diff options
author | Erik Andersen <andersen@codepoet.org> | 2000-02-08 22:58:47 +0300 |
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committer | Erik Andersen <andersen@codepoet.org> | 2000-02-08 22:58:47 +0300 |
commit | e49d5ecbbe51718fa925b6890a735e5937cc2aa2 (patch) | |
tree | c90bda10731ad9333ce3b404f993354c9fc104b8 /wc.c | |
parent | c0bf817bbc5c7867fbe8fb76d5c39f8ee802692f (diff) |
Some formatting updates (ran the code through indent)
-Erik
Diffstat (limited to 'wc.c')
-rw-r--r-- | wc.c | 127 |
1 files changed, 66 insertions, 61 deletions
@@ -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); } |