Function web_buf_append

ds4_web.c:83–99

}

static void web_buf_append(web_buf *b, const char *s, size_t n) {
    if (!n) return;
    if (b->len + n + 1 > b->cap) {
        size_t cap = b->cap ? b->cap * 2 : 4096;
        while (cap < b->len + n + 1) cap *= 2;
        char *p = realloc(b->ptr, cap);
        if (!p) {
            perror("ds4_web: realloc");
            exit(1);
        }
        b->ptr = p;
        b->cap = cap;
    }
    memcpy(b->ptr + b->len, s, n);
    b->len += n;
    b->ptr[b->len] = '\0';
}

static void web_buf_puts(web_buf *b, const char *s) {
    web_buf_append(b, s, strlen(s));