mirror of
https://github.com/autc04/Retro68.git
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132 lines
2.0 KiB
C
132 lines
2.0 KiB
C
#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/syscall.h>
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#include <_ansi.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdarg.h>
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#include <reent.h>
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_ssize_t
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_read_r (struct _reent *r, int fd, void *buf, size_t nbytes)
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{
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int err;
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_ssize_t rc;
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SYSCALL (SYS_read, rc, err, fd, buf, nbytes);
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if (err)
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__errno_r (r) = err;
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return rc;
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}
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_ssize_t
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_write_r (struct _reent *r, int fd, const void *buf, size_t nbytes)
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{
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int err;
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_ssize_t rc;
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SYSCALL (SYS_write, rc, err, fd, buf, nbytes);
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if (err)
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__errno_r (r) = err;
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return rc;
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}
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/* FIXME: The prototype in <fcntl.h> for open() uses ...,
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but reent.h uses int. */
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int
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_open_r (struct _reent *r, const char *buf, int flags, int mode)
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{
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int rc,err;
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#if 0
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int mode;
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va_list ap;
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va_start (ap, flags);
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mode = va_arg (ap, int);
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va_end (ap);
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#endif
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SYSCALL (SYS_open, rc, err, buf, flags, mode);
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if (err)
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__errno_r (r) = err;
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return rc;
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}
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int
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_close_r (struct _reent *r, int fd)
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{
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int rc,err;
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SYSCALL (SYS_close, rc, err, fd, 0, 0);
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if (err)
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__errno_r (r) = err;
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return rc;
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}
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off_t
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_lseek_r (struct _reent *r, int fd, off_t offset, int whence)
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{
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int err;
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off_t rc;
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SYSCALL (SYS_lseek, rc, err, fd, offset, whence);
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if (err)
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__errno_r (r) = err;
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return rc;
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}
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int
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_fstat_r (struct _reent *r, int fd, struct stat *buf)
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{
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int rc,err;
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SYSCALL (SYS_fstat, rc, err, fd, buf, 0);
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if (err)
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__errno_r (r) = err;
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return rc;
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}
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/* FIXME: Shouldn't this be _exit_r? */
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void
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_exit (int ret)
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{
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int rc,err;
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SYSCALL (SYS_exit, rc, err, ret, 0, 0);
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/* If that failed, use an infinite loop. */
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while (1)
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continue;
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}
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time_t
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_time (time_t *timer)
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{
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return 0;
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}
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int
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_creat_r (struct _reent *r, const char *path, int mode)
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{
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return _open_r (r, path, O_CREAT | O_TRUNC, mode);
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}
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int
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_getpid_r (struct _reent *r)
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{
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return 42;
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}
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int
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_kill_r (struct _reent *r, int pid, int sig)
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{
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int rc,err;
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SYSCALL (SYS_kill, rc, err, pid, sig, 0);
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if (err)
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__errno_r (r) = err;
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return rc;
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}
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