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authorTed Gould <ted@gould.cx>2010-08-11 11:06:39 -0500
committerTed Gould <ted@gould.cx>2010-08-11 11:06:39 -0500
commit8bfbd55d1427fb23ab63d90df388c68799b3eaca (patch)
tree5c5fd34b3ced5ca95031f560db5827b75188e78f /src
parent38c7a01f9a5c462ea31403a55de5b08f3fb86222 (diff)
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Instead of using a struct just using multiply, which in all reality, is more clear and the compiler will optimize it for us.
Diffstat (limited to 'src')
-rw-r--r--src/generate-id.c45
1 files changed, 16 insertions, 29 deletions
diff --git a/src/generate-id.c b/src/generate-id.c
index 5b0eb8b..a504e44 100644
--- a/src/generate-id.c
+++ b/src/generate-id.c
@@ -21,62 +21,49 @@ with this program. If not, see <http://www.gnu.org/licenses/>.
#include "generate-id.h"
-struct ordering_id_struct {
- gchar category;
- gchar first;
- gchar second;
- gchar third;
-};
-
-union ordering_id_union_t {
- guint32 id;
- struct ordering_id_struct str;
-};
-
#define MULTIPLIER 32
guint32
-generate_id (const AppIndicatorCategory category, const gchar * id)
+generate_id (const AppIndicatorCategory catenum, const gchar * id)
{
- union ordering_id_union_t u;
+ gchar category = 0;
+ gchar first = 0;
+ gchar second = 0;
+ gchar third = 0;
- switch (category) {
+ switch (catenum) {
case APP_INDICATOR_CATEGORY_OTHER:
- u.str.category = MULTIPLIER * 5;
+ category = MULTIPLIER * 5;
break;
case APP_INDICATOR_CATEGORY_APPLICATION_STATUS:
- u.str.category = MULTIPLIER * 4;
+ category = MULTIPLIER * 4;
break;
case APP_INDICATOR_CATEGORY_COMMUNICATIONS:
- u.str.category = MULTIPLIER * 3;
+ category = MULTIPLIER * 3;
break;
case APP_INDICATOR_CATEGORY_SYSTEM_SERVICES:
- u.str.category = MULTIPLIER * 2;
+ category = MULTIPLIER * 2;
break;
case APP_INDICATOR_CATEGORY_HARDWARE:
- u.str.category = MULTIPLIER * 1;
+ category = MULTIPLIER * 1;
break;
default:
g_warning("Got an undefined category: %d", category);
- u.str.category = 0;
+ category = 0;
break;
}
- u.str.first = 0;
- u.str.second = 0;
- u.str.third = 0;
-
if (id != NULL) {
if (id[0] != '\0') {
- u.str.first = id[0];
+ first = id[0];
if (id[1] != '\0') {
- u.str.second = id[1];
+ second = id[1];
if (id[2] != '\0') {
- u.str.third = id[2];
+ third = id[2];
}
}
}
}
- return u.id;
+ return (((((category * 256) + first) * 256) + second) * 256) + third;
}