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authorJohn Denker <jsd@av8n.com>2012-06-01 23:07:51 -0700
committerJohn Denker <jsd@av8n.com>2012-06-02 17:30:23 -0700
commit0d0f7a0e7c32842edff533246a1f8523306f9ab0 (patch)
tree43dbb2fffaa8d490731969f39f5d20832523bd5d /ucspi-tcp-0.88/case_diffb.c
parent94c58d7f8cabd9b1ff4c33c57a6ff76cdf3f955e (diff)
as downloaded : ucspi-tcp
Diffstat (limited to 'ucspi-tcp-0.88/case_diffb.c')
-rw-r--r--ucspi-tcp-0.88/case_diffb.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/ucspi-tcp-0.88/case_diffb.c b/ucspi-tcp-0.88/case_diffb.c
new file mode 100644
index 0000000..967af56
--- /dev/null
+++ b/ucspi-tcp-0.88/case_diffb.c
@@ -0,0 +1,18 @@
+#include "case.h"
+
+int case_diffb(register char *s,register unsigned int len,register char *t)
+{
+ register unsigned char x;
+ register unsigned char y;
+
+ while (len > 0) {
+ --len;
+ x = *s++ - 'A';
+ if (x <= 'Z' - 'A') x += 'a'; else x += 'A';
+ y = *t++ - 'A';
+ if (y <= 'Z' - 'A') y += 'a'; else y += 'A';
+ if (x != y)
+ return ((int)(unsigned int) x) - ((int)(unsigned int) y);
+ }
+ return 0;
+}