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#ifndef _STAT_H_
  18#define S_IRUSR 0
  19#define S_IWUSR 0
  20#define S_IXUSR 0
  21#define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
  22#endif
  23#define S_IRGRP 0
  24#define S_IWGRP 0
  25#define S_IXGRP 0
  26#define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
  27#define S_IROTH 0
  28#define S_IWOTH 0
  29#define S_IXOTH 0
  30#define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
  31#define S_ISUID 0
  32#define S_ISGID 0
  33#define S_ISVTX 0
  34
  35#define WIFEXITED(x) 1
  36#define WIFSIGNALED(x) 0
  37#define WEXITSTATUS(x) ((x) & 0xff)
  38#define WTERMSIG(x) SIGTERM
  39
  40#define SIGHUP 1
  41#define SIGQUIT 3
  42#define SIGKILL 9
  43#define SIGPIPE 13
  44#define SIGALRM 14
  45#define SIGCHLD 17
  46
  47#define F_GETFD 1
  48#define F_SETFD 2
  49#define FD_CLOEXEC 0x1
  50
  51#define EAFNOSUPPORT WSAEAFNOSUPPORT
  52#define ECONNABORTED WSAECONNABORTED
  53
  54struct passwd {
  55        char *pw_name;
  56        char *pw_gecos;
  57        char *pw_dir;
  58};
  59
  60extern char *getpass(const char *prompt);
  61
  62typedef void (__cdecl *sig_handler_t)(int);
  63struct sigaction {
  64        sig_handler_t sa_handler;
  65        unsigned sa_flags;
  66};
  67#define sigemptyset(x) (void)0
  68#define SA_RESTART 0
  69
  70struct itimerval {
  71        struct timeval it_value, it_interval;
  72};
  73#define ITIMER_REAL 0
  74
  75/*
  76 * sanitize preprocessor namespace polluted by Windows headers defining
  77 * macros which collide with git local versions
  78 */
  79#undef HELP_COMMAND /* from winuser.h */
  80
  81/*
  82 * trivial stubs
  83 */
  84
  85static inline int readlink(const char *path, char *buf, size_t bufsiz)
  86{ errno = ENOSYS; return -1; }
  87static inline int symlink(const char *oldpath, const char *newpath)
  88{ errno = ENOSYS; return -1; }
  89static inline int fchmod(int fildes, mode_t mode)
  90{ errno = ENOSYS; return -1; }
  91static inline pid_t fork(void)
  92{ errno = ENOSYS; return -1; }
  93static inline unsigned int alarm(unsigned int seconds)
  94{ return 0; }
  95static inline int fsync(int fd)
  96{ return _commit(fd); }
  97static inline pid_t getppid(void)
  98{ return 1; }
  99static inline void sync(void)
 100{}
 101static inline uid_t getuid(void)
 102{ return 1; }
 103static inline struct passwd *getpwnam(const char *name)
 104{ return NULL; }
 105static inline int fcntl(int fd, int cmd, ...)
 106{
 107        if (cmd == F_GETFD || cmd == F_SETFD)
 108                return 0;
 109        errno = EINVAL;
 110        return -1;
 111}
 112/* bash cannot reliably detect negative return codes as failure */
 113#define exit(code) exit((code) & 0xff)
 114
 115/*
 116 * simple adaptors
 117 */
 118
 119static inline int mingw_mkdir(const char *path, int mode)
 120{
 121        return mkdir(path);
 122}
 123#define mkdir mingw_mkdir
 124
 125static inline int mingw_unlink(const char *pathname)
 126{
 127        /* read-only files cannot be removed */
 128        chmod(pathname, 0666);
 129        return unlink(pathname);
 130}
 131#define unlink mingw_unlink
 132
 133#define WNOHANG 1
 134pid_t waitpid(pid_t pid, int *status, unsigned options);
 135
 136#define kill mingw_kill
 137int mingw_kill(pid_t pid, int sig);
 138
 139#ifndef NO_OPENSSL
 140#include <openssl/ssl.h>
 141static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
 142{
 143        return SSL_set_fd(ssl, _get_osfhandle(fd));
 144}
 145#define SSL_set_fd mingw_SSL_set_fd
 146
 147static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
 148{
 149        return SSL_set_rfd(ssl, _get_osfhandle(fd));
 150}
 151#define SSL_set_rfd mingw_SSL_set_rfd
 152
 153static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
 154{
 155        return SSL_set_wfd(ssl, _get_osfhandle(fd));
 156}
 157#define SSL_set_wfd mingw_SSL_set_wfd
 158#endif
 159
 160/*
 161 * implementations of missing functions
 162 */
 163
 164int pipe(int filedes[2]);
 165unsigned int sleep (unsigned int seconds);
 166int mkstemp(char *template);
 167int gettimeofday(struct timeval *tv, void *tz);
 168struct tm *gmtime_r(const time_t *timep, struct tm *result);
 169struct tm *localtime_r(const time_t *timep, struct tm *result);
 170int getpagesize(void);  /* defined in MinGW's libgcc.a */
 171struct passwd *getpwuid(uid_t uid);
 172int setitimer(int type, struct itimerval *in, struct itimerval *out);
 173int sigaction(int sig, struct sigaction *in, struct sigaction *out);
 174int link(const char *oldpath, const char *newpath);
 175
 176/*
 177 * replacements of existing functions
 178 */
 179
 180int mingw_open (const char *filename, int oflags, ...);
 181#define open mingw_open
 182
 183ssize_t mingw_write(int fd, const void *buf, size_t count);
 184#define write mingw_write
 185
 186FILE *mingw_fopen (const char *filename, const char *otype);
 187#define fopen mingw_fopen
 188
 189FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream);
 190#define freopen mingw_freopen
 191
 192char *mingw_getcwd(char *pointer, int len);
 193#define getcwd mingw_getcwd
 194
 195char *mingw_getenv(const char *name);
 196#define getenv mingw_getenv
 197
 198struct hostent *mingw_gethostbyname(const char *host);
 199#define gethostbyname mingw_gethostbyname
 200
 201void mingw_freeaddrinfo(struct addrinfo *res);
 202#define freeaddrinfo mingw_freeaddrinfo
 203
 204int mingw_getaddrinfo(const char *node, const char *service,
 205                      const struct addrinfo *hints, struct addrinfo **res);
 206#define getaddrinfo mingw_getaddrinfo
 207
 208int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
 209                      char *host, DWORD hostlen, char *serv, DWORD servlen,
 210                      int flags);
 211#define getnameinfo mingw_getnameinfo
 212
 213int mingw_socket(int domain, int type, int protocol);
 214#define socket mingw_socket
 215
 216int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
 217#define connect mingw_connect
 218
 219int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz);
 220#define bind mingw_bind
 221
 222int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen);
 223#define setsockopt mingw_setsockopt
 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
 239/* Use mingw_lstat() instead of lstat()/stat() and
 240 * mingw_fstat() instead of fstat() on Windows.
 241 */
 242#define off_t off64_t
 243#define lseek _lseeki64
 244#ifndef ALREADY_DECLARED_STAT_FUNCS
 245#define stat _stati64
 246int mingw_lstat(const char *file_name, struct stat *buf);
 247int mingw_stat(const char *file_name, struct stat *buf);
 248int mingw_fstat(int fd, struct stat *buf);
 249#define fstat mingw_fstat
 250#define lstat mingw_lstat
 251#define _stati64(x,y) mingw_stat(x,y)
 252#endif
 253
 254int mingw_utime(const char *file_name, const struct utimbuf *times);
 255#define utime mingw_utime
 256
 257pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
 258                     const char *dir,
 259                     int fhin, int fhout, int fherr);
 260void mingw_execvp(const char *cmd, char *const *argv);
 261#define execvp mingw_execvp
 262void mingw_execv(const char *cmd, char *const *argv);
 263#define execv mingw_execv
 264
 265static inline unsigned int git_ntohl(unsigned int x)
 266{ return (unsigned int)ntohl(x); }
 267#define ntohl git_ntohl
 268
 269sig_handler_t mingw_signal(int sig, sig_handler_t handler);
 270#define signal mingw_signal
 271
 272/*
 273 * ANSI emulation wrappers
 274 */
 275
 276int winansi_fputs(const char *str, FILE *stream);
 277int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
 278int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
 279#define fputs winansi_fputs
 280#define printf(...) winansi_printf(__VA_ARGS__)
 281#define fprintf(...) winansi_fprintf(__VA_ARGS__)
 282
 283/*
 284 * git specific compatibility
 285 */
 286
 287#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
 288#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
 289#define PATH_SEP ';'
 290#define PRIuMAX "I64u"
 291
 292void mingw_open_html(const char *path);
 293#define open_html mingw_open_html
 294
 295/*
 296 * helpers
 297 */
 298
 299char **make_augmented_environ(const char *const *vars);
 300void free_environ(char **env);
 301
 302/*
 303 * A replacement of main() that ensures that argv[0] has a path
 304 * and that default fmode and std(in|out|err) are in binary mode
 305 */
 306
 307#define main(c,v) dummy_decl_mingw_main(); \
 308static int mingw_main(); \
 309int main(int argc, const char **argv) \
 310{ \
 311        extern CRITICAL_SECTION pinfo_cs; \
 312        _fmode = _O_BINARY; \
 313        _setmode(_fileno(stdin), _O_BINARY); \
 314        _setmode(_fileno(stdout), _O_BINARY); \
 315        _setmode(_fileno(stderr), _O_BINARY); \
 316        argv[0] = xstrdup(_pgmptr); \
 317        InitializeCriticalSection(&pinfo_cs); \
 318        return mingw_main(argc, argv); \
 319} \
 320static int mingw_main(c,v)
 321
 322#ifndef NO_MINGW_REPLACE_READDIR
 323/*
 324 * A replacement of readdir, to ensure that it reads the file type at
 325 * the same time. This avoid extra unneeded lstats in git on MinGW
 326 */
 327#undef DT_UNKNOWN
 328#undef DT_DIR
 329#undef DT_REG
 330#undef DT_LNK
 331#define DT_UNKNOWN      0
 332#define DT_DIR          1
 333#define DT_REG          2
 334#define DT_LNK          3
 335
 336struct mingw_dirent
 337{
 338        long            d_ino;                  /* Always zero. */
 339        union {
 340                unsigned short  d_reclen;       /* Always zero. */
 341                unsigned char   d_type;         /* Reimplementation adds this */
 342        };
 343        unsigned short  d_namlen;               /* Length of name in d_name. */
 344        char            d_name[FILENAME_MAX];   /* File name. */
 345};
 346#define dirent mingw_dirent
 347#define readdir(x) mingw_readdir(x)
 348struct dirent *mingw_readdir(DIR *dir);
 349#endif // !NO_MINGW_REPLACE_READDIR
 350
 351/*
 352 * Used by Pthread API implementation for Windows
 353 */
 354extern int err_win_to_posix(DWORD winerr);