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