// examples/utils.h

#ifndef INCLUDED_UTILS_H
#define INCLUDED_UTILS_H

#include <stdlib.h>
#include <stdio.h>

#define CMMM__STRING_VIEW__STRIP_VENDOR
#define CMMM__STRING_VIEW__SHORT_NAMESPACE
#define CMMM__ARENA__STRIP_VENDOR

#include "cmmm/string-view.h"
#include "cmmm/arena.h"

#define NOP() do {} while (0)

#define UNUSED(EXP) ((void) EXP)

#define ARRAY_LENGTH(ARR) (sizeof (ARR)/sizeof (*(ARR)))

#ifndef NDEBUG
#include <assert.h>
#define ASSERT assert
#else
#define ASSERT(...) NOP ()
#endif

#define STRINGIFY(ARG) #ARG
#define TO_STRING(ARG) STRINGIFY (ARG)

#ifndef NDEBUG
#define DEBUG(FMT, ...)                                                 \
  fprintf (stderr, __FILE__ ":" TO_STRING (__LINE__) ": %s: " FMT "\n", \
       __func__ __VA_OPT__ (,) __VA_ARGS__)
#define LOG(FMT, ...)                                                 \
  fprintf (stderr, __FILE__ ":" TO_STRING (__LINE__) ": %s: " FMT "\n", \
       __func__ __VA_OPT__ (,) __VA_ARGS__)
#else
#define DEBUG(...) NOP ()
#define LOG(FMT, ...)                                           \
  fprintf (stderr, FMT "\n", __VA_OPT__ (,) __VA_ARGS__)
#endif

#define   ERROR(FMT, ...) LOG ("error: "   FMT __VA_OPT__ (,) __VA_ARGS__)
#define WARNING(FMT, ...) LOG ("warning: " FMT __VA_OPT__ (,) __VA_ARGS__)
#define  NOTICE(FMT, ...) LOG ("notice: "  FMT __VA_OPT__ (,) __VA_ARGS__)
#define    INFO(FMT, ...) LOG ("info: "    FMT __VA_OPT__ (,) __VA_ARGS__)

#ifndef NDEBUG
#define ASSERT_MSG(EXP, FMT, ...) do if (!(EXP)) {      \
      DEBUG (FMT __VA_OPT__ (,) __VA_ARGS__);           \
      exit (EXIT_FAILURE);                              \
    } while (0)
#else
#define ASSERT_MSG(EXP, FMT, ...) NOP ()
#endif

struct cmmm__sv mmap_whole (int fd);
struct cmmm__sv read_until_eof (ARENA, int fd);

#endif // INCLUDED_UTILS_H

// examples/utils.c ends here