[src/trunk]: src/usr.bin/make make(1): extract parsing of the -dF option into...

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

details:   https://anonhg.NetBSD.org/src/rev/ccc386a20d6c
branches:  trunk
changeset: 955272:ccc386a20d6c
user:      rillig <rillig%NetBSD.org@localhost>
date:      Fri Sep 25 19:40:23 2020 +0000

description:
make(1): extract parsing of the -dF option into separate function

diffstat:

 usr.bin/make/main.c |  78 ++++++++++++++++++++++++++++++----------------------
 1 files changed, 45 insertions(+), 33 deletions(-)

diffs (109 lines):

diff -r df786172d398 -r ccc386a20d6c usr.bin/make/main.c
--- a/usr.bin/make/main.c       Fri Sep 25 19:24:56 2020 +0000
+++ b/usr.bin/make/main.c       Fri Sep 25 19:40:23 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: main.c,v 1.343 2020/09/25 19:24:56 rillig Exp $        */
+/*     $NetBSD: main.c,v 1.344 2020/09/25 19:40:23 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 1.343 2020/09/25 19:24:56 rillig Exp $");
+MAKE_RCSID("$NetBSD: main.c,v 1.344 2020/09/25 19:40:23 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.");
@@ -223,12 +223,51 @@
 }
 
 static void
+parse_debug_option_F(const char *modules)
+{
+    const char *mode;
+    size_t len;
+    char *fname;
+
+    if (debug_file != stdout && debug_file != stderr)
+       fclose(debug_file);
+
+    if (*modules == '+') {
+       modules++;
+       mode = "a";
+    } else
+       mode = "w";
+
+    if (strcmp(modules, "stdout") == 0) {
+       debug_file = stdout;
+       return;
+    }
+    if (strcmp(modules, "stderr") == 0) {
+       debug_file = stderr;
+       return;
+    }
+
+    len = strlen(modules);
+    fname = bmake_malloc(len + 20);
+    memcpy(fname, modules, len + 1);
+
+    /* Let the filename be modified by the pid */
+    if (strcmp(fname + len - 3, ".%d") == 0)
+       snprintf(fname + len - 2, 20, "%d", getpid());
+
+    debug_file = fopen(fname, mode);
+    if (!debug_file) {
+       fprintf(stderr, "Cannot open debug file %s\n",
+               fname);
+       usage();
+    }
+    free(fname);
+}
+
+static void
 parse_debug_options(const char *argvalue)
 {
        const char *modules;
-       const char *mode;
-       char *fname;
-       int len;
 
        for (modules = argvalue; *modules; ++modules) {
                switch (*modules) {
@@ -307,34 +346,7 @@
                        debug |= DEBUG_SHELL;
                        break;
                case 'F':
-                       if (debug_file != stdout && debug_file != stderr)
-                               fclose(debug_file);
-                       if (*++modules == '+') {
-                               modules++;
-                               mode = "a";
-                       } else
-                               mode = "w";
-                       if (strcmp(modules, "stdout") == 0) {
-                               debug_file = stdout;
-                               goto debug_setbuf;
-                       }
-                       if (strcmp(modules, "stderr") == 0) {
-                               debug_file = stderr;
-                               goto debug_setbuf;
-                       }
-                       len = strlen(modules);
-                       fname = bmake_malloc(len + 20);
-                       memcpy(fname, modules, len + 1);
-                       /* Let the filename be modified by the pid */
-                       if (strcmp(fname + len - 3, ".%d") == 0)
-                               snprintf(fname + len - 2, 20, "%d", getpid());
-                       debug_file = fopen(fname, mode);
-                       if (!debug_file) {
-                               fprintf(stderr, "Cannot open debug file %s\n",
-                                   fname);
-                               usage();
-                       }
-                       free(fname);
+                       parse_debug_option_F(modules + 1);
                        goto debug_setbuf;
                default:
                        (void)fprintf(stderr,