Thu Jul 8 03:10:39 2021 UTC ()
lint: remove double negation in comment

No functional change.


(rillig)
diff -r1.52 -r1.53 src/usr.bin/xlint/lint1/lex.c

cvs diff -r1.52 -r1.53 src/usr.bin/xlint/lint1/lex.c (expand / switch to unified diff)

--- src/usr.bin/xlint/lint1/lex.c 2021/07/08 02:59:22 1.52
+++ src/usr.bin/xlint/lint1/lex.c 2021/07/08 03:10:39 1.53
@@ -1,14 +1,14 @@ @@ -1,14 +1,14 @@
1/* $NetBSD: lex.c,v 1.52 2021/07/08 02:59:22 rillig Exp $ */ 1/* $NetBSD: lex.c,v 1.53 2021/07/08 03:10:39 rillig Exp $ */
2 2
3/* 3/*
4 * Copyright (c) 1996 Christopher G. Demetriou. All Rights Reserved. 4 * Copyright (c) 1996 Christopher G. Demetriou. All Rights Reserved.
5 * Copyright (c) 1994, 1995 Jochen Pohl 5 * Copyright (c) 1994, 1995 Jochen Pohl
6 * All Rights Reserved. 6 * All Rights Reserved.
7 * 7 *
8 * Redistribution and use in source and binary forms, with or without 8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions 9 * modification, are permitted provided that the following conditions
10 * are met: 10 * are met:
11 * 1. Redistributions of source code must retain the above copyright 11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer. 12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright 13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the 14 * notice, this list of conditions and the following disclaimer in the
@@ -28,27 +28,27 @@ @@ -28,27 +28,27 @@
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */ 33 */
34 34
35#if HAVE_NBTOOL_CONFIG_H 35#if HAVE_NBTOOL_CONFIG_H
36#include "nbtool_config.h" 36#include "nbtool_config.h"
37#endif 37#endif
38 38
39#include <sys/cdefs.h> 39#include <sys/cdefs.h>
40#if defined(__RCSID) && !defined(lint) 40#if defined(__RCSID) && !defined(lint)
41__RCSID("$NetBSD: lex.c,v 1.52 2021/07/08 02:59:22 rillig Exp $"); 41__RCSID("$NetBSD: lex.c,v 1.53 2021/07/08 03:10:39 rillig Exp $");
42#endif 42#endif
43 43
44#include <ctype.h> 44#include <ctype.h>
45#include <errno.h> 45#include <errno.h>
46#include <float.h> 46#include <float.h>
47#include <limits.h> 47#include <limits.h>
48#include <math.h> 48#include <math.h>
49#include <stdlib.h> 49#include <stdlib.h>
50#include <string.h> 50#include <string.h>
51 51
52#include "lint1.h" 52#include "lint1.h"
53#include "cgram.h" 53#include "cgram.h"
54 54
@@ -1371,31 +1371,30 @@ lex_wide_string(void) @@ -1371,31 +1371,30 @@ lex_wide_string(void)
1371 strg->st_len = wlen; 1371 strg->st_len = wlen;
1372 strg->st_wcp = ws; 1372 strg->st_wcp = ws;
1373 1373
1374 yylval.y_string = strg; 1374 yylval.y_string = strg;
1375 return T_STRING; 1375 return T_STRING;
1376} 1376}
1377 1377
1378/* 1378/*
1379 * As noted above the scanner does not create new symbol table entries 1379 * As noted above the scanner does not create new symbol table entries
1380 * for symbols it cannot find in the symbol table. This is to avoid 1380 * for symbols it cannot find in the symbol table. This is to avoid
1381 * putting undeclared symbols into the symbol table if a syntax error 1381 * putting undeclared symbols into the symbol table if a syntax error
1382 * occurs. 1382 * occurs.
1383 * 1383 *
1384 * getsym() is called as soon as it is probably ok to put the symbol to 1384 * getsym() is called as soon as it is probably ok to put the symbol to the
1385 * the symbol table. This does not mean that it is not possible that 1385 * symbol table. It is still possible that symbols are put in the symbol
1386 * symbols are put to the symbol table which are not completely 1386 * table that are not completely declared due to syntax errors. To avoid too
1387 * declared due to syntax errors. To avoid too many problems in this 1387 * many problems in this case, symbols get type int in getsym().
1388 * case, symbols get type int in getsym(). 
1389 * 1388 *
1390 * XXX calls to getsym() should be delayed until decl1*() is called. 1389 * XXX calls to getsym() should be delayed until decl1*() is called.
1391 */ 1390 */
1392sym_t * 1391sym_t *
1393getsym(sbuf_t *sb) 1392getsym(sbuf_t *sb)
1394{ 1393{
1395 dinfo_t *di; 1394 dinfo_t *di;
1396 char *s; 1395 char *s;
1397 sym_t *sym; 1396 sym_t *sym;
1398 1397
1399 sym = sb->sb_sym; 1398 sym = sb->sb_sym;
1400 1399
1401 /* 1400 /*
@@ -1446,28 +1445,28 @@ getsym(sbuf_t *sb) @@ -1446,28 +1445,28 @@ getsym(sbuf_t *sb)
1446 if ((sym->s_link = symtab[sb->sb_hash]) != NULL) 1445 if ((sym->s_link = symtab[sb->sb_hash]) != NULL)
1447 symtab[sb->sb_hash]->s_rlink = &sym->s_link; 1446 symtab[sb->sb_hash]->s_rlink = &sym->s_link;
1448 sym->s_rlink = &symtab[sb->sb_hash]; 1447 sym->s_rlink = &symtab[sb->sb_hash];
1449 symtab[sb->sb_hash] = sym; 1448 symtab[sb->sb_hash] = sym;
1450 1449
1451 *di->d_ldlsym = sym; 1450 *di->d_ldlsym = sym;
1452 di->d_ldlsym = &sym->s_dlnxt; 1451 di->d_ldlsym = &sym->s_dlnxt;
1453 1452
1454 freesb(sb); 1453 freesb(sb);
1455 return sym; 1454 return sym;
1456} 1455}
1457 1456
1458/* 1457/*
1459 * Construct a temporary symbol. The symbol starts with a digit, so that 1458 * Construct a temporary symbol. The symbol name starts with a digit, making
1460 * it is illegal. 1459 * the name illegal.
1461 */ 1460 */
1462sym_t * 1461sym_t *
1463mktempsym(type_t *t) 1462mktempsym(type_t *t)
1464{ 1463{
1465 static int n = 0; 1464 static int n = 0;
1466 int h; 1465 int h;
1467 char *s = getlblk(block_level, 64); 1466 char *s = getlblk(block_level, 64);
1468 sym_t *sym = getblk(sizeof(*sym)); 1467 sym_t *sym = getblk(sizeof(*sym));
1469 scl_t scl; 1468 scl_t scl;
1470 1469
1471 (void)snprintf(s, 64, "%.8d_tmp", n++); 1470 (void)snprintf(s, 64, "%.8d_tmp", n++);
1472 h = hash(s); 1471 h = hash(s);
1473 1472