| 1 | /*
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| 2 | * Copyright (c) 2011 Jiri Zarevucky
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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 libposix
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| 30 | * @{
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| 31 | */
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| 32 | /** @file Helper definitions common for all libposix files.
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| 33 | */
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| 34 |
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| 35 | #ifndef LIBPOSIX_COMMON_H_
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| 36 | #define LIBPOSIX_COMMON_H_
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| 37 |
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| 38 | #include <stdio.h>
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| 39 | #include <stdlib.h>
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| 40 | #include <errno.h>
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| 41 | #include <offset.h>
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| 42 | #include <vfs/vfs.h>
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| 43 |
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| 44 | #define not_implemented() do { \
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| 45 | static int __not_implemented_counter = 0; \
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| 46 | if (__not_implemented_counter == 0) { \
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| 47 | fprintf(stderr, "%s() not implemented in %s:%d, something will NOT work.\n", \
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| 48 | __func__, __FILE__, __LINE__); \
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| 49 | } \
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| 50 | __not_implemented_counter++; \
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| 51 | } while (0)
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| 52 |
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| 53 | // Just a marker for external tools.
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| 54 | #define _HIDE_LIBC_SYMBOL(symbol)
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| 55 |
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| 56 | /** Checks if the value is a failing error code.
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| 57 | *
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| 58 | * If so, writes the error code to errno and returns true.
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| 59 | */
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| 60 | static inline bool failed(int rc)
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| 61 | {
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| 62 | if (rc != EOK) {
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| 63 | errno = rc;
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| 64 | return true;
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| 65 | }
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| 66 | return false;
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| 67 | }
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| 68 |
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| 69 | // TODO: Remove this arbitrary limit.
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| 70 | #define VFS_MAX_OPEN_FILES 128
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| 71 |
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| 72 | extern aoff64_t posix_pos[VFS_MAX_OPEN_FILES];
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| 73 |
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| 74 | #endif /* LIBPOSIX_COMMON_H_ */
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| 75 |
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| 76 | /** @}
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| 77 | */
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