regcomp.c: Change macro formal parameter name

The parameter is not a node, but an offset into the array of nodes;  The
new name is clearer.

diff --git a/regcomp.c b/regcomp.c
index beaca30..53a450a 100644 (file)
--- a/regcomp.c
+++ b/regcomp.c
@@ -890,7 +890,7 @@ static const scan_data_t zero_scan_data = {
  * Position is 1 indexed.
  */
 #ifndef RE_TRACK_PATTERN_OFFSETS
-#define Set_Node_Offset_To_R(node,byte)
+#define Set_Node_Offset_To_R(offset,byte)
 #define Set_Node_Offset(node,byte)
 #define Set_Cur_Node_Offset
 #define Set_Node_Length_To_R(node,len)
@@ -904,15 +904,15 @@ static const scan_data_t zero_scan_data = {
 #else
 #define ProgLen(ri) ri->u.offsets[0]
 #define SetProgLen(ri,x) ri->u.offsets[0] = x
-#define Set_Node_Offset_To_R(node,byte) STMT_START {                   \
+#define Set_Node_Offset_To_R(offset,byte) STMT_START {                 \
     if (! SIZE_ONLY) {                                                 \
        MJD_OFFSET_DEBUG(("** (%d) offset of node %d is %d.\n",         \
-                   __LINE__, (int)(node), (int)(byte)));               \
-       if((node) < 0) {                                                \
+                   __LINE__, (int)(offset), (int)(byte)));             \
+       if((offset) < 0) {                                              \
            Perl_croak(aTHX_ "value of node is %d in Offset macro",     \
-                                         (int)(node));                  \
+                                         (int)(offset));                \
        } else {                                                        \
-           RExC_offsets[2*(node)-1] = (byte);                          \
+            RExC_offsets[2*(offset)-1] = (byte);                       \
        }                                                               \
     }                                                                  \
 } STMT_END