1 /* Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org>
3 * GNU Library General Public License (LGPL) version 2 or later.
5 * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details.
15 int vdprintf(int filedes, const char * __restrict format, va_list arg)
19 #ifdef __STDIO_BUFFERS
20 char buf[64]; /* TODO: provide _optional_ buffering? */
22 f.__bufend = (unsigned char *) buf + sizeof(buf);
23 f.__bufstart = (unsigned char *) buf;
24 __STDIO_STREAM_DISABLE_GETC(&f);
25 __STDIO_STREAM_DISABLE_PUTC(&f);
26 __STDIO_STREAM_INIT_BUFREAD_BUFPOS(&f);
29 /* __STDIO_STREAM_RESET_GCS(&f); */
30 #ifdef __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__
31 f.__cookie = &(f.__filedes);
33 f.__gcs.write = _cs_write;
38 f.__filedes = filedes;
39 f.__modeflags = (__FLAG_NARROW|__FLAG_WRITEONLY|__FLAG_WRITING);
41 #ifdef __UCLIBC_HAS_WCHAR__
42 f.__ungot_width[0] = 0;
44 #ifdef __STDIO_MBSTATE
45 __INIT_MBSTATE(&(f.__state));
48 /* _vfprintf_internal doesn't do any locking, locking init is here
49 * only because of fflush_unlocked. TODO? */
50 #if (defined(__STDIO_BUFFERS) || defined(__USE_OLD_VFPRINTF__)) && defined(__UCLIBC_HAS_THREADS__)
51 f.__user_locking = 1; /* Set user locking. */
52 STDIO_INIT_MUTEX(f.__lock);
56 #ifdef __USE_OLD_VFPRINTF__
57 rv = vfprintf(&f, format, arg);
59 rv = _vfprintf_internal(&f, format, arg);
62 #ifdef __STDIO_BUFFERS
63 /* If not buffering, then fflush is unnecessary. */
64 if ((rv > 0) && fflush_unlocked(&f)) {
73 libc_hidden_def(vdprintf)