Function activation_unique_path

src/cli/activation_transaction.c:222–255

}

static char *activation_unique_path(const char *directory, const char *tag) {
    uint64_t sequence =
        atomic_fetch_add_explicit(&activation_unique_sequence, 1U, memory_order_relaxed) + 1U;
#ifdef _WIN32
    unsigned long process_id = (unsigned long)GetCurrentProcessId();
#else
    unsigned long process_id = (unsigned long)getpid();
#endif
    size_t directory_length = strlen(directory);
    size_t needed = directory_length + strlen(tag) + 80U;
    char *path = malloc(needed);
    if (!path) {
        return NULL;
    }
    /* Windows joins use the backslash: extended-length (\\\\?\\) directories
     * reach this composer and that namespace performs no forward-slash
     * translation. POSIX keeps the slash. */
#ifdef _WIN32
    const char *separator = "\\";
#else
    const char *separator = "/";
#endif
    int written =
        snprintf(path, needed, "%s%s.cbm-%s-%lu-%" PRIu64, directory,
                 directory[directory_length - 1U] == '/' || directory[directory_length - 1U] == '\\'
                     ? ""
                     : separator,
                 tag, process_id, sequence);
    if (written <= 0 || (size_t)written >= needed) {
        free(path);
        return NULL;
    }
    return path;
}

static bool activation_identity_equal(const activation_file_identity_t *left,
                                      const activation_file_identity_t *right) {