X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fflonum-copy.c;h=3ece3e1c2cecb53f4aa82c1598ca50666b8122f7;hb=e4b7104b1e0c70613d0f553cb18d25c7343647d3;hp=6678bdf250ab74b2986c43907ec396211004fb48;hpb=fecd2382e77b89f12c9d630ed4e42e9a54ba6953;p=deliverable%2Fbinutils-gdb.git

diff --git a/gas/flonum-copy.c b/gas/flonum-copy.c
index 6678bdf250..3ece3e1c2c 100644
--- a/gas/flonum-copy.c
+++ b/gas/flonum-copy.c
@@ -1,79 +1,70 @@
 /* flonum_copy.c - copy a flonum
-   Copyright (C) 1987, 1990, 1991 Free Software Foundation, Inc.
+   Copyright (C) 1987-2020 Free Software Foundation, Inc.
 
-This file is part of GAS, the GNU Assembler.
+   This file is part of GAS, the GNU Assembler.
 
-GAS 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 1, or (at your option)
-any later version.
+   GAS 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 3, or (at your option)
+   any later version.
 
-GAS 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.
+   GAS 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 GAS; see the file COPYING.  If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
-
-/* static const char rcsid[] = "$Id$"; */
+   You should have received a copy of the GNU General Public License
+   along with GAS; see the file COPYING.  If not, write to the Free
+   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
 
 #include "as.h"
 
-#ifdef USG
-#define bzero(s,n) memset(s,0,n)
-#define bcopy(from,to,n) memcpy(to,from,n)
-#endif
-
 void
-flonum_copy (in, out)
-     FLONUM_TYPE *	in;
-     FLONUM_TYPE *	out;
+flonum_copy (FLONUM_TYPE *in, FLONUM_TYPE *out)
 {
-  int			in_length;	/* 0 origin */
-  int			out_length;	/* 0 origin */
+  unsigned int in_length;	/* 0 origin */
+  unsigned int out_length;	/* 0 origin */
 
-  out -> sign = in -> sign;
-  in_length = in  -> leader - in -> low;
-  if (in_length < 0)
+  out->sign = in->sign;
+  in_length = in->leader - in->low;
+
+  if (in->leader < in->low)
     {
-      out -> leader = out -> low - 1; /* 0.0 case */
+      out->leader = out->low - 1;	/* 0.0 case */
     }
   else
     {
-      out_length = out -> high - out -> low;
-      /*
-       * Assume no GAPS in packing of littlenums.
-       * I.e. sizeof(array) == sizeof(element) * number_of_elements.
-       */
+      out_length = out->high - out->low;
+      /* Assume no GAPS in packing of littlenums.
+	 I.e. sizeof(array) == sizeof(element) * number_of_elements.  */
       if (in_length <= out_length)
 	{
 	  {
-	    /*
-	     * For defensive programming, zero any high-order littlenums we don't need.
-	     * This is destroying evidence and wasting time, so why bother???
-	     */
+	    /* For defensive programming, zero any high-order
+	       littlenums we don't need.  This is destroying evidence
+	       and wasting time, so why bother???  */
 	    if (in_length < out_length)
 	      {
-		bzero ((char *)(out->low + in_length + 1), out_length - in_length);
+		memset ((char *) (out->low + in_length + 1), '\0',
+			out_length - in_length);
 	      }
 	  }
-	  bcopy ((char *)(in->low), (char *)(out->low), (int)((in_length + 1) * sizeof(LITTLENUM_TYPE)));
-	  out -> exponent = in -> exponent;
-	  out -> leader   = in -> leader - in -> low + out -> low;
+	  memcpy ((void *) (out->low), (void *) (in->low),
+		  ((in_length + 1) * sizeof (LITTLENUM_TYPE)));
+	  out->exponent = in->exponent;
+	  out->leader = in->leader - in->low + out->low;
 	}
       else
 	{
-	  int	shorten;		/* 1-origin. Number of littlenums we drop. */
+	  int shorten;		/* 1-origin. Number of littlenums we drop.  */
 
 	  shorten = in_length - out_length;
 	  /* Assume out_length >= 0 ! */
-	  bcopy ((char *)(in->low + shorten),(char *)( out->low), (int)((out_length + 1) * sizeof(LITTLENUM_TYPE)));
-	  out -> leader = out -> high;
-	  out -> exponent = in -> exponent + shorten;
+	  memcpy ((void *) (out->low), (void *) (in->low + shorten),
+		  ((out_length + 1) * sizeof (LITTLENUM_TYPE)));
+	  out->leader = out->high;
+	  out->exponent = in->exponent + shorten;
 	}
     }				/* if any significant bits */
 }
-
-/* end: flonum_copy.c */