C++ (Cpp) _alpm_remove_prepare示例

示例#1

文件： trans.c 项目： andrewgregory/pacman

/** Prepare a transaction. */
int SYMEXPORT alpm_trans_prepare(alpm_handle_t *handle, alpm_list_t **data)
{
	alpm_trans_t *trans;

	/* Sanity checks */
	CHECK_HANDLE(handle, return -1);
	ASSERT(data != NULL, RET_ERR(handle, ALPM_ERR_WRONG_ARGS, -1));

	trans = handle->trans;

	ASSERT(trans != NULL, RET_ERR(handle, ALPM_ERR_TRANS_NULL, -1));
	ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(handle, ALPM_ERR_TRANS_NOT_INITIALIZED, -1));

	/* If there's nothing to do, return without complaining */
	if(trans->add == NULL && trans->remove == NULL) {
		return 0;
	}

	alpm_list_t *invalid = check_arch(handle, trans->add);
	if(invalid) {
		if(data) {
			*data = invalid;
		}
		RET_ERR(handle, ALPM_ERR_PKG_INVALID_ARCH, -1);
	}

	if(trans->add == NULL) {
		if(_alpm_remove_prepare(handle, data) == -1) {
			/* pm_errno is set by _alpm_remove_prepare() */
			return -1;
		}
	}	else {
		if(_alpm_sync_prepare(handle, data) == -1) {
			/* pm_errno is set by _alpm_sync_prepare() */
			return -1;
		}
	}


	if(!(trans->flags & ALPM_TRANS_FLAG_NODEPS)) {
		_alpm_log(handle, ALPM_LOG_DEBUG, "sorting by dependencies\n");
		if(trans->add) {
			alpm_list_t *add_orig = trans->add;
			trans->add = _alpm_sortbydeps(handle, add_orig, trans->remove, 0);
			alpm_list_free(add_orig);
		}
		if(trans->remove) {
			alpm_list_t *rem_orig = trans->remove;
			trans->remove = _alpm_sortbydeps(handle, rem_orig, NULL, 1);
			alpm_list_free(rem_orig);
		}
	}

	trans->state = STATE_PREPARED;

	return 0;
}

示例#2

文件： trans.c 项目： matthewbauer/unipkg-pacman

/** Prepare a transaction. */
int SYMEXPORT alpm_trans_prepare(alpm_handle_t *handle, alpm_list_t **data)
{
    alpm_trans_t *trans;

    /* Sanity checks */
    CHECK_HANDLE(handle, return -1);
    ASSERT(data != NULL, RET_ERR(handle, ALPM_ERR_WRONG_ARGS, -1));

    trans = handle->trans;

    ASSERT(trans != NULL, RET_ERR(handle, ALPM_ERR_TRANS_NULL, -1));
    ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(handle, ALPM_ERR_TRANS_NOT_INITIALIZED, -1));

    /* If there's nothing to do, return without complaining */
    if(trans->add == NULL && trans->remove == NULL) {
        return 0;
    }

    alpm_list_t *invalid = check_arch(handle, trans->add);
    if(invalid) {
        if(data) {
            *data = invalid;
        }
        RET_ERR(handle, ALPM_ERR_PKG_INVALID_ARCH, -1);
    }

    if(trans->add == NULL) {
        if(_alpm_remove_prepare(handle, data) == -1) {
            /* pm_errno is set by _alpm_remove_prepare() */
            return -1;
        }
    }	else {
        if(_alpm_sync_prepare(handle, data) == -1) {
            /* pm_errno is set by _alpm_sync_prepare() */
            return -1;
        }
    }

    trans->state = STATE_PREPARED;

    return 0;
}

示例#3

文件： trans.c 项目： LucaLanziani/alpm_ruby

int _alpm_trans_prepare(pmtrans_t *trans, alpm_list_t **data)
{
	if(data) {
		*data = NULL;
	}

	ALPM_LOG_FUNC;

	/* Sanity checks */
	ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));

	/* If there's nothing to do, return without complaining */
	if(trans->packages == NULL) {
		return(0);
	}

	switch(trans->type) {
		case PM_TRANS_TYPE_UPGRADE:
			if(_alpm_add_prepare(trans, handle->db_local, data) == -1) {
				/* pm_errno is set by _alpm_add_prepare() */
				return(-1);
			}
		break;
		case PM_TRANS_TYPE_REMOVE:
		case PM_TRANS_TYPE_REMOVEUPGRADE:
			if(_alpm_remove_prepare(trans, handle->db_local, data) == -1) {
				/* pm_errno is set by _alpm_remove_prepare() */
				return(-1);
			}
		break;
		case PM_TRANS_TYPE_SYNC:
			if(_alpm_sync_prepare(trans, handle->db_local, handle->dbs_sync, data) == -1) {
				/* pm_errno is set by _alpm_sync_prepare() */
				return(-1);
			}
		break;
	}

	trans->state = STATE_PREPARED;

	return(0);
}