[Assorted-commits] SF.net SVN: assorted: [657] sandbox/trunk/src/c

[<yan...@us...>]

Revision: 657
          http://assorted.svn.sourceforge.net/assorted/?rev=657&view=rev
Author:   yangzhang
Date:     2008-04-08 20:47:34 -0700 (Tue, 08 Apr 2008)

Log Message:
-----------


Modified Paths:
--------------
    sandbox/trunk/src/c/server.c

Added Paths:
-----------
    sandbox/trunk/src/c/vaargs.c
    sandbox/trunk/src/cc/boost_test.cc

Modified: sandbox/trunk/src/c/server.c
===================================================================
--- sandbox/trunk/src/c/server.c	2008-04-07 05:31:11 UTC (rev 656)
+++ sandbox/trunk/src/c/server.c	2008-04-09 03:47:34 UTC (rev 657)
@@ -11,7 +11,7 @@
 int
 main()
 {
-  int s = socket(AF_INET, SOCK_STREAM, 0);
+  int s = socket(PF_INET, SOCK_STREAM, 0);
   if (s == 0) {
     perror("socket() failed");
     return 1;

Added: sandbox/trunk/src/c/vaargs.c
===================================================================
--- sandbox/trunk/src/c/vaargs.c	                        (rev 0)
+++ sandbox/trunk/src/c/vaargs.c	2008-04-09 03:47:34 UTC (rev 657)
@@ -0,0 +1,57 @@
+#include <stdarg.h>
+#include <stdio.h>
+
+// Note that ISO C requires a named argument before ‘...’, so you cannot
+// define:
+//
+//   f(...)
+
+// First, a simple complete example.
+void
+f(int base, ...)
+{
+  va_list ap;
+  va_start(ap, base);
+  int sum = base;
+  for (;;) {
+    int i = va_arg(ap, int);
+    if (i == 0) break;
+    sum += i;
+  }
+  va_end(ap);
+  printf("%d\n", sum);
+}
+
+void
+g(int base, va_list ap)
+{
+  //va_start(ap, base);
+  int sum = base;
+  for (;;) {
+    int i = va_arg(ap, int);
+    if (i == 0) break;
+    sum += i;
+  }
+  printf("%d\n", sum);
+}
+
+// This is how you pass a suffix of the va_list to a another function.  Here we
+// have h passing everything but garbage on to g. This requires h to extract
+// out the first argument and pass that as a normal arg.
+void
+h(int garbage, ...)
+{
+  va_list ap;
+  va_start(ap, garbage);
+  int base = va_arg(ap, int);
+  va_end(ap);
+  g(base, ap);
+}
+
+int
+main()
+{
+  f(1, 2, 3, 0);
+  h(-3, 1, 2, 3, 0);
+  return 0;
+}

Added: sandbox/trunk/src/cc/boost_test.cc
===================================================================
--- sandbox/trunk/src/cc/boost_test.cc	                        (rev 0)
+++ sandbox/trunk/src/cc/boost_test.cc	2008-04-09 03:47:34 UTC (rev 657)
@@ -0,0 +1,13 @@
+// Demonstrates how to use the (poorly documented) boost test framework.
+
+#define BOOST_TEST_MAIN
+//#define BOOST_TEST_MODULE MyTest
+#include <boost/test/unit_test.hpp>
+#include <boost/test/included/unit_test_framework.hpp>
+using namespace std;
+
+BOOST_AUTO_TEST_CASE( my_test )
+{
+  BOOST_CHECK( 1 == 1 );
+}
+


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