03-11-2002
Exit Code in HP-UX KSH.
In one of my programs another process is called using the system command e.g.
lv_error = system("myproc");
where lv_error is declared as an int.
myproc would be returning 0 for success and 1 for failure. e.g.
if (success)
{
return(0);
}else{
return(1);
}
When the return code of myproc is examined in the shell via $? the value is reported correctly. When displayed in the calling C process a value of 0 or 1 is 256.
The man documentation is not very clear. It seems that 256 may correspond to -1 return code and that I should do some more checking after that.
Can anyone help?
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LEARN ABOUT PHP
odbc_prepare
ODBC_PREPARE(3) 1 ODBC_PREPARE(3)
odbc_prepare - Prepares a statement for execution
SYNOPSIS
resource odbc_prepare (resource $connection_id, string $query_string)
DESCRIPTION
Prepares a statement for execution. The result identifier can be used later to execute the statement with odbc_execute(3).
Some databases (such as IBM DB2, MS SQL Server, and Oracle) support stored procedures that accept parameters of type IN, INOUT, and OUT as
defined by the ODBC specification. However, the Unified ODBC driver currently only supports parameters of type IN to stored procedures.
PARAMETERS
o $connection_id
-The ODBC connection identifier, see odbc_connect(3) for details.
o $query_string
- The query string statement being prepared.
RETURN VALUES
Returns an ODBC result identifier if the SQL command was prepared successfully. Returns FALSE on error.
EXAMPLES
Example #1
odbc_execute(3) and odbc_prepare(3) example
In the following code, $success will only be TRUE if all three parameters to myproc are IN parameters:
<?php
$a = 1;
$b = 2;
$c = 3;
$stmt = odbc_prepare($conn, 'CALL myproc(?,?,?)');
$success = odbc_execute($stmt, array($a, $b, $c));
?>
If you need to call a stored procedure using INOUT or OUT parameters, the recommended workaround is to use a native extension for your
database (for example, mssql for MS SQL Server, or oci8 for Oracle).
SEE ALSO
odbc_execute(3).
PHP Documentation Group ODBC_PREPARE(3)