78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
/*++
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Copyright (c) 1992-1997 Microsoft Corporation
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Module Name:
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vb.c
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Abstract:
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Contains routines to manipulate variable bindings.
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SnmpUtilVarBindCpy
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SnmpUtilVarBindFree
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Environment:
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User Mode - Win32
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--*/
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// Include files //
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#include <snmp.h>
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#include <snmputil.h>
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// Public Procedures //
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SNMPAPI SNMP_FUNC_TYPE SnmpUtilVarBindCpy(SnmpVarBind * pVbDst, SnmpVarBind * pVbSrc)
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/*++
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Routine Description:
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Copies a variable binding.
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Arguments:
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pVbDst - pointer to structure to receive VarBind.
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pVbSrc - pointer to VarBind to copy.
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Return Values:
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Returns SNMPAPI_NOERROR if successful.
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--*/
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{
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SNMPAPI nResult = SNMPAPI_ERROR;
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// validate pointer
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if (pVbDst != NULL) {
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pVbDst->value.asnType = ASN_NULL;// initialize destination
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if (pVbSrc != NULL) {// validate pointer
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nResult = SnmpUtilOidCpy(&pVbDst->name, &pVbSrc->name);// copy the variable's name from source to destination
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if (nResult == SNMPAPI_NOERROR) {// validate return code
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// copy the variable's value from source to destination
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nResult = SnmpUtilAsnAnyCpy(&pVbDst->value, &pVbSrc->value);
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}
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} else {
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SNMPDBG((SNMP_LOG_WARNING, "SNMP: API: copying null varbind.\n"));
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nResult = SNMPAPI_NOERROR; // success..,
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}
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} else {
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SNMPDBG((SNMP_LOG_ERROR, "SNMP: API: null varbind pointer.\n"));
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SetLastError(ERROR_INVALID_PARAMETER);
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}
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if (nResult == SNMPAPI_ERROR) {// validate return code
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SnmpUtilVarBindFree(pVbDst);// release new variable
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}
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return nResult;
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}
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VOID SNMP_FUNC_TYPE SnmpUtilVarBindFree(SnmpVarBind * pVb )
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/*++
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Routine Description:
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Releases memory associated with variable binding.
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Arguments:
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pVb - pointer to VarBind to release.
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--*/
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{
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// validate
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if (pVb != NULL) {
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SnmpUtilOidFree(&pVb->name);// release variable name
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SnmpUtilAsnAnyFree(&pVb->value);// release variable value
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}
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} |