62 lines
857 B
C
62 lines
857 B
C
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/*
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* Public domain
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*
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* File IO compatibility shims
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* Brent Cook <bcook@openbsd.org>
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*/
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#define NO_REDEF_POSIX_FUNCTIONS
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#include <windows.h>
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#include <errno.h>
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#include <io.h>
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#include "posix_win.h"
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int
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posix_open(const char *path, ...)
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{
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va_list ap;
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int mode = 0;
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int flags;
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va_start(ap, path);
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flags = va_arg(ap, int);
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if (flags & O_CREAT)
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mode = va_arg(ap, int);
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va_end(ap);
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flags |= O_BINARY | O_NOINHERIT;
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return (open(path, flags, mode));
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}
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int
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posix_close(int fd)
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{
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return (close(fd));
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}
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ssize_t
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posix_read(int fd, void *buf, size_t count)
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{
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if (count > INT_MAX) {
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errno = EINVAL;
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return (-1);
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}
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return (read(fd, buf, (unsigned int)count));
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}
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ssize_t
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posix_write(int fd, const void *buf, size_t count)
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{
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if (count > INT_MAX) {
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errno = EINVAL;
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return (-1);
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}
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return (write(fd, buf, (unsigned int)count));
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}
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