use comphelper::rng::uniform_*_distribution everywhere

and automatically seed from time on first use

coverity#1242393 Don't call rand
coverity#1242404 Don't call rand
coverity#1242410 Don't call rand and additionally allow 0xFF as a value
coverity#1242409 Don't call rand
coverity#1242399 Don't call rand
coverity#1242372 Don't call rand
coverity#1242377 Don't call rand
coverity#1242378 Don't call rand
coverity#1242379 Don't call rand
coverity#1242382 Don't call rand
coverity#1242383 Don't call rand
coverity#1242402 Don't call rand
coverity#1242397 Don't call rand
coverity#1242390 Don't call rand
coverity#1242389 Don't call rand
coverity#1242388 Don't call rand
coverity#1242386 Don't call rand
coverity#1242384 Don't call rand
coverity#1242394 Don't call rand

Change-Id: I241feab9cb370e091fd6ccaba2af941eb95bc7cf

1 files changed, 3 insertions, 5 deletions

diff --git a/desktop/source/deployment/misc/lockfile.cxx b/desktop/source/deployment/misc/lockfile.cxx
index 96d9dce076db..1f3d2f2a86ce 100644
--- a/desktop/source/deployment/misc/lockfile.cxx
+++ b/desktop/source/deployment/misc/lockfile.cxx
@@ -24,6 +24,7 @@
 #else
 #include <windows.h>
 #endif
+#include <comphelper/random.hxx>
 #include <sal/types.h>
 #include <osl/file.hxx>
 #include <osl/socket.hxx>
@@ -33,7 +34,6 @@
 
 #include "lockfile.hxx"
 
-
 using namespace ::osl;
 using namespace ::rtl;
 using namespace ::utl;
@@ -85,11 +85,9 @@ namespace desktop {
         // generate ID
         const int nIdBytes = 16;
         char tmpId[nIdBytes*2+1];
-        time_t t;
-        srand( (unsigned)(t = time( NULL )) );
-        int tmpByte = 0;
+        time_t t = time(NULL);
         for (int i = 0; i<nIdBytes; i++) {
-            tmpByte = rand( ) % 0xFF;
+            int tmpByte = comphelper::rng::uniform_int_distribution(0, 0xFF);
             sprintf( tmpId+i*2, "%02X", tmpByte );
         }
         tmpId[nIdBytes*2]=0x00;