| 1 | /*
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| 2 | * Copyright (c) 2013 Vojtech Horky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libuntar
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #include <str.h>
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| 36 | #include <stdlib.h>
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| 37 | #include <stddef.h>
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| 38 | #include <errno.h>
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| 39 | #include <assert.h>
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| 40 | #include "private/tar.h"
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| 41 |
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| 42 | tar_type_t tar_type_parse(const char type)
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| 43 | {
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| 44 | switch (type) {
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| 45 | case '0':
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| 46 | case 0:
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| 47 | return TAR_TYPE_NORMAL;
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| 48 | case '5':
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| 49 | return TAR_TYPE_DIRECTORY;
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| 50 | default:
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| 51 | return TAR_TYPE_UNKNOWN;
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| 52 | }
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| 53 | }
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| 54 |
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| 55 | const char *tar_type_str(tar_type_t type)
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| 56 | {
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| 57 | switch (type) {
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| 58 | case TAR_TYPE_UNKNOWN:
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| 59 | return "unknown";
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| 60 | case TAR_TYPE_NORMAL:
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| 61 | return "normal";
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| 62 | case TAR_TYPE_DIRECTORY:
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| 63 | return "directory";
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| 64 | default:
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| 65 | assert(false && "unexpected tar_type_t enum value");
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| 66 | return "?";
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| 67 | }
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| 68 | }
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| 69 |
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| 70 | errno_t tar_header_parse(tar_header_t *parsed, const tar_header_raw_t *raw)
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| 71 | {
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| 72 | if (str_code_points(raw->filename) == 0) {
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| 73 | return EEMPTY;
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| 74 | }
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| 75 |
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| 76 | size_t size;
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| 77 | errno_t rc = str_size_t(raw->size, NULL, 8, true, &size);
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| 78 | if (rc != EOK) {
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| 79 | return rc;
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| 80 | }
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| 81 | parsed->size = size;
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| 82 |
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| 83 | str_cpy(parsed->filename, 100, raw->filename);
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| 84 |
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| 85 | parsed->type = tar_type_parse(raw->type);
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| 86 |
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| 87 | return EOK;
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| 88 | }
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| 89 |
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| 90 | /** @}
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| 91 | */
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