[ac7d5ef0] | 1 | /* |
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| 2 | * RTEMS Fake System Calls |
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| 3 | * |
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| 4 | * This file contains "fake" versions of the system call routines |
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| 5 | * which are reference by many libc implementations. Once a routine |
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| 6 | * has been implemented in terms of RTEMS services, it should be |
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| 7 | * taken out of this file. |
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| 8 | * |
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[60b791ad] | 9 | * COPYRIGHT (c) 1989-1998. |
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[ac7d5ef0] | 10 | * On-Line Applications Research Corporation (OAR). |
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[03f2154e] | 11 | * Copyright assigned to U.S. Government, 1994. |
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[ac7d5ef0] | 12 | * |
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[98e4ebf5] | 13 | * The license and distribution terms for this file may be |
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| 14 | * found in the file LICENSE in this distribution or at |
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[03f2154e] | 15 | * http://www.OARcorp.com/rtems/license.html. |
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[ac7d5ef0] | 16 | * |
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| 17 | * $Id$ |
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| 18 | * |
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| 19 | */ |
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| 20 | |
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| 21 | #include <sys/types.h> |
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| 22 | #include <sys/stat.h> |
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[331d9e3b] | 23 | #include <assert.h> |
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[dcec5a4] | 24 | #include <errno.h> |
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| 25 | #include <string.h> |
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| 26 | #include <stdio.h> /* only for puts */ |
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[ac7d5ef0] | 27 | |
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[41c58154] | 28 | #include <rtems.h> |
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[4dc0fd6] | 29 | #include <rtems/libio.h> |
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[41c58154] | 30 | |
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| 31 | #ifdef RTEMS_NEWLIB |
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[217e398] | 32 | |
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[dcec5a4] | 33 | int __rtems_fstat(int _fd, struct stat* _sbuf) |
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[ac7d5ef0] | 34 | { |
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[217e398] | 35 | #ifdef HAVE_BLKSIZE |
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| 36 | _sbuf->st_blksize = 0; |
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| 37 | #endif |
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[4dc0fd6] | 38 | |
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| 39 | /* |
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| 40 | * For now assume stdin/stdout/stderr are always a TTY line |
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[866c465f] | 41 | * |
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| 42 | * From Eric Norum: |
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| 43 | * |
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| 44 | * The `fix' is not complete. It still doesn't properly handle |
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| 45 | * file descriptors for any files/devices other than the console |
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| 46 | * serial lines..... |
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[4dc0fd6] | 47 | */ |
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| 48 | if (_fd <= 2) { |
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| 49 | _sbuf->st_mode = S_IFCHR; |
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| 50 | } else { |
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| 51 | switch (rtems_file_descriptor_type (_fd)) { |
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[9646d5be] | 52 | case RTEMS_FILE_DESCRIPTOR_TYPE_FILE: |
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| 53 | _sbuf->st_mode = S_IFREG; |
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| 54 | break; |
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| 55 | |
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[4dc0fd6] | 56 | case RTEMS_FILE_DESCRIPTOR_TYPE_SOCKET: |
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[ece79bb1] | 57 | #if !defined(__GO32__) |
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[4dc0fd6] | 58 | _sbuf->st_mode = S_IFSOCK; |
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| 59 | break; |
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[ece79bb1] | 60 | #endif |
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[4dc0fd6] | 61 | |
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| 62 | default: |
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[9646d5be] | 63 | puts( "__rtems_fstat -- unknown file descriptor type" ); |
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[4dc0fd6] | 64 | assert( 0 ); |
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| 65 | } |
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| 66 | } |
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[217e398] | 67 | return 0; |
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[ac7d5ef0] | 68 | } |
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| 69 | |
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[41c58154] | 70 | #if !defined(RTEMS_UNIX) |
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[ac7d5ef0] | 71 | int stat( const char *path, struct stat *buf ) |
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| 72 | { |
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[331d9e3b] | 73 | if ( strncmp( "/dev/", path, 5 ) ) { |
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[c6126e57] | 74 | return -1; |
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[331d9e3b] | 75 | } |
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[dcec5a4] | 76 | return __rtems_fstat( 0, buf ); |
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[ac7d5ef0] | 77 | } |
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| 78 | |
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| 79 | int link( const char *existing, const char *new ) |
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| 80 | { |
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| 81 | /* always fail */ |
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| 82 | return -1; |
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| 83 | } |
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| 84 | |
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| 85 | int unlink( const char *path ) |
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| 86 | { |
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| 87 | /* always fail */ |
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| 88 | return -1; |
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| 89 | } |
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| 90 | |
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[334b01f1] | 91 | char *getcwd( char *_buf, size_t _size) |
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| 92 | { |
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[dcec5a4] | 93 | /* assert( FALSE ); */ |
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| 94 | errno = ENOSYS; |
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| 95 | return 0; |
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| 96 | } |
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[725f310] | 97 | |
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[dcec5a4] | 98 | int fork() { |
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| 99 | puts( "fork -- not supported!!!" ); |
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| 100 | assert( 0 ); |
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| 101 | errno = ENOSYS; |
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| 102 | return -1; |
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| 103 | } |
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[d37ea462] | 104 | #if 0 |
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[dcec5a4] | 105 | int execv(const char *_path, char * const _argv[] ) { |
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| 106 | puts( "execv -- not supported!!!" ); |
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| 107 | assert( 0 ); |
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| 108 | errno = ENOSYS; |
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| 109 | return -1; |
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| 110 | } |
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[d37ea462] | 111 | #endif |
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[dcec5a4] | 112 | int wait() { |
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| 113 | puts( "wait -- not supported!!!" ); |
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| 114 | assert( 0 ); |
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| 115 | errno = ENOSYS; |
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| 116 | return -1; |
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| 117 | } |
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[41c58154] | 118 | #endif |
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[dcec5a4] | 119 | |
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[ac7d5ef0] | 120 | #endif |
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