http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/autosprintf.h

/* Class autosprintf - formatted output to an ostream. Copyright (C) 2002 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2, 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef _AUTOSPRINTF_H #define _AUTOSPRINTF_H #ifndef __attribute__ /* This feature is available in gcc versions 2.5 and later. */ # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__ # define __attribute__(Spec) /* empty */ # endif /* 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 __format__ format # define __printf__ printf # 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, ...) __attribute__ ((__format__ (__printf__, 2, 3))); /* Copy constructor. */ autosprintf (const autosprintf& src); /* 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 */