mingw-w64-crt/misc/mbrlen.c

/**
 * This file has no copyright assigned and is placed in the Public Domain.
 * This file is part of the mingw-w64 runtime package.
 * No warranty is given; refer to the file DISCLAIMER.PD within this package.
 */
#include <wchar.h>

size_t mbrlen (
  const char *__restrict__ mbs,
  size_t count,
  mbstate_t *__restrict__ state
) {
  /* Use private `mbstate_t` if caller did not supply one */
  if (state == NULL) {
    static mbstate_t state_mbrlen = {0};
    state = &state_mbrlen;
  }
  return mbrtowc (NULL, mbs, count, state);
}