c8eb76ba67
This change also remove native libraries from SparkR to make sure our distribution works across platforms
Tested by building on Mac, running on Amazon Linux (CentOS), Windows VM and vice-versa (built on Linux run on Mac)
I will also test this with YARN soon and update this PR.
Author: Shivaram Venkataraman <shivaram@cs.berkeley.edu>
Closes #6373 from shivaram/sparkr-binary and squashes the following commits:
ae41b5c [Shivaram Venkataraman] Remove native libraries from SparkR Also include the built SparkR package in make-distribution.sh
(cherry picked from commit a40bca0111
)
Signed-off-by: Shivaram Venkataraman <shivaram@cs.berkeley.edu>
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/*
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/*
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* A C function for R extension which implements the Java String hash algorithm.
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* Refer to http://en.wikipedia.org/wiki/Java_hashCode%28%29#The_java.lang.String_hash_function
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*
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*/
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#include <R.h>
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#include <Rinternals.h>
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/* for compatibility with R before 3.1 */
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#ifndef IS_SCALAR
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#define IS_SCALAR(x, type) (TYPEOF(x) == (type) && XLENGTH(x) == 1)
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#endif
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SEXP stringHashCode(SEXP string) {
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const char* str;
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R_xlen_t len, i;
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int hashCode = 0;
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if (!IS_SCALAR(string, STRSXP)) {
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error("invalid input");
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}
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str = CHAR(asChar(string));
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len = XLENGTH(asChar(string));
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for (i = 0; i < len; i++) {
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hashCode = (hashCode << 5) - hashCode + *str++;
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}
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return ScalarInteger(hashCode);
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}
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