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/*
* output.c
*
* Copyright (c) 2002-2007 by Judd Vinet <jvinet@zeroflux.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <ctype.h>
#include <time.h>
#include <alpm.h>
/* pacman */
#include "output.h"
#include "conf.h"
#include "util.h"
#define LOG_STR_LEN 256
extern config_t *config;
static int neednl = 0; /* for cleaner message output */
static int needpad = 0; /* pad blanks to terminal width */
/* Wrapper to fprintf() that allows to choose if we want the output
* to be appended on the current line, or written to a new one
*/
void pm_fprintf(FILE *file, unsigned short line, char *fmt, ...)
{
va_list args;
char str[LOG_STR_LEN];
int len = 0;
if(neednl == 1 && line == NL) {
fprintf(file, "\n");
neednl = 0;
}
if(!fmt) {
return;
}
va_start(args, fmt);
vsnprintf(str, LOG_STR_LEN, fmt, args);
va_end(args);
len = strlen(str);
if(needpad == 1 && str[len-1] == '\n') {
/* we want this removed so we can pad */
str[len-1] = ' ';
neednl = 1;
}
fprintf(file, str);
if(needpad == 1) {
int i, cols = getcols();
for(i=len; i < cols; ++i) {
fprintf(file, " ");
}
if(neednl == 1 && line == NL) {
fprintf(file, "\n");
neednl = 0;
}
}
fflush(file);
neednl = (str[strlen(str)-1] == '\n') ? 0 : 1;
}
/* presents a prompt and gets a Y/N answer */
/* TODO there must be a better way */
int yesno(char *fmt, ...)
{
char str[LOG_STR_LEN];
char response[32];
va_list args;
if(config->noconfirm) {
return(1);
}
va_start(args, fmt);
vsnprintf(str, LOG_STR_LEN, fmt, args);
va_end(args);
/* Use stderr so questions are always displayed when redirecting output */
pm_fprintf(stderr, NL, str); \
if(fgets(response, 32, stdin)) {
if(strlen(response) != 0) {
strtrim(response);
}
/* User hits 'enter', forcing a newline here */
neednl = 0;
if(!strcasecmp(response, _("Y")) || !strcasecmp(response, _("YES")) || strlen(response) == 0) {
return(1);
}
}
return(0);
}
/* vim: set ts=2 sw=2 noet: */
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