added first experimental skeleton of what is to become a testconfig generator

currently it generates only the power set, more work to do to make it
a real config generator.

1 files changed, 72 insertions, 0 deletions

diff --git a/tests/testconfgen.c b/tests/testconfgen.c
new file mode 100644
index 00000000..9f191cc7
--- /dev/null
+++ b/tests/testconfgen.c
@@ -0,0 +1,72 @@
+/* a testcase generator
+ * THis program reads stdin, which must consist of (name,stmt) tupels
+ * where name is a part of the config name  (small!) and stmt is an actual
+ * config statement. These tupels must be encoded as
+ * name<SP>stmt<LF>
+ * on stdin. After all tupels are read, the power set of all possible
+ * configurations is generated.
+ * Copyright (C) 2011 by Rainer Gerhards and Adiscon GmbH
+ * Released under the GPLv3 as part of the rsyslog project.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static int arr[128];
+static char *name[128];
+static char *stmt[128];
+
+void output(int n)
+{
+	int i;
+
+	printf("name:");
+	for(i = 0 ; i < n ; ++i) {
+		if(arr[i]) {
+			printf("-%s", name[i]);
+		}
+	}
+	printf("\n");
+}
+
+void pows(int n, int i)
+{
+	if(i == 0) {
+		output(n);
+	} else {
+		--i;
+		arr[i] = 0;
+		pows(n, i);
+		arr[i] = 1;
+		pows(n, i);
+	}
+}
+
+
+int main(int argc, char *argv[])
+{
+	int n;
+	char iname[512];
+	char istmt[2048];
+	int nscanned;
+
+	n = 0;
+	while(!feof(stdin)) {
+		nscanned = scanf("%s %[^\n]s\n", iname, istmt);
+		if(nscanned == EOF)
+			break;
+		else if(nscanned != 2) {
+			fprintf(stderr, "problem scanning entry %d, scanned %d\n",
+				n, nscanned);
+			exit(1);
+		}
+		name[n] = strdup(iname);
+		stmt[n] = strdup(istmt);
+		n++;
+		printf("name: %s, stmt: %s\n", iname, istmt);
+	}
+	/* n is on to high for an index, but just right as the actual number! */
+
+	printf("read %d entries\n", n);
+	pows(n, n);
+}