add case sensitive matching

2002-04-03 23:53:12 +00:00
parent ebca2ebe43
commit 0221bf98a9
10 changed files with 307 additions and 35 deletions
--- a/byte_case_diff.c
+++ b/byte_case_diff.c
@@ -0,0 +1,14 @@
+#include <ctype.h>
+
+int byte_case_diff(const void* a, unsigned int len, const void* b) {
+  register const char* s=a;
+  register const char* t=b;
+  register const char* u=t+len;
+  register int j;
+  j=0;
+  for (;;) {
+    if (t==u) break; if ((j=(tolower(*s)-tolower(*t)))) break; ++s; ++t;
+  }
+  return j;
+}
+