[src/trunk]: src/usr.bin/make make(1): clean up option handling

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

details:   https://anonhg.NetBSD.org/src/rev/3e50e4f53fb4
branches:  trunk
changeset: 944514:3e50e4f53fb4
user:      rillig <rillig%NetBSD.org@localhost>
date:      Thu Oct 01 23:42:22 2020 +0000

description:
make(1): clean up option handling

The test for argvalue == NULL for the individual options was unnecessary
since that is already done in the common part.

diffstat:

 usr.bin/make/main.c |  24 +++++++-----------------
 1 files changed, 7 insertions(+), 17 deletions(-)

diffs (119 lines):

diff -r 17a9a43e1300 -r 3e50e4f53fb4 usr.bin/make/main.c
--- a/usr.bin/make/main.c       Thu Oct 01 23:28:01 2020 +0000
+++ b/usr.bin/make/main.c       Thu Oct 01 23:42:22 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: main.c,v 1.358 2020/10/01 23:28:01 rillig Exp $        */
+/*     $NetBSD: main.c,v 1.359 2020/10/01 23:42:22 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -126,7 +126,7 @@
 #endif
 
 /*     "@(#)main.c     8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: main.c,v 1.358 2020/10/01 23:28:01 rillig Exp $");
+MAKE_RCSID("$NetBSD: main.c,v 1.359 2020/10/01 23:42:22 rillig Exp $");
 #if defined(MAKE_NATIVE) && !defined(lint)
 __COPYRIGHT("@(#) Copyright (c) 1988, 1989, 1990, 1993\
  The Regents of the University of California.  All rights reserved.");
@@ -489,19 +489,17 @@
                MainParseArgChdir(argvalue);
                break;
        case 'D':
-               if (argvalue == NULL || argvalue[0] == 0) return FALSE;
+               if (argvalue[0] == '\0') return FALSE;
                Var_Set(argvalue, "1", VAR_GLOBAL);
                Var_Append(MAKEFLAGS, "-D", VAR_GLOBAL);
                Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
                break;
        case 'I':
-               if (argvalue == NULL) return FALSE;
                Parse_AddIncludeDir(argvalue);
                Var_Append(MAKEFLAGS, "-I", VAR_GLOBAL);
                Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
                break;
        case 'J':
-               if (argvalue == NULL) return FALSE;
                MainParseArgJobsInternal(argvalue);
                break;
        case 'N':
@@ -514,14 +512,12 @@
                Var_Append(MAKEFLAGS, "-S", VAR_GLOBAL);
                break;
        case 'T':
-               if (argvalue == NULL) return FALSE;
                tracefile = bmake_strdup(argvalue);
                Var_Append(MAKEFLAGS, "-T", VAR_GLOBAL);
                Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
                break;
        case 'V':
        case 'v':
-               if (argvalue == NULL) return FALSE;
                printVars = c == 'v' ? EXPAND_VARS : COMPAT_VARS;
                Lst_Append(variables, bmake_strdup(argvalue));
                Var_Append(MAKEFLAGS, "-V", VAR_GLOBAL);
@@ -535,7 +531,6 @@
                Var_Append(MAKEFLAGS, "-X", VAR_GLOBAL);
                break;
        case 'd':
-               if (argvalue == NULL) return FALSE;
                /* If '-d-opts' don't pass to children */
                if (argvalue[0] == '-')
                        argvalue++;
@@ -550,7 +545,6 @@
                Var_Append(MAKEFLAGS, "-e", VAR_GLOBAL);
                break;
        case 'f':
-               if (argvalue == NULL) return FALSE;
                Lst_Append(makefiles, bmake_strdup(argvalue));
                break;
        case 'i':
@@ -558,7 +552,6 @@
                Var_Append(MAKEFLAGS, "-i", VAR_GLOBAL);
                break;
        case 'j':
-               if (argvalue == NULL) return FALSE;
                MainParseArgJobs(argvalue);
                break;
        case 'k':
@@ -566,7 +559,6 @@
                Var_Append(MAKEFLAGS, "-k", VAR_GLOBAL);
                break;
        case 'm':
-               if (argvalue == NULL) return FALSE;
                MainParseArgSysInc(argvalue);
                break;
        case 'n':
@@ -614,19 +606,17 @@
        char c = '?';
        int arginc;
        char *argvalue;
-       const char *getopt_def;
        char *optscan;
        Boolean inOption, dashDash = FALSE;
 
-#define OPTFLAGS "BC:D:I:J:NST:V:WXd:ef:ij:km:nqrstv:w"
+       const char *optspecs = "BC:D:I:J:NST:V:WXd:ef:ij:km:nqrstv:w";
 /* Can't actually use getopt(3) because rescanning is not portable */
 
-       getopt_def = OPTFLAGS;
 rearg:
        inOption = FALSE;
        optscan = NULL;
        while (argc > 1) {
-               char *getopt_spec;
+               const char *optspec;
                if (!inOption)
                        optscan = argv[1];
                c = *optscan++;
@@ -645,8 +635,8 @@
                        c = *optscan++;
                }
                /* '-' found at some earlier point */
-               getopt_spec = strchr(getopt_def, c);
-               if (c != '\0' && getopt_spec != NULL && getopt_spec[1] == ':') {
+               optspec = strchr(optspecs, c);
+               if (c != '\0' && optspec != NULL && optspec[1] == ':') {
                        /* -<something> found, and <something> should have an arg */
                        inOption = FALSE;
                        arginc = 1;