Retro68/gcc/newlib/libc/stdlib/btowc.c

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2017-04-11 21:13:36 +00:00
#include <wchar.h>
#include <stdlib.h>
#include <stdio.h>
#include <reent.h>
#include <string.h>
#include "local.h"
wint_t
btowc (int c)
{
mbstate_t mbs;
int retval = 0;
wchar_t pwc;
unsigned char b;
if (c == EOF)
return WEOF;
b = (unsigned char)c;
/* Put mbs in initial state. */
memset (&mbs, '\0', sizeof (mbs));
_REENT_CHECK_MISC(_REENT);
retval = __MBTOWC (_REENT, &pwc, (const char *) &b, 1, &mbs);
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if (retval != 0 && retval != 1)
return WEOF;
return (wint_t)pwc;
}