all printf variants: fix argument type handling for %c and %lc

[musl] / src / stdio / fputwc.c

diff --git a/src/stdio/fputwc.c b/src/stdio/fputwc.c
index 45ea8c2..789fe9c 100644 (file)
--- a/src/stdio/fputwc.c
+++ b/src/stdio/fputwc.c
@@ -1,11 +1,17 @@
 #include "stdio_impl.h"
+#include "locale_impl.h"
+#include <wchar.h>
+#include <limits.h>
+#include <ctype.h>
 
 wint_t __fputwc_unlocked(wchar_t c, FILE *f)
 {
        char mbc[MB_LEN_MAX];
        int l;
+       locale_t *ploc = &CURRENT_LOCALE, loc = *ploc;
 
-       f->mode |= f->mode+1;
+       if (f->mode <= 0) fwide(f, 1);
+       *ploc = f->locale;
 
        if (isascii(c)) {
                c = putc_unlocked(c, f);
@@ -17,6 +23,8 @@ wint_t __fputwc_unlocked(wchar_t c, FILE *f)
                l = wctomb(mbc, c);
                if (l < 0 || __fwritex((void *)mbc, l, f) < l) c = WEOF;
        }
+       if (c==WEOF) f->flags |= F_ERR;
+       *ploc = loc;
        return c;
 }