VM66408: PEVM66349 IPV6 CHANGES IN IOCTL CAN CAUSE C COMPILE FAILURES

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• APAR VM66349 introduced TLS certificate API changes in IOCTL H
  that cause compile failures in C source not using IPv6.
  The changes in IOCTL H introduced Struct ValidationField that
  contains  "struct in6_addr v6Value". This field will cause
  compiler failures in older C source that is not using IPv6
  sockets and for which __IPV6 compiler directive are not
  specified. The compiler failure message is
  
  ERROR CCN3007 IOCTL H Q1:349 "struct in6_addr" is undefined.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: Any user who has installed APAR VM66349 and  *
  *                 who wants to compile C sockets applications  *
  *                 using the TLS certificate verification       *
  *                 support introduced by TCP/IP APAR PH18534 is *
  *                 affected by this z/VM Language Environment   *
  *                 change.                                      *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  ****************************************************************
  * RECOMMENDATION: APPLY PTF                                    *
  ****************************************************************
  Installing the APAR VM66349 update to IOCTL H can lead to C
  compile failures when compiling non-IPv6 enabled socket
  application source. The compile failure results in the
  termination of the source compile with the error message
  
    ERROR CCN3007 IOCTL H Q1:349   "struct in6_addr" is undefined.
  

Problem conclusion

• Conditional checks for the __IPV6 compiler directive have been
  added around IPv6 specific definitions in IOCTL H. This allows
  non-IPv6 sockets applications to compile as they did prior to
  APAR VM66349.
  
  ERRNO H is unchanged by this APAR but is included because it was
  part of APAR VM66349.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

  UM35684

Modules/Macros

• ERRNO    IOCTL
  

Fix information

• Fixed component name

  VM LE

• Fixed component ID

  568411220

Applicable component levels

• R620 PSY UM35684

     UP20/07/02 P 2001 {

Fix is available

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