diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_utildefines.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_utildefines.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/source/blender/blenkernel/BKE_utildefines.h b/source/blender/blenkernel/BKE_utildefines.h index c0ed8430177..c052af775f2 100644 --- a/source/blender/blenkernel/BKE_utildefines.h +++ b/source/blender/blenkernel/BKE_utildefines.h @@ -168,7 +168,15 @@ #define ENDB MAKE_ID('E','N','D','B') -/* This one rotates the bytes in an int */ +/* This one rotates the bytes in an int64, int (32) and short (16) */ +#define SWITCH_INT64(a) { \ + char s_i, *p_i; \ + p_i= (char *)&(a); \ + s_i=p_i[0]; p_i[0]=p_i[7]; p_i[7]=s_i; \ + s_i=p_i[1]; p_i[1]=p_i[6]; p_i[6]=s_i; \ + s_i=p_i[2]; p_i[2]=p_i[5]; p_i[5]=s_i; \ + s_i=p_i[3]; p_i[3]=p_i[4]; p_i[4]=s_i; } + #define SWITCH_INT(a) { \ char s_i, *p_i; \ p_i= (char *)&(a); \ |