summaryrefslogtreecommitdiffstats
path: root/compat_strcasestr.c
diff options
context:
space:
mode:
authorIngo Schwarze <schwarze@openbsd.org>2013-12-31 23:03:47 +0000
committerIngo Schwarze <schwarze@openbsd.org>2013-12-31 23:03:47 +0000
commit00a83eb67618ef2d3d4efc692882efa3dc6252ca (patch)
tree59a7e5c44227c8d33e82baad01e4a6bcf77e7777 /compat_strcasestr.c
parentbe3cd034f5ca97ad2872d535487f43449fb84e8c (diff)
downloadmandoc-00a83eb67618ef2d3d4efc692882efa3dc6252ca.tar.gz
Provide strcasestr(3) and strsep(3) for Solaris 10 compat;
reported missing by Matthias Scheler <tron at NetBSD> via wiz@.
Diffstat (limited to 'compat_strcasestr.c')
-rw-r--r--compat_strcasestr.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/compat_strcasestr.c b/compat_strcasestr.c
new file mode 100644
index 00000000..5216d021
--- /dev/null
+++ b/compat_strcasestr.c
@@ -0,0 +1,74 @@
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef HAVE_STRCASESTR
+
+int dummy;
+
+#else
+
+/* ($)NetBSD: strcasestr.c,v 1.2 2005/02/09 21:35:47 kleink Exp $ */
+
+/*-
+ * Copyright (c) 1990, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Chris Torek.
+ *
+ * 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. 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.
+ */
+
+#include <sys/types.h>
+#include <ctype.h>
+#include <string.h>
+
+#define __UNCONST(a) ((void *)(unsigned long)(const void *)(a))
+
+/*
+ * Find the first occurrence of find in s, ignore case.
+ */
+char *
+strcasestr(const char *s, const char *find)
+{
+ char c, sc;
+ size_t len;
+
+ if ((c = *find++) != 0) {
+ c = tolower((unsigned char)c);
+ len = strlen(find);
+ do {
+ do {
+ if ((sc = *s++) == 0)
+ return (NULL);
+ } while ((char)tolower((unsigned char)sc) != c);
+ } while (strncasecmp(s, find, len) != 0);
+ s--;
+ }
+ return __UNCONST(s);
+}
+
+#endif