lchat

commit ddeeb5b062f0e611a54f1a9af28efc641a3d33af
parent dacb5b0a94bc0fed9ffb5a0fd70829ed6e7c2c5b
Author: Jan Klemkow <j.klemkow@wemelug.de>
Date:   Tue, 15 Nov 2016 09:58:17 +0100

add indent filter

Diffstat:
M
Makefile
 | 
3
+++
A
filter/indent.c
 | 
50
++++++++++++++++++++++++++++++++++++++++++++++++++

2 files changed, 53 insertions(+), 0 deletions(-)
diff --git a/Makefile b/Makefile
@@ -24,6 +24,9 @@ lchat.o: lchat.c
 	$(CC) -c $(CFLAGS) -D_BSD_SOURCE -D_XOPEN_SOURCE -D_GNU_SOURCE \
 	    -o $@ lchat.c
 
+filter/indent: filter/indent.c
+	$(CC) $(CFLAGS) -o $@ filter/indent.c
+
 sl_test.o: sl_test.c slackline.h
 	$(CC) $(CFLAGS) -c -o $@ sl_test.c
 
diff --git a/filter/indent.c b/filter/indent.c
@@ -0,0 +1,50 @@
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+int
+main(int argc, char *argv[])
+{
+	char buf[BUFSIZ];
+	char timestr[BUFSIZ];
+	char *fmt = "%H:%m";
+	char *next, *nick, *word;
+	struct tm tm;
+
+	while (fgets(buf, sizeof buf, stdin) != NULL) {
+		next = strptime(buf, "%Y-%m-%d %H:%M ", &tm);
+
+		if (next == NULL || next[0] == '-') {
+			fputs(buf, stdout);
+			continue;
+		}
+
+		nick = strsep(&next, ">");
+		nick++;
+		next++;
+
+		strftime(timestr, sizeof timestr, fmt, &tm);
+
+		/* print prompt */
+		printf("%s %*s", timestr, 12, nick);
+
+		ssize_t pw = 18;
+		ssize_t tw = 104 - pw;
+
+		/* print indented text */
+		while ((word = strsep(&next, " ")) != NULL) {
+			tw -= strlen(word) + 1;
+			if (tw < 0) {
+				fputs("\n                  ", stdout);
+				tw = 80 - pw;
+			}
+
+			fputc(' ', stdout);
+			fputs(word, stdout);
+		}
+	}
+
+	return EXIT_SUCCESS;
+}