Function path_append_segment

src/pipeline/fqn.c:187–199

Append a single path segment to a mutable buffer that already holds a * normalized slash-separated path. Adds a '/' separator when needed, * returns false if the buffer would overflow. */

 * normalized slash-separated path.  Adds a '/' separator when needed,
 * returns false if the buffer would overflow. */
static bool path_append_segment(char *buf, size_t buf_size, const char *seg, size_t seg_len) {
    size_t cur = strlen(buf);
    size_t need = cur + (cur > 0 ? FQN_SEP_LEN : 0) + seg_len + FQN_NUL_LEN;
    if (need > buf_size) {
        return false;
    }
    if (cur > 0) {
        buf[cur++] = '/';
    }
    memcpy(buf + cur, seg, seg_len);
    buf[cur + seg_len] = '\0';
    return true;
}

/* Pop the last segment from a mutable slash-separated path. */
static void path_pop_segment(char *buf) {