| 1 | /*
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| 2 | * Copyright (c) 2011 Jiri Zarevucky
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| 3 | * Copyright (c) 2011 Petr Koupy
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * - Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | * - Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | * - The name of the author may not be used to endorse or promote products
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| 16 | * derived from this software without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | */
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| 29 |
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| 30 | /** @addtogroup libposix
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| 31 | * @{
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| 32 | */
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| 33 | /** @file
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| 34 | */
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| 35 |
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| 36 | #define LIBPOSIX_INTERNAL
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| 37 |
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| 38 | #include "stat.h"
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| 39 | #include <mem.h>
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| 40 |
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| 41 | /**
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| 42 | * Convert HelenOS stat struct into POSIX stat struct (if possible)
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| 43 | *
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| 44 | * @param dest
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| 45 | * @param src
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| 46 | */
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| 47 | static void stat_to_posix(struct posix_stat *dest, struct stat *src)
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| 48 | {
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| 49 | memset(dest, 0, sizeof(struct posix_stat));
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| 50 |
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| 51 | dest->st_dev = src->device;
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| 52 |
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| 53 | /* HelenOS doesn't support permissions, so we set them all */
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| 54 | dest->st_mode = S_IRWXU | S_IRWXG | S_IRWXO;
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| 55 | if (src->is_file) {
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| 56 | dest->st_mode |= S_IFREG;
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| 57 | }
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| 58 | if (src->is_directory) {
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| 59 | dest->st_mode |= S_IFDIR;
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| 60 | }
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| 61 |
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| 62 | dest->st_nlink = src->lnkcnt;
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| 63 | dest->st_size = src->size;
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| 64 | }
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| 65 |
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| 66 | /**
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| 67 | *
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| 68 | * @param fd
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| 69 | * @param st
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| 70 | * @return
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| 71 | */
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| 72 | int posix_fstat(int fd, struct posix_stat *st)
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| 73 | {
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| 74 | struct stat hst;
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| 75 | if (fstat(fd, &hst) == -1) {
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| 76 | // TODO: propagate a POSIX compatible errno
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| 77 | return -1;
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| 78 | }
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| 79 | stat_to_posix(st, &hst);
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| 80 | return 0;
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| 81 | }
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| 82 |
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| 83 | /**
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| 84 | *
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| 85 | * @param path
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| 86 | * @param st
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| 87 | * @return
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| 88 | */
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| 89 | int posix_stat(const char *path, struct posix_stat *st)
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| 90 | {
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| 91 | struct stat hst;
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| 92 | if (stat(path, &hst) == -1) {
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| 93 | // TODO: propagate a POSIX compatible errno
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| 94 | return -1;
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| 95 | }
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| 96 | stat_to_posix(st, &hst);
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| 97 | return 0;
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| 98 | }
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| 99 |
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| 100 | /** @}
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| 101 | */
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