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Use enums for selected functionality, Reduce the size by nearly 100 Bytes

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This commit is contained in:
Glenn L McGrath 2001-11-21 09:17:00 +00:00
parent 2480e3a30a
commit 02d090d3d2
1 changed files with 21 additions and 13 deletions
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34
coreutils/wc.c
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@ -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;