mirror of
git://sourceware.org/git/newlib-cygwin.git
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ffa42cf6a0
pwc to pmb and convert to array to avoid buffer overflow. Rename c to wc. Check wc for WEOF instead of for EOF. Return first byte of pmb if __wctomb conversion returned exactly one byte, EOF otherwise.
25 lines
433 B
C
25 lines
433 B
C
#include <reent.h>
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#include <wchar.h>
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#include <stdio.h>
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#include <string.h>
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#include <limits.h>
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#include "local.h"
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int
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wctob (wint_t wc)
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{
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mbstate_t mbs;
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unsigned char pmb[MB_LEN_MAX];
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if (wc == WEOF)
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return EOF;
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/* Put mbs in initial state. */
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memset (&mbs, '\0', sizeof (mbs));
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_REENT_CHECK_MISC(_REENT);
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return __wctomb (_REENT, (char *) pmb, wc, __locale_charset (), &mbs) == 1
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? (int) pmb[0] : EOF;
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}
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