[src/trunk]: src/usr.bin/make make(1): rename local variable in For_Eval

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/871d92398243
branches:  trunk
changeset: 945294:871d92398243
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Oct 25 15:58:04 2020 +0000

description:
make(1): rename local variable in For_Eval

diffstat:

 usr.bin/make/for.c |  35 +++++++++++++++++------------------
 1 files changed, 17 insertions(+), 18 deletions(-)

diffs (102 lines):

diff -r 42e1010a505e -r 871d92398243 usr.bin/make/for.c
--- a/usr.bin/make/for.c        Sun Oct 25 15:55:36 2020 +0000
+++ b/usr.bin/make/for.c        Sun Oct 25 15:58:04 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: for.c,v 1.104 2020/10/25 15:49:03 rillig Exp $ */
+/*     $NetBSD: for.c,v 1.105 2020/10/25 15:58:04 rillig Exp $ */
 
 /*
  * Copyright (c) 1992, The Regents of the University of California.
@@ -60,7 +60,7 @@
 #include    "make.h"
 
 /*     "@(#)for.c      8.1 (Berkeley) 6/6/93"  */
-MAKE_RCSID("$NetBSD: for.c,v 1.104 2020/10/25 15:49:03 rillig Exp $");
+MAKE_RCSID("$NetBSD: for.c,v 1.105 2020/10/25 15:58:04 rillig Exp $");
 
 typedef enum ForEscapes {
     FOR_SUB_ESCAPE_CHAR = 0x0001,
@@ -161,25 +161,24 @@
 For_Eval(const char *line)
 {
     For *new_for;
-    const char *ptr;
+    const char *p;
 
     /* Skip the '.' and any following whitespace */
-    ptr = line + 1;
-    cpp_skip_whitespace(&ptr);
+    p = line + 1;
+    cpp_skip_whitespace(&p);
 
     /*
      * If we are not in a for loop quickly determine if the statement is
      * a for.
      */
-    if (ptr[0] != 'f' || ptr[1] != 'o' || ptr[2] != 'r' ||
-       !ch_isspace(ptr[3])) {
-       if (ptr[0] == 'e' && strncmp(ptr + 1, "ndfor", 5) == 0) {
+    if (p[0] != 'f' || p[1] != 'o' || p[2] != 'r' || !ch_isspace(p[3])) {
+       if (p[0] == 'e' && strncmp(p + 1, "ndfor", 5) == 0) {
            Parse_Error(PARSE_FATAL, "for-less endfor");
            return -1;
        }
        return 0;
     }
-    ptr += 3;
+    p += 3;
 
     /*
      * we found a for loop, and now we are going to parse it.
@@ -198,26 +197,26 @@
     for (;;) {
        size_t len;
 
-       cpp_skip_whitespace(&ptr);
-       if (*ptr == '\0') {
+       cpp_skip_whitespace(&p);
+       if (*p == '\0') {
            Parse_Error(PARSE_FATAL, "missing `in' in for");
            For_Free(new_for);
            return -1;
        }
 
        /* XXX: This allows arbitrary variable names; see directive-for.mk. */
-       for (len = 1; ptr[len] && !ch_isspace(ptr[len]); len++)
+       for (len = 1; p[len] && !ch_isspace(p[len]); len++)
            continue;
 
-       if (len == 2 && ptr[0] == 'i' && ptr[1] == 'n') {
-           ptr += 2;
+       if (len == 2 && p[0] == 'i' && p[1] == 'n') {
+           p += 2;
            break;
        }
        if (len == 1)
            new_for->short_var = TRUE;
 
-       ForAddVar(new_for, ptr, len);
-       ptr += len;
+       ForAddVar(new_for, p, len);
+       p += len;
     }
 
     if (new_for->vars.len == 0) {
@@ -226,7 +225,7 @@
        return -1;
     }
 
-    cpp_skip_whitespace(&ptr);
+    cpp_skip_whitespace(&p);
 
     /*
      * Make a list with the remaining words.
@@ -238,7 +237,7 @@
      */
     {
        char *items;
-       (void)Var_Subst(ptr, VAR_GLOBAL, VARE_WANTRES, &items);
+       (void)Var_Subst(p, VAR_GLOBAL, VARE_WANTRES, &items);
        /* TODO: handle errors */
        new_for->items = Str_Words(items, FALSE);
        free(items);