4.104.114.84.95
Last change
on this file since 1442144d was
a02224e,
checked in by Joel Sherrill <joel.sherrill@…>, on 01/04/02 at 18:29:37
|
2002-01-04 Ralf Corsepius <corsepiu@…>
- include/rtems/libio_.h: Remove set_errno_and_return_minus_one.
- libc/cfsetispeed.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/cfsetospeed.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/chdir.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/chmod.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/chown.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/chroot.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/closedir.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/eval.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/fchdir.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/fchmod.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/fdatasync.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/fpathconf.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/fstat.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/fsync.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/ftruncate.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/getdents.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/ioctl.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/link.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/lseek.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/mknod.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/open.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/read.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/readlink.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/rmdir.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/stat.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/symlink.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/tcsetattr.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/telldir.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/ttyname.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/ttyname_r.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/unlink.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/unmount.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/utime.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/write.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
|
-
Property mode set to
100644
|
File size:
1.3 KB
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Line | |
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1 | /* |
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2 | * read() - POSIX 1003.1b 6.4.1 - Read From a File |
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3 | * |
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4 | * COPYRIGHT (c) 1989-1999. |
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5 | * On-Line Applications Research Corporation (OAR). |
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6 | * |
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7 | * The license and distribution terms for this file may be |
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8 | * found in the file LICENSE in this distribution or at |
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9 | * http://www.OARcorp.com/rtems/license.html. |
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10 | * |
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11 | * $Id$ |
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12 | */ |
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13 | |
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14 | #if HAVE_CONFIG_H |
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15 | #include "config.h" |
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16 | #endif |
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17 | |
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18 | #include <rtems/libio_.h> |
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19 | #include <rtems/seterr.h> |
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20 | |
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21 | ssize_t read( |
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22 | int fd, |
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23 | void *buffer, |
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24 | size_t count |
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25 | ) |
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26 | { |
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27 | int rc; /* XXX change to a size_t when prototype is fixed */ |
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28 | rtems_libio_t *iop; |
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29 | |
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30 | rtems_libio_check_fd( fd ); |
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31 | iop = rtems_libio_iop( fd ); |
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32 | rtems_libio_check_is_open(iop); |
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33 | rtems_libio_check_buffer( buffer ); |
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34 | rtems_libio_check_count( count ); |
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35 | rtems_libio_check_permissions( iop, LIBIO_FLAGS_READ ); |
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36 | |
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37 | /* |
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38 | * Now process the read(). |
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39 | */ |
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40 | |
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41 | if ( !iop->handlers->read_h ) |
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42 | rtems_set_errno_and_return_minus_one( ENOTSUP ); |
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43 | |
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44 | rc = (*iop->handlers->read_h)( iop, buffer, count ); |
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45 | |
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46 | if ( rc > 0 ) |
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47 | iop->offset += rc; |
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48 | |
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49 | return rc; |
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50 | } |
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51 | |
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52 | /* |
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53 | * _read_r |
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54 | * |
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55 | * This is the Newlib dependent reentrant version of read(). |
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56 | */ |
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57 | |
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58 | #if defined(RTEMS_NEWLIB) |
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59 | |
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60 | #include <reent.h> |
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61 | |
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62 | _ssize_t _read_r( |
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63 | struct _reent *ptr, |
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64 | int fd, |
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65 | void *buf, |
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66 | size_t nbytes |
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67 | ) |
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68 | { |
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69 | return read( fd, buf, nbytes ); |
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70 | } |
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71 | #endif |
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