1 | #if !defined(RTEMS_UNIX) |
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2 | |
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3 | /* |
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4 | * RTEMS Fake System Calls |
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5 | * |
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6 | * This file contains "fake" versions of the system call routines |
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7 | * which are reference by many libc implementations. Once a routine |
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8 | * has been implemented in terms of RTEMS services, it should be |
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9 | * taken out of this file. |
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10 | * |
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11 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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12 | * On-Line Applications Research Corporation (OAR). |
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13 | * All rights assigned to U.S. Government, 1994. |
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14 | * |
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15 | * This material may be reproduced by or for the U.S. Government pursuant |
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16 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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17 | * notice must appear in all copies of this file and its derivatives. |
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18 | * |
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19 | * $Id$ |
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20 | * |
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21 | */ |
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22 | |
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23 | #include <sys/types.h> |
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24 | #include <sys/stat.h> |
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25 | #include <assert.h> |
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26 | |
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27 | /* |
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28 | * fstat, stat, and isatty must lie consistently and report that everything |
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29 | * is a tty or stdout will not be line buffered. |
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30 | */ |
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31 | |
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32 | int __fstat(int _fd, struct stat* _sbuf) |
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33 | { |
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34 | if ( _fd > 2 ) { |
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35 | puts( "__fstat -- only stdio supported" ); |
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36 | assert( 0 ); |
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37 | } |
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38 | _sbuf->st_mode = S_IFCHR; |
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39 | #ifdef HAVE_BLKSIZE |
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40 | _sbuf->st_blksize = 0; |
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41 | #endif |
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42 | return 0; |
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43 | } |
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44 | |
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45 | int __isatty(int _fd) |
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46 | { |
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47 | return 1; |
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48 | } |
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49 | |
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50 | int stat( const char *path, struct stat *buf ) |
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51 | { |
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52 | if ( strncmp( "/dev/", path, 5 ) ) { |
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53 | return -1; |
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54 | } |
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55 | return __fstat( 0, buf ); |
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56 | } |
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57 | |
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58 | int link( const char *existing, const char *new ) |
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59 | { |
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60 | /* always fail */ |
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61 | return -1; |
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62 | } |
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63 | |
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64 | int unlink( const char *path ) |
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65 | { |
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66 | /* always fail */ |
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67 | return -1; |
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68 | } |
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69 | |
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70 | #endif |
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