#ifndef cmsg_private_h
#define cmsg_private_h

typedef struct cmsg_bytes_t {
  size_t len;
  void *bytes;
} cmsg_bytes_t;

#define EMPTY_BYTES ((cmsg_bytes_t) { .len = 0, .bytes = NULL })

extern cmsg_bytes_t cmsg_cstring_bytes(char const *cstr);
extern cmsg_bytes_t cmsg_bytes_malloc_dup(cmsg_bytes_t src);
extern cmsg_bytes_t cmsg_bytes_malloc(size_t amount);
extern void cmsg_bytes_free(cmsg_bytes_t bytes);

#define ICHECK(result, message) do { if ((result) == -1) { perror(message); exit(2); } } while (0)
#define BCHECK(result, message) do { if ((result) == 0) { perror(message); exit(2); } } while (0)
#define PCHECK(result, message) do { if ((result) == NULL) { perror(message); exit(2); } } while (0)

extern void die(char const *format, ...);
extern void warn(char const *format, ...);
extern void info(char const *format, ...);

#endif