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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. #include <libc.h>
  36. #include <unistd.h>
  37. #include <stdio.h>
  38. #include <io/io.h>
  39. #include <string.h>
  40. #include <errno.h>
  41. #include <console.h>
  42.  
  43. const static char nl = '\n';
  44.  
  45. int puts(const char *str)
  46. {
  47.     size_t count;
  48.    
  49.     if (str == NULL)
  50.         return putnchars("(NULL)", 6);
  51.    
  52.     for (count = 0; str[count] != 0; count++);
  53.    
  54.     if (console_write((void *) str, count) == count) {
  55.         if (console_write(&nl, 1) == 1)
  56.             return 0;
  57.     }
  58.    
  59.     return EOF;
  60. }
  61.  
  62. /** Put count chars from buffer to stdout without adding newline
  63.  * @param buf Buffer with size at least count bytes - NULL pointer NOT allowed!
  64.  * @param count
  65.  * @return 0 on succes, EOF on fail
  66.  */
  67. int putnchars(const char *buf, size_t count)
  68. {
  69.     if (console_write((void *) buf, count) == count)
  70.         return 0;
  71.    
  72.     return EOF;
  73. }
  74.  
  75. /** Same as puts, but does not print newline at end
  76.  *
  77.  */
  78. int putstr(const char *str)
  79. {
  80.     size_t count;
  81.    
  82.     if (str == NULL)
  83.         return putnchars("(NULL)", 6);
  84.  
  85.     for (count = 0; str[count] != 0; count++);
  86.     if (console_write((void *) str, count) == count)
  87.         return 0;
  88.    
  89.     return EOF;
  90. }
  91.  
  92. int putchar(int c)
  93. {
  94.     char buf[STR_BOUNDS(1)];
  95.     size_t offs;
  96.  
  97.     offs = 0;
  98.     if (chr_encode(c, buf, &offs, STR_BOUNDS(1)) != EOK)
  99.         return EOF;
  100.  
  101.     if (console_write((void *) buf, offs) == offs)
  102.         return c;
  103.  
  104.     return EOF;
  105. }
  106.  
  107. int getchar(void)
  108. {
  109.     unsigned char c;
  110.    
  111.     console_flush();
  112.     if (read_stdin((void *) &c, 1) == 1)
  113.         return c;
  114.    
  115.     return EOF;
  116. }
  117.  
  118. int fflush(FILE *f)
  119. {
  120.     /* Dummy implementation */
  121.     (void) f;
  122.     console_flush();
  123.     return 0;
  124. }
  125.  
  126. /** @}
  127.  */
  128.