#include "../git-compat-util.h"
+#include "win32.h"
#include "../strbuf.h"
unsigned int _CRT_fmode = _O_BINARY;
return fd;
}
+static inline time_t filetime_to_time_t(const FILETIME *ft)
+{
+ long long winTime = ((long long)ft->dwHighDateTime << 32) + ft->dwLowDateTime;
+ winTime -= 116444736000000000LL; /* Windows to Unix Epoch conversion */
+ winTime /= 10000000; /* Nano to seconds resolution */
+ return (time_t)winTime;
+}
+
+/* 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.
+ */
+static int do_lstat(const char *file_name, struct stat *buf)
+{
+ WIN32_FILE_ATTRIBUTE_DATA fdata;
+
+ if (!(errno = get_file_attr(file_name, &fdata))) {
+ buf->st_ino = 0;
+ buf->st_gid = 0;
+ buf->st_uid = 0;
+ buf->st_nlink = 1;
+ buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes);
+ buf->st_size = fdata.nFileSizeLow; /* Can't use nFileSizeHigh, since it's not a stat64 */
+ 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));
+ return 0;
+ }
+ return -1;
+}
+
+/* We provide our own lstat/fstat functions, since the provided
+ * lstat/fstat functions are so slow. These stat functions are
+ * tailored for Git's usage (read: fast), and are not meant to be
+ * 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 stat *buf)
+{
+ int namelen;
+ static char alt_name[PATH_MAX];
+
+ if (!do_lstat(file_name, buf))
+ return 0;
+
+ /* if file_name ended in a '/', Windows returned ENOENT;
+ * try again without trailing slashes
+ */
+ if (errno != ENOENT)
+ return -1;
+
+ namelen = strlen(file_name);
+ if (namelen && file_name[namelen-1] != '/')
+ return -1;
+ while (namelen && file_name[namelen-1] == '/')
+ --namelen;
+ if (!namelen || namelen >= PATH_MAX)
+ return -1;
+
+ memcpy(alt_name, file_name, namelen);
+ alt_name[namelen] = 0;
+ return do_lstat(alt_name, buf);
+}
+
+#undef fstat
+int mingw_fstat(int fd, struct stat *buf)
+{
+ HANDLE fh = (HANDLE)_get_osfhandle(fd);
+ BY_HANDLE_FILE_INFORMATION fdata;
+
+ if (fh == INVALID_HANDLE_VALUE) {
+ errno = EBADF;
+ return -1;
+ }
+ /* direct non-file handles to MS's fstat() */
+ if (GetFileType(fh) != FILE_TYPE_DISK)
+ return fstat(fd, buf);
+
+ if (GetFileInformationByHandle(fh, &fdata)) {
+ buf->st_ino = 0;
+ buf->st_gid = 0;
+ buf->st_uid = 0;
+ buf->st_nlink = 1;
+ buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes);
+ buf->st_size = fdata.nFileSizeLow; /* Can't use nFileSizeHigh, since it's not a stat64 */
+ 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));
+ return 0;
+ }
+ errno = EBADF;
+ return -1;
+}
+
+static inline void time_t_to_filetime(time_t t, FILETIME *ft)
+{
+ long long winTime = t * 10000000LL + 116444736000000000LL;
+ ft->dwLowDateTime = winTime;
+ ft->dwHighDateTime = winTime >> 32;
+}
+
+int mingw_utime (const char *file_name, const struct utimbuf *times)
+{
+ FILETIME mft, aft;
+ int fh, rc;
+
+ /* must have write permission */
+ if ((fh = open(file_name, O_RDWR | O_BINARY)) < 0)
+ return -1;
+
+ time_t_to_filetime(times->modtime, &mft);
+ time_t_to_filetime(times->actime, &aft);
+ if (!SetFileTime((HANDLE)_get_osfhandle(fh), NULL, &aft, &mft)) {
+ errno = EINVAL;
+ rc = -1;
+ } else
+ rc = 0;
+ close(fh);
+ return rc;
+}
+
unsigned int sleep (unsigned int seconds)
{
Sleep(seconds*1000);
{
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
return ret;
}
+#undef getenv
+char *mingw_getenv(const char *name)
+{
+ char *result = getenv(name);
+ if (!result && !strcmp(name, "TMPDIR")) {
+ /* on Windows it is TMP and TEMP */
+ result = getenv("TMP");
+ if (!result)
+ result = getenv("TEMP");
+ }
+ return result;
+}
+
/*
* See http://msdn2.microsoft.com/en-us/library/17w5ykft(vs.71).aspx
* (Parsing C++ Command-Line Arguments)
return xstrdup(path);
path[strlen(path)-4] = '\0';
if ((!exe_only || isexe) && access(path, F_OK) == 0)
- return xstrdup(path);
+ if (!(GetFileAttributes(path) & FILE_ATTRIBUTE_DIRECTORY))
+ return xstrdup(path);
return NULL;
}
* 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;
#undef rename
int mingw_rename(const char *pold, const char *pnew)
{
+ DWORD attrs;
+
/*
* Try native rename() first to get errno right.
* It is based on MoveFile(), which cannot overwrite existing files.
if (MoveFileEx(pold, pnew, MOVEFILE_REPLACE_EXISTING))
return 0;
/* TODO: translate more errors */
- if (GetLastError() == ERROR_ACCESS_DENIED) {
- DWORD attrs = GetFileAttributes(pnew);
- if (attrs != INVALID_FILE_ATTRIBUTES && (attrs & FILE_ATTRIBUTE_DIRECTORY)) {
+ if (GetLastError() == ERROR_ACCESS_DENIED &&
+ (attrs = GetFileAttributes(pnew)) != INVALID_FILE_ATTRIBUTES) {
+ if (attrs & FILE_ATTRIBUTE_DIRECTORY) {
errno = EISDIR;
return -1;
}
+ if ((attrs & FILE_ATTRIBUTE_READONLY) &&
+ SetFileAttributes(pnew, attrs & ~FILE_ATTRIBUTE_READONLY)) {
+ if (MoveFileEx(pold, pnew, MOVEFILE_REPLACE_EXISTING))
+ return 0;
+ /* revert file attributes on failure */
+ SetFileAttributes(pnew, attrs);
+ }
}
errno = EACCES;
return -1;
timer_fn = handler;
return old;
}
+
+static const char *make_backslash_path(const char *path)
+{
+ static char buf[PATH_MAX + 1];
+ char *c;
+
+ if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX)
+ die("Too long path: %.*s", 60, path);
+
+ for (c = buf; *c; c++) {
+ if (*c == '/')
+ *c = '\\';
+ }
+ return buf;
+}
+
+void mingw_open_html(const char *unixpath)
+{
+ const char *htmlpath = make_backslash_path(unixpath);
+ printf("Launching default browser to display HTML ...\n");
+ ShellExecute(NULL, "open", htmlpath, NULL, "\\", 0);
+}