Using exec call with uknown amount of args...

[GooMooPunch]

Hello,

I have a shell program with a function that handles external unix calls, but I can't figure out how to make it so I can use an exec call because the amount of arguments being sent to the function is different for different external commands...

int exCmdhandler(char* cmd, char* args[]){
pid_t child = fork();
if(child == 0)
if(execlp(cmd, cmd, NULL) == -1) {
printf("Error: %s\n", srerror(errno));
return 1;
}
else if(child != -1) {
int status;
waitpid(child, &status, 0);
}
return 0;
}
-----------
I've tried using execvp and passing the args array to it, but it gives me a Bad Address error...

 

[Salem]

The function you want is

int execv(const char *path, char *const argv[]);

So it would be used as

if(execv(cmd, args) == -1)

> but it gives me a Bad Address error...
Did you end your argv[] with a NULL, like so

char *args[] = {
  "hello",
  "world",
  NULL,
};

For better code formatting, please surround your code with [ignore]

[/ignore] tags

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