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Almathera Ten Pack 2: CDPD 1
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Almathera Ten on Ten - Disc 2: CDPD 1.iso
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pd
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351-375
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351
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pdc
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libsrc.lzh
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LibSrc
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SysIO
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write.c
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C/C++ Source or Header
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1990-04-07
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1KB
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57 lines
/*
* Libraries and headers for PDC release 3.3 (C) 1989 Lionel Hummel.
* PDC Software Distribution (C) 1989 Lionel Hummel and Paul Petersen.
* PDC I/O Library (C) 1987 by J.A. Lydiatt.
*
* This code is freely redistributable upon the conditions that this
* notice remains intact and that modified versions of this file not
* be included as part of the PDC Software Distribution without the
* express consent of the copyright holders. No warrantee of any
* kind is provided with this code. For further information, contact:
*
* PDC Software Distribution Internet: BIX:
* P.O. Box 4006 or hummel@cs.uiuc.edu lhummel
* Urbana, IL 61801-8801 petersen@uicsrd.csrd.uiuc.edu
*/
/* write - writes to a file */
#include <errno.h>
#include <fcntl.h>
#include <exec/types.h>
#include <libraries/dos.h>
#include <functions.h>
extern void Chk_Abort();
write(fd, buf, bufsize)
int fd;
char *buf;
int bufsize;
{
struct _device *p;
extern struct _device *_devtab;
long err;
Chk_Abort();
p = &_devtab[fd];
if ( !( 0 <= fd && fd < _numdev) || !p->_fileHandle) {
errno = EBADF;
return -1;
}
if ( (p->_mode & 0x03) == O_RDONLY) {
errno = EINVAL;
return -1;
}
if ((err = Write((struct FileHandle *) p->_fileHandle, buf, (long)bufsize)) == -1 ) {
errno = IoErr();
return -1;
}
return (int)err;
}