diff options
Diffstat (limited to 'libc/stdio/vswprintf.c')
| -rw-r--r-- | libc/stdio/vswprintf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libc/stdio/vswprintf.c b/libc/stdio/vswprintf.c index a5839b7bd..ea99836e2 100644 --- a/libc/stdio/vswprintf.c +++ b/libc/stdio/vswprintf.c @@ -38,8 +38,12 @@ int vswprintf(wchar_t *__restrict buf, size_t size, #ifdef __UCLIBC_HAS_THREADS__ f.__user_locking = 1; /* Set user locking. */ +#ifdef __UCLIBC_HAS_FUTEXES__ + _IO_lock_init (f._lock); +#else __stdio_init_mutex(&f.__lock); #endif +#endif f.__nextopen = NULL; if (size > ((SIZE_MAX - (size_t) buf)/sizeof(wchar_t))) { |