src/psp/error.c

   1 /*******************************************************************************
   2  * Reverse Polish Notation calculator.                                         *
   3  * Copyright (c) 2007-2008, Samuel Fredrickson <kinghajj@gmail.com>            *
   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 are met: *
   8  *     * Redistributions of source code must retain the above copyright        *
   9  *       notice, this list of conditions and the following disclaimer.         *
  10  *     * Redistributions in binary form must reproduce the above copyright     *
  11  *       notice, this list of conditions and the following disclaimer in the   *
  12  *       documentation and/or other materials provided with the distribution.  *
  13  *                                                                             *
  14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``AS IS'' AND ANY EXPRESS *
  15  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED           *
  16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE      *
  17  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY        *
  18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES  *
  19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR          *
  20  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER  *
  21  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          *
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY   *
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
  24  * DAMAGE.                                                                     *
  25  ******************************************************************************/
  26
  27 /*******************************************************************************
  28  * error.c - an error-handling function; it just prints the error and exits.   *
  29  * there's also some output code.                                              *
  30  ******************************************************************************/
  31
  32 #include "rpn.h"
  33 #include <stdarg.h>
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <unistd.h>
  37
  38 //! Prints an error to the screen, then exits. This is much simpler than the
  39 //! normal RPN_error function.
  40 /**
  41  * @param msg The message to print.
  42  */
  43 void RPN_error(char *msg)
  44 {
  45         kprintf("\nerror: %s\n\nauto-exiting in 10 seconds...", msg);
  46         sleep(10);
  47         sceKernelExitGame();
  48 }
  49
  50 #ifndef DOXYGEN_SKIP
  51 #define RPNPSP_OUTBUF_SIZE 1024
  52 char RPNPSP_output_buffer[RPNPSP_OUTBUF_SIZE];
  53
  54 static void clearOutputBuffer()
  55 {
  56         int i;
  57
  58         for(i = 0; i < RPNPSP_OUTBUF_SIZE; i++)
  59         {
  60                 RPNPSP_output_buffer[i] = 0;
  61         }
  62 }
  63 #endif // DOXYGEN_SKIP
  64
  65 //! Prints to the screen.
  66 /**
  67  * The PSP, as far as I can tell, cannot use normal printf()-family functions.
  68  * So, this uses vsprintf to print to a buffer first. This could potentially be
  69  * dangerous, so the buffer is fairly large (1024 bytes) to prevent errors. As
  70  * long as you don't print anything longer than 1024 characters long, everything
  71  * should be fine.
  72  *
  73  * @param fmt The formatting string.
  74  */
  75 int RPN_printf(char *fmt, ...)
  76 {
  77         va_list args;
  78
  79         // Always make sure to clear the buffer!
  80         clearOutputBuffer();
  81
  82         va_start(args, fmt);
  83         vsprintf(RPNPSP_output_buffer, fmt, args);
  84         kprintf("%s", RPNPSP_output_buffer);
  85         return 0;
  86 }
  87
  88 #ifndef DOXYGEN_SKIP
  89 #ifdef RPN_DEBUG
  90 int RPN_dprintff(char *func, char *fmt, ...)
  91 {
  92         va_list args;
  93
  94         // Always make sure to clear the buffer!
  95         RPNPSP_clearOutputBuffer();
  96
  97         va_start(args, fmt);
  98         vsprintf(RPNPSP_output_buffer, fmt, args);
  99         kprintf("%s: %s\n", func, RPNPSP_output_buffer);
 100         return 0;
 101 }
 102 #endif
 103 #endif // DOXYGEN_SKIP