Prsecmdline.c in test directory. This file is to show how command line para...

Samo Penic

2014-09-02 a97daa5897994a0c02bae1602d58ec1f11ec2ce2

Prsecmdline.c in test directory. This file is to show how
command line parameters needs to be parsed.

 test/parsecmdline.c

New file
@@ -0,0 +1,42 @@
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
int main(int argv, char *argc[]){


    char *commands, *backup, *saveptr, *saveopptr, *command, *operator[2], *operand;
    int i,j;
    commands=(char *)malloc(10000*sizeof(char));
    backup=commands;
    if(argv!=2){
        fprintf(stderr, "Error. Usage: parsecmdline cmd1=1,cmd2=2,...\n");
        exit(1);
    }

    strcpy(commands,argc[1]);
	


    for(i=0; ;i++, commands=NULL){
        //breaks comma separated list of commands into specific commands.
        command=strtok_r(commands,",",&saveptr);	
        if(command==NULL) break;
        fprintf(stdout,"Command %d: %s\n",i,command);	
        //extracts name of command and value of command into operator[2] array.
        for(j=0; j<2;j++,command=NULL){
            operator[j]=strtok_r(command,"=",&saveopptr);
            if(operator[j]==NULL) break;
            fprintf(stdout," ---> Operator %d: %s\n",j,operator[j]);		
        }
        //1. check: must have 2 operators.
        if(j!=2) fprintf(stderr,"Error. Command no. %d is not formatted properly.\n",i);
        //2. check: must be named properly.
        //3. check: must be of right format (integer, double, string, ...)


    }

    free(backup);

return 0;
}