1 files changed, 70 insertions, 0 deletions
diff --git a/util/compat.c b/util/compat.c
index aca558aee..cd487e5e2 100644
--- a/util/compat.c
+++ b/util/compat.c
@@ -1,3 +1,5 @@
+#include <sys/types.h>
+
 int
 hextobyte (const char *s)
 {
@@ -22,3 +24,71 @@ hextobyte (const char *s)
     return -1;
   return c;
 }
+
+int 
+ascii_toupper (int c)
+{
+    if (c >= 'a' && c <= 'z')
+        c &= ~0x20;
+    return c;
+}
+
+int 
+ascii_tolower (int c)
+{
+    if (c >= 'A' && c <= 'Z')
+        c |= 0x20;
+    return c;
+}
+
+int
+ascii_strcasecmp (const char *a, const char *b)
+{
+  const unsigned char *p1 = (const unsigned char *)a;
+  const unsigned char *p2 = (const unsigned char *)b;
+  unsigned char c1, c2;
+
+  if (p1 == p2)
+    return 0;
+
+  do
+    {
+      c1 = ascii_tolower (*p1);
+      c2 = ascii_tolower (*p2);
+
+      if (c1 == '\0')
+	break;
+
+      ++p1;
+      ++p2;
+    }
+  while (c1 == c2);
+  
+  return c1 - c2;
+}
+
+int 
+ascii_strncasecmp (const char *a, const char *b, size_t n)
+{
+  const unsigned char *p1 = (const unsigned char *)a;
+  const unsigned char *p2 = (const unsigned char *)b;
+  unsigned char c1, c2;
+
+  if (p1 == p2 || !n )
+    return 0;
+
+  do
+    {
+      c1 = ascii_tolower (*p1);
+      c2 = ascii_tolower (*p2);
+
+      if ( !--n || c1 == '\0')
+	break;
+
+      ++p1;
+      ++p2;
+    }
+  while (c1 == c2);
+  
+  return c1 - c2;
+}