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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 <sys/types.h>
  39. #include <stdarg.h>
  40. #include <adt/list.h>
  41.  
  42. #define EOF  (-1)
  43.  
  44. #define DEBUG(fmt, ...) \
  45. { \
  46.     char buf[256]; \
  47.     int n = snprintf(buf, sizeof(buf), fmt, ##__VA_ARGS__); \
  48.     if (n > 0) \
  49.         (void) __SYSCALL3(SYS_KLOG, 1, (sysarg_t) buf, str_size(buf)); \
  50. }
  51.  
  52. #ifndef SEEK_SET
  53.     #define SEEK_SET  0
  54.     #define SEEK_CUR  1
  55.     #define SEEK_END  2
  56. #endif
  57.  
  58. typedef struct {
  59.     /** Linked list pointer. */
  60.     link_t link;
  61.    
  62.     /** Underlying file descriptor. */
  63.     int fd;
  64.    
  65.     /** Error indicator. */
  66.     int error;
  67.    
  68.     /** End-of-file indicator. */
  69.     int eof;
  70.    
  71.     /** Klog indicator */
  72.     int klog;
  73.    
  74.     /** Phone to the file provider */
  75.     int phone;
  76. } FILE;
  77.  
  78. extern FILE *stdin;
  79. extern FILE *stdout;
  80. extern FILE *stderr;
  81.  
  82. /* Character and string input functions */
  83. extern int fgetc(FILE *);
  84. extern char *fgets(char *, size_t, FILE *);
  85.  
  86. extern int getchar(void);
  87. extern char *gets(char *, size_t);
  88.  
  89. /* Character and string output functions */
  90. extern int fputc(wchar_t, FILE *);
  91. extern int fputs(const char *, FILE *);
  92.  
  93. extern int putchar(wchar_t);
  94. extern int puts(const char *);
  95.  
  96. /* Formatted string output functions */
  97. extern int fprintf(FILE *, const char*, ...);
  98. extern int vfprintf(FILE *, const char *, va_list);
  99.  
  100. extern int printf(const char *, ...);
  101. extern int vprintf(const char *, va_list);
  102.  
  103. extern int snprintf(char *, size_t , const char *, ...);
  104. extern int asprintf(char **, const char *, ...);
  105. extern int vsnprintf(char *, size_t, const char *, va_list);
  106.  
  107. /* File stream functions */
  108. extern FILE *fopen(const char *, const char *);
  109. extern int fclose(FILE *);
  110.  
  111. extern size_t fread(void *, size_t, size_t, FILE *);
  112. extern size_t fwrite(const void *, size_t, size_t, FILE *);
  113.  
  114. extern int fseek(FILE *, long, int);
  115. extern int ftell(FILE *);
  116. extern int feof(FILE *);
  117.  
  118. extern int fflush(FILE *);
  119. extern int ferror(FILE *);
  120. extern void clearerr(FILE *);
  121.  
  122. /* Misc file functions */
  123. extern int rename(const char *, const char *);
  124.  
  125. #endif
  126.  
  127. /** @}
  128.  */
  129.