===================================================================
@@ -1357,6 +1357,13 @@
} GLIBCXX_3.4.18;
+GLIBCXX_3.4.20 {
+
+ # std::__throw_out_of_range_fmt(char const*, ...)
+ _ZSt24__throw_out_of_range_fmtPKcz;
+
+} GLIBCXX_3.4.19;
+
# Symbols in the support library (libsupc++) have their own tag.
CXXABI_1.3 {
===================================================================
@@ -42,6 +42,7 @@
random.cc \
regex.cc \
shared_ptr.cc \
+ snprintf_lite.cc \
system_error.cc \
thread.cc
===================================================================
@@ -31,6 +31,7 @@
#include <future>
#include <functional>
#include <regex>
+#include <stdarg.h>
#ifdef _GLIBCXX_USE_NLS
# include <libintl.h>
@@ -39,6 +40,12 @@
# define _(msgid) (msgid)
#endif
+namespace __gnu_cxx
+{
+ int __snprintf_lite(char *__buf, size_t __bufsize, const char *__fmt,
+ va_list __ap);
+}
+
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
@@ -80,6 +87,22 @@
{ _GLIBCXX_THROW_OR_ABORT(out_of_range(_(__s))); }
void
+ __throw_out_of_range_fmt(const char* __fmt, ...)
+ {
+ const size_t __len = __builtin_strlen(__fmt);
+ // We expect at most 2 numbers, and 1 short string. The additional
+ // 512 bytes should provide more than enough space for expansion.
+ const size_t __alloca_size = __len + 512;
+ char *const __s = static_cast<char*>(__builtin_alloca(__alloca_size));
+ va_list __ap;
+
+ va_start(__ap, __fmt);
+ __gnu_cxx::__snprintf_lite(__s, __alloca_size, __fmt, __ap);
+ _GLIBCXX_THROW_OR_ABORT(out_of_range(_(__s)));
+ va_end(__ap); // Not reached.
+ }
+
+ void
__throw_runtime_error(const char* __s __attribute__((unused)))
{ _GLIBCXX_THROW_OR_ABORT(runtime_error(_(__s))); }
===================================================================
@@ -70,7 +70,8 @@
am__objects_1 = chrono.lo condition_variable.lo debug.lo \
functexcept.lo functional.lo future.lo hash_c++0x.lo \
hashtable_c++0x.lo limits.lo mutex.lo placeholders.lo \
- random.lo regex.lo shared_ptr.lo system_error.lo thread.lo
+ random.lo regex.lo shared_ptr.lo snprintf_lite.lo \
+ system_error.lo thread.lo
@ENABLE_EXTERN_TEMPLATE_TRUE@am__objects_2 = fstream-inst.lo \
@ENABLE_EXTERN_TEMPLATE_TRUE@ string-inst.lo wstring-inst.lo
am_libc__11convenience_la_OBJECTS = $(am__objects_1) $(am__objects_2)
@@ -319,6 +320,7 @@
random.cc \
regex.cc \
shared_ptr.cc \
+ snprintf_lite.cc \
system_error.cc \
thread.cc
===================================================================
@@ -0,0 +1,159 @@
+// Debugging support -*- C++ -*-
+
+// Copyright (C) 2013 Free Software Foundation, Inc.
+//
+// This file is part of GCC.
+//
+// GCC is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// GCC is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
+
+#include <stdarg.h>
+#include <bits/functexcept.h>
+#include <bits/locale_facets.h>
+
+namespace std {
+ template<typename _CharT, typename _ValueT>
+ int
+ __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
+ ios_base::fmtflags __flags, bool __dec);
+}
+
+namespace __gnu_cxx {
+
+ // Private helper to throw logic error if snprintf_lite runs out
+ // of space (which is not expected to ever happen).
+ // NUL-terminates __buf.
+ void
+ __throw_insufficient_space(const char *__buf, const char *__bufend)
+ __attribute__((__noreturn__));
+
+ void
+ __throw_insufficient_space(const char *__buf, const char *__bufend)
+ {
+ // Include space for trailing NUL.
+ const size_t __len = __bufend - __buf + 1;
+
+ const char __err[] = "not enough space for format expansion "
+ "(Please submit full bug report at http://gcc.gnu.org/bugs.html):\n ";
+ const size_t __errlen = sizeof(__err) - 1;
+
+ char *const __e
+ = static_cast<char*>(__builtin_alloca(__errlen + __len));
+
+ __builtin_memcpy(__e, __err, __errlen);
+ __builtin_memcpy(__e + __errlen, __buf, __len - 1);
+ __e[__errlen + __len - 1] = '\0';
+ std::__throw_logic_error(__e);
+ }
+
+
+ // Private routine to append decimal representation of VAL to the given
+ // BUFFER, but not more than BUFSIZE characters.
+ // Does not NUL-terminate the output buffer.
+ // Returns number of characters appended, or -1 if BUFSIZE is too small.
+ int __concat_size_t(char *__buf, size_t __bufsize, size_t __val)
+ {
+ // __int_to_char is explicitly instantiated and available only for
+ // some, but not all, types. See locale-inst.cc.
+#ifdef _GLIBCXX_USE_LONG_LONG
+ unsigned long long __val2 = __val;
+#else
+ unsigned long __val2 = __val;
+#endif
+ // Long enough for decimal representation.
+ int __ilen = 3 * sizeof(__val2);
+ char *__cs = static_cast<char*>(__builtin_alloca(__ilen));
+ size_t __len = std::__int_to_char(__cs + __ilen, __val2,
+ std::__num_base::_S_atoms_out,
+ std::ios_base::dec, true);
+ if (__bufsize < __len)
+ return -1;
+
+ __builtin_memcpy(__buf, __cs + __ilen - __len, __len);
+ return __len;
+ }
+
+
+ // Private routine to print into __buf arguments according to format,
+ // not to exceed __bufsize.
+ // Only '%%', '%s' and '%zu' format specifiers are understood.
+ // Returns number of characters printed (excluding terminating NUL).
+ // Always NUL-terminates __buf.
+ // Throws logic_error on insufficient space.
+ int __snprintf_lite(char *__buf, size_t __bufsize, const char *__fmt,
+ va_list __ap)
+ {
+ char *__d = __buf;
+ const char *__s = __fmt;
+ const char *const __limit = __d + __bufsize - 1; // Leave space for NUL.
+
+ while (__s[0] != '\0' && __d < __limit)
+ {
+ if (__s[0] == '%')
+ switch (__s[1])
+ {
+ default: // Stray '%'. Just print it.
+ break;
+ case '%': // '%%'
+ __s += 1;
+ break;
+ case 's': // '%s'.
+ {
+ const char *__v = va_arg(__ap, const char *);
+
+ while (__v[0] != '\0' && __d < __limit)
+ *__d++ = *__v++;
+
+ if (__v[0] != '\0')
+ // Not enough space for __fmt expansion.
+ __throw_insufficient_space(__buf, __d);
+
+ __s += 2; // Step over %s.
+ continue;
+ }
+ break;
+ case 'z':
+ if (__s[2] == 'u') // '%zu' -- expand next size_t arg.
+ {
+ const int __len = __concat_size_t(__d, __limit - __d,
+ va_arg(__ap, size_t));
+ if (__len > 0)
+ __d += __len;
+ else
+ // Not enough space for __fmt expansion.
+ __throw_insufficient_space(__buf, __d);
+
+ __s += 3; // Step over %zu
+ continue;
+ }
+ // Stray '%zX'. Just print it.
+ break;
+ }
+ *__d++ = *__s++;
+ }
+
+ if (__s[0] != '\0')
+ // Not enough space for __fmt expansion.
+ __throw_insufficient_space(__buf, __d);
+
+ *__d = '\0';
+ return __d - __buf;
+ }
+
+} // __gnu_cxx