#include "../git-compat-util.h"
+#include "win32.h"
+#include <conio.h>
#include "../strbuf.h"
-unsigned int _CRT_fmode = _O_BINARY;
+#include <shellapi.h>
+
+static int err_win_to_posix(DWORD winerr)
+{
+ int error = ENOSYS;
+ switch(winerr) {
+ case ERROR_ACCESS_DENIED: error = EACCES; break;
+ case ERROR_ACCOUNT_DISABLED: error = EACCES; break;
+ case ERROR_ACCOUNT_RESTRICTION: error = EACCES; break;
+ case ERROR_ALREADY_ASSIGNED: error = EBUSY; break;
+ case ERROR_ALREADY_EXISTS: error = EEXIST; break;
+ case ERROR_ARITHMETIC_OVERFLOW: error = ERANGE; break;
+ case ERROR_BAD_COMMAND: error = EIO; break;
+ case ERROR_BAD_DEVICE: error = ENODEV; break;
+ case ERROR_BAD_DRIVER_LEVEL: error = ENXIO; break;
+ case ERROR_BAD_EXE_FORMAT: error = ENOEXEC; break;
+ case ERROR_BAD_FORMAT: error = ENOEXEC; break;
+ case ERROR_BAD_LENGTH: error = EINVAL; break;
+ case ERROR_BAD_PATHNAME: error = ENOENT; break;
+ case ERROR_BAD_PIPE: error = EPIPE; break;
+ case ERROR_BAD_UNIT: error = ENODEV; break;
+ case ERROR_BAD_USERNAME: error = EINVAL; break;
+ case ERROR_BROKEN_PIPE: error = EPIPE; break;
+ case ERROR_BUFFER_OVERFLOW: error = ENAMETOOLONG; break;
+ case ERROR_BUSY: error = EBUSY; break;
+ case ERROR_BUSY_DRIVE: error = EBUSY; break;
+ case ERROR_CALL_NOT_IMPLEMENTED: error = ENOSYS; break;
+ case ERROR_CANNOT_MAKE: error = EACCES; break;
+ case ERROR_CANTOPEN: error = EIO; break;
+ case ERROR_CANTREAD: error = EIO; break;
+ case ERROR_CANTWRITE: error = EIO; break;
+ case ERROR_CRC: error = EIO; break;
+ case ERROR_CURRENT_DIRECTORY: error = EACCES; break;
+ case ERROR_DEVICE_IN_USE: error = EBUSY; break;
+ case ERROR_DEV_NOT_EXIST: error = ENODEV; break;
+ case ERROR_DIRECTORY: error = EINVAL; break;
+ case ERROR_DIR_NOT_EMPTY: error = ENOTEMPTY; break;
+ case ERROR_DISK_CHANGE: error = EIO; break;
+ case ERROR_DISK_FULL: error = ENOSPC; break;
+ case ERROR_DRIVE_LOCKED: error = EBUSY; break;
+ case ERROR_ENVVAR_NOT_FOUND: error = EINVAL; break;
+ case ERROR_EXE_MARKED_INVALID: error = ENOEXEC; break;
+ case ERROR_FILENAME_EXCED_RANGE: error = ENAMETOOLONG; break;
+ case ERROR_FILE_EXISTS: error = EEXIST; break;
+ case ERROR_FILE_INVALID: error = ENODEV; break;
+ case ERROR_FILE_NOT_FOUND: error = ENOENT; break;
+ case ERROR_GEN_FAILURE: error = EIO; break;
+ case ERROR_HANDLE_DISK_FULL: error = ENOSPC; break;
+ case ERROR_INSUFFICIENT_BUFFER: error = ENOMEM; break;
+ case ERROR_INVALID_ACCESS: error = EACCES; break;
+ case ERROR_INVALID_ADDRESS: error = EFAULT; break;
+ case ERROR_INVALID_BLOCK: error = EFAULT; break;
+ case ERROR_INVALID_DATA: error = EINVAL; break;
+ case ERROR_INVALID_DRIVE: error = ENODEV; break;
+ case ERROR_INVALID_EXE_SIGNATURE: error = ENOEXEC; break;
+ case ERROR_INVALID_FLAGS: error = EINVAL; break;
+ case ERROR_INVALID_FUNCTION: error = ENOSYS; break;
+ case ERROR_INVALID_HANDLE: error = EBADF; break;
+ case ERROR_INVALID_LOGON_HOURS: error = EACCES; break;
+ case ERROR_INVALID_NAME: error = EINVAL; break;
+ case ERROR_INVALID_OWNER: error = EINVAL; break;
+ case ERROR_INVALID_PARAMETER: error = EINVAL; break;
+ case ERROR_INVALID_PASSWORD: error = EPERM; break;
+ case ERROR_INVALID_PRIMARY_GROUP: error = EINVAL; break;
+ case ERROR_INVALID_SIGNAL_NUMBER: error = EINVAL; break;
+ case ERROR_INVALID_TARGET_HANDLE: error = EIO; break;
+ case ERROR_INVALID_WORKSTATION: error = EACCES; break;
+ case ERROR_IO_DEVICE: error = EIO; break;
+ case ERROR_IO_INCOMPLETE: error = EINTR; break;
+ case ERROR_LOCKED: error = EBUSY; break;
+ case ERROR_LOCK_VIOLATION: error = EACCES; break;
+ case ERROR_LOGON_FAILURE: error = EACCES; break;
+ case ERROR_MAPPED_ALIGNMENT: error = EINVAL; break;
+ case ERROR_META_EXPANSION_TOO_LONG: error = E2BIG; break;
+ case ERROR_MORE_DATA: error = EPIPE; break;
+ case ERROR_NEGATIVE_SEEK: error = ESPIPE; break;
+ case ERROR_NOACCESS: error = EFAULT; break;
+ case ERROR_NONE_MAPPED: error = EINVAL; break;
+ case ERROR_NOT_ENOUGH_MEMORY: error = ENOMEM; break;
+ case ERROR_NOT_READY: error = EAGAIN; break;
+ case ERROR_NOT_SAME_DEVICE: error = EXDEV; break;
+ case ERROR_NO_DATA: error = EPIPE; break;
+ case ERROR_NO_MORE_SEARCH_HANDLES: error = EIO; break;
+ case ERROR_NO_PROC_SLOTS: error = EAGAIN; break;
+ case ERROR_NO_SUCH_PRIVILEGE: error = EACCES; break;
+ case ERROR_OPEN_FAILED: error = EIO; break;
+ case ERROR_OPEN_FILES: error = EBUSY; break;
+ case ERROR_OPERATION_ABORTED: error = EINTR; break;
+ case ERROR_OUTOFMEMORY: error = ENOMEM; break;
+ case ERROR_PASSWORD_EXPIRED: error = EACCES; break;
+ case ERROR_PATH_BUSY: error = EBUSY; break;
+ case ERROR_PATH_NOT_FOUND: error = ENOENT; break;
+ case ERROR_PIPE_BUSY: error = EBUSY; break;
+ case ERROR_PIPE_CONNECTED: error = EPIPE; break;
+ case ERROR_PIPE_LISTENING: error = EPIPE; break;
+ case ERROR_PIPE_NOT_CONNECTED: error = EPIPE; break;
+ case ERROR_PRIVILEGE_NOT_HELD: error = EACCES; break;
+ case ERROR_READ_FAULT: error = EIO; break;
+ case ERROR_SEEK: error = EIO; break;
+ case ERROR_SEEK_ON_DEVICE: error = ESPIPE; break;
+ case ERROR_SHARING_BUFFER_EXCEEDED: error = ENFILE; break;
+ case ERROR_SHARING_VIOLATION: error = EACCES; break;
+ case ERROR_STACK_OVERFLOW: error = ENOMEM; break;
+ case ERROR_SWAPERROR: error = ENOENT; break;
+ case ERROR_TOO_MANY_MODULES: error = EMFILE; break;
+ case ERROR_TOO_MANY_OPEN_FILES: error = EMFILE; break;
+ case ERROR_UNRECOGNIZED_MEDIA: error = ENXIO; break;
+ case ERROR_UNRECOGNIZED_VOLUME: error = ENODEV; break;
+ case ERROR_WAIT_NO_CHILDREN: error = ECHILD; break;
+ case ERROR_WRITE_FAULT: error = EIO; break;
+ case ERROR_WRITE_PROTECT: error = EROFS; break;
+ }
+ return error;
+}
#undef open
int mingw_open (const char *filename, int oflags, ...)
{
va_list args;
unsigned mode;
+ int fd;
+
va_start(args, oflags);
mode = va_arg(args, int);
va_end(args);
if (!strcmp(filename, "/dev/null"))
filename = "nul";
- int fd = open(filename, oflags, mode);
+
+ fd = open(filename, oflags, mode);
+
if (fd < 0 && (oflags & O_CREAT) && errno == EACCES) {
DWORD attrs = GetFileAttributes(filename);
if (attrs != INVALID_FILE_ATTRIBUTES && (attrs & FILE_ATTRIBUTE_DIRECTORY))
return (time_t)winTime;
}
-static inline size_t size_to_blocks(size_t s)
-{
- return (s+511)/512;
-}
-
-extern int _getdrive( void );
/* We keep the do_lstat code in a separate function to avoid recursion.
* When a path ends with a slash, the stat will fail with ENOENT. In
* this case, we strip the trailing slashes and stat again.
{
WIN32_FILE_ATTRIBUTE_DATA fdata;
- if (GetFileAttributesExA(file_name, GetFileExInfoStandard, &fdata)) {
- int fMode = S_IREAD;
- if (fdata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
- fMode |= S_IFDIR;
- else
- fMode |= S_IFREG;
- if (!(fdata.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
- fMode |= S_IWRITE;
-
+ if (!(errno = get_file_attr(file_name, &fdata))) {
buf->st_ino = 0;
buf->st_gid = 0;
buf->st_uid = 0;
- buf->st_mode = fMode;
- buf->st_size = fdata.nFileSizeLow; /* Can't use nFileSizeHigh, since it's not a stat64 */
- buf->st_blocks = size_to_blocks(buf->st_size);
- buf->st_dev = _getdrive() - 1;
+ buf->st_nlink = 1;
+ buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes);
+ buf->st_size = fdata.nFileSizeLow |
+ (((off_t)fdata.nFileSizeHigh)<<32);
+ buf->st_dev = buf->st_rdev = 0; /* not used by Git */
buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime));
buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime));
buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime));
- errno = 0;
return 0;
}
-
- switch (GetLastError()) {
- case ERROR_ACCESS_DENIED:
- case ERROR_SHARING_VIOLATION:
- case ERROR_LOCK_VIOLATION:
- case ERROR_SHARING_BUFFER_EXCEEDED:
- errno = EACCES;
- break;
- case ERROR_BUFFER_OVERFLOW:
- errno = ENAMETOOLONG;
- break;
- case ERROR_NOT_ENOUGH_MEMORY:
- errno = ENOMEM;
- break;
- default:
- errno = ENOENT;
- break;
- }
return -1;
}
* complete. Note that Git stat()s are redirected to mingw_lstat()
* too, since Windows doesn't really handle symlinks that well.
*/
-int mingw_lstat(const char *file_name, struct mingw_stat *buf)
+int mingw_lstat(const char *file_name, struct stat *buf)
{
int namelen;
static char alt_name[PATH_MAX];
}
#undef fstat
-#undef stat
-int mingw_fstat(int fd, struct mingw_stat *buf)
+int mingw_fstat(int fd, struct stat *buf)
{
HANDLE fh = (HANDLE)_get_osfhandle(fd);
BY_HANDLE_FILE_INFORMATION fdata;
return -1;
}
/* direct non-file handles to MS's fstat() */
- if (GetFileType(fh) != FILE_TYPE_DISK) {
- struct stat st;
- if (fstat(fd, &st))
- return -1;
- buf->st_ino = st.st_ino;
- buf->st_gid = st.st_gid;
- buf->st_uid = st.st_uid;
- buf->st_mode = st.st_mode;
- buf->st_size = st.st_size;
- buf->st_blocks = size_to_blocks(buf->st_size);
- buf->st_dev = st.st_dev;
- buf->st_atime = st.st_atime;
- buf->st_mtime = st.st_mtime;
- buf->st_ctime = st.st_ctime;
- return 0;
- }
+ if (GetFileType(fh) != FILE_TYPE_DISK)
+ return _fstati64(fd, buf);
if (GetFileInformationByHandle(fh, &fdata)) {
- int fMode = S_IREAD;
- if (fdata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
- fMode |= S_IFDIR;
- else
- fMode |= S_IFREG;
- if (!(fdata.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
- fMode |= S_IWRITE;
-
buf->st_ino = 0;
buf->st_gid = 0;
buf->st_uid = 0;
- buf->st_mode = fMode;
- buf->st_size = fdata.nFileSizeLow; /* Can't use nFileSizeHigh, since it's not a stat64 */
- buf->st_blocks = size_to_blocks(buf->st_size);
- buf->st_dev = _getdrive() - 1;
+ buf->st_nlink = 1;
+ buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes);
+ buf->st_size = fdata.nFileSizeLow |
+ (((off_t)fdata.nFileSizeHigh)<<32);
+ buf->st_dev = buf->st_rdev = 0; /* not used by Git */
buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime));
buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime));
buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime));
{
int i, pending;
- if (timeout != -1)
+ if (timeout >= 0) {
+ if (nfds == 0) {
+ Sleep(timeout);
+ return 0;
+ }
return errno = EINVAL, error("poll timeout not supported");
+ }
/* When there is only one fd to wait for, then we pretend that
* input is available and let the actual wait happen when the
* its own input data to become available. But since
* the process (pack-objects) is itself CPU intensive,
* it will happily pick up the time slice that we are
- * relinguishing here.
+ * relinquishing here.
*/
Sleep(0);
goto repeat;
const char *p = arg;
if (!*p) force_quotes = 1;
while (*p) {
- if (isspace(*p) || *p == '*' || *p == '?' || *p == '{')
+ if (isspace(*p) || *p == '*' || *p == '?' || *p == '{' || *p == '\'')
force_quotes = 1;
else if (*p == '"')
n++;
if (buf[0] != '#' || buf[1] != '!')
return NULL;
buf[n] = '\0';
- p = strchr(buf, '\n');
- if (!p)
+ p = buf + strcspn(buf, "\r\n");
+ if (!*p)
return NULL;
*p = '\0';
if (!n)
return NULL;
- path = xmalloc((n+1)*sizeof(char*));
+ path = xmalloc((n+1)*sizeof(char *));
p = envpath;
i = 0;
do {
static void free_path_split(char **path)
{
+ char **p = path;
+
if (!path)
return;
- char **p = path;
while (*p)
free(*p++);
free(path);
* would normally create a console window. But
* since we'll be redirecting std streams, we do
* not need the console.
+ * It is necessary to use DETACHED_PROCESS
+ * instead of CREATE_NO_WINDOW to make ssh
+ * recognize that it has no console.
*/
- flags = CREATE_NO_WINDOW;
+ flags = DETACHED_PROCESS;
} else {
/* There is already a console. If we specified
- * CREATE_NO_WINDOW here, too, Windows would
+ * DETACHED_PROCESS here, too, Windows would
* disassociate the child from the console.
+ * The same is true for CREATE_NO_WINDOW.
* Go figure!
*/
flags = 0;
free_path_split(path);
}
-char **copy_environ()
+static char **copy_environ(void)
{
char **env;
int i = 0;
/*
* If name contains '=', then sets the variable, otherwise it unsets it
*/
-char **env_setenv(char **env, const char *name)
+static char **env_setenv(char **env, const char *name)
{
char *eq = strchrnul(name, '=');
int i = lookup_env(env, name, eq-name);
return env;
}
+/*
+ * Copies global environ and adjusts variables as specified by vars.
+ */
+char **make_augmented_environ(const char *const *vars)
+{
+ char **env = copy_environ();
+
+ while (*vars)
+ env = env_setenv(env, *vars++);
+ return env;
+}
+
/* this is the first function to call into WS_32; initialize it */
#undef gethostbyname
struct hostent *mingw_gethostbyname(const char *host)
#undef rename
int mingw_rename(const char *pold, const char *pnew)
{
- DWORD attrs;
+ DWORD attrs, gle;
+ int tries = 0;
+ static const int delay[] = { 0, 1, 10, 20, 40 };
/*
* Try native rename() first to get errno right.
return 0;
if (errno != EEXIST)
return -1;
+repeat:
if (MoveFileEx(pold, pnew, MOVEFILE_REPLACE_EXISTING))
return 0;
/* TODO: translate more errors */
- if (GetLastError() == ERROR_ACCESS_DENIED &&
+ gle = GetLastError();
+ if (gle == ERROR_ACCESS_DENIED &&
(attrs = GetFileAttributes(pnew)) != INVALID_FILE_ATTRIBUTES) {
if (attrs & FILE_ATTRIBUTE_DIRECTORY) {
errno = EISDIR;
SetFileAttributes(pnew, attrs & ~FILE_ATTRIBUTE_READONLY)) {
if (MoveFileEx(pold, pnew, MOVEFILE_REPLACE_EXISTING))
return 0;
+ gle = GetLastError();
/* revert file attributes on failure */
SetFileAttributes(pnew, attrs);
}
}
+ if (tries < ARRAY_SIZE(delay) && gle == ERROR_ACCESS_DENIED) {
+ /*
+ * We assume that some other process had the source or
+ * destination file open at the wrong moment and retry.
+ * In order to give the other process a higher chance to
+ * complete its operation, we give up our time slice now.
+ * If we have to retry again, we do sleep a bit.
+ */
+ Sleep(delay[tries]);
+ tries++;
+ goto repeat;
+ }
errno = EACCES;
return -1;
}
* length to call the signal handler.
*/
-static __stdcall unsigned ticktack(void *dummy)
+static unsigned __stdcall ticktack(void *dummy)
{
while (WaitForSingleObject(timer_event, timer_interval) == WAIT_TIMEOUT) {
if (timer_fn == SIG_DFL)
#undef signal
sig_handler_t mingw_signal(int sig, sig_handler_t handler)
{
+ sig_handler_t old = timer_fn;
if (sig != SIGALRM)
return signal(sig, handler);
- sig_handler_t old = timer_fn;
timer_fn = handler;
return old;
}
printf("Launching default browser to display HTML ...\n");
ShellExecute(NULL, "open", htmlpath, NULL, "\\", 0);
}
+
+int link(const char *oldpath, const char *newpath)
+{
+ typedef BOOL (WINAPI *T)(const char*, const char*, LPSECURITY_ATTRIBUTES);
+ static T create_hard_link = NULL;
+ if (!create_hard_link) {
+ create_hard_link = (T) GetProcAddress(
+ GetModuleHandle("kernel32.dll"), "CreateHardLinkA");
+ if (!create_hard_link)
+ create_hard_link = (T)-1;
+ }
+ if (create_hard_link == (T)-1) {
+ errno = ENOSYS;
+ return -1;
+ }
+ if (!create_hard_link(newpath, oldpath, NULL)) {
+ errno = err_win_to_posix(GetLastError());
+ return -1;
+ }
+ return 0;
+}
+
+char *getpass(const char *prompt)
+{
+ struct strbuf buf = STRBUF_INIT;
+
+ fputs(prompt, stderr);
+ for (;;) {
+ char c = _getch();
+ if (c == '\r' || c == '\n')
+ break;
+ strbuf_addch(&buf, c);
+ }
+ fputs("\n", stderr);
+ return strbuf_detach(&buf, NULL);
+}
+
+#ifndef NO_MINGW_REPLACE_READDIR
+/* MinGW readdir implementation to avoid extra lstats for Git */
+struct mingw_DIR
+{
+ struct _finddata_t dd_dta; /* disk transfer area for this dir */
+ struct mingw_dirent dd_dir; /* Our own implementation, including d_type */
+ long dd_handle; /* _findnext handle */
+ int dd_stat; /* 0 = next entry to read is first entry, -1 = off the end, positive = 0 based index of next entry */
+ char dd_name[1]; /* given path for dir with search pattern (struct is extended) */
+};
+
+struct dirent *mingw_readdir(DIR *dir)
+{
+ WIN32_FIND_DATAA buf;
+ HANDLE handle;
+ struct mingw_DIR *mdir = (struct mingw_DIR*)dir;
+
+ if (!dir->dd_handle) {
+ errno = EBADF; /* No set_errno for mingw */
+ return NULL;
+ }
+
+ if (dir->dd_handle == (long)INVALID_HANDLE_VALUE && dir->dd_stat == 0)
+ {
+ DWORD lasterr;
+ handle = FindFirstFileA(dir->dd_name, &buf);
+ lasterr = GetLastError();
+ dir->dd_handle = (long)handle;
+ if (handle == INVALID_HANDLE_VALUE && (lasterr != ERROR_NO_MORE_FILES)) {
+ errno = err_win_to_posix(lasterr);
+ return NULL;
+ }
+ } else if (dir->dd_handle == (long)INVALID_HANDLE_VALUE) {
+ return NULL;
+ } else if (!FindNextFileA((HANDLE)dir->dd_handle, &buf)) {
+ DWORD lasterr = GetLastError();
+ FindClose((HANDLE)dir->dd_handle);
+ dir->dd_handle = (long)INVALID_HANDLE_VALUE;
+ /* POSIX says you shouldn't set errno when readdir can't
+ find any more files; so, if another error we leave it set. */
+ if (lasterr != ERROR_NO_MORE_FILES)
+ errno = err_win_to_posix(lasterr);
+ return NULL;
+ }
+
+ /* We get here if `buf' contains valid data. */
+ strcpy(dir->dd_dir.d_name, buf.cFileName);
+ ++dir->dd_stat;
+
+ /* Set file type, based on WIN32_FIND_DATA */
+ mdir->dd_dir.d_type = 0;
+ if (buf.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
+ mdir->dd_dir.d_type |= DT_DIR;
+ else
+ mdir->dd_dir.d_type |= DT_REG;
+
+ return (struct dirent*)&dir->dd_dir;
+}
+#endif // !NO_MINGW_REPLACE_READDIR