added test

Author: denisichh

runtime-light/k2-platform/k2-api.h

@@ -332,6 +332,9 @@ inline struct tm* localtime_r(const time_t* timer, struct tm* result) noexcept {
 }
 
 inline int32_t uselocale(int32_t category, std::string_view locale) noexcept {
+  if (locale == "0") {
+    return k2::errno_ok;
+  }
   return k2_uselocale(category, locale.data());
 }
 

runtime-light/stdlib/string/string-functions.h

@@ -24,5 +24,5 @@ inline Optional<string> f$setlocale(int64_t category, const string& locale) noex
   if (!opt_locale_name.has_value()) [[unlikely]] {
     return false;
   }
-  return opt_locale_name->data();
+  return string{opt_locale_name->data(), static_cast<string::size_type>(opt_locale_name->size())};
 }

tests/phpt/dl/1048_setlocale.php

@@ -0,0 +1,94 @@
+@ok
+<?php
+
+function setlocale_zero() {
+    var_dump("setlocale_zero");
+
+    var_dump("LC_CTYPE 0 -> " . setlocale(LC_CTYPE, "0"));
+    var_dump("LC_NUMERIC 0 -> " . setlocale(LC_NUMERIC, "0"));
+    var_dump("LC_TIME 0 -> " . setlocale(LC_TIME, "0"));
+    var_dump("LC_COLLATE 0 -> " . setlocale(LC_COLLATE, "0"));
+    var_dump("LC_MONETARY 0 -> " . setlocale(LC_MONETARY, "0"));
+    var_dump("LC_ALL 0 -> " . setlocale(LC_ALL, "0"));
+}
+
+function setlocale_return_empty() {
+    var_dump("setlocale_empty");
+
+    var_dump("LC_CTYPE \"\" -> " . setlocale(LC_CTYPE, ""));
+    var_dump("LC_NUMERIC \"\" -> " . setlocale(LC_NUMERIC, ""));
+    var_dump("LC_TIME \"\" -> " . setlocale(LC_TIME, ""));
+    var_dump("LC_COLLATE \"\" -> " . setlocale(LC_COLLATE, ""));
+    var_dump("LC_MONETARY \"\" -> " . setlocale(LC_MONETARY, ""));
+    var_dump("LC_ALL \"\" -> " . setlocale(LC_ALL, ""));
+
+    var_dump("check other (1)");
+    setlocale_zero();
+}
+
+function setlocale_return_set_ru_RU_CP1251() {
+    var_dump("setlocale_set_ru_RU_CP1251");
+
+    var_dump("LC_ALL \"\" -> " . setlocale(LC_ALL, "")); // unset all
+
+    var_dump("LC_CTYPE ru_RU.CP1251 -> " . setlocale(LC_CTYPE, "ru_RU.CP1251"));
+    var_dump("LC_CTYPE 0 -> " . setlocale(LC_CTYPE, "0"));
+
+    var_dump("LC_NUMERIC ru_RU.CP1251 -> " . setlocale(LC_NUMERIC, "ru_RU.CP1251"));
+    var_dump("LC_NUMERIC 0 -> " . setlocale(LC_NUMERIC, "0"));
+
+    var_dump("LC_TIME ru_RU.CP1251 -> " . setlocale(LC_TIME, "ru_RU.CP1251"));
+    var_dump("LC_TIME 0 -> " . setlocale(LC_TIME, "0"));
+
+    var_dump("LC_COLLATE ru_RU.CP1251 -> " . setlocale(LC_COLLATE, "ru_RU.CP1251"));
+    var_dump("LC_COLLATE 0 -> " . setlocale(LC_COLLATE, "0"));
+
+    var_dump("LC_MONETARY ru_RU.CP1251 -> " . setlocale(LC_MONETARY, "ru_RU.CP1251"));
+    var_dump("LC_MONETARY 0 -> " . setlocale(LC_MONETARY, "0"));
+
+    var_dump("LC_ALL 0 -> " . setlocale(LC_ALL, "0"));
+
+    var_dump("LC_ALL \"\" -> " . setlocale(LC_ALL, "")); // unset all
+
+    var_dump("check other (2)");
+    setlocale_zero();
+
+    var_dump("LC_ALL ru_RU.CP1251 -> " . setlocale(LC_ALL, "ru_RU.CP1251"));
+
+    var_dump("check other (3)");
+    setlocale_zero();
+
+    var_dump("LC_ALL \"\" -> " . setlocale(LC_ALL, "")); // unset all
+}
+
+function setlocale_return_correct_LC_ALL_changes() {
+    var_dump("setlocale_correct_LC_ALL_changes");
+
+    var_dump("LC_ALL en_US.UTF-8 -> " . setlocale(LC_ALL, "en_US.UTF-8"));
+    var_dump("LC_ALL 0 -> " . setlocale(LC_ALL, "0"));
+
+    var_dump("LC_COLLATE ru_RU.CP1251 -> " . setlocale(LC_COLLATE, "ru_RU.CP1251"));
+    var_dump("LC_ALL 0 -> " . setlocale(LC_ALL, "0"));
+
+    var_dump("LC_COLLATE en_US.UTF-8 -> " . setlocale(LC_COLLATE, "en_US.UTF-8"));
+    var_dump("LC_ALL 0 -> " . setlocale(LC_ALL, "0"));
+}
+
+
+function setlocale_numeric_cp1251() {
+    function printf_numeric() {
+        printf("%.2f\n", 1234.56);
+    }
+
+    var_dump("setlocale_numeric_cp1251");
+    setlocale(LC_NUMERIC, 'ru_RU.CP1251');
+    printf_numeric();
+    setlocale(LC_NUMERIC, 'C');
+    printf_numeric();
+}
+
+
+setlocale_return_empty();
+setlocale_return_set_ru_RU_CP1251();
+setlocale_return_correct_LC_ALL_changes();
+setlocale_numeric_cp1251();