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[posix] avoid compiler warning on use of strncpy (#6653)

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This commit is contained in:
Jonathan Hui
2021-05-20 18:30:35 -07:00
committed by GitHub
parent ed452ca4bd
commit ac75e9ea3b
1 changed files with 4 additions and 2 deletions
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src/posix/platform/infra_if.cpp
+4 -2
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@@ -258,7 +258,9 @@ bool InfraNetif::IsRunning(void) const
VerifyOrDie(sock != -1, OT_EXIT_ERROR_ERRNO);
memset(&ifReq, 0, sizeof(ifReq));
strncpy(ifReq.ifr_name, mInfraIfName, sizeof(ifReq.ifr_name));
static_assert(sizeof(ifReq.ifr_name) >= sizeof(mInfraIfName), "mInfraIfName is not of appropriate size.");
strcpy(ifReq.ifr_name, mInfraIfName);
VerifyOrDie(ioctl(sock, SIOCGIFFLAGS, &ifReq) != -1, OT_EXIT_ERROR_ERRNO);
close(sock);
@@ -274,7 +276,7 @@ void InfraNetif::Init(otInstance *aInstance, const char *aIfName)
VerifyOrExit(aIfName != nullptr);
VerifyOrDie(strnlen(aIfName, sizeof(mInfraIfName)) <= sizeof(mInfraIfName) - 1, OT_EXIT_INVALID_ARGUMENTS);
strncpy(mInfraIfName, aIfName, sizeof(mInfraIfName));
strcpy(mInfraIfName, aIfName);
// Initializes the infra interface.
ifIndex = if_nametoindex(aIfName);