compat: fall back on __va_copy if available

diff --git a/vcs-svn/svndump.c b/vcs-svn/svndump.c
index 53d0215d2d8f38fee589321890c9305c8da4d2c5..2ad2c307dd6e8f4bddf5cbd9c588973a085bf870 100644 (file)
--- a/vcs-svn/svndump.c
+++ b/vcs-svn/svndump.c
@@ -51,14 +51,14 @@ static struct {
 } rev_ctx;
 
 static struct {
-       uint32_t uuid, url;
+       uint32_t version, uuid, url;
 } dump_ctx;
 
 static struct {
        uint32_t svn_log, svn_author, svn_date, svn_executable, svn_special, uuid,
                revision_number, node_path, node_kind, node_action,
                node_copyfrom_path, node_copyfrom_rev, text_content_length,
-               prop_content_length, content_length;
+               prop_content_length, content_length, svn_fs_dump_format_version;
 } keys;
 
 static void reset_node_ctx(char *fname)
@@ -85,6 +85,7 @@ static void reset_rev_ctx(uint32_t revision)
 static void reset_dump_ctx(uint32_t url)
 {
        dump_ctx.url = url;
+       dump_ctx.version = 1;
        dump_ctx.uuid = ~0;
 }
 
@@ -105,6 +106,7 @@ static void init_keys(void)
        keys.text_content_length = pool_intern("Text-content-length");
        keys.prop_content_length = pool_intern("Prop-content-length");
        keys.content_length = pool_intern("Content-length");
+       keys.svn_fs_dump_format_version = pool_intern("SVN-fs-dump-format-version");
 }
 
 static void read_props(void)
@@ -206,7 +208,12 @@ void svndump_read(const char *url)
                *val++ = '\0';
                key = pool_intern(t);
 
-               if (key == keys.uuid) {
+               if (key == keys.svn_fs_dump_format_version) {
+                       dump_ctx.version = atoi(val);
+                       if (dump_ctx.version > 2)
+                               die("expected svn dump format version <= 2, found %"PRIu32,
+                                   dump_ctx.version);
+               } else if (key == keys.uuid) {
                        dump_ctx.uuid = pool_intern(val);
                } else if (key == keys.revision_number) {
                        if (active_ctx == NODE_CTX)