added comment to rfc for those wanting to mirror RFCs.

incrementing x and y in turn2line was in the wrong spot and caused weird stuff

1 files changed, 7 insertions, 7 deletions

diff --git a/src/bin/turn2line.c b/src/bin/turn2line.c
index 3dc190a..a5de23c 100644
--- a/src/bin/turn2line.c
+++ b/src/bin/turn2line.c
@@ -1,16 +1,16 @@
 #include <stdio.h>
 int main(int argc,char *argv[]) {
- int in,x=0,dx,y=0,dy,h=0,dh=argc<2?-1:atoi(argv[1]);
- for(;(in=fgetc(stdin)) != -1;dh=-1,x+=dx,y+=dy) {
-  if(dh == -1) {
-   dh=-4;
+ int in,x=0,dx,y=0,dy,h=0,dh=argc<2?-4:atoi(argv[1]);
+ for(;(in=fgetc(stdin)) != -1;dh=-4) {
+  if(dh == -4) {
    switch(in) { case'B':dh++;case'm':dh++;case'L':dh++;case'l':dh++;
      case'F':dh++;case'r':dh++;case'R':dh++;case's':dh++;default:break; }
    if(dh==-4) continue;
   }
   h=(h+8+dh)%8;
-  dx=(signed char)"\x01\x01\x00\xff\xff\xff\x00\x01"[h%8];
-  dy=(signed char)"\x00\x01\x01\x01\x00\xff\xff\xff"[h%8];
-  printf("%d %d %d %d\n",x,y,x+dx,y+dy);
+  printf("%d %d ",x,y);
+  x+=(signed char)"\x01\x01\x00\xff\xff\xff\x00\x01"[h%8];
+  y+=(signed char)"\x00\x01\x01\x01\x00\xff\xff\xff"[h%8];
+  printf("%d %d\n",x,y);
  }
 }