From 232379a07c7bdfc74271f2285d0a0a6fcb5887f1 Mon Sep 17 00:00:00 2001
From: Yakun Xu <xyk@google.com>
Date: Mon, 15 Oct 2018 16:56:22 +0800
Subject: [PATCH] [posix-app] fix warnings on macOS (#3158)

---
 src/posix/platform/radio_spinel.cpp | 6 +++---
 src/posix/platform/settings.cpp     | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/posix/platform/radio_spinel.cpp b/src/posix/platform/radio_spinel.cpp
index c6c4e6531..5a68e7997 100644
--- a/src/posix/platform/radio_spinel.cpp
+++ b/src/posix/platform/radio_spinel.cpp
@@ -360,7 +360,7 @@ static int OpenFile(const char *aFile, const char *aConfig)
         switch (cstopb)
         {
         case 1:
-            tios.c_cflag &= ~CSTOPB;
+            tios.c_cflag &= static_cast<unsigned long>(~CSTOPB);
             break;
         case 2:
             tios.c_cflag |= CSTOPB;
@@ -459,7 +459,7 @@ static int OpenFile(const char *aFile, const char *aConfig)
             break;
         }
 
-        VerifyOrExit((rval = cfsetspeed(&tios, speed)) == 0, perror("cfsetspeed"));
+        VerifyOrExit((rval = cfsetspeed(&tios, static_cast<speed_t>(speed))) == 0, perror("cfsetspeed"));
         VerifyOrExit((rval = tcsetattr(fd, TCSANOW, &tios)) == 0, perror("tcsetattr"));
         VerifyOrExit((rval = tcflush(fd, TCIOFLUSH)) == 0);
     }
@@ -1937,7 +1937,7 @@ void otPlatDiagProcess(otInstance *aInstance, int argc, char *argv[], char *aOut
 
     for (int index = 0; index < argc; index++)
     {
-        cur += snprintf(cur, end - cur, "%s ", argv[index]);
+        cur += snprintf(cur, static_cast<size_t>(end - cur), "%s ", argv[index]);
     }
 
     sRadioSpinel.PlatDiagProcess(cmd, aOutput, aOutputMaxLen);
diff --git a/src/posix/platform/settings.cpp b/src/posix/platform/settings.cpp
index 9a5e6d07e..c0754b6dd 100644
--- a/src/posix/platform/settings.cpp
+++ b/src/posix/platform/settings.cpp
@@ -247,7 +247,7 @@ otError otPlatSettingsAdd(otInstance *aInstance, uint16_t aKey, const uint8_t *a
     if (size > 0)
     {
         VerifyOrDie(0 == lseek(sSettingsFd, 0, SEEK_SET));
-        swapWrite(swapFd, size);
+        swapWrite(swapFd, static_cast<uint16_t>(size));
     }
 
     VerifyOrDie(write(swapFd, &aKey, sizeof(aKey)) == sizeof(aKey) &&
@@ -290,7 +290,7 @@ otError otPlatSettingsDelete(otInstance *aInstance, uint16_t aKey, int aIndex)
             if (aIndex == 0)
             {
                 VerifyOrExit(offset == lseek(sSettingsFd, length, SEEK_CUR), error = OT_ERROR_PARSE);
-                swapWrite(swapFd, size - offset);
+                swapWrite(swapFd, static_cast<uint16_t>(size - offset));
                 error = OT_ERROR_NONE;
                 break;
             }