Oops. Forgot the usleep.c file.

[oweals/busybox.git] / wc.c

diff --git a/wc.c b/wc.c
index a1e2fca56b9943aff2e66c3dd50292863d17f046..8004e629445e6ecf16c36961797b464a7a1a150a 100644 (file)
--- a/wc.c
+++ b/wc.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /*
  * Mini wc implementation for busybox
  *
@@ -23,79 +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-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;
@@ -105,28 +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);
                        }
        }
 
@@ -136,16 +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) {
@@ -155,8 +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);
 }