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#define S_IRGRP 0
  18#define S_IWGRP 0
  19#define S_IXGRP 0
  20#define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
  21#define S_IROTH 0
  22#define S_IWOTH 0
  23#define S_IXOTH 0
  24#define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
  25#define S_ISUID 0
  26#define S_ISGID 0
  27#define S_ISVTX 0
  28
  29#define WIFEXITED(x) 1
  30#define WIFSIGNALED(x) 0
  31#define WEXITSTATUS(x) ((x) & 0xff)
  32#define WTERMSIG(x) SIGTERM
  33
  34#define EWOULDBLOCK EAGAIN
  35#define SHUT_WR SD_SEND
  36
  37#define SIGHUP 1
  38#define SIGQUIT 3
  39#define SIGKILL 9
  40#define SIGPIPE 13
  41#define SIGALRM 14
  42#define SIGCHLD 17
  43
  44#define F_GETFD 1
  45#define F_SETFD 2
  46#define FD_CLOEXEC 0x1
  47
  48#define EAFNOSUPPORT WSAEAFNOSUPPORT
  49#define ECONNABORTED WSAECONNABORTED
  50
  51struct passwd {
  52        char *pw_name;
  53        char *pw_gecos;
  54        char *pw_dir;
  55};
  56
  57extern char *getpass(const char *prompt);
  58
  59typedef void (__cdecl *sig_handler_t)(int);
  60struct sigaction {
  61        sig_handler_t sa_handler;
  62        unsigned sa_flags;
  63};
  64#define sigemptyset(x) (void)0
  65#define SA_RESTART 0
  66
  67struct itimerval {
  68        struct timeval it_value, it_interval;
  69};
  70#define ITIMER_REAL 0
  71
  72/*
  73 * sanitize preprocessor namespace polluted by Windows headers defining
  74 * macros which collide with git local versions
  75 */
  76#undef HELP_COMMAND /* from winuser.h */
  77
  78/*
  79 * trivial stubs
  80 */
  81
  82static inline int readlink(const char *path, char *buf, size_t bufsiz)
  83{ errno = ENOSYS; return -1; }
  84static inline int symlink(const char *oldpath, const char *newpath)
  85{ errno = ENOSYS; return -1; }
  86static inline int fchmod(int fildes, mode_t mode)
  87{ errno = ENOSYS; return -1; }
  88static inline pid_t fork(void)
  89{ errno = ENOSYS; return -1; }
  90static inline unsigned int alarm(unsigned int seconds)
  91{ return 0; }
  92static inline int fsync(int fd)
  93{ return _commit(fd); }
  94static inline pid_t getppid(void)
  95{ return 1; }
  96static inline void sync(void)
  97{}
  98static inline uid_t getuid(void)
  99{ return 1; }
 100static inline struct passwd *getpwnam(const char *name)
 101{ return NULL; }
 102static inline int fcntl(int fd, int cmd, ...)
 103{
 104        if (cmd == F_GETFD || cmd == F_SETFD)
 105                return 0;
 106        errno = EINVAL;
 107        return -1;
 108}
 109/* bash cannot reliably detect negative return codes as failure */
 110#define exit(code) exit((code) & 0xff)
 111
 112/*
 113 * simple adaptors
 114 */
 115
 116static inline int mingw_mkdir(const char *path, int mode)
 117{
 118        return mkdir(path);
 119}
 120#define mkdir mingw_mkdir
 121
 122static inline int mingw_unlink(const char *pathname)
 123{
 124        /* read-only files cannot be removed */
 125        chmod(pathname, 0666);
 126        return unlink(pathname);
 127}
 128#define unlink mingw_unlink
 129
 130#define WNOHANG 1
 131pid_t waitpid(pid_t pid, int *status, unsigned options);
 132
 133#define kill mingw_kill
 134int mingw_kill(pid_t pid, int sig);
 135
 136#ifndef NO_OPENSSL
 137#include <openssl/ssl.h>
 138static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
 139{
 140        return SSL_set_fd(ssl, _get_osfhandle(fd));
 141}
 142#define SSL_set_fd mingw_SSL_set_fd
 143
 144static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
 145{
 146        return SSL_set_rfd(ssl, _get_osfhandle(fd));
 147}
 148#define SSL_set_rfd mingw_SSL_set_rfd
 149
 150static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
 151{
 152        return SSL_set_wfd(ssl, _get_osfhandle(fd));
 153}
 154#define SSL_set_wfd mingw_SSL_set_wfd
 155#endif
 156
 157/*
 158 * implementations of missing functions
 159 */
 160
 161int pipe(int filedes[2]);
 162unsigned int sleep (unsigned int seconds);
 163int mkstemp(char *template);
 164int gettimeofday(struct timeval *tv, void *tz);
 165struct tm *gmtime_r(const time_t *timep, struct tm *result);
 166struct tm *localtime_r(const time_t *timep, struct tm *result);
 167int getpagesize(void);  /* defined in MinGW's libgcc.a */
 168struct passwd *getpwuid(uid_t uid);
 169int setitimer(int type, struct itimerval *in, struct itimerval *out);
 170int sigaction(int sig, struct sigaction *in, struct sigaction *out);
 171int link(const char *oldpath, const char *newpath);
 172
 173/*
 174 * replacements of existing functions
 175 */
 176
 177int mingw_open (const char *filename, int oflags, ...);
 178#define open mingw_open
 179
 180ssize_t mingw_write(int fd, const void *buf, size_t count);
 181#define write mingw_write
 182
 183FILE *mingw_fopen (const char *filename, const char *otype);
 184#define fopen mingw_fopen
 185
 186FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream);
 187#define freopen mingw_freopen
 188
 189char *mingw_getcwd(char *pointer, int len);
 190#define getcwd mingw_getcwd
 191
 192char *mingw_getenv(const char *name);
 193#define getenv mingw_getenv
 194
 195struct hostent *mingw_gethostbyname(const char *host);
 196#define gethostbyname mingw_gethostbyname
 197
 198void mingw_freeaddrinfo(struct addrinfo *res);
 199#define freeaddrinfo mingw_freeaddrinfo
 200
 201int mingw_getaddrinfo(const char *node, const char *service,
 202                      const struct addrinfo *hints, struct addrinfo **res);
 203#define getaddrinfo mingw_getaddrinfo
 204
 205int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
 206                      char *host, DWORD hostlen, char *serv, DWORD servlen,
 207                      int flags);
 208#define getnameinfo mingw_getnameinfo
 209
 210int mingw_socket(int domain, int type, int protocol);
 211#define socket mingw_socket
 212
 213int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
 214#define connect mingw_connect
 215
 216int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz);
 217#define bind mingw_bind
 218
 219int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen);
 220#define setsockopt mingw_setsockopt
 221
 222int mingw_shutdown(int sockfd, int how);
 223#define shutdown mingw_shutdown
 224
 225int mingw_listen(int sockfd, int backlog);
 226#define listen mingw_listen
 227
 228int mingw_accept(int sockfd, struct sockaddr *sa, socklen_t *sz);
 229#define accept mingw_accept
 230
 231int mingw_rename(const char*, const char*);
 232#define rename mingw_rename
 233
 234#if defined(USE_WIN32_MMAP) || defined(_MSC_VER)
 235int mingw_getpagesize(void);
 236#define getpagesize mingw_getpagesize
 237#endif
 238
 239struct rlimit {
 240        unsigned int rlim_cur;
 241};
 242#define RLIMIT_NOFILE 0
 243
 244static inline int getrlimit(int resource, struct rlimit *rlp)
 245{
 246        if (resource != RLIMIT_NOFILE) {
 247                errno = EINVAL;
 248                return -1;
 249        }
 250
 251        rlp->rlim_cur = 2048;
 252        return 0;
 253}
 254
 255/* Use mingw_lstat() instead of lstat()/stat() and
 256 * mingw_fstat() instead of fstat() on Windows.
 257 */
 258#define off_t off64_t
 259#define lseek _lseeki64
 260#ifndef ALREADY_DECLARED_STAT_FUNCS
 261#define stat _stati64
 262int mingw_lstat(const char *file_name, struct stat *buf);
 263int mingw_stat(const char *file_name, struct stat *buf);
 264int mingw_fstat(int fd, struct stat *buf);
 265#define fstat mingw_fstat
 266#define lstat mingw_lstat
 267#define _stati64(x,y) mingw_stat(x,y)
 268#endif
 269
 270int mingw_utime(const char *file_name, const struct utimbuf *times);
 271#define utime mingw_utime
 272
 273pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
 274                     const char *dir,
 275                     int fhin, int fhout, int fherr);
 276void mingw_execvp(const char *cmd, char *const *argv);
 277#define execvp mingw_execvp
 278void mingw_execv(const char *cmd, char *const *argv);
 279#define execv mingw_execv
 280
 281static inline unsigned int git_ntohl(unsigned int x)
 282{ return (unsigned int)ntohl(x); }
 283#define ntohl git_ntohl
 284
 285sig_handler_t mingw_signal(int sig, sig_handler_t handler);
 286#define signal mingw_signal
 287
 288/*
 289 * ANSI emulation wrappers
 290 */
 291
 292int winansi_fputs(const char *str, FILE *stream);
 293int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
 294int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
 295#define fputs winansi_fputs
 296#define printf(...) winansi_printf(__VA_ARGS__)
 297#define fprintf(...) winansi_fprintf(__VA_ARGS__)
 298
 299/*
 300 * git specific compatibility
 301 */
 302
 303#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
 304#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
 305#define PATH_SEP ';'
 306#define PRIuMAX "I64u"
 307
 308void mingw_open_html(const char *path);
 309#define open_html mingw_open_html
 310
 311/*
 312 * helpers
 313 */
 314
 315char **make_augmented_environ(const char *const *vars);
 316void free_environ(char **env);
 317
 318/*
 319 * A replacement of main() that ensures that argv[0] has a path
 320 * and that default fmode and std(in|out|err) are in binary mode
 321 */
 322
 323#define main(c,v) dummy_decl_mingw_main(); \
 324static int mingw_main(); \
 325int main(int argc, const char **argv) \
 326{ \
 327        extern CRITICAL_SECTION pinfo_cs; \
 328        _fmode = _O_BINARY; \
 329        _setmode(_fileno(stdin), _O_BINARY); \
 330        _setmode(_fileno(stdout), _O_BINARY); \
 331        _setmode(_fileno(stderr), _O_BINARY); \
 332        argv[0] = xstrdup(_pgmptr); \
 333        InitializeCriticalSection(&pinfo_cs); \
 334        return mingw_main(argc, argv); \
 335} \
 336static int mingw_main(c,v)
 337
 338/*
 339 * Used by Pthread API implementation for Windows
 340 */
 341extern int err_win_to_posix(DWORD winerr);