Imported Upstream version 93u+upstream

1 files changed, 82 insertions, 0 deletions

diff --git a/src/lib/libast/sfio/_sfputl.c b/src/lib/libast/sfio/_sfputl.c
new file mode 100644
index 0000000..df3d9a7
--- /dev/null
+++ b/src/lib/libast/sfio/_sfputl.c
@@ -0,0 +1,82 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
+*                      and is licensed under the                       *
+*                 Eclipse Public License, Version 1.0                  *
+*                    by AT&T Intellectual Property                     *
+*                                                                      *
+*                A copy of the License is available at                 *
+*          http://www.eclipse.org/org/documents/epl-v10.html           *
+*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                  David Korn <dgk@research.att.com>                   *
+*                   Phong Vo <kpv@research.att.com>                    *
+*                                                                      *
+***********************************************************************/
+#include	"sfhdr.h"
+
+/*	Write out a long value in a portable format
+**
+**	Written by Kiem-Phong Vo.
+*/
+
+#if __STD_C
+int _sfputl(Sfio_t* f, Sflong_t v)
+#else
+int _sfputl(f,v)
+Sfio_t*		f;	/* write a portable long to this stream */
+Sflong_t	v;	/* the value to be written */
+#endif
+{
+#define N_ARRAY		(2*sizeof(Sflong_t))
+	reg uchar	*s, *ps;
+	reg ssize_t	n, p;
+	uchar		c[N_ARRAY];
+	SFMTXDECL(f);
+
+	SFMTXENTER(f,-1);
+	if(f->mode != SF_WRITE && _sfmode(f,SF_WRITE,0) < 0)
+		SFMTXRETURN(f, -1);
+	SFLOCK(f,0);
+
+	s = ps = &(c[N_ARRAY-1]);
+	if(v < 0)
+	{	/* add 1 to avoid 2-complement problems with -SF_MAXINT */
+		v = -(v+1);
+		*s = (uchar)(SFSVALUE(v) | SF_SIGN);
+	}
+	else	*s = (uchar)(SFSVALUE(v));
+	v = (Sfulong_t)v >> SF_SBITS;
+
+	while(v > 0)
+	{	*--s = (uchar)(SFUVALUE(v) | SF_MORE);
+		v = (Sfulong_t)v >> SF_UBITS;
+	}
+	n = (ps-s)+1;
+
+	if(n > 8 || SFWPEEK(f,ps,p) < n)
+		n = SFWRITE(f,(Void_t*)s,n); /* write the hard way */
+	else
+	{	switch(n)
+		{
+		case 8 : *ps++ = *s++;
+		case 7 : *ps++ = *s++;
+		case 6 : *ps++ = *s++;
+		case 5 : *ps++ = *s++;
+		case 4 : *ps++ = *s++;
+		case 3 : *ps++ = *s++;
+		case 2 : *ps++ = *s++;
+		case 1 : *ps++ = *s++;
+		}
+		f->next = ps;
+	}
+
+	SFOPEN(f,0);
+	SFMTXRETURN(f, n);
+}