openeuler/cjson repository overview

⁠Quick reference

• The official cJSON docker image.

• Maintained by: openEuler CloudNative SIG⁠.

• Where to get help: openEuler CloudNative SIG⁠, openEuler⁠.

⁠cJSON | openEuler

Current cJSON docker images are built on the openEuler⁠. This repository is free to use and exempted from per-user rate limits.

cJSON aims to be the dumbest possible parser that you can get your job done with. It's a single file of C, and a single header file.

⁠Supported tags and respective Dockerfile links

The tag of each cjson docker image is consist of the version of cjson and the version of basic image. The details are as follows

⁠Usage

In this usage, users can select the corresponding {Tag} based on their requirements.

• Pull the openeuler/cjson image from docker

  docker pull openeuler/cjson:{Tag}
  

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• Run with an interactive shell

  You can start the container with an interactive shell to run your own code using cJSON.

  docker run -it --rm openeuler/cjson:{Tag} bash
  

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• Sample code

  test.c

  #include <stdio.h>
  #include <stdlib.h>
  #include <cjson/cJSON.h>
  
  int main() {
      cJSON *root = cJSON_CreateObject();
      cJSON_AddStringToObject(root, "name", "Alice");
      cJSON_AddNumberToObject(root, "age", 25);
  
      char *json_str = cJSON_Print(root);
      printf("Generated JSON:\n%s\n", json_str);
  
      cJSON *parsed = cJSON_Parse(json_str);
      cJSON *name = cJSON_GetObjectItem(parsed, "name");
      printf("Parsed name: %s\n", name->valuestring);
  
      cJSON_Delete(root);
      cJSON_Delete(parsed);
      free(json_str);
  
      return 0;
  }
  

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• Compilation Instructions

  Compile the program using GCC:

  gcc test.c -lcjson -o test_json
  

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• Running the Program

  ./test_json
  

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  Expected Output:

  Generated JSON:
  {
      "name": "Alice",
      "age": 25
  }
  Parsed name: Alice
  

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⁠Question and answering

If you have any questions or want to use some special features, please submit an issue or a pull request on openeuler-docker-images⁠.