failtest: add comment about limitations of untracked pointers.

[ccan] / ccan / failtest / failtest_undo.h

diff --git a/ccan/failtest/failtest_undo.h b/ccan/failtest/failtest_undo.h
index 7f29acd5630284ff2fad04f7d488d60a0ee56cea..e42a992d93e273494df04a840e965de3bc11a9bd 100644 (file)
--- a/ccan/failtest/failtest_undo.h
+++ b/ccan/failtest/failtest_undo.h
@@ -1,3 +1,4 @@
+/* Licensed under LGPL - see LICENSE file for details */
 #ifndef CCAN_FAILTEST_RESTORE_H
 #define CCAN_FAILTEST_RESTORE_H
 /* This file undoes the effect of failtest_override.h. */
@@ -15,8 +16,8 @@
        failtest_realloc((ptr), (size), NULL, 0)
 
 #undef open
-#define open(pathname, flags, ...) \
-       failtest_open((pathname), (flags), NULL, 0, __VA_ARGS__)
+#define open(pathname, ...) \
+       failtest_open((pathname), NULL, 0, __VA_ARGS__)
 
 #undef pipe
 #define pipe(pipefd) \
@@ -30,6 +31,10 @@
 #define write(fd, buf, count) \
        failtest_write((fd), (buf), (count), NULL, 0)
 
+#undef mmap
+#define mmap(addr, length, prot, flags, fd, offset) \
+       failtest_mmap((addr), (length), (prot), (flags), (fd), (offset), NULL, 0)
+
 #undef close
 #define close(fd) failtest_close(fd)