scc

simple c99 compiler
git clone git://git.simple-cc.org/scc
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fputwc.c (421B)

      1 #include <limits.h>
      2 #include <stdio.h>
      3 #include <string.h>
      4 #include <wchar.h>
      5 
      6 #undef fputwc
      7 
      8 wint_t
      9 _fputwc(wchar_t wc, FILE *fp, int *np)
     10 {
     11 	int n;
     12 	char buf[MB_LEN_MAX];
     13 
     14 	if ((n = wcrtomb(buf, wc, NULL)) == -1)
     15 		goto err;
     16 	if (fwrite(buf, 1, n, fp) < n)
     17 		goto err;
     18 
     19 	if (np)
     20 		*np = n;
     21 
     22 	return wc;
     23 
     24 err:
     25 	fp->flags |= _IOERR;
     26 	return WEOF;
     27 }
     28 
     29 wint_t
     30 fputwc(wchar_t wc, FILE *fp)
     31 {
     32 	return _fputwc(wc, fp, NULL);
     33 }