pc-tools/ldc/split.c

   1 #include <stdio.h>
   2 #include <sys/types.h>
   3 #include <sys/stat.h>
   4 #include <fcntl.h>
   5 #include <unistd.h>
   6
   7 #include "hw_types.h"
   8 #include "hw_helpers.h"
   9 #include "process.h"
  10 #include "split.h"
  11
  12 #define CHAR_START 0x81
  13 #define CHAR_END 0223
  14
  15
  16 //#define STOP1 0x83
  17 //#define STOP1 0x93
  18 //#define STOP1 0xff
  19
  20
  21 int fd=-3;
  22 int number=0;
  23
  24
  25 enum{OUTSIDE,INSIDE_ASM,INSIDE_FORT};
  26 int state = OUTSIDE;
  27 extern int splitnum;
  28
  29 #define bstart_l 1
  30 #define bend_l   2
  31 #define endseq_l 3
  32 char bstart_str[bstart_l] = {CHAR_START};
  33 char bend_str[bend_l]     = {CHAR_END,0xff};
  34 char endseq_str[endseq_l] = {0x83,0x93,0xff};
  35
  36 void split_init(){
  37 }
  38
  39
  40 void split(datablock * block){
  41     if ((block->type==BT_STOP) && splitnum){
  42         char filename[200];
  43         number+=10;
  44         snprintf(filename,200,"%04i-STOP",number);
  45         fd=open (filename,O_WRONLY|O_CREAT|O_TRUNC,00644);
  46         write(fd,endseq_str,endseq_l);
  47         close (fd);
  48         return;
  49     }
  50
  51     if (block->type!=BT_DATA) return;
  52
  53     switch (state){
  54         case OUTSIDE:
  55         if (get_blocktype(block)==6){
  56                 char* fn = extract_label6(block);
  57                 char filename[200];
  58                 number+=10;
  59                 if (splitnum) snprintf(filename,200,"%04i-%s",number,fn);
  60                 else snprintf(filename,200,"%s",fn);
  61                 free(fn);
  62                 while (filename[strlen(filename)-1]==' ')filename [strlen(filename)-1]=0;
  63                 fd=open (filename,O_WRONLY|O_CREAT|O_TRUNC,00644);
  64                 state=INSIDE_FORT;
  65                 write(fd,bstart_str,bstart_l);
  66                 write(fd,block->raw_data,(block->size)*3);
  67                 write(fd,bend_str,bend_l);
  68             }
  69
  70         if ((get_blocktype(block)==0)&& (get_blocksubtype(block)==0)){
  71                 char ** labels=extract_labels0(block);
  72                 char* fn = labels[0];
  73                 char filename[200];
  74                 number+=10;
  75                 if (splitnum) snprintf(filename,200,"%04i-%s",number,fn);
  76                 else snprintf(filename,200,"%s",fn);
  77
  78                 while (filename[strlen(filename)-1]==' ')filename [strlen(filename)-1]=0;
  79                 fd=open (filename,O_WRONLY|O_CREAT|O_TRUNC,00644);
  80                 dispose_labels(labels);
  81
  82                 state=INSIDE_ASM;
  83                 write(fd,bstart_str,bstart_l);
  84                 write(fd,block->raw_data,(block->size)*3);
  85                 write(fd,bend_str,bend_l);
  86         }
  87         break;
  88
  89         case INSIDE_ASM:
  90         write(fd,bstart_str,bstart_l);
  91         write(fd,block->raw_data,(block->size)*3);
  92         write(fd,bend_str,bend_l);
  93         if (get_blocksubtype(block)==014){
  94             state=OUTSIDE;
  95             close(fd);
  96         }
  97         break;
  98
  99         case INSIDE_FORT:
 100         write(fd,bstart_str,bstart_l);
 101         write(fd,block->raw_data,(block->size)*3);
 102         write(fd,bend_str,bend_l);
 103         if ((get_blocktype(block)==3)||get_blocktype(block)==4){
 104             state=OUTSIDE;
 105             close(fd);
 106         }
 107         break;
 108     }
 109 }