shithub: openh264

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Remove some unnecessary STRNCPY/WelsStrncpy calls and intermediate buffers

--- a/codec/decoder/plus/src/welsCodecTrace.cpp

+++ b/codec/decoder/plus/src/welsCodecTrace.cpp

@@ -59,19 +59,14 @@

 int32_t  CWelsTraceBase::Trace (const int kLevel, const str_t* kpFormat, va_list pVl) {

   if (kLevel & m_iLevel) {

-    str_t chWStrFormat[MAX_LOG_SIZE] = {0};

     str_t chBuf[MAX_LOG_SIZE] = {0};

-    str_t chResult[MAX_LOG_SIZE] = {0};

     const int32_t kLen	= WelsStrnlen ((const str_t*)"[DECODER]: ", MAX_LOG_SIZE);

-    WelsStrncpy (chWStrFormat, MAX_LOG_SIZE, (const str_t*)kpFormat, WelsStrnlen ((const str_t*)kpFormat, MAX_LOG_SIZE));

-

     WelsStrncpy (chBuf, MAX_LOG_SIZE, (const str_t*)"[DECODER]: ", kLen);

     WelsVsnprintf ((chBuf + kLen),  MAX_LOG_SIZE - kLen, (const str_t*)kpFormat, pVl);

-    WelsStrncpy (chResult, MAX_LOG_SIZE, (const str_t*)chBuf, WelsStrnlen ((const str_t*)chBuf, MAX_LOG_SIZE));

-    WriteString (kLevel, chResult);

+    WriteString (kLevel, chBuf);

   }

   return 0;

--- a/codec/encoder/plus/src/welsCodecTrace.cpp

+++ b/codec/encoder/plus/src/welsCodecTrace.cpp

@@ -119,19 +119,15 @@

     return;

   }

-  str_t WStr_Format[MAX_LOG_SIZE] = {0};

   str_t pBuf[MAX_LOG_SIZE] = {0};

-  str_t cResult[MAX_LOG_SIZE] = {0};

   const int32_t len	= STRNLEN ("[ENCODER]: ", MAX_LOG_SIZE);	// confirmed_safe_unsafe_usage

-  STRNCPY (WStr_Format, MAX_LOG_SIZE, Str_Format, STRNLEN (Str_Format, MAX_LOG_SIZE));	// confirmed_safe_unsafe_usage

   STRNCPY (pBuf, MAX_LOG_SIZE, "[ENCODER]: ", len);	// confirmed_safe_unsafe_usage

-  WelsVsnprintf (pBuf + len, MAX_LOG_SIZE - len, WStr_Format, vl);	// confirmed_safe_unsafe_usage

-  STRNCPY (cResult, MAX_LOG_SIZE, pBuf, STRNLEN (pBuf, MAX_LOG_SIZE));	// confirmed_safe_unsafe_usage

+  WelsVsnprintf (pBuf + len, MAX_LOG_SIZE - len, Str_Format, vl);	// confirmed_safe_unsafe_usage

-//		g_WelsCodecTrace.TraceString(iLevel, cResult);

-  welsCodecTrace::TraceString (iLevel, cResult);

+//		g_WelsCodecTrace.TraceString(iLevel, pBuf);

+  welsCodecTrace::TraceString (iLevel, pBuf);

 }

 void welsCodecTrace::SetTraceLevel (const int32_t iLevel) {