#include <sys/types.h>
#include <sys/uio.h>
#include <inttypes.h>
+#include <stdbool.h>
#define _printf_(a,b) __attribute__ ((format (printf, a, b)))
#define _alloc_(...) __attribute__ ((alloc_size(__VA_ARGS__)))
REENABLE_WARNING
#endif
+#define assert_log(expr) ((_likely_(expr)) \
+ ? (true) \
+ : (log_assert_failed_return(#expr, __FILE__, __LINE__, __PRETTY_FUNCTION__), false))
+
#define assert_return(expr, r) \
do { \
- if (_unlikely_(!(expr))) { \
- log_assert_failed_return(#expr, __FILE__, __LINE__, __PRETTY_FUNCTION__); \
+ if (!assert_log(expr)) \
return (r); \
- } \
} while (false)
#define assert_return_errno(expr, r, err) \
do { \
- if (_unlikely_(!(expr))) { \
- log_assert_failed_return(#expr, __FILE__, __LINE__, __PRETTY_FUNCTION__); \
+ if (!assert_log(expr)) { \
errno = err; \
return (r); \
} \
#define GID_INVALID ((gid_t) -1)
#define MODE_INVALID ((mode_t) -1)
+static inline bool UID_IS_INVALID(uid_t uid) {
+ /* We consider both the old 16bit -1 user and the newer 32bit
+ * -1 user invalid, since they are or used to be incompatible
+ * with syscalls such as setresuid() or chown(). */
+
+ return uid == (uid_t) ((uint32_t) -1) || uid == (uid_t) ((uint16_t) -1);
+}
+
+static inline bool GID_IS_INVALID(gid_t gid) {
+ return gid == (gid_t) ((uint32_t) -1) || gid == (gid_t) ((uint16_t) -1);
+}
+
#define DEFINE_TRIVIAL_CLEANUP_FUNC(type, func) \
static inline void func##p(type *p) { \
if (*p) \
} \
struct __useless_struct_to_allow_trailing_semicolon__
+#define CMSG_FOREACH(cmsg, mh) \
+ for ((cmsg) = CMSG_FIRSTHDR(mh); (cmsg); (cmsg) = CMSG_NXTHDR((mh), (cmsg)))
+
#include "log.h"