Mercurial > repos > rliterman > csp2
diff CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/autosprintf.h @ 69:33d812a61356
planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author | jpayne |
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date | Tue, 18 Mar 2025 17:55:14 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/autosprintf.h Tue Mar 18 17:55:14 2025 -0400 @@ -0,0 +1,68 @@ +/* Class autosprintf - formatted output to an ostream. + Copyright (C) 2002, 2012-2016 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + This program 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 Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +#ifndef _AUTOSPRINTF_H +#define _AUTOSPRINTF_H + +/* This feature is available in gcc versions 2.5 and later. */ +#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__ +# define _AUTOSPRINTF_ATTRIBUTE_FORMAT() /* empty */ +#else +/* The __-protected variants of 'format' and 'printf' attributes + are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */ +# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) +# define _AUTOSPRINTF_ATTRIBUTE_FORMAT() \ + __attribute__ ((__format__ (__printf__, 2, 3))) +# else +# define _AUTOSPRINTF_ATTRIBUTE_FORMAT() \ + __attribute__ ((format (printf, 2, 3))) +# endif +#endif + +#include <string> +#include <iostream> + +namespace gnu +{ + /* A temporary object, usually allocated on the stack, representing + the result of an asprintf() call. */ + class autosprintf + { + public: + /* Constructor: takes a format string and the printf arguments. */ + autosprintf (const char *format, ...) + _AUTOSPRINTF_ATTRIBUTE_FORMAT(); + /* Copy constructor. */ + autosprintf (const autosprintf& src); + /* Assignment operator. */ + autosprintf& operator = (autosprintf temporary); + /* Destructor: frees the temporarily allocated string. */ + ~autosprintf (); + /* Conversion to string. */ + operator char * () const; + operator std::string () const; + /* Output to an ostream. */ + friend inline std::ostream& operator<< (std::ostream& stream, const autosprintf& tmp) + { + stream << (tmp.str ? tmp.str : "(error in autosprintf)"); + return stream; + } + private: + char *str; + }; +} + +#endif /* _AUTOSPRINTF_H */