conftest: fix transposed size and count arguments to fwrite.

* tests/conftest.c: Include <string.h> and <errno.h>.
Also include strerror in diagnostic.


Author: Jim Meyering <meyering@redhat.com>

ChangeLog

+Mon Nov 12 23:11:35 CET 2007 Jim Meyering <meyering@redhat.com>
+
+	conftest: fix transposed size and count arguments to fwrite.
+	* tests/conftest.c: Include <string.h> and <errno.h>.
+	  Also include strerror in diagnostic.
+
 Mon Nov 12 14:56:33 CET 2007 Daniel Veillard <veillard@redhat.com>
 
 	Begin fixing uses of strtol: parse integers more carefully.

tests/conftest.c

 #include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
+#include <errno.h>
 #include "conf.h"
 
 int main(int argc, char **argv) {
@@ -25,8 +27,8 @@ int main(int argc, char **argv) {
 	exit(3);
     }
     virConfFree(conf);
-    if (fwrite(buffer, len, 1, stdout) != len) {
-        fprintf(stderr, "Write failed\n");
+    if (fwrite(buffer, 1, len, stdout) != len) {
+	fprintf(stderr, "Write failed: %s\n", strerror (errno));
 	exit(1);
     }
     exit(0);