#ifndef DATGPT_WIN_COMPAT_H
#define DATGPT_WIN_COMPAT_H

/* Small POSIX spellings used by the shared C sources on native Windows. */
#ifdef _WIN32
#include <io.h>
#include <direct.h>
#include <process.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/stat.h>
#include <string.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#include <windows.h>
#ifndef mkdir
#define mkdir(path, mode) _mkdir(path)
#endif
#ifndef fsync
#define fsync(fd) _commit(fd)
#endif
#ifndef getpid
#define getpid _getpid
#endif
#ifndef O_CLOEXEC
#define O_CLOEXEC 0
#endif
#ifndef O_NOFOLLOW
#define O_NOFOLLOW 0
#endif
#ifndef EKEYREJECTED
#define EKEYREJECTED EACCES
#endif
#ifndef S_ISLNK
#define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK)
#endif
#ifndef S_IFLNK
#define S_IFLNK 0120000
#endif
#ifndef fchmod
#define fchmod(fd, mode) ((void)(fd), (void)(mode), 0)
#endif
#ifndef strcasecmp
#define strcasecmp _stricmp
#endif
#ifndef strncasecmp
#define strncasecmp _strnicmp
#endif
static inline char *dat_win_getenv_compat(const char *name)
{
	char *value = getenv(name);
	if (!value && name && !strcmp(name, "HOME")) value = getenv("USERPROFILE");
	return value;
}
#define getenv dat_win_getenv_compat
static inline int dat_win_lstat(const char *path, struct stat *info)
{
	DWORD attributes;
	if (stat(path, info)) return -1;
	attributes = GetFileAttributesA(path);
	if (attributes != INVALID_FILE_ATTRIBUTES && (attributes & FILE_ATTRIBUTE_REPARSE_POINT))
		info->st_mode = (info->st_mode & ~S_IFMT) | S_IFLNK;
	return 0;
}
#ifndef lstat
#define lstat dat_win_lstat
#endif
static inline int dat_win_readlink(const char *path, char *target, size_t capacity)
{ (void)path; (void)target; (void)capacity; errno = ENOTSUP; return -1; }
static inline int dat_win_symlink(const char *target, const char *path)
{ (void)target; (void)path; errno = ENOTSUP; return -1; }
#ifndef readlink
#define readlink dat_win_readlink
#endif
#ifndef symlink
#define symlink dat_win_symlink
#endif
#endif

#endif