fluffy

freq.c

 1#include <stdio.h>
 2#include <stdbool.h>
 3#include <unistd.h>
 4#include "glyphs.h"
 5
 6int counts[256] = {0};
 7
 8int main(int argc, char *argv[]) {
 9    int c;
10    bool all = false;
11
12    while ((c = getopt(argc, argv, "a")) != -1) {
13        switch (c) {
14            case -1:
15                break;
16            case 'a':
17                all = true;
18                break;
19            default:
20                fprintf(stderr, "Usage: %s [-a]\n", argv[0]);
21                fprintf(stderr, "\n");
22                fprintf(stderr, "-a    Output all octets, even if count == 0\n");
23                return 1;
24        }
25    }
26
27    for (;;) {
28        c = getchar();
29        if (EOF == c) {
30            break;
31        }
32        counts[c] += 1;
33    }
34
35    for (c=0; c<256; ++c) {
36        if (all || counts[c]) {
37            printf("%d %02x %s\n", counts[c], c, fluffyglyphs[c]);
38        }
39    }
40    return 0;
41}