Hello tom_torfs!

01 Sep 03 07:00, Kurt Kuzba wrote to All:

 KK>     You have to have the pointer, of course!  To avoid accidentally
 KK>  attempts to free a null pointer on failure of the malloc(), you
 KK>  might wish to test the value of the pointer before calling free()
 KK>  or using the pointer to accept data intended for later use.
 KK>  Writing to a null pointer on an unprotected OS, such as DOS, is a
 KK>  very quick method for arriving at unexpected catastrophic failure.
 KK>  (I included fgets() lest the window shut too quick to be seen.)

Yes i know.

 KK> #include 
 KK> #include 
 KK> char* test()
 KK> {
 KK>    char* tmp = (char*)malloc(80);
 KK>    if(tmp) sprintf(tmp, "test");
 KK>    return tmp;
 KK> }
 KK> int main()
 KK> {
 KK>    char* cTmp, buf[16];
 KK>    printf("%s", cTmp = test());
 KK>    if(cTmp) free(cTmp);
 KK>    fgets(buf, 16, stdin);
 KK>    return 0;
 KK> }

Can't i avoid to have a extra pointer?

Regards,
Bo

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