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  1. /*
  2.  * Copyright (c) 2006 Josef Cejka
  3.  * Copyright (c) 2006 Jakub Vana
  4.  * All rights reserved.
  5.  *
  6.  * Redistribution and use in source and binary forms, with or without
  7.  * modification, are permitted provided that the following conditions
  8.  * are met:
  9.  *
  10.  * - Redistributions of source code must retain the above copyright
  11.  *   notice, this list of conditions and the following disclaimer.
  12.  * - Redistributions in binary form must reproduce the above copyright
  13.  *   notice, this list of conditions and the following disclaimer in the
  14.  *   documentation and/or other materials provided with the distribution.
  15.  * - The name of the author may not be used to endorse or promote products
  16.  *   derived from this software without specific prior written permission.
  17.  *
  18.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28.  */
  29.  
  30. /** @addtogroup libc
  31.  * @{
  32.  */
  33. /** @file
  34.  */
  35.  
  36. #include <io/io.h>
  37. #include <io/stream.h>
  38. #include <string.h>
  39. #include <malloc.h>
  40. #include <libc.h>
  41. #include <ipc/ipc.h>
  42. #include <ipc/ns.h>
  43. #include <ipc/fb.h>
  44. #include <ipc/services.h>
  45. #include <ipc/console.h>
  46. #include <console.h>
  47. #include <kbd/kbd.h>
  48. #include <unistd.h>
  49. #include <async.h>
  50. #include <sys/types.h>
  51.  
  52. ssize_t write_stderr(const void *buf, size_t count)
  53. {
  54.     return count;
  55. }
  56.  
  57. ssize_t read_stdin(void *buf, size_t count)
  58. {
  59.     int cons_phone = console_phone_get(false);
  60.  
  61.     if (cons_phone >= 0) {
  62.         kbd_event_t ev;
  63.         int rc;
  64.         size_t i = 0;
  65.    
  66.         while (i < count) {
  67.             do {
  68.                 rc = kbd_get_event(&ev);
  69.                 if (rc < 0) return -1;
  70.             } while (ev.c == 0 || ev.type == KE_RELEASE);
  71.  
  72.             ((char *) buf)[i++] = ev.c;
  73.         }
  74.         return i;
  75.     } else {
  76.         return -1;
  77.     }
  78. }
  79.  
  80. ssize_t write_stdout(const void *buf, size_t count)
  81. {
  82.     int cons_phone = console_phone_get(false);
  83.     int left, rc;
  84.  
  85.     if (cons_phone >= 0) {
  86.         int i;
  87.  
  88.         left = count;
  89.         while (left > 0) {
  90.             rc = console_write(buf, left);
  91.             if (rc < 0)
  92.                 break;
  93.             buf += rc;
  94.             left -= rc;
  95.         }
  96.  
  97.         return count;
  98.     } else
  99.         return __SYSCALL3(SYS_KLOG, 1, (sysarg_t) buf, count);
  100. }
  101.  
  102. int flush_stdout(void)
  103. {
  104.     console_flush();
  105.     return 0;
  106. }
  107.  
  108. void klog_update(void)
  109. {
  110.     (void) __SYSCALL3(SYS_KLOG, 1, NULL, 0);
  111. }
  112.  
  113. /** @}
  114.  */
  115.