return ret;
}
+static inline int needs_hiding(const char *path)
+{
+ const char *basename;
+
+ if (hide_dotfiles == HIDE_DOTFILES_FALSE)
+ return 0;
+
+ /* We cannot use basename(), as it would remove trailing slashes */
+ mingw_skip_dos_drive_prefix((char **)&path);
+ if (!*path)
+ return 0;
+
+ for (basename = path; *path; path++)
+ if (is_dir_sep(*path)) {
+ do {
+ path++;
+ } while (is_dir_sep(*path));
+ /* ignore trailing slashes */
+ if (*path)
+ basename = path;
+ }
+
+ if (hide_dotfiles == HIDE_DOTFILES_TRUE)
+ return *basename == '.';
+
+ assert(hide_dotfiles == HIDE_DOTFILES_DOTGITONLY);
+ return !strncasecmp(".git", basename, 4) &&
+ (!basename[4] || is_dir_sep(basename[4]));
+}
+
+static int set_hidden_flag(const wchar_t *path, int set)
+{
+ DWORD original = GetFileAttributesW(path), modified;
+ if (set)
+ modified = original | FILE_ATTRIBUTE_HIDDEN;
+ else
+ modified = original & ~FILE_ATTRIBUTE_HIDDEN;
+ if (original == modified || SetFileAttributesW(path, modified))
+ return 0;
+ errno = err_win_to_posix(GetLastError());
+ return -1;
+}
+
int mingw_mkdir(const char *path, int mode)
{
int ret;
if (xutftowcs_path(wpath, path) < 0)
return -1;
ret = _wmkdir(wpath);
+ if (!ret && needs_hiding(path))
+ return set_hidden_flag(wpath, 1);
return ret;
}
if (attrs != INVALID_FILE_ATTRIBUTES && (attrs & FILE_ATTRIBUTE_DIRECTORY))
errno = EISDIR;
}
+ if ((oflags & O_CREAT) && needs_hiding(filename)) {
+ /*
+ * Internally, _wopen() uses the CreateFile() API which errors
+ * out with an ERROR_ACCESS_DENIED if CREATE_ALWAYS was
+ * specified and an already existing file's attributes do not
+ * match *exactly*. As there is no mode or flag we can set that
+ * would correspond to FILE_ATTRIBUTE_HIDDEN, let's just try
+ * again *without* the O_CREAT flag (that corresponds to the
+ * CREATE_ALWAYS flag of CreateFile()).
+ */
+ if (fd < 0 && errno == EACCES)
+ fd = _wopen(wfilename, oflags & ~O_CREAT, mode);
+ if (fd >= 0 && set_hidden_flag(wfilename, 1))
+ warning("could not mark '%s' as hidden.", filename);
+ }
return fd;
}
#undef fopen
FILE *mingw_fopen (const char *filename, const char *otype)
{
+ int hide = needs_hiding(filename);
FILE *file;
wchar_t wfilename[MAX_PATH], wotype[4];
if (filename && !strcmp(filename, "/dev/null"))
if (xutftowcs_path(wfilename, filename) < 0 ||
xutftowcs(wotype, otype, ARRAY_SIZE(wotype)) < 0)
return NULL;
+ if (hide && !access(filename, F_OK) && set_hidden_flag(wfilename, 0)) {
+ error("could not unhide %s", filename);
+ return NULL;
+ }
file = _wfopen(wfilename, wotype);
+ if (file && hide && set_hidden_flag(wfilename, 1))
+ warning("could not mark '%s' as hidden.", filename);
return file;
}
FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream)
{
+ int hide = needs_hiding(filename);
FILE *file;
wchar_t wfilename[MAX_PATH], wotype[4];
if (filename && !strcmp(filename, "/dev/null"))
if (xutftowcs_path(wfilename, filename) < 0 ||
xutftowcs(wotype, otype, ARRAY_SIZE(wotype)) < 0)
return NULL;
+ if (hide && !access(filename, F_OK) && set_hidden_flag(wfilename, 0)) {
+ error("could not unhide %s", filename);
+ return NULL;
+ }
file = _wfreopen(wfilename, wotype, stream);
+ if (file && hide && set_hidden_flag(wfilename, 1))
+ warning("could not mark '%s' as hidden.", filename);
return file;
}
return (time_t)(filetime_to_hnsec(ft) / 10000000);
}
+/**
+ * Verifies that safe_create_leading_directories() would succeed.
+ */
+static int has_valid_directory_prefix(wchar_t *wfilename)
+{
+ int n = wcslen(wfilename);
+
+ while (n > 0) {
+ wchar_t c = wfilename[--n];
+ DWORD attributes;
+
+ if (!is_dir_sep(c))
+ continue;
+
+ wfilename[n] = L'\0';
+ attributes = GetFileAttributesW(wfilename);
+ wfilename[n] = c;
+ if (attributes == FILE_ATTRIBUTE_DIRECTORY ||
+ attributes == FILE_ATTRIBUTE_DEVICE)
+ return 1;
+ if (attributes == INVALID_FILE_ATTRIBUTES)
+ switch (GetLastError()) {
+ case ERROR_PATH_NOT_FOUND:
+ continue;
+ case ERROR_FILE_NOT_FOUND:
+ /* This implies parent directory exists. */
+ return 1;
+ }
+ return 0;
+ }
+ return 1;
+}
+
/* 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.
case ERROR_NOT_ENOUGH_MEMORY:
errno = ENOMEM;
break;
+ case ERROR_PATH_NOT_FOUND:
+ if (!has_valid_directory_prefix(wfilename)) {
+ errno = ENOTDIR;
+ break;
+ }
+ /* fallthru */
default:
errno = ENOENT;
break;
char *mingw_getcwd(char *pointer, int len)
{
- int i;
wchar_t wpointer[MAX_PATH];
if (!_wgetcwd(wpointer, ARRAY_SIZE(wpointer)))
return NULL;
if (xwcstoutf(pointer, wpointer, len) < 0)
return NULL;
- for (i = 0; pointer[i]; i++)
- if (pointer[i] == '\\')
- pointer[i] = '/';
+ convert_slashes(pointer);
return pointer;
}
return arg;
/* insert \ where necessary */
- d = q = xmalloc(len+n+3);
+ d = q = xmalloc(st_add3(len, n, 3));
*d++ = '"';
while (*arg) {
if (*arg == '"')
if (!n)
return NULL;
- path = xmalloc((n+1)*sizeof(char *));
+ ALLOC_ARRAY(path, n + 1);
p = envpath;
i = 0;
do {
i++;
/* copy the environment, leaving space for changes */
- tmpenv = xmalloc((size + i) * sizeof(char*));
+ ALLOC_ARRAY(tmpenv, size + i);
memcpy(tmpenv, environ, size * sizeof(char*));
/* merge supplied environment changes into the temporary environment */
free(quoted);
}
- wargs = xmalloc((2 * args.len + 1) * sizeof(wchar_t));
+ ALLOC_ARRAY(wargs, st_add(st_mult(2, args.len), 1));
xutftowcs(wargs, args.buf, 2 * args.len + 1);
strbuf_release(&args);
int argc = 0;
const char **argv2;
while (argv[argc]) argc++;
- argv2 = xmalloc(sizeof(*argv) * (argc+1));
+ ALLOC_ARRAY(argv2, argc + 1);
argv2[0] = (char *)cmd; /* full path to the script file */
memcpy(&argv2[1], &argv[1], sizeof(*argv) * argc);
pid = mingw_spawnv(prog, argv2, 1);
if (gle == ERROR_ACCESS_DENIED &&
(attrs = GetFileAttributesW(wpnew)) != INVALID_FILE_ATTRIBUTES) {
if (attrs & FILE_ATTRIBUTE_DIRECTORY) {
- errno = EISDIR;
+ DWORD attrsold = GetFileAttributesW(wpold);
+ if (attrsold == INVALID_FILE_ATTRIBUTES ||
+ !(attrsold & FILE_ATTRIBUTE_DIRECTORY))
+ errno = EISDIR;
+ else if (!_wrmdir(wpnew))
+ goto repeat;
return -1;
}
if ((attrs & FILE_ATTRIBUTE_READONLY) &&
return -1;
}
+int mingw_skip_dos_drive_prefix(char **path)
+{
+ int ret = has_dos_drive_prefix(*path);
+ *path += ret;
+ return ret;
+}
+
int mingw_offset_1st_component(const char *path)
{
- int offset = 0;
- if (has_dos_drive_prefix(path))
- offset = 2;
+ char *pos = (char *)path;
/* unc paths */
- else if (is_dir_sep(path[0]) && is_dir_sep(path[1])) {
-
+ if (!skip_dos_drive_prefix(&pos) &&
+ is_dir_sep(pos[0]) && is_dir_sep(pos[1])) {
/* skip server name */
- char *pos = strpbrk(path + 2, "\\/");
+ pos = strpbrk(pos + 2, "\\/");
if (!pos)
return 0; /* Error: malformed unc path */
do {
pos++;
} while (*pos && !is_dir_sep(*pos));
-
- offset = pos - path;
}
- return offset + is_dir_sep(path[offset]);
+ return pos + is_dir_sep(*pos) - path;
}
int xutftowcsn(wchar_t *wcs, const char *utfs, size_t wcslen, int utflen)
* executable (by not mistaking the dir separators
* for escape characters).
*/
- for (; *tmp; tmp++)
- if (*tmp == '\\')
- *tmp = '/';
+ convert_slashes(tmp);
}
/* simulate TERM to enable auto-color (see color.c) */