+#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
+
+extern 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 pid_t;
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 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 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_dir;
};
-extern char *getpass(const char *prompt);
-
typedef void (__cdecl *sig_handler_t)(int);
struct sigaction {
sig_handler_t sa_handler;
unsigned sa_flags;
};
-#define sigemptyset(x) (void)0
#define SA_RESTART 0
struct itimerval {
};
#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
{ 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 pid_t getppid(void)
-{ return 1; }
static inline void sync(void)
{}
static inline uid_t getuid(void)
errno = EINVAL;
return -1;
}
-/* bash cannot reliably detect negative return codes as failure */
-#define exit(code) exit((code) & 0xff)
+
+#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
*/
-static inline int mingw_mkdir(const char *path, int mode)
-{
- return mkdir(path);
-}
+int mingw_mkdir(const char *path, int mode);
#define mkdir mingw_mkdir
#define WNOHANG 1
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_open (const char *filename, int oflags, ...);
#define open mingw_open
-ssize_t mingw_write(int fd, const void *buf, size_t count);
-#define write mingw_write
+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);
-#define getenv mingw_getenv
+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
-void mingw_freeaddrinfo(struct addrinfo *res);
-#define freeaddrinfo mingw_freeaddrinfo
-
int mingw_getaddrinfo(const char *node, const char *service,
const struct addrinfo *hints, struct addrinfo **res);
#define getaddrinfo mingw_getaddrinfo
-int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen,
- char *host, DWORD hostlen, char *serv, DWORD servlen,
- int flags);
-#define getnameinfo mingw_getnameinfo
-
int mingw_socket(int domain, int type, int protocol);
#define socket mingw_socket
return 0;
}
-/* Use mingw_lstat() instead of lstat()/stat() and
- * mingw_fstat() instead of fstat() on Windows.
+/*
+ * 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 ALREADY_DECLARED_STAT_FUNCS
-#define stat _stati64
+struct timespec {
+ time_t tv_sec;
+ long tv_nsec;
+};
+#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
-#define lstat mingw_lstat
-#define _stati64(x,y) mingw_stat(x,y)
+#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,
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_fputs(const char *str, FILE *stream);
-int winansi_printf(const char *format, ...) __attribute__((format (printf, 1, 2)));
-int winansi_fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3)));
-#define fputs winansi_fputs
-#define printf(...) winansi_printf(__VA_ARGS__)
-#define fprintf(...) winansi_fprintf(__VA_ARGS__)
+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
*/
-#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
-#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
-static inline char *mingw_find_last_dir_sep(const char *path)
+static inline void convert_slashes(char *path)
{
- char *ret = NULL;
- for (; *path; ++path)
- if (is_dir_sep(*path))
- ret = (char *)path;
- return ret;
+ for (; *path; path++)
+ if (*path == '\\')
+ *path = '/';
}
-#define find_last_dir_sep mingw_find_last_dir_sep
#define PATH_SEP ';'
+extern 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
-void mingw_open_html(const char *path);
-#define open_html mingw_open_html
+/**
+ * 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
+ *
+ * Returns 1 upon success, otherwise 0.
+ */
+int is_valid_win32_path(const char *path);
+#define is_valid_path(path) is_valid_win32_path(path)
+
+/**
+ * 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);
-/*
- * helpers
+/**
+ * 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;
+}
-char **make_augmented_environ(const char *const *vars);
-void free_environ(char **env);
+/**
+ * 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(). Intialised in
+ * the replacement main() macro below.
+ */
+extern CRITICAL_SECTION pinfo_cs;
/*
- * A replacement of main() that ensures that argv[0] has a path
- * and that default fmode and std(in|out|err) are in binary mode
+ * A replacement of main() that adds win32 specific initialization.
*/
-#define main(c,v) dummy_decl_mingw_main(); \
-static int mingw_main(); \
+void mingw_startup(void);
+#define main(c,v) dummy_decl_mingw_main(void); \
+static int mingw_main(c,v); \
int main(int argc, const char **argv) \
{ \
- extern CRITICAL_SECTION pinfo_cs; \
- _fmode = _O_BINARY; \
- _setmode(_fileno(stdin), _O_BINARY); \
- _setmode(_fileno(stdout), _O_BINARY); \
- _setmode(_fileno(stderr), _O_BINARY); \
- argv[0] = xstrdup(_pgmptr); \
- InitializeCriticalSection(&pinfo_cs); \
- return mingw_main(argc, argv); \
+ mingw_startup(); \
+ return mingw_main(__argc, (void *)__argv); \
} \
static int mingw_main(c,v)
projects / platform / upstream / git.git / blobdiff