84 lines
951 B
C
84 lines
951 B
C
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
|
|
static char *heap_end = 0;
|
|
|
|
int
|
|
brk (void *ptr)
|
|
{
|
|
heap_end = ptr;
|
|
return 0;
|
|
}
|
|
|
|
caddr_t
|
|
sbrk (int amt)
|
|
{
|
|
extern char end;
|
|
char *prev_heap_end;
|
|
|
|
if (heap_end == 0)
|
|
heap_end = &end;
|
|
prev_heap_end = heap_end;
|
|
heap_end += amt;
|
|
return ((caddr_t) prev_heap_end);
|
|
}
|
|
|
|
int
|
|
isatty (int file)
|
|
{
|
|
return file<3;
|
|
}
|
|
|
|
int
|
|
fstat (int file, struct stat *st)
|
|
{
|
|
st->st_mode = S_IFCHR;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
stat (const char *filename, struct stat *st)
|
|
{
|
|
st->st_mode = S_IFCHR;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
lseek (int fd, off_t offset, int type)
|
|
{
|
|
return _sys_lseek (fd, offset, type);
|
|
}
|
|
|
|
int
|
|
open (char *file, int mode, int perms)
|
|
{
|
|
return _sys_open (file, mode, perms);
|
|
}
|
|
|
|
int
|
|
close (int fd)
|
|
{
|
|
return _sys_close (fd);
|
|
}
|
|
|
|
int
|
|
getpid ()
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
kill (int pid, int signal)
|
|
{
|
|
exit (signal);
|
|
}
|
|
|
|
#if 0
|
|
/* This conflicts with the abort defined in newlib. */
|
|
void
|
|
abort ()
|
|
{
|
|
exit (6);
|
|
}
|
|
#endif
|