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authorErik Andersen2000-02-08 19:58:47 +0000
committerErik Andersen2000-02-08 19:58:47 +0000
commite49d5ecbbe51718fa925b6890a735e5937cc2aa2 (patch)
treec90bda10731ad9333ce3b404f993354c9fc104b8 /wc.c
parentc0bf817bbc5c7867fbe8fb76d5c39f8ee802692f (diff)
downloadbusybox-e49d5ecbbe51718fa925b6890a735e5937cc2aa2.zip
busybox-e49d5ecbbe51718fa925b6890a735e5937cc2aa2.tar.gz
Some formatting updates (ran the code through indent)
-Erik
Diffstat (limited to 'wc.c')
-rw-r--r--wc.c127
1 files changed, 66 insertions, 61 deletions
diff --git a/wc.c b/wc.c
index e69f0d8..8004e62 100644
--- a/wc.c
+++ b/wc.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
/*
* Mini wc implementation for busybox
*
@@ -23,78 +24,82 @@
#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"
-"\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";
+ "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"
+ "\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";
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) {
+void print_counts(int lines, int words, int chars, int length,
+ const char *name)
+{
char const *space = "";
+
if (print_lines) {
- printf ("%7d", lines);
+ printf("%7d", lines);
space = " ";
}
if (print_words) {
- printf ("%s%7d", space, words);
+ printf("%s%7d", space, words);
space = " ";
}
if (print_chars) {
- printf ("%s%7d", space, chars);
+ printf("%s%7d", space, chars);
space = " ";
}
if (print_length)
- printf ("%s%7d", space, length);
+ printf("%s%7d", space, length);
if (*name)
- printf (" %s", name);
- putchar ('\n');
+ printf(" %s", name);
+ putchar('\n');
}
-static void wc_file(FILE *file, const char *name)
+static void wc_file(FILE * file, const char *name)
{
int lines, words, chars, length;
int in_word = 0, linepos = 0;
int c;
+
lines = words = chars = length = 0;
while ((c = getc(file)) != EOF) {
chars++;
switch (c) {
- case '\n':
- lines++;
- case '\r':
- case '\f':
- if (linepos > length)
- length = linepos;
- linepos = 0;
- goto word_separator;
- case '\t':
- linepos += 8 - (linepos % 8);
- goto word_separator;
- case ' ':
- linepos++;
- case '\v':
- word_separator:
- if (in_word) {
- in_word = 0;
- words++;
- }
- break;
- default:
- linepos++;
- in_word = 1;
- break;
+ case '\n':
+ lines++;
+ case '\r':
+ case '\f':
+ if (linepos > length)
+ length = linepos;
+ linepos = 0;
+ goto word_separator;
+ case '\t':
+ linepos += 8 - (linepos % 8);
+ goto word_separator;
+ case ' ':
+ linepos++;
+ case '\v':
+ word_separator:
+ if (in_word) {
+ in_word = 0;
+ words++;
+ }
+ break;
+ default:
+ linepos++;
+ in_word = 1;
+ break;
}
}
if (linepos > length)
length = linepos;
if (in_word)
words++;
- print_counts (lines, words, chars, length, name);
+ print_counts(lines, words, chars, length, name);
total_lines += lines;
total_words += words;
total_chars += chars;
@@ -104,28 +109,30 @@ static void wc_file(FILE *file, const char *name)
fflush(stdout);
}
-int wc_main(int argc, char **argv) {
+int wc_main(int argc, char **argv)
+{
FILE *file;
+
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) {
- case 'c':
- print_chars = 1;
- break;
- case 'l':
- print_lines = 1;
- break;
- case 'L':
- print_length = 1;
- break;
- case 'w':
- print_words = 1;
- break;
- default:
- usage (wc_usage);
+ case 'c':
+ print_chars = 1;
+ break;
+ case 'l':
+ print_lines = 1;
+ break;
+ case 'L':
+ print_length = 1;
+ break;
+ case 'w':
+ print_words = 1;
+ break;
+ default:
+ usage(wc_usage);
}
}
@@ -135,16 +142,14 @@ int wc_main(int argc, char **argv) {
if (argc == 0) {
wc_file(stdin, "");
exit(TRUE);
- }
- else if (argc == 1) {
+ } else if (argc == 1) {
file = fopen(*argv, "r");
if (file == NULL) {
perror(*argv);
exit(FALSE);
}
wc_file(file, *argv);
- }
- else {
+ } else {
while (argc-- > 0 && *argv != '\0' && strlen(*argv)) {
file = fopen(*argv, "r");
if (file == NULL) {
@@ -154,8 +159,8 @@ int wc_main(int argc, char **argv) {
wc_file(file, *argv);
argv++;
}
- print_counts (total_lines, total_words, total_chars,
- max_length, "total");
+ print_counts(total_lines, total_words, total_chars,
+ max_length, "total");
}
exit(TRUE);
}