gcc/testsuite/gcc.dg/pr59350.c

   1 /* PR debug/59350 */
   2 /* Testcase by Ryan Mansfield <rmansfield@qnx.com> */
   3
   4 /* { dg-do compile } */
   5 /* { dg-options "-O -g" } */
   6
   7 typedef union
   8 {
   9   char b[2];
  10   short NotAnInteger;
  11 }
  12 mDNSOpaque16;
  13 typedef mDNSOpaque16 mDNSIPPort;
  14 typedef struct
  15 {
  16 }
  17 mDNSAddr;
  18 typedef struct DNSQuestion_struct DNSQuestion;
  19 typedef struct mDNS_struct mDNS;
  20 typedef struct __attribute__ ((__packed__))
  21 {
  22   mDNSOpaque16 id;
  23   mDNSOpaque16 flags;
  24 }
  25
  26 DNSMessageHeader;
  27 typedef struct __attribute__ ((__packed__))
  28 {
  29   DNSMessageHeader h;
  30 }
  31
  32 DNSMessage;
  33 struct DNSQuestion_struct
  34 {
  35   DNSQuestion *next;
  36   long LastQTime;
  37   mDNSOpaque16 TargetQID;
  38 };
  39 struct mDNS_struct
  40 {
  41   long timenow;
  42   DNSQuestion *Questions;
  43 };
  44 extern long mDNSPlatformOneSecond;
  45 typedef enum
  46 {
  47   kDNSFlag0_QR_Mask = 0x80, kDNSFlag0_QR_Query = 0x00, kDNSFlag0_QR_Response =
  48     0x80, kDNSFlag0_OP_Mask = 0x78, kDNSFlag0_OP_StdQuery =
  49     0x00, kDNSFlag0_OP_Iquery = 0x08, kDNSFlag0_OP_Status =
  50     0x10, kDNSFlag0_OP_Unused3 = 0x18, kDNSFlag0_OP_Notify =
  51     0x20, kDNSFlag0_OP_Update = 0x28, kDNSFlag0_QROP_Mask =
  52     kDNSFlag0_QR_Mask | kDNSFlag0_OP_Mask, kDNSFlag0_AA = 0x04, kDNSFlag0_TC =
  53     0x02, kDNSFlag0_RD = 0x01, kDNSFlag1_RA = 0x80, kDNSFlag1_Zero =
  54     0x40, kDNSFlag1_AD = 0x20, kDNSFlag1_CD = 0x10, kDNSFlag1_RC_Mask =
  55     0x0F, kDNSFlag1_RC_NoErr = 0x00, kDNSFlag1_RC_FormErr =
  56     0x01, kDNSFlag1_RC_ServFail = 0x02, kDNSFlag1_RC_NXDomain =
  57     0x03, kDNSFlag1_RC_NotImpl = 0x04, kDNSFlag1_RC_Refused =
  58     0x05, kDNSFlag1_RC_YXDomain = 0x06, kDNSFlag1_RC_YXRRSet =
  59     0x07, kDNSFlag1_RC_NXRRSet = 0x08, kDNSFlag1_RC_NotAuth =
  60     0x09, kDNSFlag1_RC_NotZone = 0x0A
  61 }
  62 TSIG_ErrorCode;
  63 void
  64 uDNS_ReceiveMsg (mDNS * const m, DNSMessage * const msg,
  65                  const char * const end, const mDNSAddr * const srcaddr,
  66                  const mDNSIPPort srcport)
  67 {
  68   DNSQuestion *qptr;
  69   char StdR = kDNSFlag0_QR_Response | kDNSFlag0_OP_StdQuery;
  70   char QR_OP = (char) (msg->h.flags.b[0] & kDNSFlag0_QROP_Mask);
  71   if (QR_OP == StdR)
  72     {
  73      if (uDNS_ReceiveTestQuestionResponse (m, msg, end, srcaddr, srcport))
  74         return;
  75       for (qptr = m->Questions; qptr; qptr = qptr->next)
  76         if (msg->h.flags.b[0] & kDNSFlag0_TC
  77             && ((qptr->TargetQID).NotAnInteger == (msg->h.id).NotAnInteger)
  78             && m->timenow - qptr->LastQTime < (60 * mDNSPlatformOneSecond))
  79           {
  80           }
  81     }
  82 }