11   char  *content    = NULL;  in read_file()  local
22     content = (char *)malloc((size_t)length + sizeof(""));  in read_file()
24     read_chars          = fread(content, sizeof(char), (size_t)length, file);  in read_file()
25     content[read_chars] = '\0';  in read_file()
28   return content;  in read_file()
31 void write_file(const char *filename, const char *content)  in write_file()  argument
35   if (file) fputs(content, file);  in write_file()
41   char        *content     = read_file(inputjsonfile);  in ParseJSON()  local
47   if (!content) return 0;  in ParseJSON()
48   matrix_json = cJSON_Parse(content);  in ParseJSON()
69   free(content);  in ParseJSON()
78   char  *content     = read_file(inputjsonfile);  in UpdateJSON()  local
82   if (!content) return 0;  in UpdateJSON()
83   matrix_json = cJSON_Parse(content);  in UpdateJSON()
111   free(content);  in UpdateJSON()
112   content = cJSON_Print(matrix_json);  in UpdateJSON()
113   write_file(inputjsonfile, content);  in UpdateJSON()
115   free(content);  in UpdateJSON()