Run cppcheck static analyzer against code base. Fixed a few warnings.

scripts/runCppCheck.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+PROJECT_ROOT=$( cd "$(dirname ${BASH_SOURCE[0]})"/.. && pwd )
+echo $PROJECT_ROOT;
+
+SRC_DIR=$PROJECT_ROOT/src
+
+cd $SRC_DIR;
+
+cppcheck --version
+
+IGNORE_DIRS=" -i ./attic "
+IGNORE_DIRS+="-i ./drivers/sdl "
+#IGNORE_DIRS+="-i ./drivers/win "
+
+cppcheck --force $IGNORE_DIRS .

src/CMakeLists.txt

@@ -364,14 +364,6 @@ endif()
 include_directories( ${CMAKE_SOURCE_DIR}/src )
 include_directories( ${CMAKE_SOURCE_DIR}/src/drivers )
 
-if(APPLE)
-  add_definitions( -DPSS_STYLE=1 )
-else(APPLE)
-  if(UNIX)
-    add_definitions( -DPSS_STYLE=1 )
-  endif(UNIX)
-endif(APPLE)
-
 set(SRC_CORE
 	${CMAKE_CURRENT_SOURCE_DIR}/asm.cpp
   	${CMAKE_CURRENT_SOURCE_DIR}/cart.cpp

src/drivers/Qt/NetPlay.cpp

@@ -168,12 +168,12 @@ int NetPlayServer::sendRomLoadReq( NetPlayClient *client )
 			filepath = GameInfo->filename;
 		}
 	}
-	printf("Prep ROM Load Request: %s \n", filepath );
 
 	if (filepath == nullptr)
 	{
 		return -1;
 	}
+	printf("Prep ROM Load Request: %s \n", filepath );
 	FILE *fp = ::fopen( filepath, "r");
 
 	if (fp == nullptr)

src/filter.cpp

@@ -167,10 +167,10 @@ int32 NeoFilterSound(int32 *in, int32 *out, uint32 inlen, int32 *leftover)
 
 void MakeFilters(int32 rate)
 {
- const int32 *tabs[6]={C44100NTSC,C44100PAL,C48000NTSC,C48000PAL,C96000NTSC,
-        C96000PAL};
- const int32 *sq2tabs[6]={SQ2C44100NTSC,SQ2C44100PAL,SQ2C48000NTSC,SQ2C48000PAL,
-	SQ2C96000NTSC,SQ2C96000PAL};
+ const int32 *tabs[8]={C44100NTSC,C44100PAL,C48000NTSC,C48000PAL,C96000NTSC,
+        C96000PAL, nullptr, nullptr};
+ const int32 *sq2tabs[8]={SQ2C44100NTSC,SQ2C44100PAL,SQ2C48000NTSC,SQ2C48000PAL,
+	SQ2C96000NTSC,SQ2C96000PAL, nullptr, nullptr};
 
  const int32 *tmp;
  int32 x;

src/input/shadow.cpp

@@ -22,14 +22,7 @@
 #include        <stdlib.h>
 
 #include        "share.h"
-
-typedef struct {
-        uint32 mzx,mzy,mzb;
-        int zap_readbit;
-        int bogo;
-        int zappo;
-        uint64 zaphit;
-} ZAPPER;
+#include        "zapper.h"
 
 static ZAPPER ZD;
 

src/palettes/conv.cpp

@@ -60,7 +60,7 @@ static uint8 rp2c05004_colortable[] =
 };
 
 
-main()
+int main(int argc, char *argv[])
 {
  int x;
  for(x=0;x<64;x++)
@@ -71,4 +71,5 @@ main()
 				 palette[rp2c04001_colortable[x]&0x3F].g,
 				 palette[rp2c04001_colortable[x]&0x3F].b);
  }
+ return 0;
 }

src/types.h

@@ -96,9 +96,6 @@ typedef uint32_t uint32;
  #define GINLINE			/* Can't declare a function INLINE
 					   and global in MSVC.  Bummer.
 					*/
- #define PSS_STYLE 2			/* Does MSVC compile for anything
-					   other than Windows/DOS targets?
-					*/
 
  #if _MSC_VER >= 1300
   #pragma warning(disable:4244) //warning C4244: '=' : conversion from 'uint32' to 'uint8', possible loss of data
@@ -110,6 +107,17 @@ typedef uint32_t uint32;
  #endif
 #endif
 
+#if defined(__linux__) || defined(__APPLE__) || defined(__unix__)
+
+ #define PSS_STYLE 1
+
+#elif defined(MSVC)
+
+ #define PSS_STYLE 2			/* Does MSVC compile for anything
+					   other than Windows/DOS targets?
+					*/
+#endif
+
 #if PSS_STYLE==2
 
 #define PSS "\\"