initial import of NetBSD tree

1 files changed, 252 insertions, 0 deletions

diff --git a/usr.bin/paste/paste.c b/usr.bin/paste/paste.c
new file mode 100644
index 00000000000..ce4182da8a2
--- /dev/null
+++ b/usr.bin/paste/paste.c
@@ -0,0 +1,252 @@
+/*
+ * Copyright (c) 1989 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Adam S. Moskowitz of Menlo Consulting.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+char copyright[] =
+"@(#) Copyright (c) 1989 The Regents of the University of California.\n\
+ All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+/*static char sccsid[] = "from: @(#)paste.c	5.7 (Berkeley) 10/30/90";*/
+static char rcsid[] = "$Id: paste.c,v 1.1 1995/10/18 08:45:54 deraadt Exp $";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <string.h>
+
+char *delim;
+int delimcnt;
+
+main(argc, argv)
+	int argc;
+	char **argv;
+{
+	extern char *optarg;
+	extern int optind;
+	int ch, seq;
+
+	seq = 0;
+	while ((ch = getopt(argc, argv, "d:s")) != EOF)
+		switch(ch) {
+		case 'd':
+			delimcnt = tr(delim = optarg);
+			break;
+		case 's':
+			seq = 1;
+			break;
+		case '?':
+		default:
+			usage();
+		}
+	argc -= optind;
+	argv += optind;
+
+	if (!delim) {
+		delimcnt = 1;
+		delim = "\t";
+	}
+
+	if (seq)
+		sequential(argv);
+	else
+		parallel(argv);
+	exit(0);
+}
+
+typedef struct _list {
+	struct _list *next;
+	FILE *fp;
+	int cnt;
+	char *name;
+} LIST;
+
+parallel(argv)
+	char **argv;
+{
+	register LIST *lp;
+	register int cnt;
+	register char ch, *p;
+	LIST *head, *tmp;
+	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);
+		}
+		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);
+		}
+		lp->next = NULL;
+		lp->cnt = cnt;
+		lp->name = p;
+		if (!head)
+			head = tmp = lp;
+		else {
+			tmp->next = lp;
+			tmp = lp;
+		}
+	}
+
+	for (opencnt = cnt; opencnt;) {
+		for (output = 0, lp = head; lp; lp = lp->next) {
+			if (!lp->fp) {
+				if (output && lp->cnt &&
+				    (ch = delim[(lp->cnt - 1) % delimcnt]))
+					putchar(ch);
+				continue;
+			}
+			if (!fgets(buf, sizeof(buf), lp->fp)) {
+				if (!--opencnt)
+					break;
+				lp->fp = NULL;
+				if (output && lp->cnt &&
+				    (ch = delim[(lp->cnt - 1) % delimcnt]))
+					putchar(ch);
+				continue;
+			}
+			if (!(p = index(buf, '\n'))) {
+				(void)fprintf(stderr,
+				    "paste: %s: input line too long.\n",
+				    lp->name);
+				exit(1);
+			}
+			*p = '\0';
+			/*
+			 * make sure that we don't print any delimiters
+			 * unless there's a non-empty file.
+			 */
+			if (!output) {
+				output = 1;
+				for (cnt = 0; cnt < lp->cnt; ++cnt)
+					if (ch = delim[cnt % delimcnt])
+						putchar(ch);
+			} else if (ch = delim[(lp->cnt - 1) % delimcnt])
+				putchar(ch);
+			(void)printf("%s", buf);
+		}
+		if (output)
+			putchar('\n');
+	}
+}
+
+sequential(argv)
+	char **argv;
+{
+	register FILE *fp;
+	register int cnt;
+	register char ch, *p, *dp;
+	char buf[_POSIX2_LINE_MAX + 1];
+
+	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));
+			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);
+				}
+				*p = '\0';
+				(void)printf("%s", buf);
+				if (!fgets(buf, sizeof(buf), fp))
+					break;
+				if (ch = *dp++)
+					putchar(ch);
+				if (++cnt == delimcnt) {
+					dp = delim;
+					cnt = 0;
+				}
+			}
+			putchar('\n');
+		}
+		if (fp != stdin)
+			(void)fclose(fp);
+	}
+}
+
+tr(arg)
+	char *arg;
+{
+	register int cnt;
+	register char ch, *p;
+
+	for (p = arg, cnt = 0; (ch = *p++); ++arg, ++cnt)
+		if (ch == '\\')
+			switch(ch = *p++) {
+			case 'n':
+				*arg = '\n';
+				break;
+			case 't':
+				*arg = '\t';
+				break;
+			case '0':
+				*arg = '\0';
+				break;
+			default:
+				*arg = ch;
+				break;
+		} else
+			*arg = ch;
+
+	if (!cnt) {
+		(void)fprintf(stderr, "paste: no delimiters specified.\n");
+		exit(1);
+	}
+	return(cnt);
+}
+
+usage()
+{
+	(void)fprintf(stderr, "paste: [-s] [-d delimiters] file ...\n");
+	exit(1);
+}