apps/plugins/zxbox/helpers.c

   1 #include "zxconfig.h"
   2 #include "helpers.h"
   3
   4 int my_getc(int fd){
   5     unsigned char c;
   6     if ( rb->read(fd, &c, 1) )
   7         return c;
   8     else
   9         return EOF;
  10 }
  11
  12 off_t my_ftell(int fd){
  13     return rb->lseek(fd, 0, SEEK_CUR);
  14 }
  15
  16 int my_putc(char c , int fd){
  17     return rb->write(fd,&c,1);
  18 }
  19
  20 void *my_malloc(size_t size)
  21 {
  22     static char *offset = NULL;
  23     static size_t totalSize = 0;
  24     char *ret;
  25
  26     int remainder = size % 4;
  27
  28     size = size + 4-remainder;
  29
  30     if (offset == NULL)
  31     {
  32         offset = rb->plugin_get_audio_buffer(&totalSize);
  33     }
  34
  35     if (size + 4 > totalSize)
  36     {
  37         /* We've made our point. */
  38         return NULL;
  39     }
  40
  41     ret = offset + 4;
  42     *((unsigned int *)offset) = size;
  43
  44     offset += size + 4;
  45     totalSize -= size + 4;
  46     return ret;
  47
  48 }