Update LICENSE

.cproject

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?fileVersion 4.0.0?><cproject storage_type_id="org.eclipse.cdt.core.XmlProjectDescriptionStorage">
+	<storageModule moduleId="org.eclipse.cdt.core.settings">
+		<cconfiguration id="cdt.managedbuild.toolchain.gnu.macosx.base.1386600442">
+			<storageModule buildSystemId="org.eclipse.cdt.managedbuilder.core.configurationDataProvider" id="cdt.managedbuild.toolchain.gnu.macosx.base.1386600442" moduleId="org.eclipse.cdt.core.settings" name="Default">
+				<externalSettings/>
+				<extensions>
+					<extension id="org.eclipse.cdt.core.MachO64" point="org.eclipse.cdt.core.BinaryParser"/>
+					<extension id="org.eclipse.cdt.core.GASErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GmakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GLDErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.CWDLocator" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+				</extensions>
+			</storageModule>
+			<storageModule moduleId="cdtBuildSystem" version="4.0.0">
+				<configuration buildProperties="" id="cdt.managedbuild.toolchain.gnu.macosx.base.1386600442" name="Default" parent="org.eclipse.cdt.build.core.emptycfg">
+					<folderInfo id="cdt.managedbuild.toolchain.gnu.macosx.base.1386600442.1551296983" name="/" resourcePath="">
+						<toolChain id="cdt.managedbuild.toolchain.gnu.macosx.base.386985440" name="MacOSX GCC" superClass="cdt.managedbuild.toolchain.gnu.macosx.base">
+							<targetPlatform archList="all" binaryParser="org.eclipse.cdt.core.MachO64" id="cdt.managedbuild.target.gnu.platform.macosx.base.1885573856" name="Debug Platform" osList="macosx" superClass="cdt.managedbuild.target.gnu.platform.macosx.base"/>
+							<builder id="cdt.managedbuild.target.gnu.builder.macosx.base.1888590002" managedBuildOn="false" name="Gnu Make Builder.Default" superClass="cdt.managedbuild.target.gnu.builder.macosx.base"/>
+							<tool id="cdt.managedbuild.tool.macosx.c.linker.macosx.base.203162375" name="MacOS X C Linker" superClass="cdt.managedbuild.tool.macosx.c.linker.macosx.base"/>
+							<tool id="cdt.managedbuild.tool.macosx.cpp.linker.macosx.base.380032459" name="MacOS X C++ Linker" superClass="cdt.managedbuild.tool.macosx.cpp.linker.macosx.base">
+								<inputType id="cdt.managedbuild.tool.macosx.cpp.linker.input.1178315229" superClass="cdt.managedbuild.tool.macosx.cpp.linker.input">
+									<additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
+									<additionalInput kind="additionalinput" paths="$(LIBS)"/>
+								</inputType>
+							</tool>
+							<tool id="cdt.managedbuild.tool.gnu.assembler.macosx.base.2122297325" name="GCC Assembler" superClass="cdt.managedbuild.tool.gnu.assembler.macosx.base">
+								<inputType id="cdt.managedbuild.tool.gnu.assembler.input.382562785" superClass="cdt.managedbuild.tool.gnu.assembler.input"/>
+							</tool>
+							<tool id="cdt.managedbuild.tool.gnu.archiver.macosx.base.763285879" name="GCC Archiver" superClass="cdt.managedbuild.tool.gnu.archiver.macosx.base"/>
+							<tool id="cdt.managedbuild.tool.gnu.cpp.compiler.macosx.base.518702814" name="GCC C++ Compiler" superClass="cdt.managedbuild.tool.gnu.cpp.compiler.macosx.base">
+								<inputType id="cdt.managedbuild.tool.gnu.cpp.compiler.input.80838163" superClass="cdt.managedbuild.tool.gnu.cpp.compiler.input"/>
+							</tool>
+							<tool id="cdt.managedbuild.tool.gnu.c.compiler.macosx.base.1842847648" name="GCC C Compiler" superClass="cdt.managedbuild.tool.gnu.c.compiler.macosx.base">
+								<inputType id="cdt.managedbuild.tool.gnu.c.compiler.input.1789278916" superClass="cdt.managedbuild.tool.gnu.c.compiler.input"/>
+							</tool>
+						</toolChain>
+					</folderInfo>
+				</configuration>
+			</storageModule>
+			<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
+		</cconfiguration>
+	</storageModule>
+	<storageModule moduleId="scannerConfiguration">
+		<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+	</storageModule>
+	<storageModule moduleId="cdtBuildSystem" version="4.0.0">
+		<project id="c-multihash.null.624575767" name="c-multihash"/>
+	</storageModule>
+	<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
+	<storageModule moduleId="refreshScope"/>
+	<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets">
+		<buildTargets>
+			<target name="all" path="" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
+				<buildCommand>make</buildCommand>
+				<buildTarget>all</buildTarget>
+				<stopOnError>true</stopOnError>
+				<useDefaultCommand>true</useDefaultCommand>
+				<runAllBuilders>true</runAllBuilders>
+			</target>
+			<target name="clean" path="" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
+				<buildCommand>make</buildCommand>
+				<buildArguments/>
+				<buildTarget>clean</buildTarget>
+				<stopOnError>true</stopOnError>
+				<useDefaultCommand>true</useDefaultCommand>
+				<runAllBuilders>true</runAllBuilders>
+			</target>
+		</buildTargets>
+	</storageModule>
+</cproject>

.gitignore

@@ -3,3 +3,8 @@
 !.gitignore
 !Makefile
 !**/
+
+*.o
+*.a
+.settings/language.settings.xml
+

.project

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>c-multihash</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+			<triggers>clean,full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+			<triggers>full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.cdt.core.cnature</nature>
+		<nature>org.eclipse.cdt.core.ccnature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+	</natures>
+</projectDescription>

LICENSE

@@ -1,6 +1,9 @@
 The MIT License (MIT)
 
-Copyright (c) 2016 Protocol Labs, Inc
+Copyright (c) 2019 AGORISE, LTD. 
+An International Business Company, Cyprus Reg# ΗΕ375959 
+
+Also contains works from Protocol Labs, Inc. Copyright (c) 2016. 
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

Makefile

@@ -1,6 +1,8 @@
+DEBUG=true
+
 CC = gcc
 RM = rm -f
-CFLAGS = -fPIC -g -O2 -std=c99 \
+CFLAGS = -fPIC -O0 -std=c99 \
 	-Wall -Wextra -pedantic -Werror \
 	-Wdeclaration-after-statement \
 	-Wno-format-zero-length \
@@ -10,10 +12,14 @@ CFLAGS = -fPIC -g -O2 -std=c99 \
 	-Wunused \
 	-Wvla
 
+ifdef DEBUG
+CFLAGS += -g3
+endif
+
 LDFLAGS = -g
 LDLIBS =
 
-TARGET_LIB = mulithash.a
+TARGET_LIB = libmultihash.a
 TARGET_BIN = multihash
 
 SRCS = src/hashes.c src/errors.c src/multihash.c

include/mh/hashes.h

@@ -1,3 +1,5 @@
+#pragma once
+
 #include "errors.h"
 
 // definitions of hash functions

include/mh/multihash.h

@@ -3,6 +3,27 @@
 
 #include <stddef.h>
 
+/**
+ * Functions for working with a multihash.
+ * A multihash is a hash with a prefix "code" that
+ * helps determine what type of hash this is.
+ * code name
+ * 0x00 identity
+ * 0x11 sha1
+ * 0x12 sha2-256
+ * 0x13 sha2-512
+ * 0x14 sha3-512
+ * 0x15 sha3-384
+ * 0x16 sha3-256
+ * 0x17 sha3-224
+ * 0x18 shake-128
+ * 0x19 shake-256
+ * 0x40 blake2b
+ * 0x41 blake2s
+ * # 0x0400-0x040f reserved for application specific functions
+ * # 0x14 formerly had the name "sha3", now deprecated
+ */
+
 /**
  * returns hash code or error (which is < 0)
  * @param mh the multihash
@@ -26,7 +47,7 @@ int mh_multihash_length(const unsigned char *multihash, size_t len);
  * @param digest the results
  * @returns error if less than zero, otherwise 0
  */
-int mh_multihash_digest(unsigned char *multihash, size_t len,
+int mh_multihash_digest(const unsigned char *multihash, size_t len,
 	 unsigned char **digest, size_t *digest_len);
 
 /**
@@ -44,7 +65,7 @@ int mh_new_length(int code, size_t digest_len);
  * @param digest the data within the multihash
  * @returns error (if < 0) or 0
  */
-int mh_new(unsigned char *buffer, int code, const unsigned char *digest,
+int mh_new(unsigned char* buffer, int code, const unsigned char *digest,
 	size_t digest_len);
 
 #endif /* end of include guard */

src/multihash.c

@@ -85,14 +85,14 @@ int mh_multihash_length(const unsigned char *mh, size_t len) {
  * @param digest the results
  * @returns error if less than zero, otherwise 0
  */
-int mh_multihash_digest(unsigned char *multihash, size_t len, unsigned char **digest,
+int mh_multihash_digest(const unsigned char *multihash, size_t len, unsigned char **digest,
 		size_t *digest_len) {
 	int err = check_multihash(multihash, len);
 	if (err)
 		return err;
 
 	(*digest_len) = (size_t) mh_multihash_length(multihash, len);
-	(*digest) = multihash + 2; // Always true without varint
+	(*digest) = (unsigned char*)multihash + 2; // Always true without varint
 
 	return 0;
 }
@@ -117,7 +117,7 @@ int mh_new_length(int code, size_t hash_len) {
  * @param digest the data within the multihash
  * @returns error (if < 0) or 0
  */
-int mh_new(unsigned char *buffer, int code, const unsigned char *digest,
+int mh_new(unsigned char* buffer, int code, const unsigned char *digest,
 	size_t digest_len) {
 	if (code & VARINT_MASK)
 		return MH_E_VARINT_NOT_SUPPORTED;