dovecot-2.0: doveadm: Use actual terminal width for table format...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.0/rev/2f3ce92f53ff
changeset: 11534:2f3ce92f53ff
user:      Timo Sirainen <tss at iki.fi>
date:      Sat Jun 12 01:54:53 2010 +0100
description:
doveadm: Use actual terminal width for table formatter if possible.

diffstat:

 src/doveadm/doveadm-print-table.c |  9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diffs (35 lines):

diff -r f35949b56863 -r 2f3ce92f53ff src/doveadm/doveadm-print-table.c
--- a/src/doveadm/doveadm-print-table.c	Sat Jun 12 01:49:06 2010 +0100
+++ b/src/doveadm/doveadm-print-table.c	Sat Jun 12 01:54:53 2010 +0100
@@ -5,8 +5,11 @@
 #include "doveadm-print-private.h"
 
 #include <stdio.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
 
 #define DEFAULT_COLUMNS 80
+#define MIN_COLUMNS 30
 #define MAX_BUFFER_LINES 100
 
 struct doveadm_print_table_header {
@@ -164,6 +167,7 @@
 static void doveadm_print_table_init(void)
 {
 	pool_t pool;
+	struct ttysize ts;
 
 	pool = pool_alloconly_create("doveadm print table", 1024);
 	ctx = p_new(pool, struct doveadm_print_table_context, 1);
@@ -171,6 +175,11 @@
 	p_array_init(&ctx->headers, pool, 16);
 	i_array_init(&ctx->buffered_values, 64);
 	ctx->columns = DEFAULT_COLUMNS;
+
+	if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ts) == 0) {
+		ctx->columns = ts.ts_cols < MIN_COLUMNS ?
+			MIN_COLUMNS : ts.ts_cols;
+	}
 }
 
 static void doveadm_print_table_deinit(void)