Fix code style.

3 files changed, 8 insertions, 4 deletions

diff --git a/src/utils/mkdir.cpp b/src/utils/mkdir.cpp
index 4632bec84..f73af6db5 100644
--- a/src/utils/mkdir.cpp
+++ b/src/utils/mkdir.cpp
@@ -54,6 +54,9 @@ int mkdir_r(const char *pathname)
 
     int len = static_cast<int>(strlen(tmp));
 
+    if (len < 1)
+        return -1;
+
     // terminate the pathname with '/'
     if (tmp[len - 1] != '/')
     {
diff --git a/src/utils/process.cpp b/src/utils/process.cpp
index b02874b0d..3a742b313 100644
--- a/src/utils/process.cpp
+++ b/src/utils/process.cpp
@@ -86,9 +86,10 @@ bool execFile(std::string pathName, std::string name A_UNUSED,
     if (!arg2.empty())
         args += " " + arg2;
 
-    bool res = CreateProcess(pathName.c_str(), (char*)args.c_str(), nullptr,
-        nullptr, false, CREATE_DEFAULT_ERROR_MODE, nullptr, nullptr,
-        &siStartupInfo, &piProcessInfo);
+    bool res = CreateProcess(pathName.c_str(), const_cast<char*>(
+        args.c_str()), nullptr, nullptr, false,
+        CREATE_DEFAULT_ERROR_MODE, nullptr, nullptr, &siStartupInfo,
+        &piProcessInfo);
 
     CloseHandle(piProcessInfo.hProcess);
     CloseHandle(piProcessInfo.hThread);
diff --git a/src/utils/sha256.cpp b/src/utils/sha256.cpp
index 21ded486b..a56f6ec9a 100644
--- a/src/utils/sha256.cpp
+++ b/src/utils/sha256.cpp
@@ -279,7 +279,7 @@ std::string SHA256Hash(const char *src, int len)
     unsigned char bytehash[SHA256_DIGEST_SIZE];
     SHA256Context ctx;
     SHA256Init(&ctx);
-    SHA256Update(&ctx, (unsigned char *)(src),
+    SHA256Update(&ctx, static_cast<unsigned char *>(src),
         static_cast<unsigned int>(len));
     SHA256Final(&ctx, bytehash);
     // Convert it to hex