mirror of
https://github.com/matrix-construct/construct
synced 2024-11-16 23:10:54 +01:00
373 lines
8 KiB
C
373 lines
8 KiB
C
#ifndef _RB_SYSTEM_H
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#define _RB_SYSTEM_H 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef HAVE_IPV6
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#define RB_IPV6 1
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#endif
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#ifdef HAVE_STDBOOL_H
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#include <stdbool.h>
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#else
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#ifndef HAVE__BOOL
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#ifdef __cplusplus
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typedef bool _Bool;
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#else
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#define _Bool signed char
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#endif
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#endif
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#define bool _Bool
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#define false 0
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#define true 1
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#define __bool_true_false_are_defined 1
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#endif
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#ifdef __GNUC__
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#undef alloca
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#define alloca __builtin_alloca
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#else
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# ifdef _MSC_VER
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# include <malloc.h>
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# define alloca _alloca
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# else
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# if RB_HAVE_ALLOCA_H
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# include <alloca.h>
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# else
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# ifdef _AIX
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#pragma alloca
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# else
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# ifndef alloca /* predefined by HP cc +Olibcalls */
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char *alloca();
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# endif
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# endif
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# endif
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# endif
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#endif /* __GNUC__ */
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#ifdef __GNUC__
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/*
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* This ensures that __attribute__((deprecated)) is not used in for example
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* sun CC, since it's a GNU-specific extension. -nenolod
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*/
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#ifdef __GNUC__
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#define IRC_DEPRECATED __attribute__((deprecated))
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#else
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#define IRC_DEPRECATED
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#endif
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#ifdef rb_likely
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#undef rb_likely
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#endif
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#ifdef rb_unlikely
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#undef rb_unlikely
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#endif
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#if __GNUC__ == 2 && __GNUC_MINOR__ < 96
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# define __builtin_expect(x, expected_value) (x)
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#endif
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#define rb_likely(x) __builtin_expect(!!(x), 1)
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#define rb_unlikely(x) __builtin_expect(!!(x), 0)
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#define likely(x) __builtin_expect(!!(x), 1)
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#define unlikely(x) __builtin_expect(!!(x), 0)
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#else /* !__GNUC__ */
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#define UNUSED(x) x
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#ifdef rb_likely
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#undef rb_likely
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#endif
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#ifdef rb_unlikely
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#undef rb_unlikely
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#endif
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#define rb_likely(x) (x)
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#define rb_unlikely(x) (x)
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#endif
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#if defined(__INTEL_COMPILER) || defined(__GNUC__)
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#ifdef __unused
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#undef __unused
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#endif
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#ifdef __printf
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#undef __printf
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#endif
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#ifdef __noreturn
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#undef __noreturn
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#endif
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#define __unused __attribute__((__unused__))
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#define __printf(x) __attribute__((__format__ (__printf__, x, x + 1)))
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#define __noreturn __attribute__((__noreturn__))
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#else
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#ifndef __unused
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#define __unused
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#endif
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#ifndef __printf
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#define __printf
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#endif
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#ifndef __noreturn
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#define __noreturn
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#endif
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#endif
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#ifdef _WIN32
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#define rb_get_errno() do { errno = WSAGetLastError(); WSASetLastError(errno); } while(0)
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typedef SOCKET rb_platform_fd_t;
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#define RB_PATH_SEPARATOR '\\'
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#else
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#define rb_get_errno()
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typedef int rb_platform_fd_t;
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#define RB_PATH_SEPARATOR '/'
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#endif
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#ifdef _WIN32
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#include <process.h>
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#ifndef PATH_MAX
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#define PATH_MAX 128
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#endif
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#ifdef strerror
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#undef strerror
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#endif
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#define strerror(x) rb_strerror(x)
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char *rb_strerror(int error);
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#undef ENOBUFS
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#define ENOBUFS WSAENOBUFS
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#undef EINPROGRESS
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#define EINPROGRESS WSAEINPROGRESS
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#undef EWOULDBLOCK
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#define EWOULDBLOCK WSAEWOULDBLOCK
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#undef EMSGSIZE
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#define EMSGSIZE WSAEMSGSIZE
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#undef EALREADY
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#define EALREADY WSAEALREADY
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#undef EISCONN
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#define EISCONN WSAEISCONN
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#undef EADDRINUSE
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#define EADDRINUSE WSAEADDRINUSE
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#undef EAFNOSUPPORT
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#define EAFNOSUPPORT WSAEAFNOSUPPORT
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#define pipe(x) _pipe(x, 1024, O_BINARY)
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#define ioctl(x,y,z) ioctlsocket(x,y, (unsigned long *)z)
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#define WNOHANG 1
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#ifndef SIGKILL
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#define SIGKILL SIGTERM
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#endif
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#endif /* _WIN32 */
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#ifndef HOSTIPLEN
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#define HOSTIPLEN 53
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#endif
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#ifdef __GNUC__
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#define slrb_assert(expr) do \
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{ \
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if(rb_unlikely(!(expr))) \
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{ \
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rb_lib_log("file: %s line: %d (%s): Assertion failed: (%s)", \
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__FILE__, __LINE__, __PRETTY_FUNCTION__, #expr); \
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rb_backtrace_log_symbols(); \
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} \
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} \
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while(0)
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#else
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#define slrb_assert(expr) do \
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if(rb_unlikely(!(expr))) { \
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rb_lib_log( \
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"file: %s line: %d: Assertion failed: (%s)", \
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__FILE__, __LINE__, #expr); \
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} \
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while(0)
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#endif
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#ifdef SOFT_ASSERT
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#define lrb_assert(expr) slrb_assert(expr)
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#else
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#define lrb_assert(expr) do { slrb_assert(expr); assert(expr); } while(0)
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#endif
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#ifdef RB_SOCKADDR_HAS_SA_LEN
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#define ss_len sa_len
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#endif
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#define GET_SS_FAMILY(x) (((const struct sockaddr *)(x))->sa_family)
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#define SET_SS_FAMILY(x, y) ((((struct sockaddr *)(x))->sa_family) = y)
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#ifdef RB_SOCKADDR_HAS_SA_LEN
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#define SET_SS_LEN(x, y) do { \
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struct sockaddr *_storage; \
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_storage = ((struct sockaddr *)(x));\
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_storage->sa_len = (y); \
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} while (0)
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#define GET_SS_LEN(x) (((struct sockaddr *)(x))->sa_len)
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#else /* !RB_SOCKADDR_HAS_SA_LEN */
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#define SET_SS_LEN(x, y) (((struct sockaddr *)(x))->sa_family = ((struct sockaddr *)(x))->sa_family)
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#ifdef RB_IPV6
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#define GET_SS_LEN(x) (((struct sockaddr *)(x))->sa_family == AF_INET ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6))
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#else
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#define GET_SS_LEN(x) (((struct sockaddr *)(x))->sa_family == AF_INET ? sizeof(struct sockaddr_in) : 0)
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#endif
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#endif
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#ifdef RB_IPV6
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#define GET_SS_PORT(x) (((struct sockaddr *)(x))->sa_family == AF_INET ? ((struct sockaddr_in *)(x))->sin_port : ((struct sockaddr_in6 *)(x))->sin6_port)
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#define SET_SS_PORT(x, y) do { \
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if(((struct sockaddr *)(x))->sa_family == AF_INET) { \
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((struct sockaddr_in *)(x))->sin_port = (y); \
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} else { \
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((struct sockaddr_in6 *)(x))->sin6_port = (y); \
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} \
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} while (0)
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#else
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#define GET_SS_PORT(x) (((struct sockaddr_in *)(x))->sin_port)
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#define SET_SS_PORT(x, y) (((struct sockaddr_in *)(x))->sin_port = y)
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#endif
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#ifndef INADDRSZ
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#define INADDRSZ 4
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#endif
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#ifndef IN6ADDRSZ
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#define IN6ADDRSZ 16
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#endif
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#ifndef INT16SZ
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#define INT16SZ 2
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#endif
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#ifndef UINT16_MAX
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#define UINT16_MAX (65535U)
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#endif
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#ifndef UINT32_MAX
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#define UINT32_MAX (4294967295U)
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#endif
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/* For those unfamiliar with GNU format attributes, a is the 1 based
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* argument number of the format string, and b is the 1 based argument
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* number of the variadic ... */
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#ifdef __GNUC__
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#define AFP(a,b) __attribute__((format (printf, a, b)))
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#else
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#define AFP(a,b)
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#endif
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#ifdef HAVE_STRUCT_SOCKADDR_STORAGE
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#define rb_sockaddr_storage sockaddr_storage
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#else
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struct rb_sockaddr_storage { uint8_t _padding[128]; };
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#endif
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#define rb_hash_fd(x) ((x ^ (x >> RB_FD_HASH_BITS) ^ (x >> (RB_FD_HASH_BITS * 2))) & RB_FD_HASH_MASK)
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#ifdef HAVE_WRITEV
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#ifndef UIO_MAXIOV
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# if defined(__FreeBSD__) || defined(__APPLE__) || defined(__NetBSD__)
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/* FreeBSD 4.7 defines it in sys/uio.h only if _KERNEL is specified */
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# define RB_UIO_MAXIOV 1024
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# elif defined(__sgi)
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/* IRIX 6.5 has sysconf(_SC_IOV_MAX) which might return 512 or bigger */
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# define RB_UIO_MAXIOV 512
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# elif defined(__sun)
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/* Solaris (and SunOS?) defines IOV_MAX instead */
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# ifndef IOV_MAX
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# define RB_UIO_MAXIOV 16
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# else
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# define RB_UIO_MAXIOV IOV_MAX
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# endif
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# elif defined(IOV_MAX)
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# define RB_UIO_MAXIOV IOV_MAX
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# else
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# define RB_UIO_MAXIOV 16
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# endif
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#else
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#define RB_UIO_MAXIOV UIO_MAXIOV
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#endif
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#else
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#define RB_UIO_MAXIOV 16
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#endif
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#ifndef MAX
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#define MAX(a, b) ((a) > (b) ? (a) : (b))
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#endif
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#ifndef MIN
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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#endif
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#ifdef RB_IPV6
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#ifndef AF_INET6
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#error "AF_INET6 not defined"
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#endif
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#else /* #ifdef RB_IPV6 */
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#ifndef AF_INET6
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#define AF_INET6 AF_MAX /* Dummy AF_INET6 declaration */
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#endif
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#endif /* #ifdef RB_IPV6 */
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#ifdef RB_IPV6
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#define PATRICIA_BITS 128
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#else
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#define PATRICIA_BITS 32
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#endif
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#ifdef __cplusplus
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#define RB_EXTERN_C extern "C"
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#else
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#define RB_EXTERN_C
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#endif
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#ifdef strdupa
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#define LOCAL_COPY(s) strdupa(s)
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#else
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#if defined(__INTEL_COMPILER) || defined(__GNUC__)
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#define LOCAL_COPY(s) __extension__({ char *_s = (char *)alloca(strlen(s) + 1); strcpy(_s, s); _s; })
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#else
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#define LOCAL_COPY(s) strcpy((char *)alloca(strlen(s) + 1), s)
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#endif
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#endif
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // _RB_SYSTEM_H
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