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e7779c2eca
By Ramsay Jones * rj/mingw-isguid: compat/mingw.h: Set S_ISUID to prevent a fast-import test failure
353 lines
8.7 KiB
C
353 lines
8.7 KiB
C
#include <winsock2.h>
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#include <ws2tcpip.h>
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/*
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* things that are not available in header files
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*/
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typedef int pid_t;
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typedef int uid_t;
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typedef int socklen_t;
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#define hstrerror strerror
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#define S_IFLNK 0120000 /* Symbolic link */
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#define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK)
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#define S_ISSOCK(x) 0
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#define S_IRGRP 0
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#define S_IWGRP 0
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#define S_IXGRP 0
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#define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
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#define S_IROTH 0
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#define S_IWOTH 0
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#define S_IXOTH 0
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#define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
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#define S_ISUID 0004000
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#define S_ISGID 0002000
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#define S_ISVTX 0001000
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#define WIFEXITED(x) 1
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#define WIFSIGNALED(x) 0
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#define WEXITSTATUS(x) ((x) & 0xff)
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#define WTERMSIG(x) SIGTERM
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#define EWOULDBLOCK EAGAIN
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#define SHUT_WR SD_SEND
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#define SIGHUP 1
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#define SIGQUIT 3
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#define SIGKILL 9
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#define SIGPIPE 13
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#define SIGALRM 14
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#define SIGCHLD 17
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#define F_GETFD 1
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#define F_SETFD 2
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#define FD_CLOEXEC 0x1
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#define EAFNOSUPPORT WSAEAFNOSUPPORT
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#define ECONNABORTED WSAECONNABORTED
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struct passwd {
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char *pw_name;
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char *pw_gecos;
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char *pw_dir;
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};
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extern char *getpass(const char *prompt);
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typedef void (__cdecl *sig_handler_t)(int);
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struct sigaction {
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sig_handler_t sa_handler;
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unsigned sa_flags;
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};
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#define sigemptyset(x) (void)0
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#define SA_RESTART 0
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struct itimerval {
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struct timeval it_value, it_interval;
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};
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#define ITIMER_REAL 0
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/*
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* sanitize preprocessor namespace polluted by Windows headers defining
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* macros which collide with git local versions
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*/
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#undef HELP_COMMAND /* from winuser.h */
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/*
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* trivial stubs
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*/
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static inline int readlink(const char *path, char *buf, size_t bufsiz)
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{ errno = ENOSYS; return -1; }
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static inline int symlink(const char *oldpath, const char *newpath)
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{ errno = ENOSYS; return -1; }
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static inline int fchmod(int fildes, mode_t mode)
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{ errno = ENOSYS; return -1; }
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static inline pid_t fork(void)
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{ errno = ENOSYS; return -1; }
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static inline unsigned int alarm(unsigned int seconds)
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{ return 0; }
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static inline int fsync(int fd)
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{ return _commit(fd); }
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static inline pid_t getppid(void)
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{ return 1; }
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static inline void sync(void)
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{}
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static inline uid_t getuid(void)
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{ return 1; }
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static inline struct passwd *getpwnam(const char *name)
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{ return NULL; }
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static inline int fcntl(int fd, int cmd, ...)
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{
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if (cmd == F_GETFD || cmd == F_SETFD)
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return 0;
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errno = EINVAL;
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return -1;
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}
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/* bash cannot reliably detect negative return codes as failure */
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#define exit(code) exit((code) & 0xff)
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/*
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* simple adaptors
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*/
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static inline int mingw_mkdir(const char *path, int mode)
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{
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return mkdir(path);
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}
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#define mkdir mingw_mkdir
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#define WNOHANG 1
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pid_t waitpid(pid_t pid, int *status, int options);
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#define kill mingw_kill
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int mingw_kill(pid_t pid, int sig);
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#ifndef NO_OPENSSL
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#include <openssl/ssl.h>
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static inline int mingw_SSL_set_fd(SSL *ssl, int fd)
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{
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return SSL_set_fd(ssl, _get_osfhandle(fd));
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}
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#define SSL_set_fd mingw_SSL_set_fd
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static inline int mingw_SSL_set_rfd(SSL *ssl, int fd)
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{
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return SSL_set_rfd(ssl, _get_osfhandle(fd));
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}
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#define SSL_set_rfd mingw_SSL_set_rfd
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static inline int mingw_SSL_set_wfd(SSL *ssl, int fd)
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{
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return SSL_set_wfd(ssl, _get_osfhandle(fd));
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}
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#define SSL_set_wfd mingw_SSL_set_wfd
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#endif
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/*
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* implementations of missing functions
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*/
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int pipe(int filedes[2]);
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unsigned int sleep (unsigned int seconds);
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int mkstemp(char *template);
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int gettimeofday(struct timeval *tv, void *tz);
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struct tm *gmtime_r(const time_t *timep, struct tm *result);
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struct tm *localtime_r(const time_t *timep, struct tm *result);
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int getpagesize(void); /* defined in MinGW's libgcc.a */
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struct passwd *getpwuid(uid_t uid);
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int setitimer(int type, struct itimerval *in, struct itimerval *out);
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int sigaction(int sig, struct sigaction *in, struct sigaction *out);
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int link(const char *oldpath, const char *newpath);
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/*
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* replacements of existing functions
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*/
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int mingw_unlink(const char *pathname);
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#define unlink mingw_unlink
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int mingw_rmdir(const char *path);
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#define rmdir mingw_rmdir
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int mingw_open (const char *filename, int oflags, ...);
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#define open mingw_open
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ssize_t mingw_write(int fd, const void *buf, size_t count);
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#define write mingw_write
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FILE *mingw_fopen (const char *filename, const char *otype);
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#define fopen mingw_fopen
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FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream);
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#define freopen mingw_freopen
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char *mingw_getcwd(char *pointer, int len);
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#define getcwd mingw_getcwd
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char *mingw_getenv(const char *name);
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#define getenv mingw_getenv
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int mingw_gethostname(char *host, int namelen);
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#define gethostname mingw_gethostname
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struct hostent *mingw_gethostbyname(const char *host);
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#define gethostbyname mingw_gethostbyname
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void mingw_freeaddrinfo(struct addrinfo *res);
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#define freeaddrinfo mingw_freeaddrinfo
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int mingw_getaddrinfo(const char *node, const char *service,
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const struct addrinfo *hints, struct addrinfo **res);
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#define getaddrinfo mingw_getaddrinfo
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int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
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char *host, DWORD hostlen, char *serv, DWORD servlen,
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int flags);
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#define getnameinfo mingw_getnameinfo
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int mingw_socket(int domain, int type, int protocol);
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#define socket mingw_socket
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int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
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#define connect mingw_connect
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int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz);
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#define bind mingw_bind
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int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen);
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#define setsockopt mingw_setsockopt
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int mingw_shutdown(int sockfd, int how);
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#define shutdown mingw_shutdown
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int mingw_listen(int sockfd, int backlog);
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#define listen mingw_listen
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int mingw_accept(int sockfd, struct sockaddr *sa, socklen_t *sz);
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#define accept mingw_accept
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int mingw_rename(const char*, const char*);
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#define rename mingw_rename
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#if defined(USE_WIN32_MMAP) || defined(_MSC_VER)
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int mingw_getpagesize(void);
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#define getpagesize mingw_getpagesize
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#endif
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struct rlimit {
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unsigned int rlim_cur;
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};
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#define RLIMIT_NOFILE 0
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static inline int getrlimit(int resource, struct rlimit *rlp)
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{
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if (resource != RLIMIT_NOFILE) {
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errno = EINVAL;
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return -1;
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}
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rlp->rlim_cur = 2048;
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return 0;
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}
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/* Use mingw_lstat() instead of lstat()/stat() and
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* mingw_fstat() instead of fstat() on Windows.
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*/
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#define off_t off64_t
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#define lseek _lseeki64
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#ifndef ALREADY_DECLARED_STAT_FUNCS
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#define stat _stati64
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int mingw_lstat(const char *file_name, struct stat *buf);
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int mingw_stat(const char *file_name, struct stat *buf);
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int mingw_fstat(int fd, struct stat *buf);
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#define fstat mingw_fstat
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#define lstat mingw_lstat
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#define _stati64(x,y) mingw_stat(x,y)
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#endif
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int mingw_utime(const char *file_name, const struct utimbuf *times);
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#define utime mingw_utime
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pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
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const char *dir,
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int fhin, int fhout, int fherr);
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int mingw_execvp(const char *cmd, char *const *argv);
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#define execvp mingw_execvp
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int mingw_execv(const char *cmd, char *const *argv);
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#define execv mingw_execv
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static inline unsigned int git_ntohl(unsigned int x)
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{ return (unsigned int)ntohl(x); }
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#define ntohl git_ntohl
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sig_handler_t mingw_signal(int sig, sig_handler_t handler);
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#define signal mingw_signal
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/*
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* ANSI emulation wrappers
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*/
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int winansi_fputs(const char *str, FILE *stream);
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int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
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int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
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#define fputs winansi_fputs
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#define printf(...) winansi_printf(__VA_ARGS__)
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#define fprintf(...) winansi_fprintf(__VA_ARGS__)
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/*
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* git specific compatibility
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*/
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#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
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#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
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static inline char *mingw_find_last_dir_sep(const char *path)
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{
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char *ret = NULL;
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for (; *path; ++path)
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if (is_dir_sep(*path))
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ret = (char *)path;
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return ret;
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}
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#define find_last_dir_sep mingw_find_last_dir_sep
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#define PATH_SEP ';'
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#define PRIuMAX "I64u"
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void mingw_open_html(const char *path);
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#define open_html mingw_open_html
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/*
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* helpers
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*/
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char **make_augmented_environ(const char *const *vars);
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void free_environ(char **env);
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/*
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* A replacement of main() that ensures that argv[0] has a path
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* and that default fmode and std(in|out|err) are in binary mode
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*/
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#define main(c,v) dummy_decl_mingw_main(); \
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static int mingw_main(); \
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int main(int argc, const char **argv) \
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{ \
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extern CRITICAL_SECTION pinfo_cs; \
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_fmode = _O_BINARY; \
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_setmode(_fileno(stdin), _O_BINARY); \
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_setmode(_fileno(stdout), _O_BINARY); \
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_setmode(_fileno(stderr), _O_BINARY); \
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argv[0] = xstrdup(_pgmptr); \
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InitializeCriticalSection(&pinfo_cs); \
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return mingw_main(argc, argv); \
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} \
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static int mingw_main(c,v)
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/*
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* Used by Pthread API implementation for Windows
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*/
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extern int err_win_to_posix(DWORD winerr);
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