static int unix_sockaddr_init()

in watchman.c [134:171]

• 34 lines of code
• 6 McCabe index (conditional complexity)

static int unix_sockaddr_init(struct sockaddr_un *sa, const char *path,
                              struct unix_sockaddr_context *ctx)
{
    size_t size = strlen(path) + 1;

    ctx->orig_dir = NULL;
    if (size > sizeof(sa->sun_path)) {
        const char *slash = strrchr(path, '/');
        const char *dir;

        if (!slash) {
            errno = ENAMETOOLONG;
            return -1;
        }

        dir = path;
        path = slash + 1;
        size = strlen(path) + 1;
        if (size > sizeof(sa->sun_path)) {
            errno = ENAMETOOLONG;
            return -1;
        }
        char *cwd = getcwd_alloc();
        if (!cwd) {
            return -1;
        }
        ctx->orig_dir = cwd;
        if (chdir_len(dir, slash - dir) < 0) {
            free(cwd);
            return -1;
        }
    }

    memset(sa, 0, sizeof(*sa));
    sa->sun_family = AF_UNIX;
    memcpy(sa->sun_path, path, size);
    return 0;
}