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



details:   https://anonhg.NetBSD.org/src/rev/3d1bd5e3af16
branches:  trunk
changeset: 943857:3d1bd5e3af16
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sat Sep 12 12:15:22 2020 +0000

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

The name "cp" is not appropriate for a variable containing the basename
of a path.

diffstat:

 usr.bin/make/dir.c |  46 +++++++++++++++++++++++-----------------------
 1 files changed, 23 insertions(+), 23 deletions(-)

diffs (154 lines):

diff -r 9e61b17d448b -r 3d1bd5e3af16 usr.bin/make/dir.c
--- a/usr.bin/make/dir.c        Sat Sep 12 12:11:19 2020 +0000
+++ b/usr.bin/make/dir.c        Sat Sep 12 12:15:22 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dir.c,v 1.138 2020/09/11 04:32:39 rillig Exp $ */
+/*     $NetBSD: dir.c,v 1.139 2020/09/12 12:15:22 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: dir.c,v 1.138 2020/09/11 04:32:39 rillig Exp $";
+static char rcsid[] = "$NetBSD: dir.c,v 1.139 2020/09/12 12:15:22 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)dir.c      8.2 (Berkeley) 1/2/94";
 #else
-__RCSID("$NetBSD: dir.c,v 1.138 2020/09/11 04:32:39 rillig Exp $");
+__RCSID("$NetBSD: dir.c,v 1.139 2020/09/12 12:15:22 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -1069,7 +1069,7 @@
     LstNode ln;                        /* a list element */
     char *file;                        /* the current filename to check */
     Path *p;                   /* current path member */
-    const char *cp;            /* Terminal name of file */
+    const char *base;          /* Terminal name of file */
     Boolean hasLastDot = FALSE;        /* true we should search dot last */
     Boolean hasSlash;          /* true if 'name' contains a / */
     struct make_stat mst;      /* Buffer for stat, if necessary */
@@ -1079,13 +1079,13 @@
      * Find the final component of the name and note whether it has a
      * slash in it (the name, I mean)
      */
-    cp = strrchr(name, '/');
-    if (cp) {
+    base = strrchr(name, '/');
+    if (base) {
        hasSlash = TRUE;
-       cp += 1;
+           base += 1;
     } else {
        hasSlash = FALSE;
-       cp = name;
+           base = name;
     }
 
     DIR_DEBUG1("Searching for %s ...", name);
@@ -1111,7 +1111,7 @@
      * directory component is exactly `./', consult the cached contents
      * of each of the directories on the search path.
      */
-    if (!hasSlash || (cp - name == 2 && *name == '.')) {
+    if (!hasSlash || (base - name == 2 && *name == '.')) {
        /*
         * We look through all the directories on the path seeking one which
         * contains the final component of the given name.  If such a beast
@@ -1126,7 +1126,7 @@
         * This is so there are no conflicts between what the user
         * specifies (fish.c) and what pmake finds (./fish.c).
         */
-       if (!hasLastDot && (file = DirFindDot(hasSlash, name, cp)) != NULL) {
+       if (!hasLastDot && (file = DirFindDot(hasSlash, name, base)) != NULL) {
            Lst_Close(path);
            return file;
        }
@@ -1135,13 +1135,13 @@
            p = LstNode_Datum(ln);
            if (p == dotLast)
                continue;
-           if ((file = DirLookup(p, name, cp, hasSlash)) != NULL) {
+           if ((file = DirLookup(p, name, base, hasSlash)) != NULL) {
                Lst_Close(path);
                return file;
            }
        }
 
-       if (hasLastDot && (file = DirFindDot(hasSlash, name, cp)) != NULL) {
+       if (hasLastDot && (file = DirFindDot(hasSlash, name, base)) != NULL) {
            Lst_Close(path);
            return file;
        }
@@ -1168,9 +1168,9 @@
        return NULL;
     }
 
-    if (*cp == '\0') {
+    if (*base == '\0') {
        /* we were given a trailing "/" */
-       cp = trailing_dot;
+       base = trailing_dot;
     }
 
     if (name[0] != '/') {
@@ -1238,7 +1238,7 @@
        DIR_DEBUG0("   Trying exact path matches...\n");
 
        if (!hasLastDot && cur &&
-           ((file = DirLookupAbs(cur, name, cp)) != NULL)) {
+           ((file = DirLookupAbs(cur, name, base)) != NULL)) {
            if (file[0] == '\0') {
                free(file);
                return NULL;
@@ -1251,7 +1251,7 @@
            p = LstNode_Datum(ln);
            if (p == dotLast)
                continue;
-           if ((file = DirLookupAbs(p, name, cp)) != NULL) {
+           if ((file = DirLookupAbs(p, name, base)) != NULL) {
                Lst_Close(path);
                if (file[0] == '\0') {
                    free(file);
@@ -1263,7 +1263,7 @@
        Lst_Close(path);
 
        if (hasLastDot && cur &&
-           ((file = DirLookupAbs(cur, name, cp)) != NULL)) {
+           ((file = DirLookupAbs(cur, name, base)) != NULL)) {
            if (file[0] == '\0') {
                free(file);
                return NULL;
@@ -1290,13 +1290,13 @@
      * b/c we added it here. This is not good...
      */
 #ifdef notdef
-    if (cp == traling_dot) {
-       cp = strrchr(name, '/');
-       cp += 1;
+    if (base == trailing_dot) {
+       base = strrchr(name, '/');
+       base += 1;
     }
-    cp[-1] = '\0';
+    base[-1] = '\0';
     (void)Dir_AddDir(path, name);
-    cp[-1] = '/';
+    base[-1] = '/';
 
     bigmisses += 1;
     ln = Lst_Last(path);
@@ -1306,7 +1306,7 @@
        p = LstNode_Datum(ln);
     }
 
-    if (Hash_FindEntry(&p->files, cp) != NULL) {
+    if (Hash_FindEntry(&p->files, base) != NULL) {
        return bmake_strdup(name);
     } else {
        return NULL;



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