Import BSDDB 4.7.25 (as of svn r89086)

clib/strcasecmp.c

@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 1987, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: strcasecmp.c 63573 2008-05-23 21:43:21Z trent.nelson $
+ */
+
+#include "db_config.h"
+
+#include "db_int.h"
+
+/*
+ * strcasecmp --
+ *	Do strcmp(3) in a case-insensitive manner.
+ *
+ * PUBLIC: #ifndef HAVE_STRCASECMP
+ * PUBLIC: int strcasecmp __P((const char *, const char *));
+ * PUBLIC: #endif
+ */
+int
+strcasecmp(s1, s2)
+	const char *s1, *s2;
+{
+	u_char s1ch, s2ch;
+
+	for (;;) {
+		s1ch = *s1++;
+		s2ch = *s2++;
+		if (s1ch >= 'A' && s1ch <= 'Z')		/* tolower() */
+			s1ch += 32;
+		if (s2ch >= 'A' && s2ch <= 'Z')		/* tolower() */
+			s2ch += 32;
+		if (s1ch != s2ch)
+			return (s1ch - s2ch);
+		if (s1ch == '\0')
+			return (0);
+	}
+	/* NOTREACHED */
+}
+
+/*
+ * strncasecmp --
+ *	Do strncmp(3) in a case-insensitive manner.
+ *
+ * PUBLIC: #ifndef HAVE_STRCASECMP
+ * PUBLIC: int strncasecmp __P((const char *, const char *, size_t));
+ * PUBLIC: #endif
+ */
+int
+strncasecmp(s1, s2, n)
+	const char *s1, *s2;
+	register size_t n;
+{
+	u_char s1ch, s2ch;
+
+	for (; n != 0; --n) {
+		s1ch = *s1++;
+		s2ch = *s2++;
+		if (s1ch >= 'A' && s1ch <= 'Z')		/* tolower() */
+			s1ch += 32;
+		if (s2ch >= 'A' && s2ch <= 'Z')		/* tolower() */
+			s2ch += 32;
+		if (s1ch != s2ch)
+			return (s1ch - s2ch);
+		if (s1ch == '\0')
+			return (0);
+	}
+	return (0);
+}