envs.c

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "envs.h"
#include "log.h"

int get_sys_envs(char *envs, const char *delim_env, const char *delim_key, char *params_key[], char *env_name[], char * env_value[]) {
    char *tk;
    int params_cnt = 0;

    tk = strtok( envs, delim_env );
    while( tk != NULL && params_cnt < MAXPARAMSNUM ) {
        params_key[params_cnt++] = tk;
        tk = strtok( NULL, delim_env );
    }

    int cnt = 0;

    while( params_key[cnt] != NULL && cnt < params_cnt ){
      tk = strtok( params_key[cnt], delim_key );
      env_name[cnt] = strtok( NULL, delim_key );
      params_key[cnt] = tk;
      env_value[cnt] = getenv(env_name[cnt]) == NULL ? "NULL" : getenv(env_name[cnt]);
      cnt++;
    }
    return params_cnt;
}