1 files changed, 80 insertions, 0 deletions
diff --git a/bin/csh/iconv_stub.c b/bin/csh/iconv_stub.c
new file mode 100644
index 000000000000..e20608c60616
--- /dev/null
+++ b/bin/csh/iconv_stub.c
@@ -0,0 +1,80 @@
+/*-
+ * Copyright (c) 2006 Hajimu UMEMOTO <ume@FreeBSD.org>
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+#include <dlfcn.h>
+#include <stddef.h>
+
+#include "iconv.h"
+
+#undef iconv_open
+#undef iconv
+#undef iconv_close
+
+#define ICONVLIB	"libiconv.so"
+#define ICONV_ENGINE	"libiconv"
+#define ICONV_OPEN	"libiconv_open"
+#define ICONV_CLOSE	"libiconv_close"
+
+typedef iconv_t iconv_open_t(const char *, const char *);
+
+dl_iconv_t *dl_iconv;
+dl_iconv_close_t *dl_iconv_close;
+
+static int initialized;
+static void *iconvlib;
+static iconv_open_t *iconv_open;
+
+iconv_t
+dl_iconv_open(const char *tocode, const char *fromcode)
+{
+	if (initialized) {
+		if (iconvlib == NULL)
+			return (iconv_t)-1;
+	} else {
+		initialized = 1;
+		iconvlib = dlopen(ICONVLIB, RTLD_LAZY | RTLD_GLOBAL);
+		if (iconvlib == NULL)
+			return (iconv_t)-1;
+		iconv_open = (iconv_open_t *)dlfunc(iconvlib, ICONV_OPEN);
+		if (iconv_open == NULL)
+			goto dlfunc_err;
+		dl_iconv = (dl_iconv_t *)dlfunc(iconvlib, ICONV_ENGINE);
+		if (dl_iconv == NULL)
+			goto dlfunc_err;
+		dl_iconv_close = (dl_iconv_close_t *)dlfunc(iconvlib,
+		    ICONV_CLOSE);
+		if (dl_iconv_close == NULL)
+			goto dlfunc_err;
+	}
+	return iconv_open(tocode, fromcode);
+
+dlfunc_err:
+	dlclose(iconvlib);
+	iconvlib = NULL;
+	return (iconv_t)-1;
+}