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  1. /*
  2.  * Copyright (c) 2005 Martin Decky
  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. /** @file
  33.  */
  34.  
  35. #ifndef LIBC_STDIO_H_
  36. #define LIBC_STDIO_H_
  37.  
  38. #include <types.h>
  39. #include <stdarg.h>
  40.  
  41. #define EOF (-1)
  42.  
  43. #include <string.h>
  44. #include <io/stream.h>
  45.  
  46. #define DEBUG(fmt, ...) \
  47. { \
  48.     char buf[256]; \
  49.     int n; \
  50.     n = snprintf(buf, sizeof(buf), fmt, ##__VA_ARGS__); \
  51.     if (n > 0) \
  52.         (void) __SYSCALL3(SYS_IO, 1, (sysarg_t) buf, strlen(buf)); \
  53. }
  54.  
  55. extern int getchar(void);
  56.  
  57. extern int puts(const char * str);
  58. extern int putchar(int c);
  59.  
  60. extern int printf(const char *fmt, ...);
  61. extern int sprintf(char *str, const char *fmt, ...);
  62. extern int snprintf(char *str, size_t size, const char *fmt, ...);
  63.  
  64. extern int vprintf(const char *fmt, va_list ap);
  65. extern int vsprintf(char *str, const char *fmt, va_list ap);
  66. extern int vsnprintf(char *str, size_t size, const char *fmt, va_list ap);
  67.  
  68. #define fprintf(f, fmt, ...) printf(fmt, ##__VA_ARGS__)
  69.  
  70. #endif
  71.  
  72. /** @}
  73.  */
  74.