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Use err(3), add usage(), silent -Wall.
This commit is contained in:
Philippe Charnier
parent
3974610c18
commit
2487a449d3
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=27648
@ -38,7 +38,7 @@
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.Nm mkstr
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.Nd create an error message file by massaging C source
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.Sh SYNOPSIS
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.Nm mkstr
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.Nm
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.Op Fl
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.Ar messagefile
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.Ar prefix file ...
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@ -48,7 +48,7 @@ creates files containing error messages extracted from C source,
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and restructures the same C source, to utilize the created error message
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file.
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The intent of
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.Nm mkstr
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.Nm
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was to reduce the size of large programs and
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reduce swapping (see
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.Sx BUGS
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@ -62,7 +62,7 @@ consists of the specified
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.Ar prefix
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and the original name.
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A typical usage of
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.Nm mkstr
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.Nm
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is
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.Bd -literal -offset indent
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mkstr pistrings xx *.c
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@ -80,12 +80,12 @@ Options:
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.It Fl
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Error messages are placed at the end of the specified
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message file for recompiling part of a large
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.Nm mkstr
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.Nm
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ed
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program.
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.El
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.Pp
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.Nm mkstr
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.Nm
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finds error messages in the source by
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searching for the string
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.Li \&`error("'
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@ -126,7 +126,7 @@ oops:
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appeared in
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.Bx 3.0 .
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.Sh BUGS
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.Nm mkstr
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.Nm
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was intended for the limited architecture of the PDP 11 family.
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Very few programs actually use it. The Pascal interpreter,
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.Xr \&pi 1
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@ -32,21 +32,25 @@
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*/
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#ifndef lint
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static char copyright[] =
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static const char copyright[] =
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"@(#) Copyright (c) 1980, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)mkstr.c 8.1 (Berkeley) 6/6/93";
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#endif
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static const char rcsid[] =
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"$Id$";
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#endif /* not lint */
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define ungetchar(c) ungetc(c, stdin)
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long ftell();
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char *calloc();
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/*
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* mkstr - create a string error message file by massaging C source
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*
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@ -73,29 +77,36 @@ char *calloc();
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* existing error message file for recompilation of single routines.
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*/
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FILE *mesgread, *mesgwrite;
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char *progname;
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char usagestr[] = "usage: %s [ - ] mesgfile prefix file ...\n";
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char name[100], *np;
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void copystr __P((void));
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int fgetNUL __P((char *, int, FILE *));
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unsigned hashit __P((char *, char, unsigned));
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void inithash __P((void));
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int match __P((char *));
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int octdigit __P((char));
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void process __P((void));
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static void usage __P((void));
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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char addon = 0;
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argc--, progname = *argv++;
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argc--, argv++;
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if (argc > 1 && argv[0][0] == '-')
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addon++, argc--, argv++;
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if (argc < 3)
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fprintf(stderr, usagestr, progname), exit(1);
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usage();
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mesgwrite = fopen(argv[0], addon ? "a" : "w");
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if (mesgwrite == NULL)
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perror(argv[0]), exit(1);
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err(1, "%s", argv[0]);
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mesgread = fopen(argv[0], "r");
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if (mesgread == NULL)
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perror(argv[0]), exit(1);
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err(1, "%s", argv[0]);
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inithash();
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argc--, argv++;
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strcpy(name, argv[0]);
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@ -104,18 +115,25 @@ main(argc, argv)
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do {
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strcpy(np, argv[0]);
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if (freopen(name, "w", stdout) == NULL)
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perror(name), exit(1);
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err(1, "%s", name);
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if (freopen(argv[0], "r", stdin) == NULL)
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perror(argv[0]), exit(1);
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err(1, "%s", argv[0]);
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process();
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argc--, argv++;
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} while (argc > 0);
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exit(0);
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}
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static void
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usage()
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{
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fprintf(stderr, "usage: mkstr [ - ] mesgfile prefix file ...\n");
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exit(1);
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}
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void
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process()
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{
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register char *cp;
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register c;
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for (;;) {
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@ -137,6 +155,7 @@ process()
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}
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}
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int
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match(ocp)
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char *ocp;
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{
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@ -155,6 +174,7 @@ match(ocp)
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return (1);
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}
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void
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copystr()
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{
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register c, ch;
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@ -218,6 +238,7 @@ copystr()
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printf("%d", hashit(buf, 1, NULL));
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}
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int
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octdigit(c)
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char c;
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{
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@ -225,13 +246,14 @@ octdigit(c)
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return (c >= '0' && c <= '7');
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}
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void
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inithash()
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{
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char buf[512];
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int mesgpt = 0;
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rewind(mesgread);
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while (fgetNUL(buf, sizeof buf, mesgread) != NULL) {
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while (fgetNUL(buf, sizeof buf, mesgread) != 0) {
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hashit(buf, 0, mesgpt);
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mesgpt += strlen(buf) + 2;
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}
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@ -245,6 +267,7 @@ struct hash {
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struct hash *hnext;
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} *bucket[NBUCKETS];
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unsigned
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hashit(str, really, fakept)
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char *str;
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char really;
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@ -294,6 +317,7 @@ hashit(str, really, fakept)
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#include <sys/types.h>
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#include <sys/stat.h>
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int
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fgetNUL(obuf, rmdr, file)
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char *obuf;
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register int rmdr;
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@ -306,5 +330,5 @@ fgetNUL(obuf, rmdr, file)
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*buf++ = c;
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*buf++ = 0;
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getc(file);
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return ((feof(file) || ferror(file)) ? NULL : 1);
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return ((feof(file) || ferror(file)) ? 0 : 1);
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}
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