Config option: pool

* formerly vmchooser_env in vmchooser.conf
* pool/vmchooser_env in vmchooser.conf
* -P/--pools command line option
* a virtual session will only be displayed if
  a) their pools attribute contains pool
  b) their pools attribute is unset/empty
  c) pool is unset/empty

* fix for segfault with invalid command line options

1 files changed, 7 insertions, 2 deletions

diff --git a/src/command_line_options.cpp b/src/command_line_options.cpp
index 4ee6520..61eb3ad 100644
--- a/src/command_line_options.cpp
+++ b/src/command_line_options.cpp
@@ -7,14 +7,16 @@ CommandLineOptions::CommandLineOptions(int argc, char * const argv[]) {
         static const struct option longOptions[] = {
             {"config", required_argument, NULL, 'c'},
             {"default", required_argument, NULL, 'd'},
+            {"pool", required_argument, NULL, 'P'},
             {"path", required_argument, NULL, 'p'},
             {"xpath", required_argument, NULL, 'x'},
             {"size", required_argument, NULL, 's'},
             {"version", no_argument, NULL, 'v'},
-            {"help", no_argument, NULL, 'h'}
+            {"help", no_argument, NULL, 'h'},
+            {0, 0, 0, 0}
         };
 
-        int opt = getopt_long(argc, argv, "c:d:p:x:s:vhb", longOptions, NULL);
+        int opt = getopt_long(argc, argv, "c:d:P:p:x:s:vhb", longOptions, NULL);
         if (opt == -1) break;
 
         switch (opt) {
@@ -24,6 +26,9 @@ CommandLineOptions::CommandLineOptions(int argc, char * const argv[]) {
         case 'd':
             options.insert("default", optarg);
             break;
+        case 'P':
+            options.insert("pool", optarg);
+            break;
         case 'p':
             options.insert("path", optarg);
             break;