make sure our case insensitive hash uses dns_tolower and not tolower which might...

diff --git a/pdns/misc.cc b/pdns/misc.cc
index bea87be2b1e2c42c6c4ee51458675356f3f55f00..57eec1975efbdb1006dcb1276359e170baf3329e 100644 (file)
--- a/pdns/misc.cc
+++ b/pdns/misc.cc
@@ -933,9 +933,9 @@ uint32_t burtleCI(const unsigned char* k, uint32_t length, uint32_t initval)
 
   /*---------------------------------------- handle most of the key */
   while (len >= 12) {
-    a += (tolower(k[0]) +((uint32_t)tolower(k[1])<<8) +((uint32_t)tolower(k[2])<<16) +((uint32_t)tolower(k[3])<<24));
-    b += (tolower(k[4]) +((uint32_t)tolower(k[5])<<8) +((uint32_t)tolower(k[6])<<16) +((uint32_t)tolower(k[7])<<24));
-    c += (tolower(k[8]) +((uint32_t)tolower(k[9])<<8) +((uint32_t)tolower(k[10])<<16)+((uint32_t)tolower(k[11])<<24));
+    a += (dns_tolower(k[0]) +((uint32_t)dns_tolower(k[1])<<8) +((uint32_t)dns_tolower(k[2])<<16) +((uint32_t)dns_tolower(k[3])<<24));
+    b += (dns_tolower(k[4]) +((uint32_t)dns_tolower(k[5])<<8) +((uint32_t)dns_tolower(k[6])<<16) +((uint32_t)dns_tolower(k[7])<<24));
+    c += (dns_tolower(k[8]) +((uint32_t)dns_tolower(k[9])<<8) +((uint32_t)dns_tolower(k[10])<<16)+((uint32_t)dns_tolower(k[11])<<24));
     burtlemix(a,b,c);
     k += 12; len -= 12;
   }
@@ -943,18 +943,18 @@ uint32_t burtleCI(const unsigned char* k, uint32_t length, uint32_t initval)
   /*------------------------------------- handle the last 11 bytes */
   c += length;
   switch(len) {             /* all the case statements fall through */
-  case 11: c+=((uint32_t)tolower(k[10])<<24);
-  case 10: c+=((uint32_t)tolower(k[9])<<16);
-  case 9 : c+=((uint32_t)tolower(k[8])<<8);
+  case 11: c+=((uint32_t)dns_tolower(k[10])<<24);
+  case 10: c+=((uint32_t)dns_tolower(k[9])<<16);
+  case 9 : c+=((uint32_t)dns_tolower(k[8])<<8);
     /* the first byte of c is reserved for the length */
-  case 8 : b+=((uint32_t)tolower(k[7])<<24);
-  case 7 : b+=((uint32_t)tolower(k[6])<<16);
-  case 6 : b+=((uint32_t)tolower(k[5])<<8);
-  case 5 : b+=tolower(k[4]);
-  case 4 : a+=((uint32_t)tolower(k[3])<<24);
-  case 3 : a+=((uint32_t)tolower(k[2])<<16);
-  case 2 : a+=((uint32_t)tolower(k[1])<<8);
-  case 1 : a+=tolower(k[0]);
+  case 8 : b+=((uint32_t)dns_tolower(k[7])<<24);
+  case 7 : b+=((uint32_t)dns_tolower(k[6])<<16);
+  case 6 : b+=((uint32_t)dns_tolower(k[5])<<8);
+  case 5 : b+=dns_tolower(k[4]);
+  case 4 : a+=((uint32_t)dns_tolower(k[3])<<24);
+  case 3 : a+=((uint32_t)dns_tolower(k[2])<<16);
+  case 2 : a+=((uint32_t)dns_tolower(k[1])<<8);
+  case 1 : a+=dns_tolower(k[0]);
     /* case 0: nothing left to add */
   }
   burtlemix(a,b,c);