src/system/libroot/posix/wchar/mbtowc.c

   1 /*
   2 ** Copyright 2011, Oliver Tappe, zooey@hirschkaefer.de. All rights reserved.
   3 ** Distributed under the terms of the Haiku License.
   4 */
   5
   6 #include <errno.h>
   7
   8 #include <errno_private.h>
   9 #include <wchar_private.h>
  10
  11
  12 int
  13 __mbtowc(wchar_t* pwc, const char* s, size_t n)
  14 {
  15         static mbstate_t internalMbState;
  16
  17         int result = __mbrtowc(pwc, s, n, &internalMbState);
  18         if (result == -2) {
  19                 __set_errno(EILSEQ);
  20                 result = -1;
  21         }
  22
  23         return result;
  24 }
  25
  26
  27 B_DEFINE_WEAK_ALIAS(__mbtowc, mbtowc);