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Use err(3). Add prototypes. Silent -Wall.

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This commit is contained in:
Philippe Charnier 1997-07-31 06:59:26 +00:00
parent 7e19b1ec24
commit 1e133604e1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=27787
2 changed files with 39 additions and 41 deletions
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10
usr.bin/paste/paste.1
View file

@ -42,13 +42,13 @@
.Nm paste
.Nd merge corresponding or subsequent lines of files
.Sh SYNOPSIS
.Nm paste
.Nm
.Op Fl s
.Op Fl d Ar list
.Ar file ...
.Sh DESCRIPTION
The
.Nm paste
.Nm
utility concatenates the corresponding lines of the given input files,
replacing all but the last file's newline characters with a single tab
character, and writes the resulting lines to standard output.
@ -71,7 +71,7 @@ is reused.
This continues until a line from the last input file (in default operation)
or the last line in each file (using the -s option) is displayed, at which
time
.Nm paste
.Nm
begins selecting characters from the beginning of
.Ar list
again.
@ -107,13 +107,13 @@ for each instance of
.Ql Fl .
.Pp
The
.Nm paste
.Nm
utility exits 0 on success, and >0 if an error occurs.
.Sh SEE ALSO
.Xr cut 1
.Sh STANDARDS
The
.Nm paste
.Nm
utility is expected to be
.St -p1003.2
compatible.

70
usr.bin/paste/paste.c
View file

@ -35,30 +35,40 @@
*/
#ifndef lint
static char copyright[] =
static const char copyright[] =
"@(#) Copyright (c) 1989, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)paste.c 8.1 (Berkeley) 6/6/93";
#endif
static const char rcsid[] =
"$Id$";
#endif /* not lint */
#include <sys/types.h>
#include <err.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
char *delim;
int delimcnt;
void parallel __P((char **));
void sequential __P((char **));
int tr __P((char *));
static void usage __P((void));
int
main(argc, argv)
int argc;
char **argv;
{
extern char *optarg;
extern int optind;
int ch, seq;
seq = 0;
@ -96,6 +106,7 @@ typedef struct _list {
char *name;
} LIST;
void
parallel(argv)
char **argv;
{
@ -106,18 +117,13 @@ parallel(argv)
int opencnt, output;
char buf[_POSIX2_LINE_MAX + 1], *malloc();
for (cnt = 0, head = NULL; p = *argv; ++argv, ++cnt) {
if (!(lp = (LIST *)malloc((u_int)sizeof(LIST)))) {
(void)fprintf(stderr, "paste: %s.\n", strerror(ENOMEM));
exit(1);
}
for (cnt = 0, head = NULL; (p = *argv); ++argv, ++cnt) {
if (!(lp = (LIST *)malloc((u_int)sizeof(LIST))))
errx(1, "%s", strerror(ENOMEM));
if (p[0] == '-' && !p[1])
lp->fp = stdin;
else if (!(lp->fp = fopen(p, "r"))) {
(void)fprintf(stderr, "paste: %s: %s.\n", p,
strerror(errno));
exit(1);
}
else if (!(lp->fp = fopen(p, "r")))
err(1, "%s", p);
lp->next = NULL;
lp->cnt = cnt;
lp->name = p;
@ -146,12 +152,8 @@ parallel(argv)
putchar(ch);
continue;
}
if (!(p = index(buf, '\n'))) {
(void)fprintf(stderr,
"paste: %s: input line too long.\n",
lp->name);
exit(1);
}
if (!(p = index(buf, '\n')))
errx(1, "%s: input line too long", lp->name);
*p = '\0';
/*
* make sure that we don't print any delimiters
@ -160,9 +162,9 @@ parallel(argv)
if (!output) {
output = 1;
for (cnt = 0; cnt < lp->cnt; ++cnt)
if (ch = delim[cnt % delimcnt])
if ((ch = delim[cnt % delimcnt]))
putchar(ch);
} else if (ch = delim[(lp->cnt - 1) % delimcnt])
} else if ((ch = delim[(lp->cnt - 1) % delimcnt]))
putchar(ch);
(void)printf("%s", buf);
}
@ -171,6 +173,7 @@ parallel(argv)
}
}
void
sequential(argv)
char **argv;
{
@ -179,27 +182,22 @@ sequential(argv)
register char ch, *p, *dp;
char buf[_POSIX2_LINE_MAX + 1];
for (; p = *argv; ++argv) {
for (; (p = *argv); ++argv) {
if (p[0] == '-' && !p[1])
fp = stdin;
else if (!(fp = fopen(p, "r"))) {
(void)fprintf(stderr, "paste: %s: %s.\n", p,
strerror(errno));
warn("%s", p);
continue;
}
if (fgets(buf, sizeof(buf), fp)) {
for (cnt = 0, dp = delim;;) {
if (!(p = index(buf, '\n'))) {
(void)fprintf(stderr,
"paste: %s: input line too long.\n",
*argv);
exit(1);
}
if (!(p = index(buf, '\n')))
errx(1, "%s: input line too long", *argv);
*p = '\0';
(void)printf("%s", buf);
if (!fgets(buf, sizeof(buf), fp))
break;
if (ch = *dp++)
if ((ch = *dp++))
putchar(ch);
if (++cnt == delimcnt) {
dp = delim;
@ -213,6 +211,7 @@ sequential(argv)
}
}
int
tr(arg)
char *arg;
{
@ -237,15 +236,14 @@ tr(arg)
} else
*arg = ch;
if (!cnt) {
(void)fprintf(stderr, "paste: no delimiters specified.\n");
exit(1);
}
if (!cnt)
errx(1, "no delimiters specified");
return(cnt);
}
static void
usage()
{
(void)fprintf(stderr, "paste: [-s] [-d delimiters] file ...\n");
(void)fprintf(stderr, "usage: paste [-s] [-d delimiters] file ...\n");
exit(1);
}