iphlpapi: Check if getifaddrs really exists.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>

iphlpapi: Check if getifaddrs really exists.
7f23bbe7 · Alexandre Julliard · 4e49ae3c · 7f23bbe7 · 7f23bbe7 · 7f23bbe7
Commit 7f23bbe7 authored Jun 19, 2017 by Alexandre Julliard
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Showing with 6 additions and 1 deletion

configure configure +1 -0

configure.ac configure.ac +1 -0

ifenum.c dlls/iphlpapi/ifenum.c +1 -1

config.h.in include/config.h.in +3 -0

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--- a/configure
+++ b/configure
@@ -15403,6 +15403,7 @@ for ac_func in \
 	futimesat \
 	getattrlist \
 	getauxval \
+	getifaddrs \
 	getopt_long_only \
 	getpwuid \
 	gettimeofday \

--- a/configure.ac
+++ b/configure.ac
@@ -2047,6 +2047,7 @@ AC_CHECK_FUNCS(\
 	futimesat \
 	getattrlist \
 	getauxval \
+	getifaddrs \
 	getopt_long_only \
 	getpwuid \
 	gettimeofday \

--- a/dlls/iphlpapi/ifenum.c
+++ b/dlls/iphlpapi/ifenum.c
@@ -815,7 +815,7 @@ static DWORD getIPAddrRowByName(PMIB_IPADDRROW ipAddrRow, const char *ifName,
  return ret;
 }

-#ifdef HAVE_IFADDRS_H
+#if defined(HAVE_IFADDRS_H) && defined(HAVE_GETIFADDRS)

 /* Counts the IPv4 addresses in the system using the return value from
 * getifaddrs, returning the count.

--- a/include/config.h.in
+++ b/include/config.h.in
@@ -204,6 +204,9 @@
 /* Define to 1 if you have the `getauxval' function. */
 #undef HAVE_GETAUXVAL

+/* Define to 1 if you have the `getifaddrs' function. */
+#undef HAVE_GETIFADDRS
+
 /* Define to 1 if you have the `getnameinfo' function. */
 #undef HAVE_GETNAMEINFO