[parseopt] Add support for boolean options

Signed-off-by: Michael Brown <mcb30@ipxe.org>

diff --git a/src/core/parseopt.c b/src/core/parseopt.c
index 451ebaf5401f10443fdaf83c3f43dd0212821d24..24a57624466b18ac290e432fcde385b2e9d21879 100644 (file)
--- a/src/core/parseopt.c
+++ b/src/core/parseopt.c
@@ -125,6 +125,21 @@ int parse_image ( const char *text, struct image **image ) {
        return 0;
 }
 
+/**
+ * Parse flag
+ *
+ * @v text             Text (ignored)
+ * @ret flag           Flag to set
+ * @ret rc             Return status code
+ */
+int parse_flag ( const char *text __unused, int *flag ) {
+
+       /* Set flag */
+       *flag = 1;
+
+       return 0;
+}
+
 /**
  * Print command usage message
  *

diff --git a/src/include/ipxe/parseopt.h b/src/include/ipxe/parseopt.h
index 4cad3cca62a200d6bfa40b70c66f2b6c685f5afd..eed40b76999011aa37559696a8792f800f2bc7c8 100644 (file)
--- a/src/include/ipxe/parseopt.h
+++ b/src/include/ipxe/parseopt.h
@@ -118,6 +118,7 @@ extern int parse_string ( const char *text, const char **value );
 extern int parse_integer ( const char *text, unsigned int *value );
 extern int parse_netdev ( const char *text, struct net_device **netdev );
 extern int parse_image ( const char *text, struct image **image );
+extern int parse_flag ( const char *text __unused, int *flag );
 extern void print_usage ( struct command_descriptor *cmd, char **argv );
 extern int parse_options ( int argc, char **argv,
                           struct command_descriptor *cmd, void *opts );