tracebak.c (MAX): Avoid redefinition warning.

* tracebak.c (MAX): Avoid redefinition warning.

	* init.c [sgi] (__gnat_error_handler): Remove i, unused.
	Change msg to const char *.
	(__gnat_install_handler): Remove ss, unused.
	[sun && __SVR4 && !__vxworks] (__gnat_error_handler): Change msg
	to const char *.
	* cstreams.c (__gnat_full_name): Declare p only when used.
	(__gnat_full_name) [sgi] Return buffer.

From-SVN: r72794

gcc/ada/ChangeLog

@@ -1,3 +1,15 @@
+2003-10-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+	* tracebak.c (MAX): Avoid redefinition warning.
+
+	* init.c [sgi] (__gnat_error_handler): Remove i, unused.
+	Change msg to const char *.
+	(__gnat_install_handler): Remove ss, unused.
+	[sun && __SVR4 && !__vxworks] (__gnat_error_handler): Change msg
+	to const char *.
+	* cstreams.c (__gnat_full_name): Declare p only when used.
+	(__gnat_full_name) [sgi] Return buffer.
+
 2003-10-22  Arnaud Charlet  <charlet@act-europe.fr>
 
 	* mingw32.h: New file.

gcc/ada/cstreams.c

@@ -162,9 +162,9 @@ __gnat_full_name (nam, buffer)
      char *nam;
      char *buffer;
 {
+#if defined(__EMX__) || defined (__MINGW32__)
   char *p;
 
-#if defined(__EMX__) || defined (__MINGW32__)
   /* If this is a device file return it as is; under Windows NT and
      OS/2 a device file end with ":".  */
   if (nam[strlen (nam) - 1] == ':')
@@ -189,6 +189,7 @@ __gnat_full_name (nam, buffer)
      getcwd approach instead. */
   realpath (nam, buffer);
 
+  return buffer;
 #elif defined (VMS)
   strncpy (buffer, __gnat_to_canonical_file_spec (nam), __gnat_max_path_len);
 
@@ -209,6 +210,8 @@ __gnat_full_name (nam, buffer)
   return buffer;
 
 #else
+  char *p;
+
   if (nam[0] != '/')
     {
       p = getcwd (buffer, __gnat_max_path_len);

gcc/ada/init.c

@@ -1062,9 +1062,7 @@ __gnat_error_handler (sig, code, sc)
 {
   struct Machine_State  *mstate;
   struct Exception_Data *exception;
-  char *msg;
-
-  int i;
+  const char *msg;
 
   switch (sig)
     {
@@ -1142,7 +1140,6 @@ __gnat_error_handler (sig, code, sc)
 void
 __gnat_install_handler ()
 {
-  stack_t ss;
   struct sigaction act;
 
   /* Setup signal handler to map synchronous signals to appropriate
@@ -1194,7 +1191,7 @@ __gnat_error_handler (sig, sip)
 {
   struct Exception_Data *exception;
   static int recurse = 0;
-  char *msg;
+  const char *msg;
 
   /* If this was an explicit signal from a "kill", just resignal it.  */
   if (SI_FROMUSER (sip))

gcc/ada/tracebak.c

@@ -327,7 +327,9 @@ extern unsigned int _image_base__;
 #define VALID_STACK_FRAME(ptr) 1
 #endif
 
+#ifndef MAX
 #define MAX(x,y) ((x) > (y) ? (x) : (y))
+#endif
 
 /* Define a dummy function to call if FORCE_CALL is defined.  Don't
    define it otherwise, as this could lead to "defined but not used"