c-tools | useful utils for c | Development Tools library

 by   chaozh C Version: Current License: No License

kandi X-RAY | c-tools Summary

kandi X-RAY | c-tools Summary

c-tools is a C library typically used in Utilities, Development Tools applications. c-tools has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

useful utils for c.

            kandi-support Support

              c-tools has a low active ecosystem.
              It has 2 star(s) with 3 fork(s). There are 3 watchers for this library.
              It had no major release in the last 6 months.
              c-tools has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of c-tools is current.

            kandi-Quality Quality

              c-tools has 0 bugs and 0 code smells.

            kandi-Security Security

              c-tools has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              c-tools code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              c-tools does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              Without a license, all rights are reserved, and you cannot use the library in your applications.

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              c-tools releases are not available. You will need to build from source code and install.

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            c-tools Examples and Code Snippets

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            Community Discussions


            use grpc in nodejs and typescript
            Asked 2022-Mar-22 at 06:47

            i need to use GRPC in nodejs an type script project , i have a problem with generate proto files in windows 10 and npm .

            i want to ru this file transpile-proto-ts.sh:



            Answered 2022-Mar-22 at 06:47

            Make sure that your sh file is executable as

            Source https://stackoverflow.com/questions/70517917


            `peer lifecycle chaincode package`command for Node.js chainode not bundling node_modules
            Asked 2022-Jan-24 at 23:58

            Hyperledger Fabric version: 2.2.4

            Fabric Client: Fabric-Tools 2.2 Docker Image - https://hub.docker.com/layers/hyperledger/fabric-tools/2.2/images/sha256-a5f691808466e90942af3f5f72d697cdaa4e545acfc1f645a553986423ef7ea5?context=explore

            Chaincode: Fabric-samples Javascript

            Context on the issue: I am currently creating a CI/CD pipeline for the deployment of chaincode using the 2.x chaincode lifecycle. I am facing unexpected behavior with Node.js chaincode deployment whereby the node_modules I install using npm install prior to running peer lifecycle chaincode package(per the documentation) are not included in the resulting tar.gz package within code.tar.gz. Because my peer nodes are not able to access the internet to install dependencies, the missing modules result in errors when running the chaincode after installation. More specifically, I get errors related to missing modules like Fabric Shim which are defined in require() statements in the chaincode sample.

            When manually deconstructing unpacking the tar.gz structure, the code.tar.gz archive does not include node_modules that are present in the target chaincode directory that I defined the path to in the peer lifecycle chaincode package command.

            Expected Behavior: My understanding was that the new chaincode lifecycle packaging process included the dependencies in the tar.gz package before deploying and therefore there is no need to run npm install or otherwise download dependencies from externally at runtime. More specifically, based on the documentation and examples online, it seems the peer lifecycle chaincode package command would include installed dependencies from node_modules in the package for deployment.

            Is this not the default behavior of the chaincode packaging mechanism, and if not, is there a best practice for bundling dependencies on Node.js chaincode where npm install at the peer is not possible?

            TIA for any help here



            Answered 2022-Jan-24 at 23:58

            The peer lifecycle chaincode package explicitly excludes the node_modules directory. Also as I assume you are currently using the inbuilt docker builder and launcher of the peer, even if you did send a package that contained the node_modules directory, it will still call npm install on it even with the presence of the node_modules directory and may end up trying to interact with an external npm registry.

            I would suggest that you look at either using a chaincode external builder and launcher, see https://hyperledger-fabric.readthedocs.io/en/release-2.2/cc_launcher.html and you could process a chaincode package that already has the node_modules included. A chaincode package is just a tar.gz file so is easy to package yourself as described in the link

            or use chaincode as a service https://hyperledger-fabric.readthedocs.io/en/release-2.2/cc_service.html which doesn't require any code to be packaged and processed by the peer.

            Source https://stackoverflow.com/questions/70805863


            What is 'serviceability memory category' of Native Memory Tracking?
            Asked 2022-Jan-17 at 13:38

            I have an java app (JDK13) running in a docker container. Recently I moved the app to JDK17 (OpenJDK17) and found a gradual increase of memory usage by docker container.

            During investigation I found that the 'serviceability memory category' NMT grows constantly (15mb per an hour). I checked the page https://docs.oracle.com/en/java/javase/17/troubleshoot/diagnostic-tools.html#GUID-5EF7BB07-C903-4EBD-A9C2-EC0E44048D37 but this category is not mentioned there.

            Could anyone explain what this serviceability category means and what can cause such gradual increase? Also there are some additional new memory categories comparing to JDK13. Maybe someone knows where I can read details about them.

            Here is the result of command jcmd 1 VM.native_memory summary



            Answered 2022-Jan-17 at 13:38

            Unfortunately (?), the easiest way to know for sure what those categories map to is to look at OpenJDK source code. The NMT tag you are looking for is mtServiceability. This would show that "serviceability" are basically diagnostic interfaces in JDK/JVM: JVMTI, heap dumps, etc.

            But the same kind of thing is clear from observing that stack trace sample you are showing mentions ThreadStackTrace::dump_stack_at_safepoint -- that is something that dumps the thread information, for example for jstack, heap dump, etc. If you have a suspicion for the memory leak in that code, you might try to build a MCVE demonstrating it, and submitting the bug against OpenJDK, or showing it to a fellow OpenJDK developer. You probably know better what your application is doing to cause thread dumps, focus there.

            That being said, I don't see any obvious memory leaks in StackFrameInfo, neither can I reproduce any leak with stress tests, so maybe what you are seeing is "just" thread dumping over the larger and larger thread stacks. Or you capture it when thread dump is happening. Or... It is hard to say without the MCVE.

            Update: After playing with MCVE, I realized that it reproduces with 17.0.1, but not with either mainline development JDK, or JDK 18 EA, or JDK 17.0.2 EA. I tested with 17.0.2 EA before, so was not seeing it, dang. Bisection between 17.0.1 and 17.0.2 EA shows it was fixed with JDK-8273902 backport. 17.0.2 releases this week, so the bug should disappear after you upgrade.

            Source https://stackoverflow.com/questions/70709971


            Hyperledger Fabric: how can I invoke a chaincode with the role of a user?
            Asked 2021-Oct-25 at 14:29

            I've set up a sample network with three organizations:

            • Org0 with two orderers;
            • Org1 with one peer and one admin identity;
            • Org2 with one peer, one admin identity and two user identities.

            I've also set two CA, the second one gives certificates for TLS.

            In the docker-compose.yaml, I've created two cli containers for Org1 and Org2 where I can act as admin joining a channel and installing the chaincode. In this way, I am able to deploy the chaincode without any problem. If I invoke the chaincode from the cli container of Org1 or Org2, it is always invoked with the role of admin of the organization (the certificate of the requestor is always the one of the admin of the org).

            How can I invoke a smart contract with the role of a user that I've already registered on my CA (with the user certificate of one of the users of Org2) without implementing an application? This is useful for me only for testing purposes.

            Currently I run this command:



            Answered 2021-Oct-25 at 06:50

            You can simply enroll your new user cryptographic material (MSP and TLS) from your CA and deploy a client container analog to the admin one, but pointing to the new material (with different volumes and env variables CORE_PEER_ID, CORE_PEER_MSPCONFIGPATH, etc.).

            Anyone, at any point you are going to need to develop a client application with the SDK to implement more complex operations and execution flows.

            You can also look for some higher level tool. IBM Blockchain Platform extension for VSCode is a good one.

            Source https://stackoverflow.com/questions/69695793


            bitbake/wic error when making squashfs file systems
            Asked 2021-Sep-02 at 18:06

            When I specify the squashfs file system type in the wic kickstart file (.wks file):



            Answered 2021-Sep-02 at 18:06

            The dependency can be put in the machine configuration file with the WKS_FILE_DEPENDS variable. For example:

            Source https://stackoverflow.com/questions/69035232


            Failed to generate pb file when using proto3 version.[Nodejs]
            Asked 2021-Jun-11 at 10:39

            1.I yarn add grpc-tools.

            2.cmd command: protoc --js_out=import_style=commonjs,binary:./ --plugin=protoc-gen-grpc=./grpc_node_plugin.exe --grpc_out=./ UHDInterface.proto

            3.Finally reported an error

            UHDInterface.proto: is a proto3 file that contains optional fields, but code generator protoc-gen-grpc hasn't been updated to support optional fields in proto3. Please ask the owner of this code generator to support proto3 optional.--grpc_out



            Answered 2021-Mar-15 at 11:59

            proto3 doesn't support optional and required filed in message defination any more, just remove these field in UHDInterface.proto

            You can reference why messge type remove 'required,optional'? for more detail.

            Source https://stackoverflow.com/questions/66635585


            Hyperledger Blockchain Explorer-Fail to connect before the deadline on Endorser, fail to connect to remote gRPC server
            Asked 2021-Jun-06 at 00:15

            I am trying to set up a Hyperledger Fabric Network with Hyperledger Explorer. I spin up a VM on the digital ocean cloud with ubuntu OS. From there, I spin up 3 orderers node, and 2 peers node. Which result in total of 5 nodes. (I am using RAFT setup).

            However, I encounter the error as below when trying to start the hyperledger fabric explorer docker-container images.

            Error: ...


            Answered 2021-Feb-20 at 23:54

            All configurations seems good, however you have to upgrade explorer version to be compatible with hyperledger fabric version.

            So please use v1.1.4 instead of v1.1.1

            Also make sure that you have mounted crypto config correctly, try to access this path inside the container /tmp/crypto/peerOrganizations/acme.com/tlsca/tlsca.acme.com-cert.pem

            Try to change tlsCACerts path to use peer tls ca.crt /tmp/crypto/peerOrganizations/acme.com/peers/peer1.acme.com/tls/ca.crt

            You have mentioned that the same configurations works with hyperledger fabric v2, if you have tried it locally not on the same server so I please disable the firewall on the server and give it a try

            To check if you can reach domain and port please try this

            cat > /dev/tcp/peer1.acme.com/7051

            Check this https://support.bluemedora.com/s/article/Using-Bash-to-test-if-a-TCP-port-on-a-remote-system-is-open

            Source https://stackoverflow.com/questions/66256188


            Webpack 5 and Storybook 6 integration throws an error in DefinePlugin.js
            Asked 2021-May-28 at 08:12

            Working on Webpack 5 and Storybook integration in our React apps' repository. Mainly upgrading from Webpack v4 to v5 because its support has been announced here in this blog post officially. Following the suggested full instructions.

            With the below mentioned setup I get the following error message on the console:



            Answered 2021-May-28 at 08:12

            We had the same issue.

            First, you will need to install @storybook/builder-webpack5@next.

            Then you have to upgrade every @storybook dependency to version ^6.3.0-alpha.6 using this command:

            Source https://stackoverflow.com/questions/67070802


            bash help - script to run a command for folders matching a pattern
            Asked 2021-Apr-28 at 21:21

            I'm wanting to create a script which can run k apply -Rf ./service-token-auth for each of the logical groups here. Mainly all of the graphql-* and data-service-* folders.

            Is this something that would be quite easy to implement?



            Answered 2021-Apr-28 at 21:21

            you can iterate over files in bash

            first make sure that it only hits the folders that you want

            Source https://stackoverflow.com/questions/67304522


            FreeBSD Could not find gem in any of the sources
            Asked 2021-Apr-27 at 16:26

            I am trying to bundle on FreeBSD and it cannot find the grpc gem. I installed the grpc 1.30.2 version using a FreeBSD package but it cannot find the system gem.

            I'm hoping there is a bundle config setting to find and use the system gem which is already built and intalled.

            The error I get is:



            Answered 2021-Apr-27 at 15:01

            Looks like this may be my fault. The gem packages purposefully remove the cache dir from the gem. This was originally added here:


            and lives on here:


            Source https://stackoverflow.com/questions/67285105

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