mirror of
https://github.com/autc04/Retro68.git
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84 lines
951 B
C
84 lines
951 B
C
#include <sys/types.h>
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#include <sys/stat.h>
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static char *heap_end = 0;
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int
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brk (void *ptr)
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{
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heap_end = ptr;
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return 0;
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}
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caddr_t
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sbrk (int amt)
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{
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extern char end;
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char *prev_heap_end;
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if (heap_end == 0)
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heap_end = &end;
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prev_heap_end = heap_end;
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heap_end += amt;
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return ((caddr_t) prev_heap_end);
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}
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int
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isatty (int file)
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{
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return file<3;
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}
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int
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fstat (int file, struct stat *st)
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{
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st->st_mode = S_IFCHR;
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return 0;
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}
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int
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stat (const char *filename, struct stat *st)
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{
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st->st_mode = S_IFCHR;
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return 0;
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}
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int
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lseek (int fd, off_t offset, int type)
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{
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return _sys_lseek (fd, offset, type);
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}
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int
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open (char *file, int mode, int perms)
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{
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return _sys_open (file, mode, perms);
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}
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int
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close (int fd)
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{
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return _sys_close (fd);
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}
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int
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getpid ()
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{
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return -1;
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}
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int
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kill (int pid, int signal)
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{
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exit (signal);
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}
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#if 0
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/* This conflicts with the abort defined in newlib. */
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void
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abort ()
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{
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exit (6);
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}
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#endif
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