apps/plugins/zxbox/helpers.c

   1 #include "zxconfig.h"
   2
   3 int my_getc(int fd){
   4     unsigned char c;
   5     if ( rb->read(fd, &c, 1) )
   6         return c;
   7     else
   8         return EOF;
   9 }
  10
  11 off_t my_ftell(int fd){
  12     return rb->lseek(fd, 0, SEEK_CUR);
  13 }
  14
  15 int my_putc(char c , int fd){
  16     return rb->write(fd,&c,1);
  17 }
  18
  19 void *my_malloc(size_t size)
  20 {
  21     static char *offset = NULL;
  22     static ssize_t totalSize = 0;
  23     char *ret;
  24
  25     int remainder = size % 4;
  26
  27     size = size + 4-remainder;
  28
  29     if (offset == NULL)
  30     {
  31         offset = rb->plugin_get_audio_buffer((size_t *)&totalSize);
  32     }
  33
  34     if (size + 4 > abs(totalSize) )
  35     {
  36         /* We've made our point. */
  37         return NULL;
  38     }
  39
  40     ret = offset + 4;
  41     *((unsigned int *)offset) = size;
  42
  43     offset += size + 4;
  44     totalSize -= size + 4;
  45     return ret;
  46
  47 }