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[src/trunk]: src/usr.bin/make make(1): replace *par->p with par->p[0]



details:   https://anonhg.NetBSD.org/src/rev/d4856a18c46a
branches:  trunk
changeset: 954787:d4856a18c46a
user:      rillig <rillig%NetBSD.org@localhost>
date:      Fri Sep 11 04:22:22 2020 +0000

description:
make(1): replace *par->p with par->p[0]

It's a few characters more code than before but can be read strictly
from left to right, which was not possible before.

diffstat:

 usr.bin/make/cond.c |  30 +++++++++++++++---------------
 1 files changed, 15 insertions(+), 15 deletions(-)

diffs (104 lines):

diff -r 75b2a5732b8a -r d4856a18c46a usr.bin/make/cond.c
--- a/usr.bin/make/cond.c       Fri Sep 11 04:18:44 2020 +0000
+++ b/usr.bin/make/cond.c       Fri Sep 11 04:22:22 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cond.c,v 1.122 2020/09/11 04:18:44 rillig Exp $        */
+/*     $NetBSD: cond.c,v 1.123 2020/09/11 04:22:22 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -70,14 +70,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: cond.c,v 1.122 2020/09/11 04:18:44 rillig Exp $";
+static char rcsid[] = "$NetBSD: cond.c,v 1.123 2020/09/11 04:22:22 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)cond.c     8.2 (Berkeley) 1/2/94";
 #else
-__RCSID("$NetBSD: cond.c,v 1.122 2020/09/11 04:18:44 rillig Exp $");
+__RCSID("$NetBSD: cond.c,v 1.123 2020/09/11 04:22:22 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -415,15 +415,15 @@
     Buf_Init(&buf, 0);
     str = NULL;
     *freeIt = NULL;
-    *quoted = qt = *par->p == '"' ? 1 : 0;
+    *quoted = qt = par->p[0] == '"' ? 1 : 0;
     if (qt)
        par->p++;
-    for (start = par->p; *par->p && str == NULL;) {
-       switch (*par->p) {
+    for (start = par->p; par->p[0] && str == NULL;) {
+       switch (par->p[0]) {
        case '\\':
            par->p++;
            if (par->p[0] != '\0') {
-               Buf_AddByte(&buf, *par->p);
+               Buf_AddByte(&buf, par->p[0]);
                par->p++;
            }
            continue;
@@ -432,7 +432,7 @@
                par->p++;       /* we don't want the quotes */
                goto got_str;
            }
-           Buf_AddByte(&buf, *par->p); /* likely? */
+           Buf_AddByte(&buf, par->p[0]); /* likely? */
            par->p++;
            continue;
        case ')':
@@ -444,7 +444,7 @@
        case '\t':
            if (!qt)
                goto got_str;
-           Buf_AddByte(&buf, *par->p);
+           Buf_AddByte(&buf, par->p[0]);
            par->p++;
            continue;
        case '$':
@@ -471,9 +471,9 @@
             * we are done.
             */
            if ((par->p == start + len) &&
-               (*par->p == '\0' ||
-                isspace((unsigned char)*par->p) ||
-                strchr("!=><)", *par->p))) {
+               (par->p[0] == '\0' ||
+                isspace((unsigned char)par->p[0]) ||
+                strchr("!=><)", par->p[0]))) {
                goto cleanup;
            }
 
@@ -495,7 +495,7 @@
                str = NULL;
                goto cleanup;
            }
-           Buf_AddByte(&buf, *par->p);
+           Buf_AddByte(&buf, par->p[0]);
            par->p++;
            continue;
        }
@@ -557,7 +557,7 @@
      * != 0 comparison.
      */
     op = par->p;
-    switch (*par->p) {
+    switch (par->p[0]) {
     case '!':
     case '=':
     case '<':
@@ -595,7 +595,7 @@
 
     CondParser_SkipWhitespace(par);
 
-    if (*par->p == '\0') {
+    if (par->p[0] == '\0') {
        Parse_Error(PARSE_WARNING,
                    "Missing right-hand-side of operator");
        goto done;



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