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authorNiklas Hallqvist <niklas@cvs.openbsd.org>1996-03-15 22:20:43 +0000
committerNiklas Hallqvist <niklas@cvs.openbsd.org>1996-03-15 22:20:43 +0000
commit46b17fd21b2b16c60c2d0c242ed15fad6ab17fc6 (patch)
treec15d088d219cbc2963bcc42c35634a9e4bb296c9 /gnu/lib/libg++/libio/iopadn.c
parentf534d44ccdb17011802f89b9ad24fa0712693698 (diff)
Import of GNU libg++ 2.7.1 port (prepared by Erik Theisen)
Diffstat (limited to 'gnu/lib/libg++/libio/iopadn.c')
-rw-r--r--gnu/lib/libg++/libio/iopadn.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/gnu/lib/libg++/libio/iopadn.c b/gnu/lib/libg++/libio/iopadn.c
new file mode 100644
index 00000000000..0e502b712c3
--- /dev/null
+++ b/gnu/lib/libg++/libio/iopadn.c
@@ -0,0 +1,65 @@
+/*
+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 this library; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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
+DEFUN(_IO_padn, (fp, pad, count),
+ _IO_FILE *fp AND int pad AND _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;
+}