iphlpapi: Cast caddr_t to char* before doing pointer arithmetic.

Signed-off-by: Alex Henrie <alexhenrie24@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

iphlpapi: Cast caddr_t to char* before doing pointer arithmetic.
9b626f51 · Alex Henrie · Alexandre Julliard · 8b864ae9 · 9b626f51
Commit 9b626f51 authored Jun 28, 2018 by Alex Henrie Committed by Alexandre Julliard Jun 28, 2018
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ifenum.c dlls/iphlpapi/ifenum.c +4 -4

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--- a/dlls/iphlpapi/ifenum.c
+++ b/dlls/iphlpapi/ifenum.c
@@ -1013,13 +1013,13 @@ static DWORD enumIPAddresses(PDWORD pcAddresses, struct ifconf *ifc)

    if (ioctlRet == 0) {
      ifPtr = ifc->ifc_buf;
-      while (ifPtr && ifPtr < ifc->ifc_buf + ifc->ifc_len) {
+      while (ifPtr && (char *)ifPtr < ifc->ifc_buf + ifc->ifc_len) {
        struct ifreq *ifr = (struct ifreq *)ifPtr;

        if (ifr->ifr_addr.sa_family == AF_INET)
          numAddresses++;

-        ifPtr += ifreq_len((struct ifreq *)ifPtr);
+        ifPtr = (char *)ifPtr + ifreq_len((struct ifreq *)ifPtr);
      }
    }
    else
@@ -1074,10 +1074,10 @@ DWORD getIPAddrTable(PMIB_IPADDRTABLE *ppIpAddrTable, HANDLE heap, DWORD flags)
        ret = NO_ERROR;
        (*ppIpAddrTable)->dwNumEntries = numAddresses;
        ifPtr = ifc.ifc_buf;
-        while (!ret && ifPtr && ifPtr < ifc.ifc_buf + ifc.ifc_len) {
+        while (!ret && ifPtr && (char *)ifPtr < ifc.ifc_buf + ifc.ifc_len) {
          struct ifreq *ifr = (struct ifreq *)ifPtr;

-          ifPtr += ifreq_len(ifr);
+          ifPtr = (char *)ifPtr + ifreq_len(ifr);

          if (ifr->ifr_addr.sa_family != AF_INET)
             continue;