From 108d6ead324614db8f129e4f7b336cbf4dc464e5 Mon Sep 17 00:00:00 2001
From: Andrew Cagney <cagney@redhat.com>
Date: Fri, 28 Jan 2005 06:06:27 +0000
Subject: [PATCH] 2005-01-28  Andrew Cagney  <cagney@gnu.org>

	* doublest.c (floatformat_is_negative, floatformat_is_nan)
	(floatformat_mantissa, get_field): Make the buffer a const
	bfd_byte, simplify.
---
 gdb/ChangeLog  |  6 ++++++
 gdb/doublest.c | 21 +++++++++------------
 gdb/doublest.h | 12 +++++++-----
 3 files changed, 22 insertions(+), 17 deletions(-)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 37017eb213..0b24bb8364 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2005-01-28  Andrew Cagney  <cagney@gnu.org>
+
+	* doublest.c (floatformat_is_negative, floatformat_is_nan)
+	(floatformat_mantissa, get_field): Make the buffer a const
+	bfd_byte, simplify.
+
 2005-01-27  Andrew Cagney  <cagney@gnu.org>
 
 	* value.h (struct value): Change type of contents to bfd_byte.
diff --git a/gdb/doublest.c b/gdb/doublest.c
index b36cbd7919..2030838465 100644
--- a/gdb/doublest.c
+++ b/gdb/doublest.c
@@ -1,7 +1,7 @@
 /* Floating point routines for GDB, the GNU debugger.
 
    Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
-   1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004 Free Software
+   1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005 Free Software
    Foundation, Inc.
 
    This file is part of GDB.
@@ -44,14 +44,10 @@
    can convert to doublest will need.  */
 #define FLOATFORMAT_LARGEST_BYTES 16
 
-static unsigned long get_field (unsigned char *,
-				enum floatformat_byteorders,
-				unsigned int, unsigned int, unsigned int);
-
 /* Extract a field which starts at START and is LEN bytes long.  DATA and
    TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER.  */
 static unsigned long
-get_field (unsigned char *data, enum floatformat_byteorders order,
+get_field (const bfd_byte *data, enum floatformat_byteorders order,
 	   unsigned int total_len, unsigned int start, unsigned int len)
 {
   unsigned long result;
@@ -475,9 +471,9 @@ convert_doublest_to_floatformat (CONST struct floatformat *fmt,
    format is described by FMT) is negative.  */
 
 int
-floatformat_is_negative (const struct floatformat *fmt, char *val)
+floatformat_is_negative (const struct floatformat *fmt,
+			 const bfd_byte *uval)
 {
-  unsigned char *uval = (unsigned char *) val;
   enum floatformat_byteorders order;
   unsigned char newfrom[FLOATFORMAT_LARGEST_BYTES];
   
@@ -496,9 +492,9 @@ floatformat_is_negative (const struct floatformat *fmt, char *val)
 /* Check if VAL is "not a number" (NaN) for FMT.  */
 
 int
-floatformat_is_nan (const struct floatformat *fmt, char *val)
+floatformat_is_nan (const struct floatformat *fmt,
+		    const bfd_byte *uval)
 {
-  unsigned char *uval = (unsigned char *) val;
   long exponent;
   unsigned long mant;
   unsigned int mant_bits, mant_off;
@@ -552,8 +548,9 @@ floatformat_is_nan (const struct floatformat *fmt, char *val)
    point number whose format is described by FMT) into a hexadecimal
    and store it in a static string.  Return a pointer to that string.  */
 
-char *
-floatformat_mantissa (const struct floatformat *fmt, char *val)
+const char *
+floatformat_mantissa (const struct floatformat *fmt,
+		      const bfd_byte *val)
 {
   unsigned char *uval = (unsigned char *) val;
   unsigned long mant;
diff --git a/gdb/doublest.h b/gdb/doublest.h
index 8510baa310..32a0ba4bcf 100644
--- a/gdb/doublest.h
+++ b/gdb/doublest.h
@@ -1,8 +1,8 @@
 /* Floating point definitions for GDB.
 
    Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
-   1996, 1997, 1998, 1999, 2000, 2001, 2003 Free Software Foundation,
-   Inc.
+   1996, 1997, 1998, 1999, 2000, 2001, 2003, 2005 Free Software
+   Foundation, Inc.
 
    This file is part of GDB.
 
@@ -59,9 +59,11 @@ extern void floatformat_to_doublest (const struct floatformat *,
 extern void floatformat_from_doublest (const struct floatformat *,
 				       const DOUBLEST *in, void *out);
 
-extern int floatformat_is_negative (const struct floatformat *, char *);
-extern int floatformat_is_nan (const struct floatformat *, char *);
-extern char *floatformat_mantissa (const struct floatformat *, char *);
+extern int floatformat_is_negative (const struct floatformat *,
+				    const bfd_byte *);
+extern int floatformat_is_nan (const struct floatformat *, const bfd_byte *);
+extern const char *floatformat_mantissa (const struct floatformat *,
+					 const bfd_byte *);
 
 /* These functions have been replaced by extract_typed_floating and
    store_typed_floating.