Change s390-features to allow testing for absence of a feature.
This is infintely less painful than to find out how to invert
the condition in a test prerequisite.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12928 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/tests/s390x_features.c b/tests/s390x_features.c
index f2365bc..4dde355 100644
--- a/tests/s390x_features.c
+++ b/tests/s390x_features.c
@@ -5,6 +5,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <assert.h>
#include <ctype.h> // isspace
#include <fcntl.h> // open
#include <unistd.h> // lseek
@@ -296,14 +297,28 @@
//---------------------------------------------------------------------------
int main(int argc, char **argv)
{
- int rc;
+ int rc, inverted = 0;
if (argc < 2 || argc > 3) {
fprintf( stderr, "usage: s390x_features <feature> [<machine-model>]\n" );
exit(3); // Usage error.
}
+ if (argv[1][0] == '!') {
+ assert(argv[2] == NULL); // not allowed
+ inverted = 1;
+ ++argv[1];
+ }
+
rc = go(argv[1], argv[2]);
+
+ if (inverted) {
+ switch (rc) {
+ case 0: rc = 1; break;
+ case 1: rc = 0; break;
+ case 2: rc = 2; break;
+ }
+ }
// printf("rc = %d\n", rc);