emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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 ;
}