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[src/trunk]: src/usr.bin/make make(1): extract option handling for -j/-J into...



details:   https://anonhg.NetBSD.org/src/rev/e9e2e0164b26
branches:  trunk
changeset: 955499:e9e2e0164b26
user:      rillig <rillig%NetBSD.org@localhost>
date:      Thu Oct 01 23:14:07 2020 +0000

description:
make(1): extract option handling for -j/-J into separate functions

diffstat:

 usr.bin/make/main.c |  84 ++++++++++++++++++++++++++++++----------------------
 1 files changed, 49 insertions(+), 35 deletions(-)

diffs (122 lines):

diff -r ad75c892d7b6 -r e9e2e0164b26 usr.bin/make/main.c
--- a/usr.bin/make/main.c       Thu Oct 01 23:06:56 2020 +0000
+++ b/usr.bin/make/main.c       Thu Oct 01 23:14:07 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: main.c,v 1.355 2020/10/01 23:06:56 rillig Exp $        */
+/*     $NetBSD: main.c,v 1.356 2020/10/01 23:14:07 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 1.355 2020/10/01 23:06:56 rillig Exp $");
+MAKE_RCSID("$NetBSD: main.c,v 1.356 2020/10/01 23:14:07 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.");
@@ -411,10 +411,54 @@
        ignorePWD = TRUE;
 }
 
+static void
+MainParseArgJobsInternal(const char *argvalue)
+{
+       if (sscanf(argvalue, "%d,%d", &jp_0, &jp_1) != 2) {
+               (void)fprintf(stderr,
+                             "%s: internal error -- J option malformed (%s)\n",
+                             progname, argvalue);
+               usage();
+       }
+       if ((fcntl(jp_0, F_GETFD, 0) < 0) ||
+           (fcntl(jp_1, F_GETFD, 0) < 0)) {
+#if 0
+               (void)fprintf(stderr,
+                   "%s: ###### warning -- J descriptors were closed!\n",
+                   progname);
+               exit(2);
+#endif
+               jp_0 = -1;
+               jp_1 = -1;
+               compatMake = TRUE;
+       } else {
+               Var_Append(MAKEFLAGS, "-J", VAR_GLOBAL);
+               Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
+       }
+}
+
+static void
+MainParseArgJobs(const char *argvalue)
+{
+       char *p;
+
+       forceJobs = TRUE;
+       maxJobs = strtol(argvalue, &p, 0);
+       if (*p != '\0' || maxJobs < 1) {
+               (void)fprintf(stderr,
+                   "%s: illegal argument to -j -- must be positive integer!\n",
+                   progname);
+               exit(1);        /* XXX: why not 2? */
+       }
+       Var_Append(MAKEFLAGS, "-j", VAR_GLOBAL);
+       Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
+       Var_Set(".MAKE.JOBS", argvalue, VAR_GLOBAL);
+       maxJobTokens = maxJobs;
+}
+
 static Boolean
 MainParseArg(char c, char *argvalue)
 {
-       char *p;
        char found_path[MAXPATHLEN + 1];        /* for searching for sys.mk */
 
        switch (c) {
@@ -442,27 +486,7 @@
                break;
        case 'J':
                if (argvalue == NULL) return FALSE;
-               if (sscanf(argvalue, "%d,%d", &jp_0, &jp_1) != 2) {
-                       (void)fprintf(stderr,
-                                     "%s: internal error -- J option malformed (%s)\n",
-                                     progname, argvalue);
-                       usage();
-               }
-               if ((fcntl(jp_0, F_GETFD, 0) < 0) ||
-                   (fcntl(jp_1, F_GETFD, 0) < 0)) {
-#if 0
-                       (void)fprintf(stderr,
-                           "%s: ###### warning -- J descriptors were closed!\n",
-                           progname);
-                       exit(2);
-#endif
-                       jp_0 = -1;
-                       jp_1 = -1;
-                       compatMake = TRUE;
-               } else {
-                       Var_Append(MAKEFLAGS, "-J", VAR_GLOBAL);
-                       Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
-               }
+               MainParseArgJobsInternal(argvalue);
                break;
        case 'N':
                noExecute = TRUE;
@@ -519,17 +543,7 @@
                break;
        case 'j':
                if (argvalue == NULL) return FALSE;
-               forceJobs = TRUE;
-               maxJobs = strtol(argvalue, &p, 0);
-               if (*p != '\0' || maxJobs < 1) {
-                       (void)fprintf(stderr, "%s: illegal argument to -j -- must be positive integer!\n",
-                           progname);
-                       exit(1);
-               }
-               Var_Append(MAKEFLAGS, "-j", VAR_GLOBAL);
-               Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
-               Var_Set(".MAKE.JOBS", argvalue, VAR_GLOBAL);
-               maxJobTokens = maxJobs;
+               MainParseArgJobs(argvalue);
                break;
        case 'k':
                keepgoing = TRUE;



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