Bump cppcheck to v2.11

This fixes the following errors:-

sesman/tools/authtest.c:64:14: error: syntax error [syntaxError]
    g_printf("xrdp auth module tester v" PACKAGE_VERSION "\n");
             ^
sesman/tools/sesrun.c:165:14: error: syntax error [syntaxError]
    g_printf("xrdp session starter v" PACKAGE_VERSION "\n");
             ^
vrplayer/decoder.h:35:12: error: There is an unknown macro here somewhere. Configuration is required. If slots is a macro then please configure it. [unknownMacro]
    public slots:
           ^
vrplayer/playaudio.h:45:12: error: There is an unknown macro here somewhere. Configuration is required. If slots is a macro then please configure it. [unknownMacro]
    public slots:
           ^
vrplayer/dlgabout.h:22:13: error: There is an unknown macro here somewhere. Configuration is required. If slots is a macro then please configure it. [unknownMacro]
    private slots:
            ^
vrplayer/playvideo.h:49:12: error: There is an unknown macro here somewhere. Configuration is required. If slots is a macro then please configure it. [unknownMacro]
    public slots:
           ^
Additionally, cppcheck now makes use of all available CPUs

.github/workflows/build.yml

@@ -127,7 +127,7 @@ jobs:
       CC: gcc
       # This is required to use a version of cppcheck other than that
       # supplied with the operating system
-      CPPCHECK_VER: "2.10"
+      CPPCHECK_VER: "2.11"
       CPPCHECK_REPO: https://github.com/danmar/cppcheck.git
     steps:
       # Set steps.os.outputs.image to the specific OS (e.g. 'ubuntu20')

librfxcodec

@@ -1 +1 @@
-Subproject commit d8f126abc48a1b949a0be27b334099161c06f0fc
+Subproject commit c537401ac2fd5fa4671701f67367413feb51edff

scripts/run_cppcheck.sh

@@ -45,10 +45,16 @@ if [ -z "$CPPCHECK_FLAGS" ]; then
     CPPCHECK_FLAGS="--quiet --force --std=c11 --std=c++11 --inline-suppr \
                     --enable=warning --error-exitcode=1"
 fi
+CPPCHECK_FLAGS="$CPPCHECK_FLAGS -D__cppcheck__"
 
 # Any options/directories specified?
 if [ $# -eq 0 ]; then
-    set -- -j 2 .
+    if [ -f /proc/cpuinfo ]; then
+        cpus=$(grep '^processor' /proc/cpuinfo | wc -l)
+    else
+        cpus=2
+    fi
+    set -- -j $cpus .
 fi
 
 # Display the cppcheck version and command for debugging

sesman/tools/sesrun.c

@@ -42,6 +42,11 @@
 
 #include "libscp_connection.h"
 
+// cppcheck doesn't always set this macro to something in double-quotes
+#if defined(__cppcheck__)
+#undef PACKAGE_VERSION
+#endif
+
 #if !defined(PACKAGE_VERSION)
 #define PACKAGE_VERSION "???"
 #endif

sesman/verify_user_pam_userpass.c

@@ -42,7 +42,7 @@ int
 auth_userpass(const char *user, const char *pass, int *errorcode)
 {
     pam_handle_t *pamh;
-    pam_userpass_t userpass;
+    pam_userpass_t userpass = NULL;
     struct pam_conv conv = {pam_userpass_conv, &userpass};
     const void *template1;
     int status;

vrplayer/decoder.h

@@ -32,7 +32,7 @@ class Decoder : public QObject
 
     signals:
 
-    public slots:
+    public slots: // cppcheck-suppress unknownMacro
         void onGeometryChanged(QRect *geometry);
 };
 

vrplayer/dlgabout.h

@@ -19,7 +19,7 @@ class DlgAbout : public QDialog
     private:
         Ui::DlgAbout *ui;
 
-    private slots:
+    private slots: // cppcheck-suppress unknownMacro
         void onOk();
 };
 

vrplayer/playaudio.h

@@ -42,7 +42,7 @@ class PlayAudio : public QObject
 
         void setVcrOp(int op);
 
-    public slots:
+    public slots: // cppcheck-suppress unknownMacro
         void play();
 
     private:

vrplayer/playvideo.h

@@ -46,7 +46,7 @@ class PlayVideo : public QObject
         //void setVcrOp(int op);
         //void onMediaRestarted();
 
-    public slots:
+    public slots: // cppcheck-suppress unknownMacro
         void play();
 
         //signals: