X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fptr_valid%2F_info;fp=ccan%2Fptr_valid%2F_info;h=b577535f3bccc84d2d03fbb03bcc1b186452a08e;hp=0000000000000000000000000000000000000000;hb=1086d8cef04f90f6ba74a35fdc9a44fe615518a8;hpb=655bae650e868e037d3db9f6e475f59b58e3e078

diff --git a/ccan/ptr_valid/_info b/ccan/ptr_valid/_info
new file mode 100644
index 00000000..b577535f
--- /dev/null
+++ b/ccan/ptr_valid/_info
@@ -0,0 +1,28 @@
+#include <string.h>
+#include "config.h"
+
+/**
+ * ptr_valid - test whether a pointer is safe to dereference.
+ *
+ * This little helper tells you if an address is mapped; it doesn't tell you
+ * if it's read-only (or execute only).
+ *
+ * License: BSD-MIT
+ *
+ * Ccanlint:
+ *	// Our child actually crashes, but that's OK!
+ *	tests_pass_valgrind test/run.c:--child-silent-after-fork=yes
+ */
+int main(int argc, char *argv[])
+{
+	/* Expect exactly one argument */
+	if (argc != 2)
+		return 1;
+
+	if (strcmp(argv[1], "depends") == 0) {
+		printf("ccan/noerr\n");
+		return 0;
+	}
+
+	return 1;
+}