mirror of
https://git.proxmox.com/git/wasi-libc
synced 2025-06-15 05:18:13 +00:00
1cbedc6d7e
Previously, FD_SET and friends were missing their actual definitions. This provides definitions, entirely within the system headers in a way that doesn't need instantiated out-of-line definitions.
77 lines
1.6 KiB
C
77 lines
1.6 KiB
C
#ifndef __wasilibc___fd_set_h
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#define __wasilibc___fd_set_h
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#include <__typedef_fd_set.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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static __inline void FD_CLR(int __fd, fd_set *__set) {
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size_t __n = __set->__nfds;
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for (int *__p = __set->__fds, *__e = __p + __n;
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__p < __e; ++__p)
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{
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if (*__p == __fd) {
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*__p = __e[-1];
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__set->__nfds = __n - 1;
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return;
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}
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}
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}
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static __inline
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#ifdef __cplusplus
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bool
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#else
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_Bool
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#endif
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FD_ISSET(int __fd, const fd_set *__set)
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{
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size_t __n = __set->__nfds;
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for (const int *__p = __set->__fds, *__e = __p + __n;
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__p < __e; ++__p)
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{
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if (*__p == __fd) {
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return 1;
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}
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}
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return 0;
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}
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static __inline void FD_SET(int __fd, fd_set *__set) {
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size_t __n = __set->__nfds;
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for (const int *__p = __set->__fds, *__e = __p + __n;
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__p < __e; ++__p)
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{
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if (*__p == __fd) {
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return;
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}
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}
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__set->__nfds = __n + 1;
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__set->__fds[__n] = __fd;
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}
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static __inline void FD_ZERO(fd_set *__set) {
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__set->__nfds = 0;
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}
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static __inline void FD_COPY(const fd_set *__restrict __from,
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fd_set *__restrict __to) {
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size_t __n = __from->__nfds;
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__to->__nfds = __n;
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__builtin_memcpy(__to->__fds, __from->__fds, __n * sizeof(int));
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}
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#define FD_CLR(fd, set) (FD_CLR((fd), (set)))
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#define FD_ISSET(fd, set) (FD_ISSET((fd), (set)))
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#define FD_SET(fd, set) (FD_SET((fd), (set)))
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#define FD_ZERO(set) (FD_ZERO((set)))
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#define FD_COPY(from, to) (FD_COPY((from), (to)))
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#ifdef __cplusplus
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}
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#endif
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#endif
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