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  1. /*
  2.  * Copyright (c) 2008 Jiri Svoboda
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup libc
  30.  * @{
  31.  */
  32. /**
  33.  * @file
  34.  * @brief fprintf, vfprintf
  35.  */
  36.  
  37. #include <stdio.h>
  38. #include <sys/types.h>
  39. #include <io/printf_core.h>
  40.  
  41. static int vfprintf_write(const char *s, size_t count, void *f)
  42. {
  43.     return fwrite(s, 1, count, (FILE *) f);
  44. }
  45.  
  46. int vfprintf(FILE *f, const char *fmt, va_list ap)
  47. {
  48.     struct printf_spec ps = {
  49.         (int (*)(void *, size_t, void *)) vfprintf_write,
  50.         (void *) f
  51.     };
  52.  
  53.     return printf_core(fmt, &ps, ap);
  54. }
  55.  
  56. int fprintf(FILE *f, const char *fmt, ...)
  57. {
  58.     int rv;
  59.     va_list args;
  60.  
  61.     va_start(args, fmt);
  62.     rv = vfprintf(f, fmt, args);
  63.     va_end(args);
  64.  
  65.     return rv;
  66. }
  67.  
  68. /** @}
  69.  */
  70.