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https://github.com/topjohnwu/ndk-busybox.git
synced 2024-11-27 13:40:22 +00:00
Converted option parsing to using getopt(). Also managed to remove an
extraneous logic loop that existed only for the purpose of the special case of only one file. I replaced it with a variable to keep track of the number of files read.
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@ -22,6 +22,7 @@
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#include "internal.h"
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#include <stdio.h>
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#include <getopt.h>
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static int total_lines, total_words, total_chars, max_length;
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static int print_lines, print_words, print_chars, print_length;
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@ -103,13 +104,14 @@ static void wc_file(FILE * file, const char *name)
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int wc_main(int argc, char **argv)
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{
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FILE *file;
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unsigned int num_files_counted = 0;
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int opt;
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total_lines = total_words = total_chars = max_length = 0;
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print_lines = print_words = print_chars = print_length = 0;
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while (--argc && **(++argv) == '-') {
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while (*++(*argv))
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switch (**argv) {
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while ((opt = getopt(argc, argv, "clLw")) > 0) {
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switch (opt) {
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case 'c':
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print_chars = 1;
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break;
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@ -130,26 +132,24 @@ int wc_main(int argc, char **argv)
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if (!print_lines && !print_words && !print_chars && !print_length)
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print_lines = print_words = print_chars = 1;
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if (argc == 0) {
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if (argv[optind] == NULL || strcmp(argv[optind], "-") == 0) {
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wc_file(stdin, "");
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exit(TRUE);
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} else if (argc == 1) {
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file = fopen(*argv, "r");
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if (file == NULL) {
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fatalError(*argv);
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}
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wc_file(file, *argv);
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} else {
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while (argc-- > 0) {
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file = fopen(*argv, "r");
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while (optind < argc) {
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file = fopen(argv[optind], "r");
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if (file == NULL) {
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fatalError(*argv);
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fatalError(argv[optind]);
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}
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wc_file(file, *argv);
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argv++;
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wc_file(file, argv[optind]);
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num_files_counted++;
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optind++;
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}
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}
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if (num_files_counted > 1)
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print_counts(total_lines, total_words, total_chars,
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max_length, "total");
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}
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return(TRUE);
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return 0 ;
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}
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34
wc.c
34
wc.c
@ -22,6 +22,7 @@
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#include "internal.h"
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#include <stdio.h>
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#include <getopt.h>
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static int total_lines, total_words, total_chars, max_length;
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static int print_lines, print_words, print_chars, print_length;
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@ -103,13 +104,14 @@ static void wc_file(FILE * file, const char *name)
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int wc_main(int argc, char **argv)
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{
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FILE *file;
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unsigned int num_files_counted = 0;
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int opt;
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total_lines = total_words = total_chars = max_length = 0;
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print_lines = print_words = print_chars = print_length = 0;
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while (--argc && **(++argv) == '-') {
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while (*++(*argv))
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switch (**argv) {
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while ((opt = getopt(argc, argv, "clLw")) > 0) {
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switch (opt) {
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case 'c':
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print_chars = 1;
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break;
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@ -130,26 +132,24 @@ int wc_main(int argc, char **argv)
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if (!print_lines && !print_words && !print_chars && !print_length)
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print_lines = print_words = print_chars = 1;
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if (argc == 0) {
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if (argv[optind] == NULL || strcmp(argv[optind], "-") == 0) {
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wc_file(stdin, "");
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exit(TRUE);
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} else if (argc == 1) {
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file = fopen(*argv, "r");
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if (file == NULL) {
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fatalError(*argv);
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}
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wc_file(file, *argv);
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} else {
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while (argc-- > 0) {
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file = fopen(*argv, "r");
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while (optind < argc) {
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file = fopen(argv[optind], "r");
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if (file == NULL) {
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fatalError(*argv);
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fatalError(argv[optind]);
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}
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wc_file(file, *argv);
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argv++;
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wc_file(file, argv[optind]);
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num_files_counted++;
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optind++;
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}
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}
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if (num_files_counted > 1)
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print_counts(total_lines, total_words, total_chars,
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max_length, "total");
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}
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return(TRUE);
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return 0 ;
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}
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