mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-01 03:53:33 +00:00
50 lines
2.8 KiB
C
50 lines
2.8 KiB
C
#ifndef COSMOPOLITAN_LIBC_CALLS_IOCTL_H_
|
|
#define COSMOPOLITAN_LIBC_CALLS_IOCTL_H_
|
|
#include "libc/macros.internal.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 __EQUIVALENT(X, Y) (__builtin_constant_p((X) == (Y)) && ((X) == (Y)))
|
|
#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_ */
|