| Revision 12455,
1.0 KB
checked in by danw, 26 years ago
(diff) |
|
This commit was generated by cvs2svn to compensate for changes in r12454,
which included commits to RCS files with non-trunk default branches.
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| 1 | |
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| 2 | /* |
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| 3 | * discard.c -- discard output on a file pointer |
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| 4 | * |
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| 5 | * $Id: discard.c,v 1.1.1.1 1999-02-07 18:14:08 danw Exp $ |
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| 6 | */ |
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| 7 | |
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| 8 | #include <h/mh.h> |
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| 9 | |
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| 10 | #ifdef HAVE_TERMIOS_H |
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| 11 | # include <termios.h> |
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| 12 | #else |
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| 13 | # ifdef HAVE_TERMIO_H |
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| 14 | # include <termio.h> |
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| 15 | # else |
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| 16 | # include <sgtty.h> |
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| 17 | # endif |
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| 18 | #endif |
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| 19 | |
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| 20 | #ifdef SCO_5_STDIO |
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| 21 | # define _ptr __ptr |
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| 22 | # define _cnt __cnt |
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| 23 | # define _base __base |
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| 24 | # define _filbuf(fp) ((fp)->__cnt = 0, __filbuf(fp)) |
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| 25 | #endif |
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| 26 | |
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| 27 | |
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| 28 | void |
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| 29 | discard (FILE *io) |
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| 30 | { |
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| 31 | #ifndef HAVE_TERMIOS_H |
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| 32 | # ifdef HAVE_TERMIO_H |
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| 33 | struct termio tio; |
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| 34 | # else |
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| 35 | struct sgttyb tio; |
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| 36 | # endif |
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| 37 | #endif |
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| 38 | |
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| 39 | if (io == NULL) |
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| 40 | return; |
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| 41 | |
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| 42 | #ifdef HAVE_TERMIOS_H |
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| 43 | tcflush (fileno(io), TCOFLUSH); |
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| 44 | #else |
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| 45 | # ifdef HAVE_TERMIO_H |
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| 46 | if (ioctl (fileno(io), TCGETA, &tio) != -1) |
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| 47 | ioctl (fileno(io), TCSETA, &tio); |
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| 48 | # else |
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| 49 | if (ioctl (fileno(io), TIOCGETP, (char *) &tio) != -1) |
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| 50 | ioctl (fileno(io), TIOCSETP, (char *) &tio); |
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| 51 | # endif |
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| 52 | #endif |
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| 53 | |
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| 54 | #ifdef _FSTDIO |
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| 55 | fpurge (io); |
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| 56 | #else |
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| 57 | # ifdef LINUX_STDIO |
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| 58 | io->_IO_write_ptr = io->_IO_write_base; |
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| 59 | # else |
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| 60 | if ((io->_ptr = io->_base)) |
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| 61 | io->_cnt = 0; |
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| 62 | # endif |
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| 63 | #endif |
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| 64 | } |
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| 65 | |
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