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authorRoland McGrath <roland@gnu.org>1995-11-20 03:48:11 +0000
committerRoland McGrath <roland@gnu.org>1995-11-20 03:48:11 +0000
commit96aa2d94a2355cdc55c96e808d14a0e7f2ebe77d (patch)
treef7c87e6742af0707b858a1387ca85b679aa8d13e /libio/iopadn.c
parenta5a81fecc7194d050066265a15b1ba8bc3abc627 (diff)
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Sat Nov 18 16:46:01 1995 Ulrich Drepper <drepper@gnu.ai.mit.edu>
	* libio/Makefile, libio/cleanup.c, libio/clearerr.c, libio/feof.c,
	libio/ferror.c, libio/fgetc.c, libio/filedoalloc.c, libio/fileno.c,
	libio/fileops.c, libio/fputc.c, libio/freopen.c, libio/fseek.c,
	libio/genops.c, libio/getc.c, libio/getchar.c, libio/iofclose.c,
	libio/iofdopen.c, libio/iofflush.c, libio/iofgetpos.c, libio/iofgets.c,
	libio/iofopen.c, libio/iofprintf.c, libio/iofputs.c, libio/iofread.c,
	libio/iofscanf.c, libio/iofsetpos.c, libio/ioftell.c, libio/iofwrite.c,
	libio/iogetdelim.c, libio/iogetline.c, libio/iogets.c, libio/iolibio.h,
	libio/iopadn.c, libio/ioprims.c, libio/ioputs.c, libio/ioseekoff.c,
	libio/ioseekpos.c, libio/iosetbuffer.c, libio/iosetvbuf.c,
	libio/iosprintf.c, libio/ioungetc.c, libio/iovsprintf.c,
	libio/iovsscanf.c, libio/libio.h, libio/libioP.h, libio/putc.c,
	libio/putchar.c, libio/rewind.c, libio/setbuf.c, libio/setlinebuf.c,
	libio/stdfiles.c, libio/stdio.c, libio/stdio.h, libio/strfile.h,
	libio/strops.c, libio/vasprintf.c, libio/vscanf.c, libio/vsnprintf.c:
	New files.  Slightly modified version from Linux libc.

	* libio/memstream.c, libio/vdprintf.c: New files for functions not
	(yet) part of GNU libio.

	* libio/iofopncook.c: Implementation of `fopencookie', mainly written
	by Per Bothner.

	* stdio-common/getline.c: Adapted to libio.
	* stdio-common/snprintf.c: Adapted to libio.
	* stdio-common/vfprintf.c: Adapted to libio.
	* stdio-common/vfscanf.c: Adapted to libio.
	* sysdeps/posix/tempname.c: Adapted to libio.
Diffstat (limited to 'libio/iopadn.c')
-rw-r--r--libio/iopadn.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/libio/iopadn.c b/libio/iopadn.c
new file mode 100644
index 0000000000..94166a3eb1
--- /dev/null
+++ b/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 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
+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;
+}