Andrew's git - gitweb.git/blob

   1#include <winsock2.h>
   2#include <ws2tcpip.h>
   3
   4/*
   5 * things that are not available in header files
   6 */
   7
   8typedef int pid_t;
   9typedef int uid_t;
  10typedef int socklen_t;
  11#define hstrerror strerror
  12
  13#define S_IFLNK    0120000 /* Symbolic link */
  14#define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK)
  15#define S_ISSOCK(x) 0
  16
  17#ifndef _STAT_H_
  18#define S_IRUSR 0
  19#define S_IWUSR 0
  20#define S_IXUSR 0
  21#define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
  22#endif
  23#define S_IRGRP 0
  24#define S_IWGRP 0
  25#define S_IXGRP 0
  26#define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
  27#define S_IROTH 0
  28#define S_IWOTH 0
  29#define S_IXOTH 0
  30#define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
  31#define S_ISUID 0
  32#define S_ISGID 0
  33#define S_ISVTX 0
  34
  35#define WIFEXITED(x) 1
  36#define WIFSIGNALED(x) 0
  37#define WEXITSTATUS(x) ((x) & 0xff)
  38#define WTERMSIG(x) SIGTERM
  39
  40#define SIGHUP 1
  41#define SIGQUIT 3
  42#define SIGKILL 9
  43#define SIGPIPE 13
  44#define SIGALRM 14
  45#define SIGCHLD 17
  46
  47#define F_GETFD 1
  48#define F_SETFD 2
  49#define FD_CLOEXEC 0x1
  50
  51#define EAFNOSUPPORT WSAEAFNOSUPPORT
  52#define ECONNABORTED WSAECONNABORTED
  53
  54struct passwd {
  55        char *pw_name;
  56        char *pw_gecos;
  57        char *pw_dir;
  58};
  59
  60extern char *getpass(const char *prompt);
  61
  62#ifndef POLLIN
  63struct pollfd {
  64        int fd;           /* file descriptor */
  65        short events;     /* requested events */
  66        short revents;    /* returned events */
  67};
  68#define POLLIN 1
  69#define POLLHUP 2
  70#endif
  71
  72typedef void (__cdecl *sig_handler_t)(int);
  73struct sigaction {
  74        sig_handler_t sa_handler;
  75        unsigned sa_flags;
  76};
  77#define sigemptyset(x) (void)0
  78#define SA_RESTART 0
  79
  80struct itimerval {
  81        struct timeval it_value, it_interval;
  82};
  83#define ITIMER_REAL 0
  84
  85/*
  86 * sanitize preprocessor namespace polluted by Windows headers defining
  87 * macros which collide with git local versions
  88 */
  89#undef HELP_COMMAND /* from winuser.h */
  90
  91/*
  92 * trivial stubs
  93 */
  94
  95static inline int readlink(const char *path, char *buf, size_t bufsiz)
  96{ errno = ENOSYS; return -1; }
  97static inline int symlink(const char *oldpath, const char *newpath)
  98{ errno = ENOSYS; return -1; }
  99static inline int fchmod(int fildes, mode_t mode)
 100{ errno = ENOSYS; return -1; }
 101static inline pid_t fork(void)
 102{ errno = ENOSYS; return -1; }
 103static inline unsigned int alarm(unsigned int seconds)
 104{ return 0; }
 105static inline int fsync(int fd)
 106{ return _commit(fd); }
 107static inline pid_t getppid(void)
 108{ return 1; }
 109static inline void sync(void)
 110{}
 111static inline uid_t getuid(void)
 112{ return 1; }
 113static inline struct passwd *getpwnam(const char *name)
 114{ return NULL; }
 115static inline int fcntl(int fd, int cmd, ...)
 116{
 117        if (cmd == F_GETFD || cmd == F_SETFD)
 118                return 0;
 119        errno = EINVAL;
 120        return -1;
 121}
 122/* bash cannot reliably detect negative return codes as failure */
 123#define exit(code) exit((code) & 0xff)
 124
 125/*
 126 * simple adaptors
 127 */
 128
 129static inline int mingw_mkdir(const char *path, int mode)
 130{
 131        return mkdir(path);
 132}
 133#define mkdir mingw_mkdir
 134
 135static inline int mingw_unlink(const char *pathname)
 136{
 137        /* read-only files cannot be removed */
 138        chmod(pathname, 0666);
 139        return unlink(pathname);
 140}
 141#define unlink mingw_unlink
 142
 143#define WNOHANG 1
 144pid_t waitpid(pid_t pid, int *status, unsigned options);
 145
 146#ifndef NO_OPENSSL
 147#include <openssl/ssl.h>
 148static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
 149{
 150        return SSL_set_fd(ssl, _get_osfhandle(fd));
 151}
 152#define SSL_set_fd mingw_SSL_set_fd
 153
 154static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
 155{
 156        return SSL_set_rfd(ssl, _get_osfhandle(fd));
 157}
 158#define SSL_set_rfd mingw_SSL_set_rfd
 159
 160static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
 161{
 162        return SSL_set_wfd(ssl, _get_osfhandle(fd));
 163}
 164#define SSL_set_wfd mingw_SSL_set_wfd
 165#endif
 166
 167/*
 168 * implementations of missing functions
 169 */
 170
 171int pipe(int filedes[2]);
 172unsigned int sleep (unsigned int seconds);
 173int mkstemp(char *template);
 174int gettimeofday(struct timeval *tv, void *tz);
 175int poll(struct pollfd *ufds, unsigned int nfds, int timeout);
 176struct tm *gmtime_r(const time_t *timep, struct tm *result);
 177struct tm *localtime_r(const time_t *timep, struct tm *result);
 178int getpagesize(void);  /* defined in MinGW's libgcc.a */
 179struct passwd *getpwuid(uid_t uid);
 180int setitimer(int type, struct itimerval *in, struct itimerval *out);
 181int sigaction(int sig, struct sigaction *in, struct sigaction *out);
 182int link(const char *oldpath, const char *newpath);
 183
 184/*
 185 * replacements of existing functions
 186 */
 187
 188int mingw_open (const char *filename, int oflags, ...);
 189#define open mingw_open
 190
 191ssize_t mingw_write(int fd, const void *buf, size_t count);
 192#define write mingw_write
 193
 194FILE *mingw_fopen (const char *filename, const char *otype);
 195#define fopen mingw_fopen
 196
 197FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream);
 198#define freopen mingw_freopen
 199
 200char *mingw_getcwd(char *pointer, int len);
 201#define getcwd mingw_getcwd
 202
 203char *mingw_getenv(const char *name);
 204#define getenv mingw_getenv
 205
 206struct hostent *mingw_gethostbyname(const char *host);
 207#define gethostbyname mingw_gethostbyname
 208
 209void mingw_freeaddrinfo(struct addrinfo *res);
 210#define freeaddrinfo mingw_freeaddrinfo
 211
 212int mingw_getaddrinfo(const char *node, const char *service,
 213                      const struct addrinfo *hints, struct addrinfo **res);
 214#define getaddrinfo mingw_getaddrinfo
 215
 216int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
 217                      char *host, DWORD hostlen, char *serv, DWORD servlen,
 218                      int flags);
 219#define getnameinfo mingw_getnameinfo
 220
 221int mingw_socket(int domain, int type, int protocol);
 222#define socket mingw_socket
 223
 224int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
 225#define connect mingw_connect
 226
 227int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz);
 228#define bind mingw_bind
 229
 230int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen);
 231#define setsockopt mingw_setsockopt
 232
 233int mingw_listen(int sockfd, int backlog);
 234#define listen mingw_listen
 235
 236int mingw_accept(int sockfd, struct sockaddr *sa, socklen_t *sz);
 237#define accept mingw_accept
 238
 239int mingw_rename(const char*, const char*);
 240#define rename mingw_rename
 241
 242#if defined(USE_WIN32_MMAP) || defined(_MSC_VER)
 243int mingw_getpagesize(void);
 244#define getpagesize mingw_getpagesize
 245#endif
 246
 247/* Use mingw_lstat() instead of lstat()/stat() and
 248 * mingw_fstat() instead of fstat() on Windows.
 249 */
 250#define off_t off64_t
 251#define lseek _lseeki64
 252#ifndef ALREADY_DECLARED_STAT_FUNCS
 253#define stat _stati64
 254int mingw_lstat(const char *file_name, struct stat *buf);
 255int mingw_stat(const char *file_name, struct stat *buf);
 256int mingw_fstat(int fd, struct stat *buf);
 257#define fstat mingw_fstat
 258#define lstat mingw_lstat
 259#define _stati64(x,y) mingw_stat(x,y)
 260#endif
 261
 262int mingw_utime(const char *file_name, const struct utimbuf *times);
 263#define utime mingw_utime
 264
 265pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
 266                     const char *dir,
 267                     int fhin, int fhout, int fherr);
 268void mingw_execvp(const char *cmd, char *const *argv);
 269#define execvp mingw_execvp
 270void mingw_execv(const char *cmd, char *const *argv);
 271#define execv mingw_execv
 272
 273static inline unsigned int git_ntohl(unsigned int x)
 274{ return (unsigned int)ntohl(x); }
 275#define ntohl git_ntohl
 276
 277sig_handler_t mingw_signal(int sig, sig_handler_t handler);
 278#define signal mingw_signal
 279
 280/*
 281 * ANSI emulation wrappers
 282 */
 283
 284int winansi_fputs(const char *str, FILE *stream);
 285int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
 286int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
 287#define fputs winansi_fputs
 288#define printf(...) winansi_printf(__VA_ARGS__)
 289#define fprintf(...) winansi_fprintf(__VA_ARGS__)
 290
 291/*
 292 * git specific compatibility
 293 */
 294
 295#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
 296#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
 297#define PATH_SEP ';'
 298#define PRIuMAX "I64u"
 299
 300void mingw_open_html(const char *path);
 301#define open_html mingw_open_html
 302
 303/*
 304 * helpers
 305 */
 306
 307char **make_augmented_environ(const char *const *vars);
 308void free_environ(char **env);
 309
 310/*
 311 * A replacement of main() that ensures that argv[0] has a path
 312 * and that default fmode and std(in|out|err) are in binary mode
 313 */
 314
 315#define main(c,v) dummy_decl_mingw_main(); \
 316static int mingw_main(); \
 317int main(int argc, const char **argv) \
 318{ \
 319        extern CRITICAL_SECTION pinfo_cs; \
 320        _fmode = _O_BINARY; \
 321        _setmode(_fileno(stdin), _O_BINARY); \
 322        _setmode(_fileno(stdout), _O_BINARY); \
 323        _setmode(_fileno(stderr), _O_BINARY); \
 324        argv[0] = xstrdup(_pgmptr); \
 325        InitializeCriticalSection(&pinfo_cs); \
 326        return mingw_main(argc, argv); \
 327} \
 328static int mingw_main(c,v)
 329
 330#ifndef NO_MINGW_REPLACE_READDIR
 331/*
 332 * A replacement of readdir, to ensure that it reads the file type at
 333 * the same time. This avoid extra unneeded lstats in git on MinGW
 334 */
 335#undef DT_UNKNOWN
 336#undef DT_DIR
 337#undef DT_REG
 338#undef DT_LNK
 339#define DT_UNKNOWN      0
 340#define DT_DIR          1
 341#define DT_REG          2
 342#define DT_LNK          3
 343
 344struct mingw_dirent
 345{
 346        long            d_ino;                  /* Always zero. */
 347        union {
 348                unsigned short  d_reclen;       /* Always zero. */
 349                unsigned char   d_type;         /* Reimplementation adds this */
 350        };
 351        unsigned short  d_namlen;               /* Length of name in d_name. */
 352        char            d_name[FILENAME_MAX];   /* File name. */
 353};
 354#define dirent mingw_dirent
 355#define readdir(x) mingw_readdir(x)
 356struct dirent *mingw_readdir(DIR *dir);
 357#endif // !NO_MINGW_REPLACE_READDIR
 358
 359/*
 360 * Used by Pthread API implementation for Windows
 361 */
 362extern int err_win_to_posix(DWORD winerr);