104 lines
2.4 KiB
C++
104 lines
2.4 KiB
C++
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <ctype.h>
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#include <ctype.h>
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#include <type_traits>
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#include <cassert>
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#ifdef isalnum
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#error isalnum defined
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#endif
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#ifdef isalpha
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#error isalpha defined
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#endif
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#ifdef isblank
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#error isblank defined
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#endif
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#ifdef iscntrl
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#error iscntrl defined
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#endif
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#ifdef isdigit
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#error isdigit defined
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#endif
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#ifdef isgraph
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#error isgraph defined
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#endif
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#ifdef islower
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#error islower defined
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#endif
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#ifdef isprint
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#error isprint defined
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#endif
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#ifdef ispunct
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#error ispunct defined
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#endif
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#ifdef isspace
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#error isspace defined
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#endif
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#ifdef isupper
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#error isupper defined
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#endif
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#ifdef isxdigit
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#error isxdigit defined
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#endif
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#ifdef tolower
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#error tolower defined
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#endif
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#ifdef toupper
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#error toupper defined
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#endif
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int main()
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{
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static_assert((std::is_same<decltype(isalnum(0)), int>::value), "");
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static_assert((std::is_same<decltype(isalpha(0)), int>::value), "");
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static_assert((std::is_same<decltype(isblank(0)), int>::value), "");
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static_assert((std::is_same<decltype(iscntrl(0)), int>::value), "");
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static_assert((std::is_same<decltype(isdigit(0)), int>::value), "");
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static_assert((std::is_same<decltype(isgraph(0)), int>::value), "");
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static_assert((std::is_same<decltype(islower(0)), int>::value), "");
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static_assert((std::is_same<decltype(isprint(0)), int>::value), "");
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static_assert((std::is_same<decltype(ispunct(0)), int>::value), "");
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static_assert((std::is_same<decltype(isspace(0)), int>::value), "");
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static_assert((std::is_same<decltype(isupper(0)), int>::value), "");
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static_assert((std::is_same<decltype(isxdigit(0)), int>::value), "");
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static_assert((std::is_same<decltype(tolower(0)), int>::value), "");
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static_assert((std::is_same<decltype(toupper(0)), int>::value), "");
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assert(isalnum('a'));
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assert(isalpha('a'));
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assert(isblank(' '));
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assert(!iscntrl(' '));
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assert(!isdigit('a'));
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assert(isgraph('a'));
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assert(islower('a'));
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assert(isprint('a'));
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assert(!ispunct('a'));
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assert(!isspace('a'));
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assert(!isupper('a'));
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assert(isxdigit('a'));
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assert(tolower('A') == 'a');
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assert(toupper('a') == 'A');
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}
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