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
  26#define S_ISUID 0004000
  27#define S_ISGID 0002000
  28#define S_ISVTX 0001000
  29
  30#define WIFEXITED(x) 1
  31#define WIFSIGNALED(x) 0
  32#define WEXITSTATUS(x) ((x) & 0xff)
  33#define WTERMSIG(x) SIGTERM
  34
  35#define EWOULDBLOCK EAGAIN
  36#define SHUT_WR SD_SEND
  37
  38#define SIGHUP 1
  39#define SIGQUIT 3
  40#define SIGKILL 9
  41#define SIGPIPE 13
  42#define SIGALRM 14
  43#define SIGCHLD 17
  44
  45#define F_GETFD 1
  46#define F_SETFD 2
  47#define FD_CLOEXEC 0x1
  48
  49#define EAFNOSUPPORT WSAEAFNOSUPPORT
  50#define ECONNABORTED WSAECONNABORTED
  51
  52struct passwd {
  53        char *pw_name;
  54        char *pw_gecos;
  55        char *pw_dir;
  56};
  57
  58extern char *getpass(const char *prompt);
  59
  60typedef void (__cdecl *sig_handler_t)(int);
  61struct sigaction {
  62        sig_handler_t sa_handler;
  63        unsigned sa_flags;
  64};
  65#define sigemptyset(x) (void)0
  66#define SA_RESTART 0
  67
  68struct itimerval {
  69        struct timeval it_value, it_interval;
  70};
  71#define ITIMER_REAL 0
  72
  73/*
  74 * sanitize preprocessor namespace polluted by Windows headers defining
  75 * macros which collide with git local versions
  76 */
  77#undef HELP_COMMAND /* from winuser.h */
  78
  79/*
  80 * trivial stubs
  81 */
  82
  83static inline int readlink(const char *path, char *buf, size_t bufsiz)
  84{ errno = ENOSYS; return -1; }
  85static inline int symlink(const char *oldpath, const char *newpath)
  86{ errno = ENOSYS; return -1; }
  87static inline int fchmod(int fildes, mode_t mode)
  88{ errno = ENOSYS; return -1; }
  89static inline pid_t fork(void)
  90{ errno = ENOSYS; return -1; }
  91static inline unsigned int alarm(unsigned int seconds)
  92{ return 0; }
  93static inline int fsync(int fd)
  94{ return _commit(fd); }
  95static inline pid_t getppid(void)
  96{ return 1; }
  97static inline void sync(void)
  98{}
  99static inline uid_t getuid(void)
 100{ return 1; }
 101static inline struct passwd *getpwnam(const char *name)
 102{ return NULL; }
 103static inline int fcntl(int fd, int cmd, ...)
 104{
 105        if (cmd == F_GETFD || cmd == F_SETFD)
 106                return 0;
 107        errno = EINVAL;
 108        return -1;
 109}
 110/* bash cannot reliably detect negative return codes as failure */
 111#define exit(code) exit((code) & 0xff)
 112
 113/*
 114 * simple adaptors
 115 */
 116
 117static inline int mingw_mkdir(const char *path, int mode)
 118{
 119        return mkdir(path);
 120}
 121#define mkdir mingw_mkdir
 122
 123#define WNOHANG 1
 124pid_t waitpid(pid_t pid, int *status, int options);
 125
 126#define kill mingw_kill
 127int mingw_kill(pid_t pid, int sig);
 128
 129#ifndef NO_OPENSSL
 130#include <openssl/ssl.h>
 131static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
 132{
 133        return SSL_set_fd(ssl, _get_osfhandle(fd));
 134}
 135#define SSL_set_fd mingw_SSL_set_fd
 136
 137static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
 138{
 139        return SSL_set_rfd(ssl, _get_osfhandle(fd));
 140}
 141#define SSL_set_rfd mingw_SSL_set_rfd
 142
 143static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
 144{
 145        return SSL_set_wfd(ssl, _get_osfhandle(fd));
 146}
 147#define SSL_set_wfd mingw_SSL_set_wfd
 148#endif
 149
 150/*
 151 * implementations of missing functions
 152 */
 153
 154int pipe(int filedes[2]);
 155unsigned int sleep (unsigned int seconds);
 156int mkstemp(char *template);
 157int gettimeofday(struct timeval *tv, void *tz);
 158struct tm *gmtime_r(const time_t *timep, struct tm *result);
 159struct tm *localtime_r(const time_t *timep, struct tm *result);
 160int getpagesize(void);  /* defined in MinGW's libgcc.a */
 161struct passwd *getpwuid(uid_t uid);
 162int setitimer(int type, struct itimerval *in, struct itimerval *out);
 163int sigaction(int sig, struct sigaction *in, struct sigaction *out);
 164int link(const char *oldpath, const char *newpath);
 165
 166/*
 167 * replacements of existing functions
 168 */
 169
 170int mingw_unlink(const char *pathname);
 171#define unlink mingw_unlink
 172
 173int mingw_rmdir(const char *path);
 174#define rmdir mingw_rmdir
 175
 176int mingw_open (const char *filename, int oflags, ...);
 177#define open mingw_open
 178
 179ssize_t mingw_write(int fd, const void *buf, size_t count);
 180#define write mingw_write
 181
 182FILE *mingw_fopen (const char *filename, const char *otype);
 183#define fopen mingw_fopen
 184
 185FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream);
 186#define freopen mingw_freopen
 187
 188char *mingw_getcwd(char *pointer, int len);
 189#define getcwd mingw_getcwd
 190
 191char *mingw_getenv(const char *name);
 192#define getenv mingw_getenv
 193
 194int mingw_gethostname(char *host, int namelen);
 195#define gethostname mingw_gethostname
 196
 197struct hostent *mingw_gethostbyname(const char *host);
 198#define gethostbyname mingw_gethostbyname
 199
 200void mingw_freeaddrinfo(struct addrinfo *res);
 201#define freeaddrinfo mingw_freeaddrinfo
 202
 203int mingw_getaddrinfo(const char *node, const char *service,
 204                      const struct addrinfo *hints, struct addrinfo **res);
 205#define getaddrinfo mingw_getaddrinfo
 206
 207int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
 208                      char *host, DWORD hostlen, char *serv, DWORD servlen,
 209                      int flags);
 210#define getnameinfo mingw_getnameinfo
 211
 212int mingw_socket(int domain, int type, int protocol);
 213#define socket mingw_socket
 214
 215int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
 216#define connect mingw_connect
 217
 218int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz);
 219#define bind mingw_bind
 220
 221int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen);
 222#define setsockopt mingw_setsockopt
 223
 224int mingw_shutdown(int sockfd, int how);
 225#define shutdown mingw_shutdown
 226
 227int mingw_listen(int sockfd, int backlog);
 228#define listen mingw_listen
 229
 230int mingw_accept(int sockfd, struct sockaddr *sa, socklen_t *sz);
 231#define accept mingw_accept
 232
 233int mingw_rename(const char*, const char*);
 234#define rename mingw_rename
 235
 236#if defined(USE_WIN32_MMAP) || defined(_MSC_VER)
 237int mingw_getpagesize(void);
 238#define getpagesize mingw_getpagesize
 239#endif
 240
 241struct rlimit {
 242        unsigned int rlim_cur;
 243};
 244#define RLIMIT_NOFILE 0
 245
 246static inline int getrlimit(int resource, struct rlimit *rlp)
 247{
 248        if (resource != RLIMIT_NOFILE) {
 249                errno = EINVAL;
 250                return -1;
 251        }
 252
 253        rlp->rlim_cur = 2048;
 254        return 0;
 255}
 256
 257/* Use mingw_lstat() instead of lstat()/stat() and
 258 * mingw_fstat() instead of fstat() on Windows.
 259 */
 260#define off_t off64_t
 261#define lseek _lseeki64
 262#ifndef ALREADY_DECLARED_STAT_FUNCS
 263#define stat _stati64
 264int mingw_lstat(const char *file_name, struct stat *buf);
 265int mingw_stat(const char *file_name, struct stat *buf);
 266int mingw_fstat(int fd, struct stat *buf);
 267#define fstat mingw_fstat
 268#define lstat mingw_lstat
 269#define _stati64(x,y) mingw_stat(x,y)
 270#endif
 271
 272int mingw_utime(const char *file_name, const struct utimbuf *times);
 273#define utime mingw_utime
 274
 275pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
 276                     const char *dir,
 277                     int fhin, int fhout, int fherr);
 278int mingw_execvp(const char *cmd, char *const *argv);
 279#define execvp mingw_execvp
 280int mingw_execv(const char *cmd, char *const *argv);
 281#define execv mingw_execv
 282
 283static inline unsigned int git_ntohl(unsigned int x)
 284{ return (unsigned int)ntohl(x); }
 285#define ntohl git_ntohl
 286
 287sig_handler_t mingw_signal(int sig, sig_handler_t handler);
 288#define signal mingw_signal
 289
 290/*
 291 * ANSI emulation wrappers
 292 */
 293
 294int winansi_fputs(const char *str, FILE *stream);
 295int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
 296int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
 297#define fputs winansi_fputs
 298#define printf(...) winansi_printf(__VA_ARGS__)
 299#define fprintf(...) winansi_fprintf(__VA_ARGS__)
 300
 301/*
 302 * git specific compatibility
 303 */
 304
 305#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
 306#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
 307static inline char *mingw_find_last_dir_sep(const char *path)
 308{
 309        char *ret = NULL;
 310        for (; *path; ++path)
 311                if (is_dir_sep(*path))
 312                        ret = (char *)path;
 313        return ret;
 314}
 315#define find_last_dir_sep mingw_find_last_dir_sep
 316#define PATH_SEP ';'
 317#define PRIuMAX "I64u"
 318
 319void mingw_open_html(const char *path);
 320#define open_html mingw_open_html
 321
 322/*
 323 * helpers
 324 */
 325
 326char **make_augmented_environ(const char *const *vars);
 327void free_environ(char **env);
 328
 329/*
 330 * A replacement of main() that ensures that argv[0] has a path
 331 * and that default fmode and std(in|out|err) are in binary mode
 332 */
 333
 334#define main(c,v) dummy_decl_mingw_main(); \
 335static int mingw_main(); \
 336int main(int argc, const char **argv) \
 337{ \
 338        extern CRITICAL_SECTION pinfo_cs; \
 339        _fmode = _O_BINARY; \
 340        _setmode(_fileno(stdin), _O_BINARY); \
 341        _setmode(_fileno(stdout), _O_BINARY); \
 342        _setmode(_fileno(stderr), _O_BINARY); \
 343        argv[0] = xstrdup(_pgmptr); \
 344        InitializeCriticalSection(&pinfo_cs); \
 345        return mingw_main(argc, argv); \
 346} \
 347static int mingw_main(c,v)
 348
 349/*
 350 * Used by Pthread API implementation for Windows
 351 */
 352extern int err_win_to_posix(DWORD winerr);