From 02d090d3d2623047009a17d47bf09df83285a75e Mon Sep 17 00:00:00 2001
From: Glenn L McGrath
Date: Wed, 21 Nov 2001 09:17:00 +0000
Subject: Use enums for selected functionality, Reduce the size by nearly 100
Bytes
---
coreutils/wc.c | 34 +++++++++++++++++++++-------------
1 file changed, 21 insertions(+), 13 deletions(-)
(limited to 'coreutils')
diff --git a/coreutils/wc.c b/coreutils/wc.c
index 695e7e7..03dd3c3 100644
--- a/coreutils/wc.c
+++ b/coreutils/wc.c
@@ -27,26 +27,33 @@
#include "busybox.h"
static int total_lines, total_words, total_chars, max_length;
-static int print_lines, print_words, print_chars, print_length;
+//static int print_lines, print_words, print_chars, print_length;
+static char print_type = 0;
+enum print_e {
+ print_lines = 1,
+ print_words = 2,
+ print_chars = 4,
+ print_length = 8
+};
static void print_counts(int lines, int words, int chars, int length,
const char *name)
{
char const *space = "";
- if (print_lines) {
+ if (print_type & print_lines) {
printf("%7d", lines);
space = " ";
}
- if (print_words) {
+ if (print_type & print_words) {
printf("%s%7d", space, words);
space = " ";
}
- if (print_chars) {
+ if (print_type & print_chars) {
printf("%s%7d", space, chars);
space = " ";
}
- if (print_length)
+ if (print_type & print_length)
printf("%s%7d", space, length);
if (*name)
printf(" %s", name);
@@ -110,36 +117,37 @@ int wc_main(int argc, char **argv)
int opt, status = EXIT_SUCCESS;
total_lines = total_words = total_chars = max_length = 0;
- print_lines = print_words = print_chars = print_length = 0;
while ((opt = getopt(argc, argv, "clLw")) > 0) {
switch (opt) {
case 'c':
- print_chars = 1;
+ print_type |= print_chars;
break;
case 'l':
- print_lines = 1;
+ print_type |= print_lines;
break;
case 'L':
- print_length = 1;
+ print_type |= print_length;
break;
case 'w':
- print_words = 1;
+ print_type |= print_words;
break;
default:
show_usage();
}
}
- if (!print_lines && !print_words && !print_chars && !print_length)
- print_lines = print_words = print_chars = 1;
+ if (print_type == 0) {
+ print_type = print_lines | print_words | print_chars;
+ }
if (argv[optind] == NULL || strcmp(argv[optind], "-") == 0) {
wc_file(stdin, "");
return EXIT_SUCCESS;
} else {
while (optind < argc) {
- if ((file = wfopen(argv[optind], "r")) != NULL)
+ file = wfopen(argv[optind], "r");
+ if (file != NULL)
wc_file(file, argv[optind]);
else
status = EXIT_FAILURE;
--
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