diff options
Diffstat (limited to 'src/libs/3rdparty/libarchive/archive_write_set_format_raw.c')
| -rw-r--r-- | src/libs/3rdparty/libarchive/archive_write_set_format_raw.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/libs/3rdparty/libarchive/archive_write_set_format_raw.c b/src/libs/3rdparty/libarchive/archive_write_set_format_raw.c new file mode 100644 index 000000000..feff93697 --- /dev/null +++ b/src/libs/3rdparty/libarchive/archive_write_set_format_raw.c @@ -0,0 +1,125 @@ +/*- + * Copyright (c) 2013 Marek Kubica + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "archive_platform.h" + +#ifdef HAVE_ERRNO_H +#include <errno.h> +#endif + +#include "archive_entry.h" +#include "archive_write_private.h" + +static ssize_t archive_write_raw_data(struct archive_write *, + const void *buff, size_t s); +static int archive_write_raw_free(struct archive_write *); +static int archive_write_raw_header(struct archive_write *, + struct archive_entry *); + +struct raw { + int entries_written; +}; + +/* + * Set output format to 'raw' format. + */ +int +archive_write_set_format_raw(struct archive *_a) +{ + struct archive_write *a = (struct archive_write *)_a; + struct raw *raw; + + archive_check_magic(_a, ARCHIVE_WRITE_MAGIC, + ARCHIVE_STATE_NEW, "archive_write_set_format_raw"); + + /* If someone else was already registered, unregister them. */ + if (a->format_free != NULL) + (a->format_free)(a); + + raw = (struct raw *)calloc(1, sizeof(*raw)); + if (raw == NULL) { + archive_set_error(&a->archive, ENOMEM, "Can't allocate raw data"); + return (ARCHIVE_FATAL); + } + raw->entries_written = 0; + a->format_data = raw; + a->format_name = "raw"; + /* no options exist for this format */ + a->format_options = NULL; + a->format_write_header = archive_write_raw_header; + a->format_write_data = archive_write_raw_data; + a->format_finish_entry = NULL; + /* nothing needs to be done on closing */ + a->format_close = NULL; + a->format_free = archive_write_raw_free; + a->archive.archive_format = ARCHIVE_FORMAT_RAW; + a->archive.archive_format_name = "RAW"; + return (ARCHIVE_OK); +} + +static int +archive_write_raw_header(struct archive_write *a, struct archive_entry *entry) +{ + struct raw *raw = (struct raw *)a->format_data; + + if (archive_entry_filetype(entry) != AE_IFREG) { + archive_set_error(&a->archive, ERANGE, + "Raw format only supports filetype AE_IFREG"); + return (ARCHIVE_FATAL); + } + + + if (raw->entries_written > 0) { + archive_set_error(&a->archive, ERANGE, + "Raw format only supports one entry per archive"); + return (ARCHIVE_FATAL); + } + raw->entries_written++; + + return (ARCHIVE_OK); +} + +static ssize_t +archive_write_raw_data(struct archive_write *a, const void *buff, size_t s) +{ + int ret; + + ret = __archive_write_output(a, buff, s); + if (ret >= 0) + return (s); + else + return (ret); +} + +static int +archive_write_raw_free(struct archive_write *a) +{ + struct raw *raw; + + raw = (struct raw *)a->format_data; + free(raw); + a->format_data = NULL; + return (ARCHIVE_OK); +} |