Re: [Dev-C++] Errorhandling

[Jason H. <jas...@bt...>]

You are trying to access an argv member that doesn't exist, in the strcpy()
function. The array starts at zero so with an empty command line only
argv[0] will be valid and it will contain the name of the executable.

Jason.

----- Original Message -----
From: "Christian Wallukat" <Chr...@vo...>
To: "CPP-Maillinglist (E-Mail)" <dev...@li...>
Sent: Thursday, October 18, 2001 1:40 PM
Subject: [Dev-C++] Errorhandling


> Hi list,
>
>
> I try to write a little Dos-tool.
> If I want to get the parameters and the user has no parameters specified I
> get an exception.
>
> I think the error comes if i call strlen() with an empty string...
>
> How can i handle this error, has anyone an idea ????
>
>
>
> ----------------Schnipp---------------------
>   //Get commandline
>              strcpy(szDatei, argv[1]); // ** try argv[0]**
>   for (nCount = 2; argc > nCount; ++nCount)
>   {
>                strcat(szDatei, " \0");
>                strcat(szDatei, argv[nCount]);
>   };
>
>   //Check Commandline
>   if (strlen(szDatei) <= 5)
>   {
>     printf("Wrong parameter !");
>   };
> -------------------Schnapp------------------
>
>
> Thanx for help
>
>
> Chris
>
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