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| -rw-r--r-- | coreutils/sort.c | 127 | ||||
| -rw-r--r-- | sort.c | 127 |
2 files changed, 254 insertions, 0 deletions
diff --git a/coreutils/sort.c b/coreutils/sort.c new file mode 100644 index 000000000..4ab673b4d --- /dev/null +++ b/coreutils/sort.c @@ -0,0 +1,127 @@ +/* + * Mini find implementation for busybox + * + * + * Copyright (C) 1999 by Lineo, inc. + * Written by John Beppu <beppu@lineo.com> + * + * 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 "internal.h" +#include <sys/types.h> +#include <fcntl.h> +#include <dirent.h> +#include <stdio.h> +#include <errno.h> + +static const char sort_usage[] = +"Usage: sort [OPTION]... [FILE]...\n\n" +; + + +/* line node */ +typedef struct { + char *data; /* line data */ + struct Line *next; /* pointer to next line node */ +} Line; + +/* singly-linked list of lines */ +typedef struct { + int len; /* number of Lines */ + Line *line; /* array fed to qsort */ + Line *head; /* head of List */ +} List; + + +/* Line methods */ + +static const int max = 1024; + +static Line * +line_new() +{ + char buffer[max]; +} + + +/* Comparison */ + +static int +compare_ascii(const void *, const void *); + +static int +compare_numeric(const void *, const void *); + + +/* List */ + +static void +list_insert(); + +static void +list_sort(); + +static void +list_print(); + + + +/* + * I need a list + * to insert lines into + * then I need to sort this list + * and finally print it + */ + +int +sort_main(int argc, char **argv) +{ + int i; + char opt; + + /* default behaviour */ + + /* parse argv[] */ + for (i = 1; i < argc; i++) { + if (argv[i][0] == '-') { + opt = argv[i][1]; + switch (opt) { + case 'h': + usage(sort_usage); + break; + default: + fprintf(stderr, "sort: invalid option -- %c\n", opt); + usage(sort_usage); + } + } else { + break; + } + } + + /* go through remaining args (if any) */ + if (i >= argc) { + + } else { + for ( ; i < argc; i++) { + } + } + + exit(0); +} + +/* $Date: 1999/12/21 20:00:35 $ */ +/* $Id: sort.c,v 1.1 1999/12/21 20:00:35 beppu Exp $ */ @@ -0,0 +1,127 @@ +/* + * Mini find implementation for busybox + * + * + * Copyright (C) 1999 by Lineo, inc. + * Written by John Beppu <beppu@lineo.com> + * + * 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 "internal.h" +#include <sys/types.h> +#include <fcntl.h> +#include <dirent.h> +#include <stdio.h> +#include <errno.h> + +static const char sort_usage[] = +"Usage: sort [OPTION]... [FILE]...\n\n" +; + + +/* line node */ +typedef struct { + char *data; /* line data */ + struct Line *next; /* pointer to next line node */ +} Line; + +/* singly-linked list of lines */ +typedef struct { + int len; /* number of Lines */ + Line *line; /* array fed to qsort */ + Line *head; /* head of List */ +} List; + + +/* Line methods */ + +static const int max = 1024; + +static Line * +line_new() +{ + char buffer[max]; +} + + +/* Comparison */ + +static int +compare_ascii(const void *, const void *); + +static int +compare_numeric(const void *, const void *); + + +/* List */ + +static void +list_insert(); + +static void +list_sort(); + +static void +list_print(); + + + +/* + * I need a list + * to insert lines into + * then I need to sort this list + * and finally print it + */ + +int +sort_main(int argc, char **argv) +{ + int i; + char opt; + + /* default behaviour */ + + /* parse argv[] */ + for (i = 1; i < argc; i++) { + if (argv[i][0] == '-') { + opt = argv[i][1]; + switch (opt) { + case 'h': + usage(sort_usage); + break; + default: + fprintf(stderr, "sort: invalid option -- %c\n", opt); + usage(sort_usage); + } + } else { + break; + } + } + + /* go through remaining args (if any) */ + if (i >= argc) { + + } else { + for ( ; i < argc; i++) { + } + } + + exit(0); +} + +/* $Date: 1999/12/21 20:00:35 $ */ +/* $Id: sort.c,v 1.1 1999/12/21 20:00:35 beppu Exp $ */ |