Re: [Dev-C++] strcpy x pointer array

[Zodiaq <zo...@ac...>]

Hello André and all Dev-C++ users,

Friday, March 7, 2003, 12:27:42 AM, André wrote as follows:

AMB> 1. Please consider the following piece of code

AMB>    #include <stdio.h>
AMB>    #include <string.h>
AMB>    ...
AMB>    int main()
AMB>    {
AMB>       char *vect[100];

AMB>       ...
AMB>       /* line x */ vect[3]="text";
AMB>       ...
AMB>       /* line y */ strcpy(vect[3], "text");
AMB>       ...
AMB>    }
AMB>    ...

AMB> 2. Both commands in lines x and y don´t gererate any compilation errors;

AMB> 3. The command in line x works fine;

You are asigning a new value for pointer at vect[3] which is ok...

AMB> 4. Why the command in line y generates an execution error interrupting the
AMB> execution of
AMB>    the program?

You are copying string "text" to const value "text" - pointer from
line x points at this...

Before line y, first get some space to hold new data:
vect[3]= new char[ strlen( "text" )];
now strcpy should work fine


-- 
regards, Zodiaq