Andrew's git - gitweb.git/blob

51993ef114b4743267fc7b922dcae68345d2fd0a
   1#include <winsock2.h>
   2
   3/*
   4 * things that are not available in header files
   5 */
   6
   7typedef int pid_t;
   8#define hstrerror strerror
   9
  10#define S_IFLNK    0120000 /* Symbolic link */
  11#define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK)
  12#define S_ISSOCK(x) 0
  13#define S_IRGRP 0
  14#define S_IWGRP 0
  15#define S_IXGRP 0
  16#define S_ISGID 0
  17#define S_IROTH 0
  18#define S_IXOTH 0
  19
  20#define WIFEXITED(x) 1
  21#define WIFSIGNALED(x) 0
  22#define WEXITSTATUS(x) ((x) & 0xff)
  23#define WTERMSIG(x) SIGTERM
  24
  25#define SIGHUP 1
  26#define SIGQUIT 3
  27#define SIGKILL 9
  28#define SIGPIPE 13
  29#define SIGALRM 14
  30#define SIGCHLD 17
  31
  32#define F_GETFD 1
  33#define F_SETFD 2
  34#define FD_CLOEXEC 0x1
  35
  36struct passwd {
  37        char *pw_name;
  38        char *pw_gecos;
  39        char *pw_dir;
  40};
  41
  42extern char *getpass(const char *prompt);
  43
  44#ifndef POLLIN
  45struct pollfd {
  46        int fd;           /* file descriptor */
  47        short events;     /* requested events */
  48        short revents;    /* returned events */
  49};
  50#define POLLIN 1
  51#define POLLHUP 2
  52#endif
  53
  54typedef void (__cdecl *sig_handler_t)(int);
  55struct sigaction {
  56        sig_handler_t sa_handler;
  57        unsigned sa_flags;
  58};
  59#define sigemptyset(x) (void)0
  60#define SA_RESTART 0
  61
  62struct itimerval {
  63        struct timeval it_value, it_interval;
  64};
  65#define ITIMER_REAL 0
  66
  67/*
  68 * trivial stubs
  69 */
  70
  71static inline int readlink(const char *path, char *buf, size_t bufsiz)
  72{ errno = ENOSYS; return -1; }
  73static inline int symlink(const char *oldpath, const char *newpath)
  74{ errno = ENOSYS; return -1; }
  75static inline int fchmod(int fildes, mode_t mode)
  76{ errno = ENOSYS; return -1; }
  77static inline int fork(void)
  78{ errno = ENOSYS; return -1; }
  79static inline unsigned int alarm(unsigned int seconds)
  80{ return 0; }
  81static inline int fsync(int fd)
  82{ return 0; }
  83static inline int getppid(void)
  84{ return 1; }
  85static inline void sync(void)
  86{}
  87static inline int getuid()
  88{ return 1; }
  89static inline struct passwd *getpwnam(const char *name)
  90{ return NULL; }
  91static inline int fcntl(int fd, int cmd, long arg)
  92{
  93        if (cmd == F_GETFD || cmd == F_SETFD)
  94                return 0;
  95        errno = EINVAL;
  96        return -1;
  97}
  98/* bash cannot reliably detect negative return codes as failure */
  99#define exit(code) exit((code) & 0xff)
 100
 101/*
 102 * simple adaptors
 103 */
 104
 105static inline int mingw_mkdir(const char *path, int mode)
 106{
 107        return mkdir(path);
 108}
 109#define mkdir mingw_mkdir
 110
 111static inline int mingw_unlink(const char *pathname)
 112{
 113        /* read-only files cannot be removed */
 114        chmod(pathname, 0666);
 115        return unlink(pathname);
 116}
 117#define unlink mingw_unlink
 118
 119static inline int waitpid(pid_t pid, int *status, unsigned options)
 120{
 121        if (options == 0)
 122                return _cwait(status, pid, 0);
 123        errno = EINVAL;
 124        return -1;
 125}
 126
 127#ifndef NO_OPENSSL
 128#include <openssl/ssl.h>
 129static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
 130{
 131        return SSL_set_fd(ssl, _get_osfhandle(fd));
 132}
 133#define SSL_set_fd mingw_SSL_set_fd
 134
 135static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
 136{
 137        return SSL_set_rfd(ssl, _get_osfhandle(fd));
 138}
 139#define SSL_set_rfd mingw_SSL_set_rfd
 140
 141static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
 142{
 143        return SSL_set_wfd(ssl, _get_osfhandle(fd));
 144}
 145#define SSL_set_wfd mingw_SSL_set_wfd
 146#endif
 147
 148/*
 149 * implementations of missing functions
 150 */
 151
 152int pipe(int filedes[2]);
 153unsigned int sleep (unsigned int seconds);
 154int mkstemp(char *template);
 155int gettimeofday(struct timeval *tv, void *tz);
 156int poll(struct pollfd *ufds, unsigned int nfds, int timeout);
 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(int 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_open (const char *filename, int oflags, ...);
 170#define open mingw_open
 171
 172char *mingw_getcwd(char *pointer, int len);
 173#define getcwd mingw_getcwd
 174
 175char *mingw_getenv(const char *name);
 176#define getenv mingw_getenv
 177
 178struct hostent *mingw_gethostbyname(const char *host);
 179#define gethostbyname mingw_gethostbyname
 180
 181int mingw_socket(int domain, int type, int protocol);
 182#define socket mingw_socket
 183
 184int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
 185#define connect mingw_connect
 186
 187int mingw_rename(const char*, const char*);
 188#define rename mingw_rename
 189
 190#if defined(USE_WIN32_MMAP) || defined(_MSC_VER)
 191int mingw_getpagesize(void);
 192#define getpagesize mingw_getpagesize
 193#endif
 194
 195/* Use mingw_lstat() instead of lstat()/stat() and
 196 * mingw_fstat() instead of fstat() on Windows.
 197 */
 198#define off_t off64_t
 199#define stat _stati64
 200#define lseek _lseeki64
 201int mingw_lstat(const char *file_name, struct stat *buf);
 202int mingw_fstat(int fd, struct stat *buf);
 203#define fstat mingw_fstat
 204#define lstat mingw_lstat
 205#define _stati64(x,y) mingw_lstat(x,y)
 206
 207int mingw_utime(const char *file_name, const struct utimbuf *times);
 208#define utime mingw_utime
 209
 210pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env);
 211void mingw_execvp(const char *cmd, char *const *argv);
 212#define execvp mingw_execvp
 213
 214static inline unsigned int git_ntohl(unsigned int x)
 215{ return (unsigned int)ntohl(x); }
 216#define ntohl git_ntohl
 217
 218sig_handler_t mingw_signal(int sig, sig_handler_t handler);
 219#define signal mingw_signal
 220
 221/*
 222 * ANSI emulation wrappers
 223 */
 224
 225int winansi_fputs(const char *str, FILE *stream);
 226int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
 227int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
 228#define fputs winansi_fputs
 229#define printf(...) winansi_printf(__VA_ARGS__)
 230#define fprintf(...) winansi_fprintf(__VA_ARGS__)
 231
 232/*
 233 * git specific compatibility
 234 */
 235
 236#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
 237#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
 238#define PATH_SEP ';'
 239#define PRIuMAX "I64u"
 240
 241void mingw_open_html(const char *path);
 242#define open_html mingw_open_html
 243
 244/*
 245 * helpers
 246 */
 247
 248char **make_augmented_environ(const char *const *vars);
 249void free_environ(char **env);
 250
 251/*
 252 * A replacement of main() that ensures that argv[0] has a path
 253 * and that default fmode and std(in|out|err) are in binary mode
 254 */
 255
 256#define main(c,v) dummy_decl_mingw_main(); \
 257static int mingw_main(); \
 258int main(int argc, const char **argv) \
 259{ \
 260        _fmode = _O_BINARY; \
 261        _setmode(_fileno(stdin), _O_BINARY); \
 262        _setmode(_fileno(stdout), _O_BINARY); \
 263        _setmode(_fileno(stderr), _O_BINARY); \
 264        argv[0] = xstrdup(_pgmptr); \
 265        return mingw_main(argc, argv); \
 266} \
 267static int mingw_main(c,v)
 268
 269#ifndef NO_MINGW_REPLACE_READDIR
 270/*
 271 * A replacement of readdir, to ensure that it reads the file type at
 272 * the same time. This avoid extra unneeded lstats in git on MinGW
 273 */
 274#undef DT_UNKNOWN
 275#undef DT_DIR
 276#undef DT_REG
 277#undef DT_LNK
 278#define DT_UNKNOWN      0
 279#define DT_DIR          1
 280#define DT_REG          2
 281#define DT_LNK          3
 282
 283struct mingw_dirent
 284{
 285        long            d_ino;                  /* Always zero. */
 286        union {
 287                unsigned short  d_reclen;       /* Always zero. */
 288                unsigned char   d_type;         /* Reimplementation adds this */
 289        };
 290        unsigned short  d_namlen;               /* Length of name in d_name. */
 291        char            d_name[FILENAME_MAX];   /* File name. */
 292};
 293#define dirent mingw_dirent
 294#define readdir(x) mingw_readdir(x)
 295struct dirent *mingw_readdir(DIR *dir);
 296#endif // !NO_MINGW_REPLACE_READDIR