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authorHenryk Plötz <henryk@ploetzli.ch>2014-10-03 19:58:52 +0200
committerHenryk Plötz <henryk@ploetzli.ch>2014-10-03 19:58:52 +0200
commit0e5b2871ca6456b01d4bf037a6e68badf1ff1a41 (patch)
tree97b95b74c9618d85da9aa9451a55a819cd7b1c2e /case_diffb.c
downloadtinydnssec-0e5b2871ca6456b01d4bf037a6e68badf1ff1a41.tar.gz
tinydnssec-0e5b2871ca6456b01d4bf037a6e68badf1ff1a41.tar.bz2
Initial commit of djbdns-1.05.tar.gz
Source was http://cr.yp.to/djbdns/djbdns-1.05.tar.gz, SHA1 2efdb3a039d0c548f40936aa9cb30829e0ce8c3d
Diffstat (limited to 'case_diffb.c')
-rw-r--r--case_diffb.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/case_diffb.c b/case_diffb.c
new file mode 100644
index 0000000..b62a4b2
--- /dev/null
+++ b/case_diffb.c
@@ -0,0 +1,18 @@
+#include "case.h"
+
+int case_diffb(register const char *s,register unsigned int len,register const 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;
+}