Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdesdk@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 124 insertions, 0 deletions

diff --git a/kstartperf/kstartperf.cpp b/kstartperf/kstartperf.cpp
new file mode 100644
index 00000000..3f029b62
--- /dev/null
+++ b/kstartperf/kstartperf.cpp
@@ -0,0 +1,124 @@
+/* vi: ts=8 sts=4 sw=4
+ *
+ * $Id$
+ *
+ * This file is part of the KDE project, module kstartperf.
+ * Copyright (C) 2000 Geert Jansen <jansen@kde.org> 
+ *
+ * You can freely redistribute this program under the "Artistic License".
+ * See the file "LICENSE.readme" for the exact terms.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/time.h>
+
+#include <qstring.h>
+#include <qtextstream.h>
+#include <qfile.h>
+
+#include <kapplication.h>
+#include <kaboutdata.h>
+#include <kcmdlineargs.h>
+#include <klocale.h>
+#include <kstandarddirs.h>
+
+
+static KCmdLineOptions options[] = 
+{
+    { "+command", I18N_NOOP("Specifies the command to run"), 0 },
+    KCmdLineLastOption
+};
+
+
+QString libkstartperf()
+{
+    QString lib = QString::null;
+    QString la_file = locate("lib", "libkstartperf.la");
+
+    if (la_file.isEmpty())
+	return lib;
+
+    // Find the name of the .so file by reading the .la file
+    QFile la(la_file);
+    if (la.open(IO_ReadOnly))
+    {
+	QTextStream is(&la);
+	QString line;
+
+	while (!is.atEnd())
+        {
+	    line = is.readLine();
+            if (line.left(15) == "library_names='")
+            {
+		lib = line.mid(15);
+                int pos = lib.find(" ");
+                if (pos > 0)
+		    lib = lib.left(pos);
+	    }
+	}
+
+        la.close();
+    }
+
+    // Look up the actual .so file.
+    lib = locate("lib", lib);
+    return lib;
+}
+
+
+int main(int argc, char **argv)
+{
+    KAboutData aboutData("kstartperf", I18N_NOOP("KStartPerf"),
+	    "1.0", I18N_NOOP("Measures start up time of a KDE application"),
+	    KAboutData::License_Artistic, 
+	    "Copyright (c) 2000 Geert Jansen and libkmapnotify authors");
+    aboutData.addAuthor("Geert Jansen", I18N_NOOP("Maintainer"),
+	    "jansen@kde.org", "http://www.stack.nl/~geertj/");
+
+    KCmdLineArgs::init(argc, argv, &aboutData);
+    KCmdLineArgs::addCmdLineOptions(options);
+    KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
+
+    KApplication *app = new KApplication(false, false);
+
+    // Check arguments
+
+    if (args->count() == 0)
+    {
+	fprintf(stderr, "No command specified!\n");
+	fprintf(stderr, "usage: kstartperf command [arguments]\n");
+	exit(1);
+    }
+    
+    // Build command
+
+    char cmd[1024];
+    sprintf(cmd, "LD_PRELOAD=%s %s", libkstartperf().latin1(), args->arg(0));
+    for (int i=1; i<args->count(); i++)
+    {
+	strcat(cmd, " ");
+	strcat(cmd, args->arg(i));
+    }
+
+    // Put the current time in the environment variable `KSTARTPERF'
+
+    struct timeval tv;
+    if (gettimeofday(&tv, 0L) != 0)
+    {
+	perror("gettimeofday()");
+	exit(1);
+    }
+    char env[100];
+    sprintf(env, "KSTARTPERF=%ld:%ld", tv.tv_sec, tv.tv_usec);
+    putenv(env);
+
+    // And exec() the command
+
+    execl("/bin/sh", "sh", "-c", cmd, (void *)0);
+
+    perror("execl()");
+    exit(1);
+}