Function bytesToHuman

src/server.cpp:5549–5574

Convert an amount of bytes into a human readable string in the form * of 100B, 2G, 100M, 4K, and so forth. */

/* Convert an amount of bytes into a human readable string in the form
 * of 100B, 2G, 100M, 4K, and so forth. */
void bytesToHuman(char *s, unsigned long long n, size_t bufsize) {
    double d;

    if (n < 1024) {
        /* Bytes */
        snprintf(s,bufsize,"%lluB",n);
    } else if (n < (1024*1024)) {
        d = (double)n/(1024);
        snprintf(s,bufsize,"%.2fK",d);
    } else if (n < (1024LL*1024*1024)) {
        d = (double)n/(1024*1024);
        snprintf(s,bufsize,"%.2fM",d);
    } else if (n < (1024LL*1024*1024*1024)) {
        d = (double)n/(1024LL*1024*1024);
        snprintf(s,bufsize,"%.2fG",d);
    } else if (n < (1024LL*1024*1024*1024*1024)) {
        d = (double)n/(1024LL*1024*1024*1024);
        snprintf(s,bufsize,"%.2fT",d);
    } else if (n < (1024LL*1024*1024*1024*1024*1024)) {
        d = (double)n/(1024LL*1024*1024*1024*1024);
        snprintf(s,bufsize,"%.2fP",d);
    } else {
        /* Let's hope we never need this */
        snprintf(s,bufsize,"%lluB",n);
    }
}

/* Characters we sanitize on INFO output to maintain expected format. */
static char unsafe_info_chars[] = "#:\n\r";