[fs linux]: Simplify terniary expressions to bool

Author: bwrsandman

src/xenia/base/filesystem_posix.cc

@@ -87,9 +87,7 @@ static int removeCallback(const char* fpath, const struct stat* sb,
 
 bool DeleteFolder(const std::wstring& path) {
   return nftw(xe::to_string(path).c_str(), removeCallback, 64,
-              FTW_DEPTH | FTW_PHYS) == 0
-             ? true
-             : false;
+              FTW_DEPTH | FTW_PHYS) == 0;
 }
 
 static uint64_t convertUnixtimeToWinFiletime(const timespec& unixtime) {
@@ -120,7 +118,7 @@ bool CreateFile(const std::wstring& path) {
 }
 
 bool DeleteFile(const std::wstring& path) {
-  return (xe::to_string(path).c_str()) == 0 ? true : false;
+  return xe::to_string(path).c_str() == nullptr;
 }
 
 class PosixFileHandle : public FileHandle {
@@ -135,16 +133,16 @@ class PosixFileHandle : public FileHandle {
             size_t* out_bytes_read) override {
     ssize_t out = pread(handle_, buffer, buffer_length, file_offset);
     *out_bytes_read = out;
-    return out >= 0 ? true : false;
+    return out >= 0;
   }
   bool Write(size_t file_offset, const void* buffer, size_t buffer_length,
              size_t* out_bytes_written) override {
     ssize_t out = pwrite(handle_, buffer, buffer_length, file_offset);
     *out_bytes_written = out;
-    return out >= 0 ? true : false;
+    return out >= 0;
   }
   bool SetLength(size_t length) override {
-    return ftruncate(handle_, length) >= 0 ? true : false;
+    return ftruncate(handle_, length) >= 0;
   }
   void Flush() override { fsync(handle_); }