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this is my work in progress.
This commit is contained in:
John Beppu
parent
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127
coreutils/sort.c
Normal file
127
coreutils/sort.c
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/*
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* Mini find implementation for busybox
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*
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*
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* Copyright (C) 1999 by Lineo, inc.
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* Written by John Beppu <beppu@lineo.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "internal.h"
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#include <sys/types.h>
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#include <fcntl.h>
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#include <dirent.h>
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#include <stdio.h>
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#include <errno.h>
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static const char sort_usage[] =
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"Usage: sort [OPTION]... [FILE]...\n\n"
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;
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/* line node */
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typedef struct {
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char *data; /* line data */
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struct Line *next; /* pointer to next line node */
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} Line;
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/* singly-linked list of lines */
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typedef struct {
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int len; /* number of Lines */
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Line *line; /* array fed to qsort */
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Line *head; /* head of List */
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} List;
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/* Line methods */
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static const int max = 1024;
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static Line *
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line_new()
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{
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char buffer[max];
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}
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/* Comparison */
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static int
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compare_ascii(const void *, const void *);
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static int
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compare_numeric(const void *, const void *);
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/* List */
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static void
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list_insert();
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static void
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list_sort();
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static void
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list_print();
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/*
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* I need a list
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* to insert lines into
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* then I need to sort this list
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* and finally print it
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*/
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int
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sort_main(int argc, char **argv)
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{
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int i;
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char opt;
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/* default behaviour */
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/* parse argv[] */
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for (i = 1; i < argc; i++) {
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if (argv[i][0] == '-') {
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opt = argv[i][1];
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switch (opt) {
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case 'h':
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usage(sort_usage);
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break;
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default:
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fprintf(stderr, "sort: invalid option -- %c\n", opt);
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usage(sort_usage);
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}
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} else {
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break;
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}
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}
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/* go through remaining args (if any) */
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if (i >= argc) {
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} else {
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for ( ; i < argc; i++) {
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}
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}
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exit(0);
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}
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/* $Date: 1999/12/21 20:00:35 $ */
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/* $Id: sort.c,v 1.1 1999/12/21 20:00:35 beppu Exp $ */
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127
sort.c
Normal file
127
sort.c
Normal file
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@ -0,0 +1,127 @@
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/*
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* Mini find implementation for busybox
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*
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*
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* Copyright (C) 1999 by Lineo, inc.
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* Written by John Beppu <beppu@lineo.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "internal.h"
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#include <sys/types.h>
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#include <fcntl.h>
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#include <dirent.h>
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#include <stdio.h>
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#include <errno.h>
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static const char sort_usage[] =
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"Usage: sort [OPTION]... [FILE]...\n\n"
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;
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/* line node */
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typedef struct {
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char *data; /* line data */
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struct Line *next; /* pointer to next line node */
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} Line;
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/* singly-linked list of lines */
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typedef struct {
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int len; /* number of Lines */
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Line *line; /* array fed to qsort */
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Line *head; /* head of List */
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} List;
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/* Line methods */
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static const int max = 1024;
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static Line *
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line_new()
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{
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char buffer[max];
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}
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/* Comparison */
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static int
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compare_ascii(const void *, const void *);
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static int
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compare_numeric(const void *, const void *);
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/* List */
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static void
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list_insert();
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static void
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list_sort();
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static void
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list_print();
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/*
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* I need a list
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* to insert lines into
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* then I need to sort this list
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* and finally print it
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*/
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int
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sort_main(int argc, char **argv)
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{
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int i;
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char opt;
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/* default behaviour */
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/* parse argv[] */
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for (i = 1; i < argc; i++) {
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if (argv[i][0] == '-') {
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opt = argv[i][1];
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switch (opt) {
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case 'h':
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usage(sort_usage);
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break;
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default:
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fprintf(stderr, "sort: invalid option -- %c\n", opt);
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usage(sort_usage);
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}
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} else {
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break;
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}
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}
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/* go through remaining args (if any) */
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if (i >= argc) {
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} else {
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for ( ; i < argc; i++) {
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}
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}
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exit(0);
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}
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/* $Date: 1999/12/21 20:00:35 $ */
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/* $Id: sort.c,v 1.1 1999/12/21 20:00:35 beppu Exp $ */
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