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