/* Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org> * * GNU Library General Public License (LGPL) version 2 or later. * * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details. */ #include <features.h> #ifdef __USE_GNU #include "_stdio.h" #include <stdarg.h> libc_hidden_proto(vfprintf) libc_hidden_proto(fflush_unlocked) libc_hidden_proto(vdprintf) int vdprintf(int filedes, const char * __restrict format, va_list arg) { FILE f; int rv; #ifdef __STDIO_BUFFERS char buf[64]; /* TODO: provide _optional_ buffering? */ f.__bufend = buf + sizeof(buf); f.__bufstart = buf; __STDIO_STREAM_DISABLE_GETC(&f); __STDIO_STREAM_DISABLE_PUTC(&f); __STDIO_STREAM_INIT_BUFREAD_BUFPOS(&f); #endif /* __STDIO_STREAM_RESET_GCS(&f); */ #ifdef __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__ f.__cookie = &(f.__filedes); f.__gcs.read = NULL; f.__gcs.write = _cs_write; f.__gcs.seek = NULL; f.__gcs.close = NULL; #endif f.__filedes = filedes; f.__modeflags = (__FLAG_NARROW|__FLAG_WRITEONLY|__FLAG_WRITING); #ifdef __UCLIBC_HAS_WCHAR__ f.__ungot_width[0] = 0; #endif /* __UCLIBC_HAS_WCHAR__ */ #ifdef __STDIO_MBSTATE __INIT_MBSTATE(&(f.__state)); #endif /* __STDIO_MBSTATE */ #ifdef __UCLIBC_HAS_THREADS__ f.__user_locking = 1; /* Set user locking. */ __stdio_init_mutex(&f.__lock); #endif f.__nextopen = NULL; rv = vfprintf(&f, format, arg); #ifdef __STDIO_BUFFERS /* If not buffering, then fflush is unnecessary. */ if ((rv > 0) && fflush_unlocked(&f)) { rv = -1; } #endif assert(rv >= -1); return rv; } libc_hidden_def(vdprintf) #endif