gistfile1.c

#include <ratbox_lib.h>
#include "websocket.h"

struct WebSocketKey *parse_websocket_key(const char *s) {
    struct WebSocketKey *r;
    int i;

    r = rb_malloc(sizeof(struct WebSocketKey));

    r->digits = 0;
    r->spaces = 0;

    for (i = 0; s[i]; ++i) {
        if (s[i] == ' ') {
            r->spaces++;
            continue;
        }

        if (s[i] >= '0' && s[i] <= '9') {
            r->digits = r->digits * 10 + (uint32_t)s[i] - '0';
        }
    }

    return r;
}