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Work around compiler error for breaking strict-aliasing rules

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This commit fixes the following warning on an ARM eabi/uClibc system.
helpers.c:86: error: dereferencing pointer 'a' does break strict-aliasing rules

The fix is trivial. Simply set IPv4 addressing scheme in the
struct ifreq instead of the struct sockaddr_in, whic is just
a pointer into the same ifreq anyway.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson committed 2012-09-26 23:10:53 +02:00
1 parent 814ff1f77e
commit 1fece1f9b5
1 file changed
+1 -1
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helpers.c
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@@ -83,7 +83,7 @@ void ifconfig(char *name, char *inet, char *mask, int up)
memset(&ifr, 0, sizeof (ifr)); memset(&ifr, 0, sizeof (ifr));
strlcpy(ifr.ifr_name, name, IFNAMSIZ); strlcpy(ifr.ifr_name, name, IFNAMSIZ);
a->sin_family = AF_INET; ifr.ifr_addr.sa_family = AF_INET;
if (up) { if (up) {
inet_aton(inet, &a->sin_addr); inet_aton(inet, &a->sin_addr);