diff options
| -rw-r--r-- | coreutils/fold.c | 54 |
1 files changed, 14 insertions, 40 deletions
diff --git a/coreutils/fold.c b/coreutils/fold.c index 68f24e6..31412da 100644 --- a/coreutils/fold.c +++ b/coreutils/fold.c @@ -6,19 +6,7 @@ Modified for busybox based on coreutils v 5.0 Copyright (C) 2003 Glenn McGrath <bug1@iinet.net.au> - 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, 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. + Licensed under the GPL v2 or later, see the file LICENSE in this tarball. */ #include <ctype.h> @@ -26,13 +14,15 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> -#include <getopt.h> #include <sys/types.h> - +#include <unistd.h> #include "busybox.h" /* If nonzero, count bytes, not column positions. */ -static int count_bytes; +static unsigned long flags; +#define FLAG_COUNT_BYTES 1 +#define FLAG_BREAK_SPACES 2 +#define FLAG_WIDTH 4 /* Assuming the current column is COLUMN, return the column that printing C will move the cursor to. @@ -40,7 +30,7 @@ static int count_bytes; static int adjust_column(int column, char c) { - if (!count_bytes) { + if (!(flags & FLAG_COUNT_BYTES)) { if (c == '\b') { if (column > 0) column--; @@ -57,18 +47,14 @@ static int adjust_column(int column, char c) extern int fold_main(int argc, char **argv) { - /* If nonzero, try to break on whitespace. */ - int break_spaces; - /* If nonzero, at least one of the files we read was standard input. */ - int have_read_stdin; + int have_read_stdin = 0; int width = 80; int i; - int optc; int errs = 0; - break_spaces = count_bytes = have_read_stdin = 0; + have_read_stdin = 0; /* Turn any numeric options into -w options. */ for (i = 1; i < argc; i++) { @@ -88,22 +74,10 @@ extern int fold_main(int argc, char **argv) } } - while ((optc = getopt(argc, argv, "bsw:")) > 0) { - switch (optc) { - case 'b': /* Count bytes rather than columns. */ - count_bytes = 1; - break; - case 's': /* Break at word boundaries. */ - break_spaces = 1; - break; - case 'w': { /* Line width. */ - width = bb_xgetlarg(optarg, 10, 1, 10000); - break; - } - default: - bb_show_usage(); - } - } + char *w_opt; + flags = bb_getopt_ulflags(argc, argv, "bsw:", &w_opt); + if (flags & 4) + width = bb_xgetlarg(w_opt, 10, 1, 10000); argv += optind; if (!*argv) { @@ -139,7 +113,7 @@ rescan: /* This character would make the line too long. Print the line plus a newline, and make this character start the next line. */ - if (break_spaces) { + if (flags & FLAG_BREAK_SPACES) { /* Look for the last blank. */ int logical_end; |