diff options
Diffstat (limited to 'libc/stdio/vswprintf.c')
| -rw-r--r-- | libc/stdio/vswprintf.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libc/stdio/vswprintf.c b/libc/stdio/vswprintf.c index f80bb5f64..59f7c2b57 100644 --- a/libc/stdio/vswprintf.c +++ b/libc/stdio/vswprintf.c @@ -11,6 +11,10 @@ libc_hidden_proto(vswprintf) +#ifdef __USE_OLD_VFPRINTF__ +libc_hidden_proto(vfwprintf) +#endif + #ifndef __STDIO_BUFFERS #warning Skipping vswprintf since no buffering! #else /* __STDIO_BUFFERS */ @@ -38,6 +42,10 @@ int vswprintf(wchar_t *__restrict buf, size_t size, __INIT_MBSTATE(&(f.__state)); #endif /* __STDIO_MBSTATE */ +#if defined(__USE_OLD_VFPRINTF__) && defined(__UCLIBC_HAS_THREADS__) + f.__user_locking = 1; /* Set user locking. */ + __stdio_init_mutex(&f.__lock); +#endif f.__nextopen = NULL; if (size > ((SIZE_MAX - (size_t) buf)/sizeof(wchar_t))) { @@ -50,7 +58,11 @@ int vswprintf(wchar_t *__restrict buf, size_t size, __STDIO_STREAM_DISABLE_GETC(&f); __STDIO_STREAM_DISABLE_PUTC(&f); +#ifdef __USE_OLD_VFPRINTF__ + rv = vfwprintf(&f, format, arg); +#else rv = _vfwprintf_internal(&f, format, arg); +#endif /* NOTE: Return behaviour differs from snprintf... */ if (f.__bufpos == f.__bufend) { |