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Diffstat (limited to 'src/pacman/output.c')
-rw-r--r-- | src/pacman/output.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/pacman/output.c b/src/pacman/output.c new file mode 100644 index 00000000..23b03373 --- /dev/null +++ b/src/pacman/output.c @@ -0,0 +1,131 @@ +/* + * 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 */ + +/* simple helper for needpad */ +void set_output_padding(int on) +{ + needpad = on; +} + +/* 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: */ |