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| #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;
| if(argv!=2){
| fprintf(stderr, "Error. Usage: parsecmdline cmd1=1,cmd2=2,...\n");
| exit(1);
| }
| commands=(char *)malloc(10000*sizeof(char));
| backup=commands;
| 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;
| }
|
|
