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-rw-r--r--twin/workspace.cpp44
1 files changed, 25 insertions, 19 deletions
diff --git a/twin/workspace.cpp b/twin/workspace.cpp
index 7c36d24f5..0e78f0740 100644
--- a/twin/workspace.cpp
+++ b/twin/workspace.cpp
@@ -109,7 +109,10 @@ pid_t getCompositorPID() {
rewind (pFile);
size_t result = fread (buffer, 1, lSize, pFile);
fclose(pFile);
- kompmgrpid = atoi(buffer);
+ if (result > 0)
+ {
+ kompmgrpid = atoi(buffer);
+ }
}
free(filename);
@@ -1133,7 +1136,10 @@ void Workspace::slotReconfigure()
rewind (pFile);
size_t result = fread (buffer, 1, lSize, pFile);
fclose(pFile);
- kompmgrpid = atoi(buffer);
+ if (result > 0)
+ {
+ kompmgrpid = atoi(buffer);
+ }
}
free(filename);
@@ -1921,9 +1927,9 @@ void Workspace::killWindowId( Window window_to_kill )
client = findClient( FrameIdMatchPredicate( window ));
if( client != NULL ) // found the client
break;
- Window parent = NULL;
- Window root = NULL;
- Window* children = NULL;
+ Window parent = 0L;
+ Window root = 0L;
+ Window* children = 0L;
unsigned int children_count;
XQueryTree( tqt_xdisplay(), window, &root, &parent, &children, &children_count );
if( children != NULL )
@@ -1931,7 +1937,7 @@ void Workspace::killWindowId( Window window_to_kill )
if( window == root ) // we didn't find the client, probably an override-redirect window
break;
window = parent; // go up
- if( window == NULL )
+ if( window == 0L )
break;
}
if( client != NULL )
@@ -1951,9 +1957,9 @@ void Workspace::suspendWindowId( Window window_to_suspend )
client = findClient( FrameIdMatchPredicate( window ));
if( client != NULL ) // found the client
break;
- Window parent = NULL;
- Window root = NULL;
- Window* children = NULL;
+ Window parent = 0L;
+ Window root = 0L;
+ Window* children = 0L;
unsigned int children_count;
XQueryTree( tqt_xdisplay(), window, &root, &parent, &children, &children_count );
if( children != NULL )
@@ -1961,7 +1967,7 @@ void Workspace::suspendWindowId( Window window_to_suspend )
if( window == root ) // we didn't find the client, probably an override-redirect window
break;
window = parent; // go up
- if( window == NULL )
+ if( window == 0L )
break;
}
if( client != NULL )
@@ -1981,9 +1987,9 @@ void Workspace::resumeWindowId( Window window_to_resume )
client = findClient( FrameIdMatchPredicate( window ));
if( client != NULL ) // found the client
break;
- Window parent = NULL;
- Window root = NULL;
- Window* children = NULL;
+ Window parent = 0L;
+ Window root = 0L;
+ Window* children = 0L;
unsigned int children_count;
XQueryTree( tqt_xdisplay(), window, &root, &parent, &children, &children_count );
if( children != NULL )
@@ -1991,7 +1997,7 @@ void Workspace::resumeWindowId( Window window_to_resume )
if( window == root ) // we didn't find the client, probably an override-redirect window
break;
window = parent; // go up
- if( window == NULL )
+ if( window == 0L )
break;
}
if( client != NULL )
@@ -2012,9 +2018,9 @@ bool Workspace::isResumeableWindowID( Window window_to_check )
client = findClient( FrameIdMatchPredicate( window ));
if( client != NULL ) // found the client
break;
- Window parent = NULL;
- Window root = NULL;
- Window* children = NULL;
+ Window parent = 0L;
+ Window root = 0L;
+ Window* children = 0L;
unsigned int children_count;
XQueryTree( tqt_xdisplay(), window, &root, &parent, &children, &children_count );
if( children != NULL )
@@ -2022,7 +2028,7 @@ bool Workspace::isResumeableWindowID( Window window_to_check )
if( window == root ) // we didn't find the client, probably an override-redirect window
break;
window = parent; // go up
- if( window == NULL )
+ if( window == 0L )
break;
}
if( client != NULL )
@@ -2824,7 +2830,7 @@ void Workspace::startKompmgr()
return;
}
pid_t kompmgrpid = getCompositorPID();
- if (kill(kompmgrpid, 0) >= 0)
+ if (kompmgrpid && kill(kompmgrpid, 0) >= 0)
{
// Active PID file detected; do not attempt to restart
return;