diff options
Diffstat (limited to 'third_party/git/compat/mingw.h')
| -rw-r--r-- | third_party/git/compat/mingw.h | 614 |
1 files changed, 0 insertions, 614 deletions
diff --git a/third_party/git/compat/mingw.h b/third_party/git/compat/mingw.h deleted file mode 100644 index af8eddd73edb..000000000000 --- a/third_party/git/compat/mingw.h +++ /dev/null @@ -1,614 +0,0 @@ -#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 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); |