Changeset 16688 in vbox for trunk

Timestamp:

Feb 11, 2009 7:10:56 PM (16 years ago)

Author:

vboxsync

Message:

cbinding: Use stat() to check if a file exist (an alternative would be access()). Since this is sample code it need to be commented properly as well as clean (style).

File:

• trunk/src/VBox/Main/cbinding/tstLinuxC.c (modified) (3 diffs)

trunk/src/VBox/Main/cbinding/tstLinuxC.c

@@ -25 +25 @@
 #include <string.h>
 #include <stdlib.h>
+#include <sys/stat.h>
 #include "cbinding.h"
 
@@ -301 +302 @@
 {
     IVirtualBox *vbox           = NULL;
-    ISession  *session          = NULL;
-    PRUint32   revision         = 0;
-    PRUnichar *versionUtf16     = NULL;
-    PRUnichar *homefolderUtf16  = NULL;
-    nsresult rc;     /* Result code of various function (method) calls. */
-    FILE *fpsetenv;
-
-    if ((fpsetenv = fopen("/opt/VirtualBox/VBoxXPCOMC.so", "r")) != NULL) {
-        VBoxSetEnv("VBOX_APP_HOME","/opt/VirtualBox/");
-        fclose (fpsetenv);
-    }
-    if ((fpsetenv = fopen("/usr/lib/virtualbox/VBoxXPCOMC.so", "r")) != NULL) {
-        VBoxSetEnv("VBOX_APP_HOME","/usr/lib/virtualbox/");
-        fclose (fpsetenv);
+    ISession   *session          = NULL;
+    PRUint32    revision         = 0;
+    PRUnichar  *versionUtf16     = NULL;
+    PRUnichar  *homefolderUtf16  = NULL;
+    struct stat stIgnored;
+    nsresult    rc;     /* Result code of various function (method) calls. */
+
+    /*
+     * Guess where VirtualBox is installed not mentioned in the environment.
+     * (This will be moved to VBoxComInitialize later.)
+     */
+
+    if (!VBoxGetEnv("VBOX_APP_HOME"))
+    {
+        if (stat("/opt/VirtualBox/VBoxXPCOMC.so", &stIgnored) == 0)
+        {
+            VBoxSetEnv("VBOX_APP_HOME","/opt/VirtualBox/");
+        }
+        if (stat("/usr/lib/virtualbox/VBoxXPCOMC.so", &stIgnored) == 0)
+        {
+            VBoxSetEnv("VBOX_APP_HOME","/usr/lib/virtualbox/");
+        }
     }
 
@@ -335 +344 @@
     if (session == NULL)
     {
-        fprintf (stderr, "%s: FATAL: could not get session handle\n", argv[0]);
+        fprintf(stderr, "%s: FATAL: could not get session handle\n", argv[0]);
         return EXIT_FAILURE;
     }