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Fix PR21428 for long. Buffer was one byte too small in octal formatting case. Rename previously added test
llvm-svn: 268009
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@ -1375,7 +1375,7 @@ num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob,
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this->__format_int(__fmt+1, __len, true, __iob.flags());
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const unsigned __nbuf = (numeric_limits<long>::digits / 3)
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+ ((numeric_limits<long>::digits % 3) != 0)
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+ 1;
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+ 2;
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char __nar[__nbuf];
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int __nc = __libcpp_snprintf_l(__nar, sizeof(__nar), _LIBCPP_GET_C_LOCALE, __fmt, __v);
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char* __ne = __nar + __nc;
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@ -21,9 +21,10 @@
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// Testing to make sure that the max length values are correctly inserted
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#include <iostream>
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#include <cctype>
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#include <sstream>
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#include <ios>
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#include <cctype>
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#include <cstdint>
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#include <cassert>
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template <typename T>
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@ -31,7 +32,6 @@ void test_octal(const char *expected)
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{
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std::stringstream ss;
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ss << std::oct << static_cast<T>(-1);
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assert(ss.str() == expected);
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}
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@ -40,8 +40,6 @@ void test_dec(const char *expected)
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{
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std::stringstream ss;
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ss << std::dec << static_cast<T>(-1);
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// std::cout << ss.str() << " " << expected << std::endl;
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assert(ss.str() == expected);
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}
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@ -50,22 +48,32 @@ void test_hex(const char *expected)
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{
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std::stringstream ss;
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ss << std::hex << static_cast<T>(-1);
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std::string str = ss.str();
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for (size_t i = 0; i < str.size(); ++i )
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str[i] = std::toupper(str[i]);
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assert(str == expected);
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}
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int main(int argc, char* argv[])
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{
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test_octal<uint16_t>( "177777");
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test_octal< int16_t>( "177777");
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test_octal<uint32_t>( "37777777777");
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test_octal< int32_t>( "37777777777");
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test_octal<uint64_t>("1777777777777777777777");
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test_octal< int64_t>("1777777777777777777777");
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test_octal<uint64_t>("1777777777777777777777");
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if (sizeof(long) == sizeof(int64_t)) {
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test_octal< unsigned long>("1777777777777777777777");
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test_octal< long>("1777777777777777777777");
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}
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if (sizeof(long long) == sizeof(int64_t)) {
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test_octal< unsigned long long>("1777777777777777777777");
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test_octal< long long>("1777777777777777777777");
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}
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test_dec<uint16_t>( "65535");
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test_dec< int16_t>( "-1");
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@ -73,6 +81,14 @@ int main(int argc, char* argv[])
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test_dec< int32_t>( "-1");
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test_dec<uint64_t>("18446744073709551615");
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test_dec< int64_t>( "-1");
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if (sizeof(long) == sizeof(int64_t)) {
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test_dec<unsigned long>("18446744073709551615");
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test_dec< long>( "-1");
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}
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if (sizeof(long long) == sizeof(int64_t)) {
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test_dec<unsigned long long>("18446744073709551615");
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test_dec< long long>( "-1");
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}
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test_hex<uint16_t>( "FFFF");
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test_hex< int16_t>( "FFFF");
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@ -80,6 +96,12 @@ int main(int argc, char* argv[])
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test_hex< int32_t>( "FFFFFFFF");
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test_hex<uint64_t>("FFFFFFFFFFFFFFFF");
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test_hex< int64_t>("FFFFFFFFFFFFFFFF");
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return 0;
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if (sizeof(long) == sizeof(int64_t)) {
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test_hex<unsigned long>("FFFFFFFFFFFFFFFF");
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test_hex< long>("FFFFFFFFFFFFFFFF");
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}
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if (sizeof(long long) == sizeof(int64_t)) {
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test_hex<unsigned long long>("FFFFFFFFFFFFFFFF");
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test_hex< long long>("FFFFFFFFFFFFFFFF");
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}
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}
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