From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
Date: Mon, 5 Nov 2001 16:41:55 +0000 (+0000)
Subject: added support for va_copy
X-Git-Tag: gnutls_0_2_11~28
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8be8a91c687ad175bad0e79a8110fe8be4d98fc8;p=thirdparty%2Fgnutls.git

added support for va_copy
---

diff --git a/acconfig.h b/acconfig.h
index b26e72d584..121cbab932 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -21,6 +21,9 @@
 #undef GNUTLS_VERSION
 
 #undef USE_SIGNALS
+#undef USE_VA_COPY
+#undef HAVE_VA_COPY
+#undef HAVE___VA_COPY
 
 #undef LIBMCRYPT22
 #undef LIBMCRYPT24
diff --git a/configure.in b/configure.in
index 86e53dbf2a..8aae057b45 100644
--- a/configure.in
+++ b/configure.in
@@ -132,6 +132,52 @@ AC_CHECK_HEADERS(utime.h zlib.h errno.h signal.h)
 AC_CHECK_FUNCS(signal sigaction,AC_DEFINE(USE_SIGNALS),)
 AC_CHECK_FUNCS(bzero memset lstat stat umask utime memmove bcopy getpwuid,,)
 
+dnl Defines USE_VA_COPY
+AC_MSG_CHECKING([whether we have va_copy or __va_copy])
+AC_TRY_RUN( 
+changequote(<<, >>)dnl
+<<#include <stdarg.h> 
+int main() {
+va_list a,b;
+va_copy(a, b);  
+return 0;
+}
+>>
+changequote([, ])dnl
+,
+dnl	************ HAVE_VA_COPY
+AC_DEFINE(HAVE_VA_COPY)
+AC_DEFINE(USE_VA_COPY)
+AC_MSG_RESULT(va_copy)
+,
+dnl	 ************ NO VA_COPY
+ dnl Defines USE_VA_COPY
+ AC_TRY_RUN(
+ changequote(<<, >>)dnl
+ <<#include <stdarg.h> 
+ int main() {
+ va_list a,b;
+ __va_copy(a, b);  
+ return 0;
+ }
+ >>
+ changequote([, ])dnl
+ ,
+ dnl	************ HAVE___VA_COPY
+ AC_DEFINE(HAVE___VA_COPY)
+ AC_DEFINE(USE_VA_COPY)
+ AC_MSG_RESULT(__va_copy)
+ ,
+ dnl	 ************ NO __VA_COPY
+ AC_MSG_RESULT(none)
+ )
+,
+dnl **** CROSS COMPILING
+AC_MSG_RESULT(none)
+)
+
+
+
 AC_CHECK_LIB(gdbm, gdbm_open,, AC_MSG_WARN("GDBM was not found. You will not be able to use Server side session resuming."))
 AC_CHECK_LIB(z, compress,,AC_MSG_WARN("ZLIB was not found. You will not be able to use ZLIB compression."))
 
diff --git a/lib/defines.h b/lib/defines.h
index 485a0a7667..42d68e2016 100644
--- a/lib/defines.h
+++ b/lib/defines.h
@@ -109,4 +109,10 @@
 # endif
 #endif
 
+#ifdef USE_VA_COPY
+# ifndef HAVE_VA_COPY
+# define va_copy(x,y) __va_copy(x,y)
+# endif
+#endif
+
 #endif /* defines_h */
diff --git a/lib/gnutls_priority.c b/lib/gnutls_priority.c
index 747dfbf844..a5c94de94d 100644
--- a/lib/gnutls_priority.c
+++ b/lib/gnutls_priority.c
@@ -44,7 +44,11 @@ int gnutls_set_cipher_priority( GNUTLS_STATE state, GNUTLS_LIST) {
 
 	va_start( ap, state);
 
+#ifdef USE_VA_COPY
+	va_copy( _ap, ap);
+#else
 	_ap = ap;
+#endif
 
 	while( va_arg(ap, BulkCipherAlgorithm) != 0) {
 		num++;
@@ -86,7 +90,12 @@ int gnutls_set_kx_priority( GNUTLS_STATE state, GNUTLS_LIST) {
 	int i,num=0;
 	
 	va_start( ap, state);
+
+#ifdef USE_VA_COPY
+	va_copy( _ap, ap);
+#else
 	_ap = ap;
+#endif
 
 	while( va_arg(ap, KXAlgorithm) != 0) {
 		num++;
@@ -127,7 +136,12 @@ int gnutls_set_mac_priority( GNUTLS_STATE state, GNUTLS_LIST) {
 	
 	va_start( ap, state);
 
+#ifdef USE_VA_COPY
+	va_copy( _ap, ap);
+#else
 	_ap = ap;
+#endif
+
 	while( va_arg(ap, MACAlgorithm) != 0) {
 		num++;
 	}
@@ -166,7 +180,12 @@ int gnutls_set_compression_priority( GNUTLS_STATE state, GNUTLS_LIST) {
 	va_list _ap;
 	
 	va_start( ap, state);
+
+#ifdef USE_VA_COPY
+	va_copy( _ap, ap);
+#else
 	_ap = ap;
+#endif
 
 	while( va_arg( ap, CompressionMethod) != 0) {
 		num++;
@@ -205,7 +224,12 @@ int gnutls_set_protocol_priority( GNUTLS_STATE state, GNUTLS_LIST) {
 	va_list _ap;
 	
 	va_start( ap, state);
+
+#ifdef USE_VA_COPY
+	va_copy( _ap, ap);
+#else
 	_ap = ap;
+#endif
 
 	while( va_arg( ap, int) != 0) {
 		num++;