QCAPCMD - Execute Command
Program: TESTCMD
* prototype for RunCmd procedure/function
D RunCmd PR 10i 0 Extproc('RUNCMD')
D cmdTxt * value options(*string)
D cmdErr * value
* set pointer for QUSEC data structure
D pQusec S *
D
* Data structure used for APIs (can be copied from
* QSYSINC/QRPGLESRC,QUSEC) The structure here has been
* modified from the one in QSYSINC to include the
* "variable" length data field Qdata.
DQUSEC DS
* Qus EC
D QUSBPRV 1 4B 0
* Bytes Provided
D QUSBAVL 5 8B 0
* Bytes Available
D QUSEI 9 15
* Exception Id
D QUSERVED 16 16
* Reserved
D*QUSED01 17 17
* Varying length
D Qdata 17 216
D
* pass in a single CL command up to 50 characters
C *entry Plist
C Parm Cmd 50
C
* add x'00' (NULL terminator) to string passed to pgm.
C Eval cmd = %trim(cmd) + x'00'
C
C callp RunCmd(%addr(cmd):
C %addr(Qusec))
C
C Eval *inlr = *on
C Return
Module: RUNCMD
H nomain
************************************************************************
* Command execution function *
************************************************************************
* prototype for RunCmd procedure/function
D RunCmd PR 10i 0
D cmdTxt * value options(*STRING)
D cmdErr * value
D
* Prototype for QCAPCMD API
D Qcapcmd PR Extpgm('QCAPCMD')
D cTxt 1000 options(*varsize) const
D cLen 10i 0 const
D cCtlBlk 20 const
D cCtlbLen 10i 0 const
D cCtlbName 8 const
D cChgCmd 1000
D cChgCmdAv 10i 0 const
D cChgCmdLen 10i 0
D cErr 216
D
* QCAPCMD structure
* For clarity I have included this structure in the source
* member but its probably better to just use /COPY to get it
* from QSYSINC.
D*****************************************************************
DQCAP0100 DS
* Qca PCMD CPOP0100
D QCACMDPT 1 4B 0
* Command Process Type
D QCABCSDH 5 5
* DBCS Data Handling
D QCAPA 6 6
* Prompter Action
D QCACMDSS 7 7
* Command String Syntax
D QCAMK 8 11
* Message Key
D QCAERVED 12 20
* Reserved
D* set pointer for QUSEC data structure
D pQusec S *
D
* QUSEC exception data structure
* This structure will need to be placed in the source member
* because we need to modify it to be BASED on the pQusec
* pointer.
* Also, the Qdata field was added to capture the varying
* length message data for the exception received (if any).
DQUSEC DS Based(pQusec)
* Qus EC
D QUSBPRV 1 4B 0
* Bytes Provided
D QUSBAVL 5 8B 0
* Bytes Available
D QUSEI 9 15
* Exception Id
D QUSERVED 16 16
* Reserved
D*QUSED01 17 17
* Varying length
D
D Qdata 17 216
************************************************************************
* RunCmd - Command execution procedure/function *
************************************************************************
P RunCmd b Export
D RunCmd PI 10i 0
D cmdTxt * value options(*string)
D cmdErr * value
D
* API parameter variables
D ChgCmdStr S 1000
D ChgCmdAv S 10i 0
D ChgCmdLen S 10i 0
D ctlBlkLen S 10i 0
* set pQusec to point at the QUSEC struct in the calling program
C Eval pQusec = cmdErr
* Set API default values
* the values used here are being used to make the QCAPCMD work
* in a manner most similar to QCMDEXC.
C Eval Qcacmdpt = 0
C Eval Qcabcsdh = '0'
C Eval Qcapa = '0'
C Eval Qcacmdss = '0'
C Eval Qcamk = *blanks
C Eval Qcaerved = x'000000000000000000'
C Eval ChgCmdStr = *blanks
C Eval ChgCmdAv = 1000
C Eval ChgCmdLen = 0
C Eval QusbPrv = 216
C Eval QusbAvl = 0
C Eval ctlBlkLen = 20
C
* execute the command
C Callp Qcapcmd(%str(cmdTxt):
C %len(%str(cmdTxt)):
C QCAP0100:ctlBlkLen:'CPOP0100':
C ChgCmdStr:
C ChgCmdAv:ChgCmdLen:Qusec)
C
* Return 0 if the command executed without errors
C If QUSBAVL = 0
C Return 0
C Else
C Return 1
C Endif
P RunCmd E
Thanks to Jeff Olen
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