diff: memmove() & SunOS 4.x

[Fergus Henderson]

configure.in:
runtime/conf.h.in:
util/mdemangle.c:
	Check whether the system has memmove().  (SunOS 4.x doesn't.)
	If not, use memcpy().

cvs diff  configure.in runtime/conf.h.in util/mdemangle.c
Index: configure.in
===================================================================
RCS file: /home/staff/zs/imp/mercury/configure.in,v
retrieving revision 1.108
diff -u -r1.108 configure.in
--- configure.in	1997/09/15 10:49:27	1.108
+++ configure.in	1997/10/02 02:24:58
@@ -213,7 +213,7 @@
 AC_C_CROSS
 AC_PROG_RANLIB
 AC_RETSIGTYPE
-AC_HAVE_FUNCS(sysconf getpagesize memalign mprotect sigaction setitimer strerror)
+AC_HAVE_FUNCS(sysconf getpagesize memalign mprotect sigaction setitimer strerror memmove)
 #-----------------------------------------------------------------------------#
 AC_CHECK_HEADER(sys/siginfo.h, HAVE_SYS_SIGINFO_H=1)
 if test "$HAVE_SYS_SIGINFO_H" = 1; then
Index: runtime/conf.h.in
===================================================================
RCS file: /home/staff/zs/imp/mercury/runtime/conf.h.in,v
retrieving revision 1.21
diff -u -r1.21 conf.h.in
--- conf.h.in	1997/09/30 13:31:38	1.21
+++ conf.h.in	1997/10/02 02:27:42
@@ -72,6 +72,7 @@
 **	HAVE_MEMALIGN    	we have the memalign() function.
 **	HAVE_STRERROR    	we have the strerror() function.
 **	HAVE_SETITIMER   	we have the setitimer() function.
+**	HAVE_MEMMOVE   		we have the memmove() function.
 */
 #undef	HAVE_SYSCONF
 #undef	HAVE_SIGACTION
@@ -80,6 +81,7 @@
 #undef	HAVE_MPROTECT
 #undef	HAVE_STRERROR
 #undef	HAVE_SETITIMER
+#undef	HAVE_MEMMOVE
 
 /*
 ** RETSIGTYPE: the return type of signal handlers.
Index: util/mdemangle.c
===================================================================
RCS file: /home/staff/zs/imp/mercury/util/mdemangle.c,v
retrieving revision 1.25
diff -u -r1.25 mdemangle.c
--- mdemangle.c	1997/09/29 07:23:38	1.25
+++ mdemangle.c	1997/10/02 02:31:01
@@ -37,6 +37,15 @@
 static bool cut_trailing_underscore_integer(char *str, char **end, int *num);
 static bool strip_prefix(char **str, const char *prefix);
 
+/*
+** Bloody SunOS 4.x doesn't have memmove()...
+** Using memcpy() may not work, but it doesn't really matter
+** if the demangler doesn't work 100% correctly on SunOS 4.x.
+*/
+#ifndef HAVE_MEMMOVE
+#define memmove memcpy
+#endif
+
 int 
 main(int argc, char **argv)
 {

-- 
Fergus Henderson <fjh at cs.mu.oz.au>   |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>   |  of excellence is a lethal habit"
PGP: finger fjh at 128.250.37.3         |     -- the last words of T. S. Garp.