size_t os_fread_mbs(FILE *file, char **pstr)
{
size_t size = 0;
size_t len = 0;
fseek(file, 0, SEEK_END);
size = (size_t)os_ftelli64(file);
*pstr = NULL;
if (size > 0) {
char *mbstr = bmalloc(size+1);
fseek(file, 0, SEEK_SET);
size = fread(mbstr, 1, size, file);
if (size == 0) {
bfree(mbstr);
return 0;
}
mbstr[size] = 0;
len = os_mbs_to_utf8_ptr(mbstr, size, pstr);
bfree(mbstr);
}
return len;
}
std::string getWindowAtom(Window win, const char *atom)
{
Atom netWmName = XInternAtom(disp(), atom, false);
int n;
char **list = 0;
XTextProperty tp;
std::string res = "unknown";
XGetTextProperty(disp(), win, &tp, netWmName);
if (!tp.nitems)
XGetWMName(disp(), win, &tp);
if (!tp.nitems)
return "error";
if (tp.encoding == XA_STRING) {
res = (char*)tp.value;
} else {
int ret = XmbTextPropertyToTextList(disp(), &tp, &list,
&n);
if (ret >= Success && n > 0 && *list) {
res = *list;
XFreeStringList(list);
}
}
char *conv = nullptr;
if (os_mbs_to_utf8_ptr(res.c_str(), 0, &conv))
res = conv;
bfree(conv);
XFree(tp.value);
return res;
}
char *dstr_to_mbs(const struct dstr *str)
{
char *dst;
os_mbs_to_utf8_ptr(str->array, str->len, &dst);
return dst;
}
void dstr_from_mbs(struct dstr *dst, const char *mbstr)
{
dstr_free(dst);
dst->len = os_mbs_to_utf8_ptr(mbstr, 0, &dst->array);
}