| #ifdef __MINGW64_VERSION_MAJOR |
| #include <stdint.h> |
| #include <wchar.h> |
| typedef _sigset_t sigset_t; |
| #endif |
| #include <winsock2.h> |
| #include <ws2tcpip.h> |
| |
| /* MinGW-w64 reports to have flockfile, but it does not actually have it. */ |
| #ifdef __MINGW64_VERSION_MAJOR |
| #undef _POSIX_THREAD_SAFE_FUNCTIONS |
| #endif |
| |
| int mingw_core_config(const char *var, const char *value, void *cb); |
| #define platform_core_config mingw_core_config |
| |
| /* |
| * things that are not available in header files |
| */ |
| |
| typedef int uid_t; |
| typedef int socklen_t; |
| #ifndef __MINGW64_VERSION_MAJOR |
| typedef int pid_t; |
| #define hstrerror strerror |
| #endif |
| |
| #define S_IFLNK 0120000 /* Symbolic link */ |
| #define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK) |
| #define S_ISSOCK(x) 0 |
| |
| #ifndef S_IRWXG |
| #define S_IRGRP 0 |
| #define S_IWGRP 0 |
| #define S_IXGRP 0 |
| #define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP) |
| #endif |
| #ifndef S_IRWXO |
| #define S_IROTH 0 |
| #define S_IWOTH 0 |
| #define S_IXOTH 0 |
| #define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH) |
| #endif |
| |
| #define S_ISUID 0004000 |
| #define S_ISGID 0002000 |
| #define S_ISVTX 0001000 |
| |
| #define WIFEXITED(x) 1 |
| #define WIFSIGNALED(x) 0 |
| #define WEXITSTATUS(x) ((x) & 0xff) |
| #define WTERMSIG(x) SIGTERM |
| |
| #ifndef EWOULDBLOCK |
| #define EWOULDBLOCK EAGAIN |
| #endif |
| #ifndef ELOOP |
| #define ELOOP EMLINK |
| #endif |
| #define SHUT_WR SD_SEND |
| |
| #define SIGHUP 1 |
| #define SIGQUIT 3 |
| #define SIGKILL 9 |
| #define SIGPIPE 13 |
| #define SIGALRM 14 |
| #define SIGCHLD 17 |
| |
| #define F_GETFD 1 |
| #define F_SETFD 2 |
| #define FD_CLOEXEC 0x1 |
| |
| #if !defined O_CLOEXEC && defined O_NOINHERIT |
| #define O_CLOEXEC O_NOINHERIT |
| #endif |
| |
| #ifndef EAFNOSUPPORT |
| #define EAFNOSUPPORT WSAEAFNOSUPPORT |
| #endif |
| #ifndef ECONNABORTED |
| #define ECONNABORTED WSAECONNABORTED |
| #endif |
| #ifndef ENOTSOCK |
| #define ENOTSOCK WSAENOTSOCK |
| #endif |
| |
| struct passwd { |
| char *pw_name; |
| char *pw_gecos; |
| char *pw_dir; |
| }; |
| |
| typedef void (__cdecl *sig_handler_t)(int); |
| struct sigaction { |
| sig_handler_t sa_handler; |
| unsigned sa_flags; |
| }; |
| #define SA_RESTART 0 |
| |
| struct itimerval { |
| struct timeval it_value, it_interval; |
| }; |
| #define ITIMER_REAL 0 |
| |
| struct utsname { |
| char sysname[16]; |
| char nodename[1]; |
| char release[16]; |
| char version[16]; |
| char machine[1]; |
| }; |
| |
| /* |
| * sanitize preprocessor namespace polluted by Windows headers defining |
| * macros which collide with git local versions |
| */ |
| #undef HELP_COMMAND /* from winuser.h */ |
| |
| /* |
| * trivial stubs |
| */ |
| |
| static inline int readlink(const char *path, char *buf, size_t bufsiz) |
| { errno = ENOSYS; return -1; } |
| static inline int symlink(const char *oldpath, const char *newpath) |
| { errno = ENOSYS; return -1; } |
| static inline int fchmod(int fildes, mode_t mode) |
| { errno = ENOSYS; return -1; } |
| #ifndef __MINGW64_VERSION_MAJOR |
| static inline pid_t fork(void) |
| { errno = ENOSYS; return -1; } |
| #endif |
| static inline unsigned int alarm(unsigned int seconds) |
| { return 0; } |
| static inline int fsync(int fd) |
| { return _commit(fd); } |
| static inline void sync(void) |
| {} |
| static inline uid_t getuid(void) |
| { return 1; } |
| static inline struct passwd *getpwnam(const char *name) |
| { return NULL; } |
| static inline int fcntl(int fd, int cmd, ...) |
| { |
| if (cmd == F_GETFD || cmd == F_SETFD) |
| return 0; |
| errno = EINVAL; |
| return -1; |
| } |
| |
| #define sigemptyset(x) (void)0 |
| static inline int sigaddset(sigset_t *set, int signum) |
| { return 0; } |
| #define SIG_BLOCK 0 |
| #define SIG_UNBLOCK 0 |
| static inline int sigprocmask(int how, const sigset_t *set, sigset_t *oldset) |
| { return 0; } |
| static inline pid_t getppid(void) |
| { return 1; } |
| static inline pid_t getpgid(pid_t pid) |
| { return pid == 0 ? getpid() : pid; } |
| static inline pid_t tcgetpgrp(int fd) |
| { return getpid(); } |
| |
| /* |
| * simple adaptors |
| */ |
| |
| int mingw_mkdir(const char *path, int mode); |
| #define mkdir mingw_mkdir |
| |
| #define WNOHANG 1 |
| pid_t waitpid(pid_t pid, int *status, int options); |
| |
| #define kill mingw_kill |
| int mingw_kill(pid_t pid, int sig); |
| |
| #ifndef NO_OPENSSL |
| #include <openssl/ssl.h> |
| static inline int mingw_SSL_set_fd(SSL *ssl, int fd) |
| { |
| return SSL_set_fd(ssl, _get_osfhandle(fd)); |
| } |
| #define SSL_set_fd mingw_SSL_set_fd |
| |
| static inline int mingw_SSL_set_rfd(SSL *ssl, int fd) |
| { |
| return SSL_set_rfd(ssl, _get_osfhandle(fd)); |
| } |
| #define SSL_set_rfd mingw_SSL_set_rfd |
| |
| static inline int mingw_SSL_set_wfd(SSL *ssl, int fd) |
| { |
| return SSL_set_wfd(ssl, _get_osfhandle(fd)); |
| } |
| #define SSL_set_wfd mingw_SSL_set_wfd |
| #endif |
| |
| /* |
| * implementations of missing functions |
| */ |
| |
| int pipe(int filedes[2]); |
| unsigned int sleep (unsigned int seconds); |
| int mkstemp(char *template); |
| int gettimeofday(struct timeval *tv, void *tz); |
| #ifndef __MINGW64_VERSION_MAJOR |
| struct tm *gmtime_r(const time_t *timep, struct tm *result); |
| struct tm *localtime_r(const time_t *timep, struct tm *result); |
| #endif |
| int getpagesize(void); /* defined in MinGW's libgcc.a */ |
| struct passwd *getpwuid(uid_t uid); |
| int setitimer(int type, struct itimerval *in, struct itimerval *out); |
| int sigaction(int sig, struct sigaction *in, struct sigaction *out); |
| int link(const char *oldpath, const char *newpath); |
| int uname(struct utsname *buf); |
| |
| /* |
| * replacements of existing functions |
| */ |
| |
| int mingw_unlink(const char *pathname); |
| #define unlink mingw_unlink |
| |
| int mingw_rmdir(const char *path); |
| #define rmdir mingw_rmdir |
| |
| int mingw_open (const char *filename, int oflags, ...); |
| #define open mingw_open |
| |
| int mingw_fgetc(FILE *stream); |
| #define fgetc mingw_fgetc |
| |
| FILE *mingw_fopen (const char *filename, const char *otype); |
| #define fopen mingw_fopen |
| |
| FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream); |
| #define freopen mingw_freopen |
| |
| int mingw_fflush(FILE *stream); |
| #define fflush mingw_fflush |
| |
| ssize_t mingw_write(int fd, const void *buf, size_t len); |
| #define write mingw_write |
| |
| int mingw_access(const char *filename, int mode); |
| #undef access |
| #define access mingw_access |
| |
| int mingw_chdir(const char *dirname); |
| #define chdir mingw_chdir |
| |
| int mingw_chmod(const char *filename, int mode); |
| #define chmod mingw_chmod |
| |
| char *mingw_mktemp(char *template); |
| #define mktemp mingw_mktemp |
| |
| char *mingw_getcwd(char *pointer, int len); |
| #define getcwd mingw_getcwd |
| |
| #ifdef NO_UNSETENV |
| #error "NO_UNSETENV is incompatible with the Windows-specific startup code!" |
| #endif |
| |
| /* |
| * We bind *env() routines (even the mingw_ ones) to private mingw_ versions. |
| * These talk to the CRT using UNICODE/wchar_t, but maintain the original |
| * narrow-char API. |
| * |
| * Note that the MSCRT maintains both ANSI (getenv()) and UNICODE (_wgetenv()) |
| * routines and stores both versions of each environment variable in parallel |
| * (and secretly updates both when you set one or the other), but it uses CP_ACP |
| * to do the conversion rather than CP_UTF8. |
| * |
| * Since everything in the git code base is UTF8, we define the mingw_ routines |
| * to access the CRT using the UNICODE routines and manually convert them to |
| * UTF8. This also avoids round-trip problems. |
| * |
| * This also helps with our linkage, since "_wenviron" is publicly exported |
| * from the CRT. But to access "_environ" we would have to statically link |
| * to the CRT (/MT). |
| * |
| * We require NO_SETENV (and let gitsetenv() call our mingw_putenv). |
| */ |
| #define getenv mingw_getenv |
| #define putenv mingw_putenv |
| #define unsetenv mingw_putenv |
| char *mingw_getenv(const char *name); |
| int mingw_putenv(const char *name); |
| |
| int mingw_gethostname(char *host, int namelen); |
| #define gethostname mingw_gethostname |
| |
| struct hostent *mingw_gethostbyname(const char *host); |
| #define gethostbyname mingw_gethostbyname |
| |
| int mingw_getaddrinfo(const char *node, const char *service, |
| const struct addrinfo *hints, struct addrinfo **res); |
| #define getaddrinfo mingw_getaddrinfo |
| |
| int mingw_socket(int domain, int type, int protocol); |
| #define socket mingw_socket |
| |
| int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz); |
| #define connect mingw_connect |
| |
| int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz); |
| #define bind mingw_bind |
| |
| int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen); |
| #define setsockopt mingw_setsockopt |
| |
| int mingw_shutdown(int sockfd, int how); |
| #define shutdown mingw_shutdown |
| |
| int mingw_listen(int sockfd, int backlog); |
| #define listen mingw_listen |
| |
| int mingw_accept(int sockfd, struct sockaddr *sa, socklen_t *sz); |
| #define accept mingw_accept |
| |
| int mingw_rename(const char*, const char*); |
| #define rename mingw_rename |
| |
| #if defined(USE_WIN32_MMAP) || defined(_MSC_VER) |
| int mingw_getpagesize(void); |
| #define getpagesize mingw_getpagesize |
| #endif |
| |
| struct rlimit { |
| unsigned int rlim_cur; |
| }; |
| #define RLIMIT_NOFILE 0 |
| |
| static inline int getrlimit(int resource, struct rlimit *rlp) |
| { |
| if (resource != RLIMIT_NOFILE) { |
| errno = EINVAL; |
| return -1; |
| } |
| |
| rlp->rlim_cur = 2048; |
| return 0; |
| } |
| |
| /* |
| * Use mingw specific stat()/lstat()/fstat() implementations on Windows, |
| * including our own struct stat with 64 bit st_size and nanosecond-precision |
| * file times. |
| */ |
| #ifndef __MINGW64_VERSION_MAJOR |
| #define off_t off64_t |
| #define lseek _lseeki64 |
| #ifndef _MSC_VER |
| struct timespec { |
| time_t tv_sec; |
| long tv_nsec; |
| }; |
| #endif |
| #endif |
| |
| struct mingw_stat { |
| _dev_t st_dev; |
| _ino_t st_ino; |
| _mode_t st_mode; |
| short st_nlink; |
| short st_uid; |
| short st_gid; |
| _dev_t st_rdev; |
| off64_t st_size; |
| struct timespec st_atim; |
| struct timespec st_mtim; |
| struct timespec st_ctim; |
| }; |
| |
| #define st_atime st_atim.tv_sec |
| #define st_mtime st_mtim.tv_sec |
| #define st_ctime st_ctim.tv_sec |
| |
| #ifdef stat |
| #undef stat |
| #endif |
| #define stat mingw_stat |
| int mingw_lstat(const char *file_name, struct stat *buf); |
| int mingw_stat(const char *file_name, struct stat *buf); |
| int mingw_fstat(int fd, struct stat *buf); |
| #ifdef fstat |
| #undef fstat |
| #endif |
| #define fstat mingw_fstat |
| #ifdef lstat |
| #undef lstat |
| #endif |
| #define lstat mingw_lstat |
| |
| |
| int mingw_utime(const char *file_name, const struct utimbuf *times); |
| #define utime mingw_utime |
| size_t mingw_strftime(char *s, size_t max, |
| const char *format, const struct tm *tm); |
| #define strftime mingw_strftime |
| |
| pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env, |
| const char *dir, |
| int fhin, int fhout, int fherr); |
| int mingw_execvp(const char *cmd, char *const *argv); |
| #define execvp mingw_execvp |
| int mingw_execv(const char *cmd, char *const *argv); |
| #define execv mingw_execv |
| |
| static inline unsigned int git_ntohl(unsigned int x) |
| { return (unsigned int)ntohl(x); } |
| #define ntohl git_ntohl |
| |
| sig_handler_t mingw_signal(int sig, sig_handler_t handler); |
| #define signal mingw_signal |
| |
| int mingw_raise(int sig); |
| #define raise mingw_raise |
| |
| /* |
| * ANSI emulation wrappers |
| */ |
| |
| int winansi_isatty(int fd); |
| #define isatty winansi_isatty |
| |
| int winansi_dup2(int oldfd, int newfd); |
| #define dup2 winansi_dup2 |
| |
| void winansi_init(void); |
| HANDLE winansi_get_osfhandle(int fd); |
| |
| /* |
| * git specific compatibility |
| */ |
| |
| static inline void convert_slashes(char *path) |
| { |
| for (; *path; path++) |
| if (*path == '\\') |
| *path = '/'; |
| } |
| #define PATH_SEP ';' |
| char *mingw_query_user_email(void); |
| #define query_user_email mingw_query_user_email |
| #if !defined(__MINGW64_VERSION_MAJOR) && (!defined(_MSC_VER) || _MSC_VER < 1800) |
| #define PRIuMAX "I64u" |
| #define PRId64 "I64d" |
| #else |
| #include <inttypes.h> |
| #endif |
| |
| /** |
| * Verifies that the specified path is owned by the user running the |
| * current process. |
| */ |
| int is_path_owned_by_current_sid(const char *path); |
| #define is_path_owned_by_current_user is_path_owned_by_current_sid |
| |
| /** |
| * Verifies that the given path is a valid one on Windows. |
| * |
| * In particular, path segments are disallowed which |
| * |
| * - end in a period or a space (except the special directories `.` and `..`). |
| * |
| * - contain any of the reserved characters, e.g. `:`, `;`, `*`, etc |
| * |
| * - correspond to reserved names (such as `AUX`, `PRN`, etc) |
| * |
| * The `allow_literal_nul` parameter controls whether the path `NUL` should |
| * be considered valid (this makes sense e.g. before opening files, as it is |
| * perfectly legitimate to open `NUL` on Windows, just as it is to open |
| * `/dev/null` on Unix/Linux). |
| * |
| * Returns 1 upon success, otherwise 0. |
| */ |
| int is_valid_win32_path(const char *path, int allow_literal_nul); |
| #define is_valid_path(path) is_valid_win32_path(path, 0) |
| |
| /** |
| * Converts UTF-8 encoded string to UTF-16LE. |
| * |
| * To support repositories with legacy-encoded file names, invalid UTF-8 bytes |
| * 0xa0 - 0xff are converted to corresponding printable Unicode chars \u00a0 - |
| * \u00ff, and invalid UTF-8 bytes 0x80 - 0x9f (which would make non-printable |
| * Unicode) are converted to hex-code. |
| * |
| * Lead-bytes not followed by an appropriate number of trail-bytes, over-long |
| * encodings and 4-byte encodings > \u10ffff are detected as invalid UTF-8. |
| * |
| * Maximum space requirement for the target buffer is two wide chars per UTF-8 |
| * char (((strlen(utf) * 2) + 1) [* sizeof(wchar_t)]). |
| * |
| * The maximum space is needed only if the entire input string consists of |
| * invalid UTF-8 bytes in range 0x80-0x9f, as per the following table: |
| * |
| * | | UTF-8 | UTF-16 | |
| * Code point | UTF-8 sequence | bytes | words | ratio |
| * --------------+-------------------+-------+--------+------- |
| * 000000-00007f | 0-7f | 1 | 1 | 1 |
| * 000080-0007ff | c2-df + 80-bf | 2 | 1 | 0.5 |
| * 000800-00ffff | e0-ef + 2 * 80-bf | 3 | 1 | 0.33 |
| * 010000-10ffff | f0-f4 + 3 * 80-bf | 4 | 2 (a) | 0.5 |
| * invalid | 80-9f | 1 | 2 (b) | 2 |
| * invalid | a0-ff | 1 | 1 | 1 |
| * |
| * (a) encoded as UTF-16 surrogate pair |
| * (b) encoded as two hex digits |
| * |
| * Note that, while the UTF-8 encoding scheme can be extended to 5-byte, 6-byte |
| * or even indefinite-byte sequences, the largest valid code point \u10ffff |
| * encodes as only 4 UTF-8 bytes. |
| * |
| * Parameters: |
| * wcs: wide char target buffer |
| * utf: string to convert |
| * wcslen: size of target buffer (in wchar_t's) |
| * utflen: size of string to convert, or -1 if 0-terminated |
| * |
| * Returns: |
| * length of converted string (_wcslen(wcs)), or -1 on failure |
| * |
| * Errors: |
| * EINVAL: one of the input parameters is invalid (e.g. NULL) |
| * ERANGE: the output buffer is too small |
| */ |
| int xutftowcsn(wchar_t *wcs, const char *utf, size_t wcslen, int utflen); |
| |
| /** |
| * Simplified variant of xutftowcsn, assumes input string is \0-terminated. |
| */ |
| static inline int xutftowcs(wchar_t *wcs, const char *utf, size_t wcslen) |
| { |
| return xutftowcsn(wcs, utf, wcslen, -1); |
| } |
| |
| /** |
| * Simplified file system specific variant of xutftowcsn, assumes output |
| * buffer size is MAX_PATH wide chars and input string is \0-terminated, |
| * fails with ENAMETOOLONG if input string is too long. |
| */ |
| static inline int xutftowcs_path(wchar_t *wcs, const char *utf) |
| { |
| int result = xutftowcsn(wcs, utf, MAX_PATH, -1); |
| if (result < 0 && errno == ERANGE) |
| errno = ENAMETOOLONG; |
| return result; |
| } |
| |
| /** |
| * Converts UTF-16LE encoded string to UTF-8. |
| * |
| * Maximum space requirement for the target buffer is three UTF-8 chars per |
| * wide char ((_wcslen(wcs) * 3) + 1). |
| * |
| * The maximum space is needed only if the entire input string consists of |
| * UTF-16 words in range 0x0800-0xd7ff or 0xe000-0xffff (i.e. \u0800-\uffff |
| * modulo surrogate pairs), as per the following table: |
| * |
| * | | UTF-16 | UTF-8 | |
| * Code point | UTF-16 sequence | words | bytes | ratio |
| * --------------+-----------------------+--------+-------+------- |
| * 000000-00007f | 0000-007f | 1 | 1 | 1 |
| * 000080-0007ff | 0080-07ff | 1 | 2 | 2 |
| * 000800-00ffff | 0800-d7ff / e000-ffff | 1 | 3 | 3 |
| * 010000-10ffff | d800-dbff + dc00-dfff | 2 | 4 | 2 |
| * |
| * Note that invalid code points > 10ffff cannot be represented in UTF-16. |
| * |
| * Parameters: |
| * utf: target buffer |
| * wcs: wide string to convert |
| * utflen: size of target buffer |
| * |
| * Returns: |
| * length of converted string, or -1 on failure |
| * |
| * Errors: |
| * EINVAL: one of the input parameters is invalid (e.g. NULL) |
| * ERANGE: the output buffer is too small |
| */ |
| int xwcstoutf(char *utf, const wchar_t *wcs, size_t utflen); |
| |
| /* |
| * A critical section used in the implementation of the spawn |
| * functions (mingw_spawnv[p]e()) and waitpid(). Initialised in |
| * the replacement main() macro below. |
| */ |
| extern CRITICAL_SECTION pinfo_cs; |
| |
| /* |
| * Git, like most portable C applications, implements a main() function. On |
| * Windows, this main() function would receive parameters encoded in the |
| * current locale, but Git for Windows would prefer UTF-8 encoded parameters. |
| * |
| * To make that happen, we still declare main() here, and then declare and |
| * implement wmain() (which is the Unicode variant of main()) and compile with |
| * -municode. This wmain() function reencodes the parameters from UTF-16 to |
| * UTF-8 format, sets up a couple of other things as required on Windows, and |
| * then hands off to the main() function. |
| */ |
| int wmain(int argc, const wchar_t **w_argv); |
| int main(int argc, const char **argv); |
| |
| /* |
| * For debugging: if a problem occurs, say, in a Git process that is spawned |
| * from another Git process which in turn is spawned from yet another Git |
| * process, it can be quite daunting to figure out what is going on. |
| * |
| * Call this function to open a new MinTTY (this assumes you are in Git for |
| * Windows' SDK) with a GDB that attaches to the current process right away. |
| */ |
| void open_in_gdb(void); |
| |
| /* |
| * Used by Pthread API implementation for Windows |
| */ |
| int err_win_to_posix(DWORD winerr); |