init attribute-based encryption

Change-Id: Iba1a3d722110abf747a0fba366f3ebc911d25b25

1 files changed, 86 insertions, 0 deletions

diff --git a/moon-abe/pbc-0.5.14/include/pbc_utils.h b/moon-abe/pbc-0.5.14/include/pbc_utils.h
new file mode 100644
index 00000000..62c02b07
--- /dev/null
+++ b/moon-abe/pbc-0.5.14/include/pbc_utils.h
@@ -0,0 +1,86 @@
+#ifndef __PBC_UTILS_H__
+#define __PBC_UTILS_H__
+
+#ifdef PBC_DEBUG
+
+/*@manual debug
+Macro: if `expr` evaluates to 0, print `msg` and exit.
+*/
+#define PBC_ASSERT(expr, msg) \
+    (pbc_assert(expr, msg, __func__))
+
+/*@manual debug
+Macro: if elements `a` and `b` are from different fields then exit.
+*/
+#define PBC_ASSERT_MATCH2(a, b) \
+    (pbc_assert_match2(a, b, __func__))
+
+/*@manual debug
+Macro: if elements `a`, `b` and `c` are from different fields then exit.
+*/
+#define PBC_ASSERT_MATCH3(a, b, c) \
+    (pbc_assert_match3(a, b, c, __func__))
+
+#else
+
+#define PBC_ASSERT(expr, msg) ((void) (0))
+#define PBC_ASSERT_MATCH2(a, b) ((void) (0))
+#define PBC_ASSERT_MATCH3(a, b, c) ((void) (0))
+
+#endif
+
+// die, warn and info based on Git code.
+
+/*@manual log
+By default error messages are printed to standard error.
+Call `pbc_set_msg_to_stderr(0)` to suppress messages.
+*/
+int pbc_set_msg_to_stderr(int i);
+
+/*@manual log
+Reports error message and exits with code 128.
+*/
+void pbc_die(const char *err, ...)
+    __attribute__((__noreturn__))
+    __attribute__((format (printf, 1, 2)));
+
+/*@manual log
+Reports informational message.
+*/
+void pbc_info(const char *err, ...)
+    __attribute__((format (printf, 1, 2)));
+
+/*@manual log
+Reports warning message.
+*/
+void pbc_warn(const char *err, ...)
+    __attribute__((format (printf, 1, 2)));
+
+/*@manual log
+Reports error message.
+*/
+void pbc_error(const char *err, ...)
+    __attribute__((format (printf, 1, 2)));
+
+#ifndef UNUSED_VAR
+#if defined(__GNUC__)
+// We could use __attribute__((unused)) instead.
+#define UNUSED_VAR(a) (void) a
+#else
+// From the ACE project: http://www.cs.wustl.edu/~schmidt/ACE.html
+// silences warnings, and generates no code for many compilers
+// See ACE_wrappers/ace/ace/config-macros.h:391
+//
+// Not anymore: gcc no longer likes it -blynn
+#define UNUSED_VAR(a) do { /* nothing */ } while (&a == 0)
+#endif
+#endif
+
+// For storing small integers in void *
+// C99 standard introduced the intptr_t and uintptr_t types,
+// guaranteed to be able to hold pointers
+static inline void *int_to_voidp(intptr_t i) {
+  return (void *) i;
+}
+
+#endif //__PBC_UTILS_H__