HardenedBSD/contrib/libfido2/openbsd-compat/posix_win.c
Ed Maste 0afa8e065e Import libfido2 at 'contrib/libfido2/'
git-subtree-dir: contrib/libfido2
git-subtree-mainline: d586c978b9
git-subtree-split: a58dee945a
2021-10-06 21:29:18 -04:00

62 lines
857 B
C

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