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