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[src/trunk]: src/usr.bin/make make(1): remove ReturnStatus, SUCCESS and FAILURE



details:   https://anonhg.NetBSD.org/src/rev/45cbfb7669c7
branches:  trunk
changeset: 937959:45cbfb7669c7
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sat Aug 29 12:20:17 2020 +0000

description:
make(1): remove ReturnStatus, SUCCESS and FAILURE

These are used in so few places now that it is easier to use a simple
Boolean for them.

diffstat:

 usr.bin/make/arch.c  |  10 +++++-----
 usr.bin/make/job.c   |  24 ++++++++++++------------
 usr.bin/make/job.h   |   4 ++--
 usr.bin/make/make.h  |  20 +-------------------
 usr.bin/make/parse.c |  24 ++++++++++++------------
 5 files changed, 32 insertions(+), 50 deletions(-)

diffs (291 lines):

diff -r 332e9cd7a366 -r 45cbfb7669c7 usr.bin/make/arch.c
--- a/usr.bin/make/arch.c       Sat Aug 29 12:01:46 2020 +0000
+++ b/usr.bin/make/arch.c       Sat Aug 29 12:20:17 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: arch.c,v 1.104 2020/08/29 10:12:06 rillig Exp $        */
+/*     $NetBSD: arch.c,v 1.105 2020/08/29 12:20:17 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: arch.c,v 1.104 2020/08/29 10:12:06 rillig Exp $";
+static char rcsid[] = "$NetBSD: arch.c,v 1.105 2020/08/29 12:20:17 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)arch.c     8.2 (Berkeley) 1/2/94";
 #else
-__RCSID("$NetBSD: arch.c,v 1.104 2020/08/29 10:12:06 rillig Exp $");
+__RCSID("$NetBSD: arch.c,v 1.105 2020/08/29 12:20:17 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -94,7 +94,7 @@
  * The interface to this module is:
  *     Arch_ParseArchive       Given an archive specification, return a list
  *                             of GNode's, one for each member in the spec.
- *                             FAILURE is returned if the specification is
+ *                             FALSE is returned if the specification is
  *                             invalid for some reason.
  *
  *     Arch_Touch              Alter the modification time of the archive
@@ -358,7 +358,7 @@
                }
            } else if (!Arch_ParseArchive(&sacrifice, nodeLst, ctxt)) {
                /*
-                * Error in nested call -- free buffer and return FAILURE
+                * Error in nested call -- free buffer and return FALSE
                 * ourselves.
                 */
                free(buf);
diff -r 332e9cd7a366 -r 45cbfb7669c7 usr.bin/make/job.c
--- a/usr.bin/make/job.c        Sat Aug 29 12:01:46 2020 +0000
+++ b/usr.bin/make/job.c        Sat Aug 29 12:20:17 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: job.c,v 1.223 2020/08/29 10:41:12 rillig Exp $ */
+/*     $NetBSD: job.c,v 1.224 2020/08/29 12:20:17 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: job.c,v 1.223 2020/08/29 10:41:12 rillig Exp $";
+static char rcsid[] = "$NetBSD: job.c,v 1.224 2020/08/29 12:20:17 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)job.c      8.2 (Berkeley) 3/19/94";
 #else
-__RCSID("$NetBSD: job.c,v 1.223 2020/08/29 10:41:12 rillig Exp $");
+__RCSID("$NetBSD: job.c,v 1.224 2020/08/29 12:20:17 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -112,7 +112,7 @@
  *
  *     Job_ParseShell          Given the line following a .SHELL target, parse
  *                             the line as a shell specification. Returns
- *                             FAILURE if the spec was incorrect.
+ *                             FALSE if the spec was incorrect.
  *
  *     Job_Finish              Perform any final processing which needs doing.
  *                             This includes the execution of any commands
@@ -2376,7 +2376,7 @@
  *     line            The shell spec
  *
  * Results:
- *     FAILURE if the specification was incorrect.
+ *     FALSE if the specification was incorrect.
  *
  * Side Effects:
  *     commandShell points to a Shell structure (either predefined or
@@ -2413,7 +2413,7 @@
  *
  *-----------------------------------------------------------------------
  */
-ReturnStatus
+Boolean
 Job_ParseShell(char *line)
 {
     char       **words;
@@ -2438,7 +2438,7 @@
     words = brk_string(line, TRUE, &argc, &path);
     if (words == NULL) {
        Error("Unterminated quoted string [%s]", line);
-       return FAILURE;
+       return FALSE;
     }
     shellArgv = path;
 
@@ -2477,7 +2477,7 @@
                    Parse_Error(PARSE_FATAL, "Unknown keyword \"%s\"",
                                *argv);
                    free(words);
-                   return FAILURE;
+                   return FALSE;
                }
                fullSpec = TRUE;
            }
@@ -2493,13 +2493,13 @@
        if (newShell.name == NULL) {
            Parse_Error(PARSE_FATAL, "Neither path nor name specified");
            free(words);
-           return FAILURE;
+           return FALSE;
        } else {
            if ((sh = JobMatchShell(newShell.name)) == NULL) {
                    Parse_Error(PARSE_WARNING, "%s: No matching shell",
                                newShell.name);
                    free(words);
-                   return FAILURE;
+                   return FALSE;
            }
            commandShell = sh;
            shellName = newShell.name;
@@ -2535,7 +2535,7 @@
                    Parse_Error(PARSE_WARNING, "%s: No matching shell",
                                shellName);
                    free(words);
-                   return FAILURE;
+                   return FALSE;
            }
            commandShell = sh;
        } else {
@@ -2564,7 +2564,7 @@
      * shell specification.
      */
     free(words);
-    return SUCCESS;
+    return TRUE;
 }
 
 /*-
diff -r 332e9cd7a366 -r 45cbfb7669c7 usr.bin/make/job.h
--- a/usr.bin/make/job.h        Sat Aug 29 12:01:46 2020 +0000
+++ b/usr.bin/make/job.h        Sat Aug 29 12:20:17 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: job.h,v 1.46 2020/08/27 06:18:22 rillig Exp $  */
+/*     $NetBSD: job.h,v 1.47 2020/08/29 12:20:17 rillig Exp $  */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -255,7 +255,7 @@
 void Job_Make(GNode *);
 void Job_Init(void);
 Boolean Job_Empty(void);
-ReturnStatus Job_ParseShell(char *);
+Boolean Job_ParseShell(char *);
 int Job_Finish(void);
 void Job_End(void);
 void Job_Wait(void);
diff -r 332e9cd7a366 -r 45cbfb7669c7 usr.bin/make/make.h
--- a/usr.bin/make/make.h       Sat Aug 29 12:01:46 2020 +0000
+++ b/usr.bin/make/make.h       Sat Aug 29 12:20:17 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: make.h,v 1.131 2020/08/29 08:09:07 rillig Exp $        */
+/*     $NetBSD: make.h,v 1.132 2020/08/29 12:20:17 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -152,24 +152,6 @@
 #define FALSE  0
 #endif /* FALSE */
 
-/*
- * Functions that must return a status can return a ReturnStatus to
- * indicate success or type of failure.
- */
-
-typedef int  ReturnStatus;
-
-/*
- * The following statuses overlap with the first 2 generic statuses
- * defined in status.h:
- *
- * SUCCESS                     There was no error.
- * FAILURE                     There was a general error.
- */
-
-#define        SUCCESS                 0x00000000
-#define        FAILURE                 0x00000001
-
 #include "lst.h"
 #include "enum.h"
 #include "hash.h"
diff -r 332e9cd7a366 -r 45cbfb7669c7 usr.bin/make/parse.c
--- a/usr.bin/make/parse.c      Sat Aug 29 12:01:46 2020 +0000
+++ b/usr.bin/make/parse.c      Sat Aug 29 12:20:17 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: parse.c,v 1.271 2020/08/29 11:24:54 rillig Exp $       */
+/*     $NetBSD: parse.c,v 1.272 2020/08/29 12:20:17 rillig Exp $       */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: parse.c,v 1.271 2020/08/29 11:24:54 rillig Exp $";
+static char rcsid[] = "$NetBSD: parse.c,v 1.272 2020/08/29 12:20:17 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)parse.c    8.3 (Berkeley) 3/19/94";
 #else
-__RCSID("$NetBSD: parse.c,v 1.271 2020/08/29 11:24:54 rillig Exp $");
+__RCSID("$NetBSD: parse.c,v 1.272 2020/08/29 12:20:17 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -425,17 +425,17 @@
 /*
  * Try to get the size of a file.
  */
-static ReturnStatus
+static Boolean
 load_getsize(int fd, size_t *ret)
 {
        struct stat st;
 
        if (fstat(fd, &st) < 0) {
-               return FAILURE;
+               return FALSE;
        }
 
        if (!S_ISREG(st.st_mode)) {
-               return FAILURE;
+               return FALSE;
        }
 
        /*
@@ -448,11 +448,11 @@
         * While we're at it reject negative sizes too, just in case.
         */
        if (st.st_size < 0 || st.st_size > 0x7fffffff) {
-               return FAILURE;
+               return FALSE;
        }
 
        *ret = (size_t) st.st_size;
-       return SUCCESS;
+       return TRUE;
 }
 
 /*
@@ -489,7 +489,7 @@
 #endif
        }
 
-       if (load_getsize(fd, &lf->len) == SUCCESS) {
+       if (load_getsize(fd, &lf->len)) {
                /* found a size, try mmap */
                if (pagesize == 0)
                        pagesize = sysconf(_SC_PAGESIZE);
@@ -1253,8 +1253,8 @@
             * things like "archive(file1.o file2.o file3.o)" are permissible.
             * Arch_ParseArchive will set 'line' to be the first non-blank
             * after the archive-spec. It creates/finds nodes for the members
-            * and places them on the given list, returning SUCCESS if all
-            * went well and FAILURE if there was an error in the
+            * and places them on the given list, returning TRUE if all
+            * went well and FALSE if there was an error in the
             * specification. On error, line should remain untouched.
             */
            if (!Arch_ParseArchive(&line, targets, VAR_CMD)) {
@@ -1609,7 +1609,7 @@
        Main_ParseArgLine(line);
        *line = '\0';
     } else if (specType == ExShell) {
-       if (Job_ParseShell(line) != SUCCESS) {
+       if (!Job_ParseShell(line)) {
            Parse_Error(PARSE_FATAL, "improper shell specification");
            goto out;
        }



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