pam_getenv

Tomas Mraz tmraz at redhat.com
Fri Nov 28 08:15:12 UTC 2008


On Fri, 2008-11-28 at 11:55 +0530, Sudarshan Soma wrote:
> Hi All, Iam using pam_getenv in my PAM application. Can anyone please
> let me know should i free the memory pointed to const char in my
> application or its take care by libpam.
> 
> I am bit confused. As per Documentation, it says the application
> should free it. Is that true. Please advice.
> 
>  buf = pam_getenv(pamh,"PRIMARY");
>         if(buf != NULL && buf[0] != '\0' ) {
>             if (strcmp(buf, "TRUE") == 0) {
>                 printf("success\n ");
>             }
>         }
> 
>         if (buf) {
>             //free(buf); // is this reqd???
>         }

No, it must not be be freed, the pointer is pointing to memory managed
by the pam library itself and freed on pam_end() call.
-- 
Tomas Mraz
No matter how far down the wrong road you've gone, turn back.
                                              Turkish proverb




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