff,size_t length)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 for (;;) {
89 bytesWritten = fwrite(buff, 1, length, mine->f);
90 if (bytesWritten <= 0) {
91 if (errno == EINTR)
92 continue;
93 archive_set_error(a, errno, "Write error");
94 return (-1);
95 }
96 return (bytesWritten);
97 }
98 }
99
100 static int
file_free(struct archive * a,void * client_data)101 file_free(struct archive *a, void *client_data)
102 {
103 struct write_FILE_data *mine = client_data;
104
105 (void)a; /* UNUSED */
106 if (mine == NULL)
107 return (ARCHIVE_OK);
108 free(mine);
109 return (ARCHIVE_OK);
110 }
111