Fix comments and usage output

[lttng-tools.git] / src / bin / lttng / utils.c

diff --git a/src/bin/lttng/utils.c b/src/bin/lttng/utils.c
index e993f0f7231c8c5b71ef6363e37598f5ba4bda5a..1f491db1b89e0095d33ce7ee603338f4f7f400c2 100644 (file)
--- a/src/bin/lttng/utils.c
+++ b/src/bin/lttng/utils.c
@@ -17,10 +17,12 @@
  */
 
 #include <stdlib.h>
+#include <ctype.h>
 
 #include <common/error.h>
 
 #include "conf.h"
+#include "utils.h"
 
 /*
  *  get_session_name
@@ -44,7 +46,33 @@ char *get_session_name(void)
                goto error;
        }
 
-error:
+       DBG2("Config file path found: %s", path);
        DBG("Session name found: %s", session_name);
        return session_name;
+
+error:
+       return NULL;
+}
+
+
+/*
+ * list_cmd_options
+ *
+ * Prints a simple list of the options available to a command. This is intended
+ * to be easily parsed for bash completion.
+ */
+void list_cmd_options(FILE *ofp, struct poptOption *options)
+{
+       int i;
+       struct poptOption *option = NULL;
+
+       for (i = 0; options[i].longName != NULL; i++) {
+               option = &options[i];
+
+               fprintf(ofp, "--%s\n", option->longName);
+
+               if (isprint(option->shortName)) {
+                       fprintf(ofp, "-%c\n", option->shortName);
+               }
+       }
 }