uri: Include our own BSD licensed copy of strcasestr() for Windows and others

2 files changed, 64 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 9aeea4f248..1e7c88d393 100644
--- a/configure.ac
+++ b/configure.ac
@@ -416,6 +416,8 @@ AC_MSG_RESULT($have_tm_gmtoff)
 
 dnl *** checks for library functions ***
 
+AC_CHECK_FUNCS([strcasestr])
+
 AC_CHECK_FUNCS([gmtime_r])
 AC_CHECK_FUNCS([localtime_r])
 AC_CHECK_FUNCS([sigaction])
diff --git a/gst/gsturi.c b/gst/gsturi.c
index b932580161..5333f433fd 100644
--- a/gst/gsturi.c
+++ b/gst/gsturi.c
@@ -56,6 +56,68 @@
 GST_DEBUG_CATEGORY_STATIC (gst_uri_handler_debug);
 #define GST_CAT_DEFAULT gst_uri_handler_debug
 
+#ifndef HAVE_STRCASESTR
+#define strcasestr _gst_ascii_strcasestr
+
+/* From https://github.com/freebsd/freebsd/blob/master/contrib/file/src/strcasestr.c
+ * Updated to use GLib types and GLib string functions
+ *
+ * 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.
+ */
+
+/*
+ * Find the first occurrence of find in s, ignore case.
+ */
+
+static gchar *
+_gst_ascii_strcasestr (const gchar * s, const gchar * find)
+{
+  gchar c, sc;
+  gsize len;
+
+  if ((c = *find++) != 0) {
+    c = g_ascii_tolower (c);
+    len = strlen (find);
+    do {
+      do {
+        if ((sc = *s++) == 0)
+          return (NULL);
+      } while (g_ascii_tolower (sc) != c);
+    } while (g_ascii_strncasecmp (s, find, len) != 0);
+    s--;
+  }
+  return (gchar *) (gintptr) (s);
+}
+#endif
+
 GType
 gst_uri_handler_get_type (void)
 {