xbps/bin/xbps-install/util.c

72 lines
2.0 KiB
C

/*-
* Copyright (c) 2008-2012 Juan Romero Pardines.
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <errno.h>
#include <fnmatch.h>
#include <string.h>
#include <strings.h>
#include <sys/ioctl.h>
#include <xbps_api.h>
#include "defs.h"
int
get_maxcols(void)
{
struct winsize ws;
if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) == 0)
return ws.ws_col;
return 80;
}
void
print_package_line(const char *str, int maxcols, bool reset)
{
static int cols;
static bool first;
if (reset) {
cols = 0;
first = false;
return;
}
cols += strlen(str) + 4;
if (cols <= maxcols) {
if (first == false) {
printf(" ");
first = true;
}
} else {
printf("\n ");
cols = strlen(str) + 4;
}
printf("%s ", str);
}