Cope with missing strcasestr().

3 files changed, 68 insertions, 1 deletions

diff --git a/configure.ac b/configure.ac
index 2bb0e378c..89595225a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2129,7 +2129,7 @@ if test "x$some_snprintf" != "xyes" -o \
 fi
 AC_FUNC_FSEEKO
 AC_CHECK_HEADERS(assert.h byteswap.h malloc.h execinfo.h ucontext.h sys/mman.h sys/mixer.h libgen.h netdb.h dirent.h sys/times.h sys/ioctl.h sys/param.h alloca.h)
-AC_REPLACE_FUNCS(asprintf basename gettimeofday setenv strndup strpbrk strsep strtok_r timegm unsetenv memmem)
+AC_REPLACE_FUNCS(asprintf basename gettimeofday setenv strcasestr strndup strpbrk strsep strtok_r timegm unsetenv memmem)
 
 AC_LIBSOURCE(hstrerror.c)
 AC_LINK_IFELSE([#include <netdb.h>
diff --git a/lib/os_internal.h b/lib/os_internal.h
index 6e6e14a3d..968b8f02f 100644
--- a/lib/os_internal.h
+++ b/lib/os_internal.h
@@ -65,6 +65,13 @@ const char *xine_private_hstrerror(int err);
 int xine_private_setenv(const char *name, const char *value);
 #endif
 
+/* replacement of strcasestr */
+#ifndef HAVE_STRCASESTR
+#define HAVE_STRCASESTR
+#define strcasestr(HAYSTACK, NEEDLE) xine_private_strcasestr((HAYSTACK), (NEEDLE))
+char *xine_private_strcasestr(const char *haystack, const char *needle);
+#endif
+
 /* replacement of strtok_r */
 #ifndef HAVE_STRTOK_R
 #define HAVE_STRTOK_R
diff --git a/lib/strcasestr.c b/lib/strcasestr.c
new file mode 100644
index 000000000..0793319aa
--- /dev/null
+++ b/lib/strcasestr.c
@@ -0,0 +1,60 @@
+/*-
+ * 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 "config.h"
+
+#include <assert.h>
+#include <ctype.h>
+#include <string.h>
+
+/*
+ * Find the first occurrence of find in s, ignore case.
+ */
+char *
+xine_private_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 (char *)s;
+}