From 7fb1cf1606c78c9d5b538f29176fd5a101726a9d Mon Sep 17 00:00:00 2001 From: Eric Blake Date: Wed, 18 Nov 2015 01:52:57 -0700 Subject: qapi: Don't let implicit enum MAX member collide Now that we guarantee the user doesn't have any enum values beginning with a single underscore, we can use that for our own purposes. Renaming ENUM_MAX to ENUM__MAX makes it obvious that the sentinel is generated. This patch was mostly generated by applying a temporary patch: |diff --git a/scripts/qapi.py b/scripts/qapi.py |index e6d014b..b862ec9 100644 |--- a/scripts/qapi.py |+++ b/scripts/qapi.py |@@ -1570,6 +1570,7 @@ const char *const %(c_name)s_lookup[] = { | max_index = c_enum_const(name, 'MAX', prefix) | ret += mcgen(''' | [%(max_index)s] = NULL, |+// %(max_index)s | }; | ''', | max_index=max_index) then running: $ cat qapi-{types,event}.c tests/test-qapi-types.c | sed -n 's,^// \(.*\)MAX,s|\1MAX|\1_MAX|g,p' > list $ git grep -l _MAX | xargs sed -i -f list The only things not generated are the changes in scripts/qapi.py. Rejecting enum members named 'MAX' is now useless, and will be dropped in the next patch. Signed-off-by: Eric Blake Message-Id: <1447836791-369-23-git-send-email-eblake@redhat.com> Reviewed-by: Juan Quintela [Rebased to current master, commit message tweaked] Signed-off-by: Markus Armbruster --- ui/input.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'ui/input.c') diff --git a/ui/input.c b/ui/input.c index a0f9873f59..006667b3d5 100644 --- a/ui/input.c +++ b/ui/input.c @@ -211,7 +211,7 @@ static void qemu_input_event_trace(QemuConsole *src, InputEvent *evt) name = QKeyCode_lookup[evt->u.key->key->u.qcode]; trace_input_event_key_qcode(idx, name, evt->u.key->down); break; - case KEY_VALUE_KIND_MAX: + case KEY_VALUE_KIND__MAX: /* keep gcc happy */ break; } @@ -228,7 +228,7 @@ static void qemu_input_event_trace(QemuConsole *src, InputEvent *evt) name = InputAxis_lookup[evt->u.abs->axis]; trace_input_event_abs(idx, name, evt->u.abs->value); break; - case INPUT_EVENT_KIND_MAX: + case INPUT_EVENT_KIND__MAX: /* keep gcc happy */ break; } @@ -430,7 +430,7 @@ void qemu_input_update_buttons(QemuConsole *src, uint32_t *button_map, InputButton btn; uint32_t mask; - for (btn = 0; btn < INPUT_BUTTON_MAX; btn++) { + for (btn = 0; btn < INPUT_BUTTON__MAX; btn++) { mask = button_map[btn]; if ((button_old & mask) == (button_new & mask)) { continue; -- cgit 1.4.1