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Converted option parsing to using getopt(). Also managed to remove an

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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.
This commit is contained in:
Mark Whitley 2000-07-20 00:08:10 +00:00
parent 99e370f0c6
commit 3950596e1e
2 changed files with 34 additions and 34 deletions
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34
coreutils/wc.c
View File

@ -22,6 +22,7 @@
#include "internal.h"
#include <stdio.h>
#include <getopt.h>
static int total_lines, total_words, total_chars, max_length;
static int print_lines, print_words, print_chars, print_length;
@ -103,13 +104,14 @@ 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;
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;
@ -130,26 +132,24 @@ int wc_main(int argc, char **argv)
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) {
fatalError(*argv);
}
wc_file(file, *argv);
} else {
while (argc-- > 0) {
file = fopen(*argv, "r");
while (optind < argc) {
file = fopen(argv[optind], "r");
if (file == NULL) {
fatalError(*argv);
fatalError(argv[optind]);
}
wc_file(file, *argv);
argv++;
wc_file(file, argv[optind]);
num_files_counted++;
optind++;
}
}
if (num_files_counted > 1)
print_counts(total_lines, total_words, total_chars,
max_length, "total");
}
return(TRUE);
return 0 ;
}

34
wc.c
View File

@ -22,6 +22,7 @@
#include "internal.h"
#include <stdio.h>
#include <getopt.h>
static int total_lines, total_words, total_chars, max_length;
static int print_lines, print_words, print_chars, print_length;
@ -103,13 +104,14 @@ 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;
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;
@ -130,26 +132,24 @@ int wc_main(int argc, char **argv)
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) {
fatalError(*argv);
}
wc_file(file, *argv);
} else {
while (argc-- > 0) {
file = fopen(*argv, "r");
while (optind < argc) {
file = fopen(argv[optind], "r");
if (file == NULL) {
fatalError(*argv);
fatalError(argv[optind]);
}
wc_file(file, *argv);
argv++;
wc_file(file, argv[optind]);
num_files_counted++;
optind++;
}
}
if (num_files_counted > 1)
print_counts(total_lines, total_words, total_chars,
max_length, "total");
}
return(TRUE);
return 0 ;
}