summaryrefslogtreecommitdiff
path: root/support/dktools/dk4macc.ctr
diff options
context:
space:
mode:
authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/dktools/dk4macc.ctr
Initial commit
Diffstat (limited to 'support/dktools/dk4macc.ctr')
-rw-r--r--support/dktools/dk4macc.ctr54
1 files changed, 54 insertions, 0 deletions
diff --git a/support/dktools/dk4macc.ctr b/support/dktools/dk4macc.ctr
new file mode 100644
index 0000000000..4cd01f6587
--- /dev/null
+++ b/support/dktools/dk4macc.ctr
@@ -0,0 +1,54 @@
+%% options
+
+copyright owner = Dirk Krause
+copyright year = 2015-xxxx
+license = bsd
+
+
+%% header
+
+/** @file
+ Comparison between signed and unsigned
+ character.
+*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Compare signed and unsigned char.
+ @param s Signed char.
+ @param u Unsigned char.
+ @return 1 if s>u, 0 if s==u, -1 if s<u.
+*/
+int
+dk4ma_char_compare(signed char s, unsigned char u);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+
+%% module
+
+#include "dk4macc.h"
+
+int
+dk4ma_char_compare(signed char s, unsigned char u)
+{
+ int back = 0;
+ if (0 > s) {
+ back = -1;
+ } else {
+ if ((unsigned char)s < u) {
+ back = -1;
+ } else {
+ if ((unsigned char)s > u) {
+ back = 1;
+ }
+ }
+ }
+ return back;
+}
+