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Better is_ascii_host_char.

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GitOrigin-RevId: 25c42be7223691ae9623061ed495b99940b1d79a
This commit is contained in:
levlam 2018-05-18 21:12:39 +03:00
parent 3675e38605
commit 2a3d1494aa
1 changed files with 3 additions and 4 deletions
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7
tdutils/td/utils/port/IPAddress.cpp
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@ -29,13 +29,12 @@
namespace td {
static bool is_ascii_host_char(char c) {
return is_alnum(c) || c == '-';
return static_cast<unsigned char>(c) <= 127;
}
static bool is_ascii_host(Slice host) {
for (auto c : host) {
// ':' and '@' are not allowed in a host name anyway, so we can skip them
if (!is_ascii_host_char(c) && c != '.' && c != ':' && c != '@') {
if (!is_ascii_host_char(c)) {
return false;
}
}
@ -55,7 +54,7 @@ Result<string> idn_to_ascii(CSlice host) {
wchar_t punycode[256];
int result_length = IdnToAscii(IDN_ALLOW_UNASSIGNED, whost.c_str(), whost.size(), punycode, 255);
if (result_length == 0) {
return Status::Error("Host can't be punycoded");
return Status::Error("Host can't be converted to ASCII");
}
TRY_RESULT(idn_host, from_wstring(punycode, result_length));