cosmopolitan/libc/calls/ioctl.h

50 lines
2.7 KiB
C

#ifndef COSMOPOLITAN_LIBC_CALLS_IOCTL_H_
#define COSMOPOLITAN_LIBC_CALLS_IOCTL_H_
#include "libc/macros.h"
#include "libc/sysv/consts/termios.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § system calls » ioctl ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
int ioctl(int, uint64_t, void *);
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § system calls » ioctl » undiamonding (size optimization) ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
#define ioctl(FD, REQUEST, MEMORY) ioctl$dispatch(FD, REQUEST, MEMORY)
#define __IOCTL_DISPATCH(CMP, FD, REQUEST, MEMORY) \
do { \
if (CMP(request, TIOCGWINSZ)) return ioctl$tiocgwinsz(FD, MEMORY); \
if (CMP(request, TIOCSWINSZ)) return ioctl$tiocswinsz(FD, MEMORY); \
if (CMP(request, TCGETS)) return ioctl$tcgets(FD, MEMORY); \
if (CMP(request, TCSETS)) return ioctl$tcsets(FD, REQUEST, MEMORY); \
if (CMP(request, TCSETSW)) return ioctl$tcsets(FD, REQUEST, MEMORY); \
if (CMP(request, TCSETSF)) return ioctl$tcsets(FD, REQUEST, MEMORY); \
} while (0)
int ioctl$tcgets(int, void *);
int ioctl$tcgets$nt(int, void *);
int ioctl$tcsets(int, uint64_t, void *);
int ioctl$tcsets$nt(int, uint64_t, void *);
int ioctl$tiocgwinsz(int, void *);
int ioctl$tiocgwinsz$nt(int, void *);
int ioctl$tiocswinsz(int, void *);
int ioctl$tiocswinsz$nt(int, void *);
int ioctl$default(int, uint64_t, void *);
forceinline int ioctl$dispatch(int fd, uint64_t request, void *memory) {
__IOCTL_DISPATCH(EQUIVALENT, fd, request, memory);
return ioctl$default(fd, request, memory);
}
#endif /* GNUC && !ANSI */
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_CALLS_IOCTL_H_ */