[libcxx] r268009 - Fix PR21428 for long. Buffer was one byte too small in octal formatting case. Rename previously added test

Eric Fiselier via cfe-commits cfe-commits at lists.llvm.org
Fri Apr 29 00:23:20 PDT 2016


Author: ericwf
Date: Fri Apr 29 02:23:20 2016
New Revision: 268009

URL: http://llvm.org/viewvc/llvm-project?rev=268009&view=rev
Log:
Fix PR21428 for long. Buffer was one byte too small in octal formatting case. Rename previously added test

Added:
    libcxx/trunk/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/minus1.pass.cpp
Removed:
    libcxx/trunk/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/minus1.pass
Modified:
    libcxx/trunk/include/locale

Modified: libcxx/trunk/include/locale
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/locale?rev=268009&r1=268008&r2=268009&view=diff
==============================================================================
--- libcxx/trunk/include/locale (original)
+++ libcxx/trunk/include/locale Fri Apr 29 02:23:20 2016
@@ -1375,7 +1375,7 @@ num_put<_CharT, _OutputIterator>::do_put
     this->__format_int(__fmt+1, __len, true, __iob.flags());
     const unsigned __nbuf = (numeric_limits<long>::digits / 3)
                           + ((numeric_limits<long>::digits % 3) != 0)
-                          + 1;
+                          + 2;
     char __nar[__nbuf];
     int __nc = __libcpp_snprintf_l(__nar, sizeof(__nar), _LIBCPP_GET_C_LOCALE, __fmt, __v);
     char* __ne = __nar + __nc;

Removed: libcxx/trunk/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/minus1.pass
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/minus1.pass?rev=268008&view=auto
==============================================================================
--- libcxx/trunk/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/minus1.pass (original)
+++ libcxx/trunk/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/minus1.pass (removed)
@@ -1,85 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// <ostream>
-
-// template <class charT, class traits = char_traits<charT> >
-//   class basic_ostream;
-
-// operator<<( int16_t val);
-// operator<<(uint16_t val);
-// operator<<( int32_t val);
-// operator<<(uint32_t val);
-// operator<<( int64_t val);
-// operator<<(uint64_t val);
-
-//  Testing to make sure that the max length values are correctly inserted
-
-#include <iostream>
-#include <cctype>
-#include <sstream>
-#include <cassert>
-
-template <typename T>
-void test_octal(const char *expected)
-{
-    std::stringstream ss;
-    ss << std::oct << static_cast<T>(-1);
-    
-    assert(ss.str() == expected);
-}
-
-template <typename T>
-void test_dec(const char *expected)
-{
-    std::stringstream ss;
-    ss << std::dec << static_cast<T>(-1);
-    
-//  std::cout << ss.str() << " " << expected << std::endl;
-    assert(ss.str() == expected);
-}
-
-template <typename T>
-void test_hex(const char *expected)
-{
-    std::stringstream ss;
-    ss << std::hex << static_cast<T>(-1);
-    
-    std::string str = ss.str();
-    for (size_t i = 0; i < str.size(); ++i )
-        str[i] = std::toupper(str[i]);
-    
-    assert(str == expected);
-}
-
-int main(int argc, char* argv[])
-{
-    test_octal<uint16_t>(                "177777");
-    test_octal< int16_t>(                "177777");
-    test_octal<uint32_t>(           "37777777777");
-    test_octal< int32_t>(           "37777777777");
-    test_octal<uint64_t>("1777777777777777777777");
-    test_octal< int64_t>("1777777777777777777777");
-
-    test_dec<uint16_t>(               "65535");
-    test_dec< int16_t>(                  "-1");
-    test_dec<uint32_t>(          "4294967295");
-    test_dec< int32_t>(                  "-1");
-    test_dec<uint64_t>("18446744073709551615");
-    test_dec< int64_t>(                  "-1");
-
-    test_hex<uint16_t>(            "FFFF");
-    test_hex< int16_t>(            "FFFF");
-    test_hex<uint32_t>(        "FFFFFFFF");
-    test_hex< int32_t>(        "FFFFFFFF");
-    test_hex<uint64_t>("FFFFFFFFFFFFFFFF");
-    test_hex< int64_t>("FFFFFFFFFFFFFFFF");
-
-    return 0;
-}

Added: libcxx/trunk/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/minus1.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/minus1.pass.cpp?rev=268009&view=auto
==============================================================================
--- libcxx/trunk/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/minus1.pass.cpp (added)
+++ libcxx/trunk/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/minus1.pass.cpp Fri Apr 29 02:23:20 2016
@@ -0,0 +1,107 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// operator<<( int16_t val);
+// operator<<(uint16_t val);
+// operator<<( int32_t val);
+// operator<<(uint32_t val);
+// operator<<( int64_t val);
+// operator<<(uint64_t val);
+
+//  Testing to make sure that the max length values are correctly inserted
+
+#include <sstream>
+#include <ios>
+#include <cctype>
+#include <cstdint>
+#include <cassert>
+
+template <typename T>
+void test_octal(const char *expected)
+{
+    std::stringstream ss;
+    ss << std::oct << static_cast<T>(-1);
+    assert(ss.str() == expected);
+}
+
+template <typename T>
+void test_dec(const char *expected)
+{
+    std::stringstream ss;
+    ss << std::dec << static_cast<T>(-1);
+    assert(ss.str() == expected);
+}
+
+template <typename T>
+void test_hex(const char *expected)
+{
+    std::stringstream ss;
+    ss << std::hex << static_cast<T>(-1);
+
+    std::string str = ss.str();
+    for (size_t i = 0; i < str.size(); ++i )
+        str[i] = std::toupper(str[i]);
+
+    assert(str == expected);
+}
+
+int main(int argc, char* argv[])
+{
+
+    test_octal<uint16_t>(                "177777");
+    test_octal< int16_t>(                "177777");
+    test_octal<uint32_t>(           "37777777777");
+    test_octal< int32_t>(           "37777777777");
+    test_octal<uint64_t>("1777777777777777777777");
+    test_octal< int64_t>("1777777777777777777777");
+    test_octal<uint64_t>("1777777777777777777777");
+    if (sizeof(long) == sizeof(int64_t)) {
+        test_octal< unsigned long>("1777777777777777777777");
+        test_octal<          long>("1777777777777777777777");
+    }
+    if (sizeof(long long) == sizeof(int64_t)) {
+        test_octal< unsigned long long>("1777777777777777777777");
+        test_octal<          long long>("1777777777777777777777");
+    }
+
+    test_dec<uint16_t>(               "65535");
+    test_dec< int16_t>(                  "-1");
+    test_dec<uint32_t>(          "4294967295");
+    test_dec< int32_t>(                  "-1");
+    test_dec<uint64_t>("18446744073709551615");
+    test_dec< int64_t>(                  "-1");
+    if (sizeof(long) == sizeof(int64_t)) {
+        test_dec<unsigned long>("18446744073709551615");
+        test_dec<         long>(                  "-1");
+    }
+    if (sizeof(long long) == sizeof(int64_t)) {
+        test_dec<unsigned long long>("18446744073709551615");
+        test_dec<         long long>(                  "-1");
+    }
+
+    test_hex<uint16_t>(            "FFFF");
+    test_hex< int16_t>(            "FFFF");
+    test_hex<uint32_t>(        "FFFFFFFF");
+    test_hex< int32_t>(        "FFFFFFFF");
+    test_hex<uint64_t>("FFFFFFFFFFFFFFFF");
+    test_hex< int64_t>("FFFFFFFFFFFFFFFF");
+    if (sizeof(long) == sizeof(int64_t)) {
+        test_hex<unsigned long>("FFFFFFFFFFFFFFFF");
+        test_hex<         long>("FFFFFFFFFFFFFFFF");
+    }
+    if (sizeof(long long) == sizeof(int64_t)) {
+        test_hex<unsigned long long>("FFFFFFFFFFFFFFFF");
+        test_hex<         long long>("FFFFFFFFFFFFFFFF");
+    }
+}




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