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 unsigned int alarm(unsigned int seconds)
  89{ return 0; }
  90static inline int fsync(int fd)
  91{ return _commit(fd); }
  92static inline pid_t getppid(void)
  93{ return 1; }
  94static inline void sync(void)
  95{}
  96static inline uid_t getuid(void)
  97{ return 1; }
  98static inline struct passwd *getpwnam(const char *name)
  99{ return NULL; }
 100static inline int fcntl(int fd, int cmd, ...)
 101{
 102        if (cmd == F_GETFD || cmd == F_SETFD)
 103                return 0;
 104        errno = EINVAL;
 105        return -1;
 106}
 107/* bash cannot reliably detect negative return codes as failure */
 108#define exit(code) exit((code) & 0xff)
 109
 110/*
 111 * simple adaptors
 112 */
 113
 114static inline int mingw_mkdir(const char *path, int mode)
 115{
 116        return mkdir(path);
 117}
 118#define mkdir mingw_mkdir
 119
 120#define WNOHANG 1
 121pid_t waitpid(pid_t pid, int *status, unsigned options);
 122
 123#define kill mingw_kill
 124int mingw_kill(pid_t pid, int sig);
 125
 126#ifndef NO_OPENSSL
 127#include <openssl/ssl.h>
 128static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
 129{
 130        return SSL_set_fd(ssl, _get_osfhandle(fd));
 131}
 132#define SSL_set_fd mingw_SSL_set_fd
 133
 134static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
 135{
 136        return SSL_set_rfd(ssl, _get_osfhandle(fd));
 137}
 138#define SSL_set_rfd mingw_SSL_set_rfd
 139
 140static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
 141{
 142        return SSL_set_wfd(ssl, _get_osfhandle(fd));
 143}
 144#define SSL_set_wfd mingw_SSL_set_wfd
 145#endif
 146
 147/*
 148 * implementations of missing functions
 149 */
 150
 151int pipe(int filedes[2]);
 152unsigned int sleep (unsigned int seconds);
 153int mkstemp(char *template);
 154int gettimeofday(struct timeval *tv, void *tz);
 155struct tm *gmtime_r(const time_t *timep, struct tm *result);
 156struct tm *localtime_r(const time_t *timep, struct tm *result);
 157int getpagesize(void);  /* defined in MinGW's libgcc.a */
 158struct passwd *getpwuid(uid_t uid);
 159int setitimer(int type, struct itimerval *in, struct itimerval *out);
 160int sigaction(int sig, struct sigaction *in, struct sigaction *out);
 161int link(const char *oldpath, const char *newpath);
 162
 163/*
 164 * replacements of existing functions
 165 */
 166
 167int mingw_unlink(const char *pathname);
 168#define unlink mingw_unlink
 169
 170int mingw_rmdir(const char *path);
 171#define rmdir mingw_rmdir
 172
 173int mingw_open (const char *filename, int oflags, ...);
 174#define open mingw_open
 175
 176ssize_t mingw_write(int fd, const void *buf, size_t count);
 177#define write mingw_write
 178
 179FILE *mingw_fopen (const char *filename, const char *otype);
 180#define fopen mingw_fopen
 181
 182FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream);
 183#define freopen mingw_freopen
 184
 185char *mingw_getcwd(char *pointer, int len);
 186#define getcwd mingw_getcwd
 187
 188char *mingw_getenv(const char *name);
 189#define getenv mingw_getenv
 190
 191int mingw_gethostname(char *host, int namelen);
 192#define gethostname mingw_gethostname
 193
 194struct hostent *mingw_gethostbyname(const char *host);
 195#define gethostbyname mingw_gethostbyname
 196
 197void mingw_freeaddrinfo(struct addrinfo *res);
 198#define freeaddrinfo mingw_freeaddrinfo
 199
 200int mingw_getaddrinfo(const char *node, const char *service,
 201                      const struct addrinfo *hints, struct addrinfo **res);
 202#define getaddrinfo mingw_getaddrinfo
 203
 204int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
 205                      char *host, DWORD hostlen, char *serv, DWORD servlen,
 206                      int flags);
 207#define getnameinfo mingw_getnameinfo
 208
 209int mingw_socket(int domain, int type, int protocol);
 210#define socket mingw_socket
 211
 212int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
 213#define connect mingw_connect
 214
 215int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz);
 216#define bind mingw_bind
 217
 218int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen);
 219#define setsockopt mingw_setsockopt
 220
 221int mingw_shutdown(int sockfd, int how);
 222#define shutdown mingw_shutdown
 223
 224int mingw_listen(int sockfd, int backlog);
 225#define listen mingw_listen
 226
 227int mingw_accept(int sockfd, struct sockaddr *sa, socklen_t *sz);
 228#define accept mingw_accept
 229
 230int mingw_rename(const char*, const char*);
 231#define rename mingw_rename
 232
 233#if defined(USE_WIN32_MMAP) || defined(_MSC_VER)
 234int mingw_getpagesize(void);
 235#define getpagesize mingw_getpagesize
 236#endif
 237
 238struct rlimit {
 239        unsigned int rlim_cur;
 240};
 241#define RLIMIT_NOFILE 0
 242
 243static inline int getrlimit(int resource, struct rlimit *rlp)
 244{
 245        if (resource != RLIMIT_NOFILE) {
 246                errno = EINVAL;
 247                return -1;
 248        }
 249
 250        rlp->rlim_cur = 2048;
 251        return 0;
 252}
 253
 254/* Use mingw_lstat() instead of lstat()/stat() and
 255 * mingw_fstat() instead of fstat() on Windows.
 256 */
 257#define off_t off64_t
 258#define lseek _lseeki64
 259#ifndef ALREADY_DECLARED_STAT_FUNCS
 260#define stat _stati64
 261int mingw_lstat(const char *file_name, struct stat *buf);
 262int mingw_stat(const char *file_name, struct stat *buf);
 263int mingw_fstat(int fd, struct stat *buf);
 264#define fstat mingw_fstat
 265#define lstat mingw_lstat
 266#define _stati64(x,y) mingw_stat(x,y)
 267#endif
 268
 269int mingw_utime(const char *file_name, const struct utimbuf *times);
 270#define utime mingw_utime
 271
 272pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
 273                     const char *dir,
 274                     int fhin, int fhout, int fherr);
 275void mingw_execvp(const char *cmd, char *const *argv);
 276#define execvp mingw_execvp
 277void mingw_execv(const char *cmd, char *const *argv);
 278#define execv mingw_execv
 279
 280static inline unsigned int git_ntohl(unsigned int x)
 281{ return (unsigned int)ntohl(x); }
 282#define ntohl git_ntohl
 283
 284sig_handler_t mingw_signal(int sig, sig_handler_t handler);
 285#define signal mingw_signal
 286
 287/*
 288 * ANSI emulation wrappers
 289 */
 290
 291int winansi_fputs(const char *str, FILE *stream);
 292int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
 293int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
 294#define fputs winansi_fputs
 295#define printf(...) winansi_printf(__VA_ARGS__)
 296#define fprintf(...) winansi_fprintf(__VA_ARGS__)
 297
 298/*
 299 * git specific compatibility
 300 */
 301
 302#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
 303#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
 304static inline char *mingw_find_last_dir_sep(const char *path)
 305{
 306        char *ret = NULL;
 307        for (; *path; ++path)
 308                if (is_dir_sep(*path))
 309                        ret = (char *)path;
 310        return ret;
 311}
 312#define find_last_dir_sep mingw_find_last_dir_sep
 313#define PATH_SEP ';'
 314#define PRIuMAX "I64u"
 315
 316void mingw_open_html(const char *path);
 317#define open_html mingw_open_html
 318
 319/*
 320 * helpers
 321 */
 322
 323char **make_augmented_environ(const char *const *vars);
 324void free_environ(char **env);
 325
 326/*
 327 * A replacement of main() that ensures that argv[0] has a path
 328 * and that default fmode and std(in|out|err) are in binary mode
 329 */
 330
 331#define main(c,v) dummy_decl_mingw_main(); \
 332static int mingw_main(); \
 333int main(int argc, const char **argv) \
 334{ \
 335        extern CRITICAL_SECTION pinfo_cs; \
 336        _fmode = _O_BINARY; \
 337        _setmode(_fileno(stdin), _O_BINARY); \
 338        _setmode(_fileno(stdout), _O_BINARY); \
 339        _setmode(_fileno(stderr), _O_BINARY); \
 340        argv[0] = xstrdup(_pgmptr); \
 341        InitializeCriticalSection(&pinfo_cs); \
 342        return mingw_main(argc, argv); \
 343} \
 344static int mingw_main(c,v)
 345
 346/*
 347 * Used by Pthread API implementation for Windows
 348 */
 349extern int err_win_to_posix(DWORD winerr);