diff options
Diffstat (limited to 'lib/fdbuf/fdobuf_unsigned.cc')
-rw-r--r-- | lib/fdbuf/fdobuf_unsigned.cc | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/fdbuf/fdobuf_unsigned.cc b/lib/fdbuf/fdobuf_unsigned.cc new file mode 100644 index 0000000..61fc098 --- /dev/null +++ b/lib/fdbuf/fdobuf_unsigned.cc @@ -0,0 +1,34 @@ +// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.org> +// +// This program 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 2 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 General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +#include "fdbuf.h" +#include <limits.h> + +#define MAXSTRLEN ((sizeof(signed long)*CHAR_BIT)/3) + +fdobuf& fdobuf::operator<<(unsigned long i) +{ + if(i == 0) + return operator<<('0'); + char buf[MAXSTRLEN+1]; + char* ptr = buf+MAXSTRLEN; + *ptr-- = 0; + while(i) { + *ptr-- = i % 10 + '0'; + i /= 10; + } + return operator<<(ptr+1); +} |