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- /*
- Copyright (C) 1993 Free Software Foundation
-
- This file is part of the GNU IO Library. This library 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, or (at your option)
- any later version.
-
- This library 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 GNU CC; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- As a special exception, if you link this library with files
- compiled with a GNU compiler to produce an executable, this does not cause
- the resulting executable to be covered by the GNU General Public License.
- This exception does not however invalidate any other reasons why
- the executable file might be covered by the GNU General Public License. */
-
- #include "libioP.h"
-
- #define PADSIZE 16
- static char const blanks[PADSIZE] =
- {' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' '};
- static char const zeroes[PADSIZE] =
- {'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0'};
-
- _IO_ssize_t
- _IO_padn(fp, pad, count)
- _IO_FILE *fp;
- int pad;
- _IO_ssize_t count;
- {
- char padbuf[PADSIZE];
- const char *padptr;
- register int i;
- _IO_size_t written = 0, w;
-
- if (pad == ' ')
- padptr = blanks;
- else if (pad == '0')
- padptr = zeroes;
- else
- {
- for (i = PADSIZE; --i >= 0; ) padbuf[i] = pad;
- padptr = padbuf;
- }
- for (i = count; i >= PADSIZE; i -= PADSIZE)
- {
- w = _IO_sputn(fp, padptr, PADSIZE);
- written += w;
- if (w != PADSIZE)
- return written;
- }
-
- if (i > 0)
- {
- w = _IO_sputn(fp, padptr, i);
- written += w;
- }
- return written;
- }
-