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[src/trunk]: src/usr.bin/make make(1): inline local variable delim



details:   https://anonhg.NetBSD.org/src/rev/d20b4117abcf
branches:  trunk
changeset: 1014448:d20b4117abcf
user:      rillig <rillig%NetBSD.org@localhost>
date:      Wed Sep 23 04:27:39 2020 +0000

description:
make(1): inline local variable delim

Now that ParseModifierPart generates the error message itself, there is
no need to keep this variable around since it is read a single time.

diffstat:

 usr.bin/make/var.c |  36 +++++++++++++-----------------------
 1 files changed, 13 insertions(+), 23 deletions(-)

diffs (139 lines):

diff -r 079b41833454 -r d20b4117abcf usr.bin/make/var.c
--- a/usr.bin/make/var.c        Wed Sep 23 03:33:54 2020 +0000
+++ b/usr.bin/make/var.c        Wed Sep 23 04:27:39 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: var.c,v 1.534 2020/09/22 20:23:57 rillig Exp $ */
+/*     $NetBSD: var.c,v 1.535 2020/09/23 04:27:39 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -121,7 +121,7 @@
 #include    "metachar.h"
 
 /*     "@(#)var.c      8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: var.c,v 1.534 2020/09/22 20:23:57 rillig Exp $");
+MAKE_RCSID("$NetBSD: var.c,v 1.535 2020/09/23 04:27:39 rillig Exp $");
 
 #define VAR_DEBUG_IF(cond, fmt, ...)   \
     if (!(DEBUG(VAR) && (cond)))       \
@@ -1978,7 +1978,6 @@
 ApplyModifier_Loop(const char **pp, ApplyModifiersState *st)
 {
     ModifyWord_LoopArgs args;
-    char delim;
     char prev_sep;
     VarEvalFlags eflags = st->eflags & ~(unsigned)VARE_WANTRES;
     VarParseResult res;
@@ -1986,8 +1985,7 @@
     args.ctx = st->ctxt;
 
     (*pp)++;                   /* Skip the first '@' */
-    delim = '@';
-    res = ParseModifierPart(pp, delim, eflags, st,
+    res = ParseModifierPart(pp, '@', eflags, st,
                            &args.tvar, NULL, NULL, NULL);
     if (res != VPR_OK)
        return AMR_CLEANUP;
@@ -1999,7 +1997,7 @@
        return AMR_CLEANUP;
     }
 
-    res = ParseModifierPart(pp, delim, eflags, st,
+    res = ParseModifierPart(pp, '@', eflags, st,
                            &args.str, NULL, NULL, NULL);
     if (res != VPR_OK)
        return AMR_CLEANUP;
@@ -2159,14 +2157,12 @@
 static ApplyModifierResult
 ApplyModifier_ShellCommand(const char **pp, ApplyModifiersState *st)
 {
-    char delim;
     char *cmd;
     const char *errfmt;
     VarParseResult res;
 
     (*pp)++;
-    delim = '!';
-    res = ParseModifierPart(pp, delim, st->eflags, st,
+    res = ParseModifierPart(pp, '!', st->eflags, st,
                            &cmd, NULL, NULL, NULL);
     if (res != VPR_OK)
        return AMR_CLEANUP;
@@ -2568,15 +2564,13 @@
 static ApplyModifierResult
 ApplyModifier_Words(const char **pp, ApplyModifiersState *st)
 {
-    char delim;
     char *estr;
     char *ep;
     int first, last;
     VarParseResult res;
 
     (*pp)++;                   /* skip the '[' */
-    delim = ']';               /* look for closing ']' */
-    res = ParseModifierPart(pp, delim, st->eflags, st,
+    res = ParseModifierPart(pp, ']', st->eflags, st,
                            &estr, NULL, NULL, NULL);
     if (res != VPR_OK)
        return AMR_CLEANUP;
@@ -2726,7 +2720,6 @@
 static ApplyModifierResult
 ApplyModifier_IfElse(const char **pp, ApplyModifiersState *st)
 {
-    char delim;
     char *then_expr, *else_expr;
     VarParseResult res;
 
@@ -2744,14 +2737,12 @@
     }
 
     (*pp)++;                   /* skip past the '?' */
-    delim = ':';
-    res = ParseModifierPart(pp, delim, then_eflags, st,
+    res = ParseModifierPart(pp, ':', then_eflags, st,
                            &then_expr, NULL, NULL, NULL);
     if (res != VPR_OK)
        return AMR_CLEANUP;
 
-    delim = st->endc;          /* BRCLOSE or PRCLOSE */
-    res = ParseModifierPart(pp, delim, else_eflags, st,
+    res = ParseModifierPart(pp, st->endc, else_eflags, st,
                            &else_expr, NULL, NULL, NULL);
     if (res != VPR_OK)
        return AMR_CLEANUP;
@@ -2919,7 +2910,7 @@
        return AMR_UNKNOWN;
 
     st->newVal = ModifyWords(st->ctxt, st->sep, st->oneBigWord,
-                           st->val, modifyWord, NULL);
+                            st->val, modifyWord, NULL);
     (*pp)++;
     return AMR_OK;
 }
@@ -2929,7 +2920,6 @@
 static ApplyModifierResult
 ApplyModifier_SysV(const char **pp, ApplyModifiersState *st)
 {
-    char delim;
     char *lhs, *rhs;
     VarParseResult res;
 
@@ -2957,14 +2947,14 @@
     if (*next != st->endc || !eqFound)
        return AMR_UNKNOWN;
 
-    delim = '=';
     *pp = mod;
-    res = ParseModifierPart(pp, delim, st->eflags, st, &lhs, NULL, NULL, NULL);
+    res = ParseModifierPart(pp, '=', st->eflags, st,
+                           &lhs, NULL, NULL, NULL);
     if (res != VPR_OK)
        return AMR_CLEANUP;
 
-    delim = st->endc;
-    res = ParseModifierPart(pp, delim, st->eflags, st, &rhs, NULL, NULL, NULL);
+    res = ParseModifierPart(pp, st->endc, st->eflags, st,
+                           &rhs, NULL, NULL, NULL);
     if (res != VPR_OK)
        return AMR_CLEANUP;
 



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