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-rw-r--r--src/lib/kStuff/kHlp/Generic/kHlpMemICompAscii.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/lib/kStuff/kHlp/Generic/kHlpMemICompAscii.c b/src/lib/kStuff/kHlp/Generic/kHlpMemICompAscii.c
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+++ b/src/lib/kStuff/kHlp/Generic/kHlpMemICompAscii.c
@@ -0,0 +1,80 @@
+/* $Id: kHlpMemICompAscii.c 29 2009-07-01 20:30:29Z bird $ */
+/** @file
+ * kHlpString - kHlpMemICompAscii.
+ */
+
+/*
+ * Copyright (c) 2006-2007 Knut St. Osmundsen <bird-kStuff-spamix@anduin.net>
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*******************************************************************************
+* Header Files *
+*******************************************************************************/
+#include <k/kHlpString.h>
+
+
+KHLP_DECL(int) kHlpMemICompAscii(const void *pv1, const void *pv2, KSIZE cb)
+{
+ union
+ {
+ const void *pv;
+ const KU8 *pb;
+ const KUPTR *pu;
+ } u1, u2;
+
+ u1.pv = pv1;
+ u2.pv = pv2;
+
+ if (cb >= 32)
+ {
+ while (cb > sizeof(KUPTR))
+ {
+ if (*u1.pu != *u2.pu)
+ break; /* hand it on to the byte-by-byte routine. */
+ u1.pu++;
+ u2.pu++;
+ cb -= sizeof(KUPTR);
+ }
+ }
+
+ while (cb-- > 0)
+ {
+ if (u1.pb != u2.pb)
+ {
+ KU8 ch1 = *u1.pb;
+ KU8 ch2 = *u2.pb;
+ if (ch1 <= 'Z' && ch1 >= 'A')
+ ch1 += 'a' - 'A';
+ if (ch2 <= 'Z' && ch2 >= 'A')
+ ch2 += 'a' - 'A';
+ if (ch1 != ch2)
+ return ch1 > ch2 ? 1 : -1;
+ }
+ u1.pb++;
+ u2.pb++;
+ }
+
+ return 0;
+}
+