[hackers] [scc] Do not generate errors in empty va_lists || Roberto E. Vargas Caballero

[git]

commit c54b187844de0922dc90e31e4932cbedf4c56e59
Author:     Roberto E. Vargas Caballero <k...@shike2.com>
AuthorDate: Sat Sep 26 13:54:11 2015 +0200
Commit:     Roberto E. Vargas Caballero <k...@shike2.com>
CommitDate: Sat Sep 26 13:54:11 2015 +0200

    Do not generate errors in empty va_lists
    
    This commits also introduces the correct prototype of printf

diff --git a/cc1/expr.c b/cc1/expr.c
index 03490ae..22613bd 100644
--- a/cc1/expr.c
+++ b/cc1/expr.c
@@ -587,7 +587,7 @@ arguments(Node *np)
        } while (accept(','));
 
 no_pars:
-       if (n > 0)
+       if (n > 0 && *targs != ellipsistype)
                errorp("too few arguments in function call");
 
        expect(')');
diff --git a/cc1/tests/test001.c b/cc1/tests/test001.c
index 64d17ad..12b46cd 100644
--- a/cc1/tests/test001.c
+++ b/cc1/tests/test001.c
@@ -2,7 +2,7 @@
 name: TEST001
 description: Basic hello world test
 output:
-F3     P
+F3     P       E
 X4     F3      printf
 F5
 G6     F5      main
@@ -13,7 +13,7 @@ G6    F5      main
 }
 */
 
-int printf(char *fmt);
+int printf(char *fmt, ...);
 
 int
 main(void)