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
 122#define WNOHANG 1
 123pid_t waitpid(pid_t pid, int *status, int options);
 124
 125#define kill mingw_kill
 126int mingw_kill(pid_t pid, int sig);
 127
 128#ifndef NO_OPENSSL
 129#include <openssl/ssl.h>
 130static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
 131{
 132        return SSL_set_fd(ssl, _get_osfhandle(fd));
 133}
 134#define SSL_set_fd mingw_SSL_set_fd
 135
 136static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
 137{
 138        return SSL_set_rfd(ssl, _get_osfhandle(fd));
 139}
 140#define SSL_set_rfd mingw_SSL_set_rfd
 141
 142static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
 143{
 144        return SSL_set_wfd(ssl, _get_osfhandle(fd));
 145}
 146#define SSL_set_wfd mingw_SSL_set_wfd
 147#endif
 148
 149/*
 150 * implementations of missing functions
 151 */
 152
 153int pipe(int filedes[2]);
 154unsigned int sleep (unsigned int seconds);
 155int mkstemp(char *template);
 156int gettimeofday(struct timeval *tv, void *tz);
 157struct tm *gmtime_r(const time_t *timep, struct tm *result);
 158struct tm *localtime_r(const time_t *timep, struct tm *result);
 159int getpagesize(void);  /* defined in MinGW's libgcc.a */
 160struct passwd *getpwuid(uid_t uid);
 161int setitimer(int type, struct itimerval *in, struct itimerval *out);
 162int sigaction(int sig, struct sigaction *in, struct sigaction *out);
 163int link(const char *oldpath, const char *newpath);
 164
 165/*
 166 * replacements of existing functions
 167 */
 168
 169int mingw_unlink(const char *pathname);
 170#define unlink mingw_unlink
 171
 172int mingw_rmdir(const char *path);
 173#define rmdir mingw_rmdir
 174
 175int mingw_open (const char *filename, int oflags, ...);
 176#define open mingw_open
 177
 178ssize_t mingw_write(int fd, const void *buf, size_t count);
 179#define write mingw_write
 180
 181FILE *mingw_fopen (const char *filename, const char *otype);
 182#define fopen mingw_fopen
 183
 184FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream);
 185#define freopen mingw_freopen
 186
 187char *mingw_getcwd(char *pointer, int len);
 188#define getcwd mingw_getcwd
 189
 190char *mingw_getenv(const char *name);
 191#define getenv mingw_getenv
 192
 193int mingw_gethostname(char *host, int namelen);
 194#define gethostname mingw_gethostname
 195
 196struct hostent *mingw_gethostbyname(const char *host);
 197#define gethostbyname mingw_gethostbyname
 198
 199void mingw_freeaddrinfo(struct addrinfo *res);
 200#define freeaddrinfo mingw_freeaddrinfo
 201
 202int mingw_getaddrinfo(const char *node, const char *service,
 203                      const struct addrinfo *hints, struct addrinfo **res);
 204#define getaddrinfo mingw_getaddrinfo
 205
 206int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
 207                      char *host, DWORD hostlen, char *serv, DWORD servlen,
 208                      int flags);
 209#define getnameinfo mingw_getnameinfo
 210
 211int mingw_socket(int domain, int type, int protocol);
 212#define socket mingw_socket
 213
 214int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
 215#define connect mingw_connect
 216
 217int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz);
 218#define bind mingw_bind
 219
 220int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen);
 221#define setsockopt mingw_setsockopt
 222
 223int mingw_shutdown(int sockfd, int how);
 224#define shutdown mingw_shutdown
 225
 226int mingw_listen(int sockfd, int backlog);
 227#define listen mingw_listen
 228
 229int mingw_accept(int sockfd, struct sockaddr *sa, socklen_t *sz);
 230#define accept mingw_accept
 231
 232int mingw_rename(const char*, const char*);
 233#define rename mingw_rename
 234
 235#if defined(USE_WIN32_MMAP) || defined(_MSC_VER)
 236int mingw_getpagesize(void);
 237#define getpagesize mingw_getpagesize
 238#endif
 239
 240struct rlimit {
 241        unsigned int rlim_cur;
 242};
 243#define RLIMIT_NOFILE 0
 244
 245static inline int getrlimit(int resource, struct rlimit *rlp)
 246{
 247        if (resource != RLIMIT_NOFILE) {
 248                errno = EINVAL;
 249                return -1;
 250        }
 251
 252        rlp->rlim_cur = 2048;
 253        return 0;
 254}
 255
 256/* Use mingw_lstat() instead of lstat()/stat() and
 257 * mingw_fstat() instead of fstat() on Windows.
 258 */
 259#define off_t off64_t
 260#define lseek _lseeki64
 261#ifndef ALREADY_DECLARED_STAT_FUNCS
 262#define stat _stati64
 263int mingw_lstat(const char *file_name, struct stat *buf);
 264int mingw_stat(const char *file_name, struct stat *buf);
 265int mingw_fstat(int fd, struct stat *buf);
 266#define fstat mingw_fstat
 267#define lstat mingw_lstat
 268#define _stati64(x,y) mingw_stat(x,y)
 269#endif
 270
 271int mingw_utime(const char *file_name, const struct utimbuf *times);
 272#define utime mingw_utime
 273
 274pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
 275                     const char *dir,
 276                     int fhin, int fhout, int fherr);
 277int mingw_execvp(const char *cmd, char *const *argv);
 278#define execvp mingw_execvp
 279int mingw_execv(const char *cmd, char *const *argv);
 280#define execv mingw_execv
 281
 282static inline unsigned int git_ntohl(unsigned int x)
 283{ return (unsigned int)ntohl(x); }
 284#define ntohl git_ntohl
 285
 286sig_handler_t mingw_signal(int sig, sig_handler_t handler);
 287#define signal mingw_signal
 288
 289/*
 290 * ANSI emulation wrappers
 291 */
 292
 293int winansi_fputs(const char *str, FILE *stream);
 294int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
 295int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
 296#define fputs winansi_fputs
 297#define printf(...) winansi_printf(__VA_ARGS__)
 298#define fprintf(...) winansi_fprintf(__VA_ARGS__)
 299
 300/*
 301 * git specific compatibility
 302 */
 303
 304#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
 305#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
 306static inline char *mingw_find_last_dir_sep(const char *path)
 307{
 308        char *ret = NULL;
 309        for (; *path; ++path)
 310                if (is_dir_sep(*path))
 311                        ret = (char *)path;
 312        return ret;
 313}
 314#define find_last_dir_sep mingw_find_last_dir_sep
 315#define PATH_SEP ';'
 316#define PRIuMAX "I64u"
 317
 318void mingw_open_html(const char *path);
 319#define open_html mingw_open_html
 320
 321/*
 322 * helpers
 323 */
 324
 325char **make_augmented_environ(const char *const *vars);
 326void free_environ(char **env);
 327
 328/*
 329 * A replacement of main() that ensures that argv[0] has a path
 330 * and that default fmode and std(in|out|err) are in binary mode
 331 */
 332
 333#define main(c,v) dummy_decl_mingw_main(); \
 334static int mingw_main(); \
 335int main(int argc, const char **argv) \
 336{ \
 337        extern CRITICAL_SECTION pinfo_cs; \
 338        _fmode = _O_BINARY; \
 339        _setmode(_fileno(stdin), _O_BINARY); \
 340        _setmode(_fileno(stdout), _O_BINARY); \
 341        _setmode(_fileno(stderr), _O_BINARY); \
 342        argv[0] = xstrdup(_pgmptr); \
 343        InitializeCriticalSection(&pinfo_cs); \
 344        return mingw_main(argc, argv); \
 345} \
 346static int mingw_main(c,v)
 347
 348/*
 349 * Used by Pthread API implementation for Windows
 350 */
 351extern int err_win_to_posix(DWORD winerr);