X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=wc.c;h=695e7e7d4e4b765b1954d5ecb5d9ea11f1128a10;hb=4391a16c92cef744fc715cb7347b7b71fc8f312e;hp=030afa9d60c92b8ab537ba71efd8770ba6061886;hpb=e5b6c7dd9cb32852a7f5b19a9855cf3c32543396;p=oweals%2Fbusybox.git

diff --git a/wc.c b/wc.c
index 030afa9d6..695e7e7d4 100644
--- a/wc.c
+++ b/wc.c
@@ -2,7 +2,7 @@
 /*
  * Mini wc implementation for busybox
  *
- * by Edward Betts <edward@debian.org>
+ * Copyright (C) 2000  Edward Betts <edward@debian.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
@@ -20,24 +20,17 @@
  *
  */
 
-#include "internal.h"
 #include <stdio.h>
-
-static const char wc_usage[] = "wc [OPTION]... [FILE]...\n\n"
-	"Print line, word, and byte counts for each FILE, and a total line if\n"
-	"more than one FILE is specified.  With no FILE, read standard input.\n\n"
-	"Options:\n"
-	"\t-c\tprint the byte counts\n"
-	"\t-l\tprint the newline counts\n"
-
-	"\t-L\tprint the length of the longest line\n"
-	"\t-w\tprint the word counts\n";
+#include <getopt.h>
+#include <string.h>
+#include <stdlib.h>
+#include "busybox.h"
 
 static int total_lines, total_words, total_chars, max_length;
 static int print_lines, print_words, print_chars, print_length;
 
-void print_counts(int lines, int words, int chars, int length,
-				  const char *name)
+static void print_counts(int lines, int words, int chars, int length,
+				  		 const char *name)
 {
 	char const *space = "";
 
@@ -113,13 +106,14 @@ static void wc_file(FILE * file, const char *name)
 int wc_main(int argc, char **argv)
 {
 	FILE *file;
+	unsigned int num_files_counted = 0;
+	int opt, status = EXIT_SUCCESS;
 
 	total_lines = total_words = total_chars = max_length = 0;
 	print_lines = print_words = print_chars = print_length = 0;
 
-	while (--argc && **(++argv) == '-') {
-		while (*++(*argv))
-			switch (**argv) {
+	while ((opt = getopt(argc, argv, "clLw")) > 0) {
+			switch (opt) {
 			case 'c':
 				print_chars = 1;
 				break;
@@ -133,35 +127,30 @@ int wc_main(int argc, char **argv)
 				print_words = 1;
 				break;
 			default:
-				usage(wc_usage);
+				show_usage();
 			}
 	}
 
 	if (!print_lines && !print_words && !print_chars && !print_length)
 		print_lines = print_words = print_chars = 1;
 
-	if (argc == 0) {
+	if (argv[optind] == NULL || strcmp(argv[optind], "-") == 0) {
 		wc_file(stdin, "");
-		exit(TRUE);
-	} else if (argc == 1) {
-		file = fopen(*argv, "r");
-		if (file == NULL) {
-			perror(*argv);
-			exit(FALSE);
-		}
-		wc_file(file, *argv);
+		return EXIT_SUCCESS;
 	} else {
-		while (argc-- > 0 && *argv != '\0' && strlen(*argv)) {
-			file = fopen(*argv, "r");
-			if (file == NULL) {
-				perror(*argv);
-				exit(FALSE);
-			}
-			wc_file(file, *argv);
-			argv++;
+		while (optind < argc) {
+			if ((file = wfopen(argv[optind], "r")) != NULL)
+				wc_file(file, argv[optind]);
+			else
+				status = EXIT_FAILURE;
+			num_files_counted++;
+			optind++;
 		}
+	}
+
+	if (num_files_counted > 1)
 		print_counts(total_lines, total_words, total_chars,
 					 max_length, "total");
-	}
-	exit(TRUE);
+
+	return status;
 }