[src/trunk]: src/usr.bin/xlint/lint1 lint: clean up reading lint comments

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

details:   https://anonhg.NetBSD.org/src/rev/f9f407c4d375
branches:  trunk
changeset: 377464:f9f407c4d375
user:      rillig <rillig%NetBSD.org@localhost>
date:      Thu Jul 13 08:18:17 2023 +0000

description:
lint: clean up reading lint comments

diffstat:

 usr.bin/xlint/lint1/lex.c |  16 ++++++----------
 1 files changed, 6 insertions(+), 10 deletions(-)

diffs (53 lines):

diff -r bdaeb809eabe -r f9f407c4d375 usr.bin/xlint/lint1/lex.c
--- a/usr.bin/xlint/lint1/lex.c Thu Jul 13 07:46:43 2023 +0000
+++ b/usr.bin/xlint/lint1/lex.c Thu Jul 13 08:18:17 2023 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: lex.c,v 1.180 2023/07/13 07:19:24 rillig Exp $ */
+/* $NetBSD: lex.c,v 1.181 2023/07/13 08:18:17 rillig Exp $ */
 
 /*
  * Copyright (c) 1996 Christopher G. Demetriou.  All Rights Reserved.
@@ -38,7 +38,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID)
-__RCSID("$NetBSD: lex.c,v 1.180 2023/07/13 07:19:24 rillig Exp $");
+__RCSID("$NetBSD: lex.c,v 1.181 2023/07/13 08:18:17 rillig Exp $");
 #endif
 
 #include <ctype.h>
@@ -1086,7 +1086,6 @@ lex_comment(void)
 
        bool seen_end_of_comment = false;
 
-       /* Skip whitespace after the start of the comment */
        while (c = read_byte(), isspace(c))
                continue;
 
@@ -1104,14 +1103,12 @@ lex_comment(void)
        keywd[l] = '\0';
 
        /* look for the keyword */
-       for (i = 0; i < sizeof(keywtab) / sizeof(keywtab[0]); i++) {
+       for (i = 0; i < sizeof(keywtab) / sizeof(keywtab[0]); i++)
                if (strcmp(keywtab[i].name, keywd) == 0)
-                       break;
-       }
-       if (i == sizeof(keywtab) / sizeof(keywtab[0]))
-               goto skip_rest;
+                       goto found_keyword;
+       goto skip_rest;
 
-       /* skip whitespace after the keyword */
+found_keyword:
        while (isspace(c))
                c = read_byte();
 
@@ -1126,7 +1123,6 @@ lex_comment(void)
        arg[l] = '\0';
        a = l != 0 ? atoi(arg) : -1;
 
-       /* skip whitespace after the argument */
        while (isspace(c))
                c = read_byte();