>----- ------- Original Message ------- -----
>From: "liujd" <[EMAIL PROTECTED]>
>To: Multiple recipients of list ORACLE-L
><[EMAIL PROTECTED]>
>Sent: Tue, 25 Mar 2003 22:53:44
>
>i write two function .
>one is login function as login(char * password,int
>contextId).this
>function initialize the context environment .and
>login database.
>two is getGroupInfo(char * groupName,int
>contextId); this function is as
>his name to get one group information.And refer to
>ctx[contextId] in the
>login function initial
>the sql_context variable is declared in the *.h as
>following
>EXEC SQL BEGIN DECLARE SECTION;
> sql_context ctx[20];
>EXEC SQL END DECLARE SECTION;
>Now ,my question is in the function two(
>getGroupInfo() ) ,how to judge
>the ctx[contextId] has been initialized before used
>it?
>
>thanks in advance!
>
static char global_init = 0;
/* Initialized at compile-time */
login(..)
{
/* do stuff */
global_init = 1;
}
getGroupInfo()
{
if (!global_init)
{
fprintf(stderr, "Not logged on, get lost\n");
exit(1);
}
/* Now you're safe */
}
And reset global_init to 0 in the logoff function.
Regards,
Stephane Faroult
Oriole
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Author: Stephane Faroult
INET: [EMAIL PROTECTED]
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