HEIMDAL: move code from source4/heimdal* to third_party/heimdal*

This makes it clearer that we always want to do heimdal changes
via the lorikeet-heimdal repository.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>

Autobuild-User(master): Joseph Sutton <jsutton@samba.org>
Autobuild-Date(master): Wed Jan 19 21:41:59 UTC 2022 on sn-devel-184

1 files changed, 84 insertions, 0 deletions

diff --git a/third_party/heimdal/lib/roken/strerror_r.c b/third_party/heimdal/lib/roken/strerror_r.c
new file mode 100644
index 00000000000..85271ecaf5c
--- /dev/null
+++ b/third_party/heimdal/lib/roken/strerror_r.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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>
+
+#if (!defined(HAVE_STRERROR_R) && !defined(strerror_r)) || (!defined(STRERROR_R_PROTO_COMPATIBLE) && defined(HAVE_STRERROR_R))
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include "roken.h"
+
+#ifdef _MSC_VER
+
+int ROKEN_LIB_FUNCTION
+rk_strerror_r(int eno, char * strerrbuf, size_t buflen)
+{
+    errno_t err;
+
+    err = strerror_s(strerrbuf, buflen, eno);
+    if (err != 0) {
+        int code;
+        code = sprintf_s(strerrbuf, buflen, "Error % occurred.", eno);
+        err = ((code != 0)? errno : 0);
+    }
+
+    return err;
+}
+
+#else  /* _MSC_VER */
+
+int ROKEN_LIB_FUNCTION
+rk_strerror_r(int eno, char *strerrbuf, size_t buflen)
+{
+    /* Assume is the linux broken strerror_r (returns the a buffer (char *) if the input buffer wasn't use */
+#ifdef HAVE_STRERROR_R
+    const char *str;
+    str = strerror_r(eno, strerrbuf, buflen);
+    if (str != strerrbuf)
+	if (strlcpy(strerrbuf, str, buflen) >= buflen)
+	    return ERANGE;
+    return 0;
+#else
+    int ret;
+    ret = strlcpy(strerrbuf, strerror(eno), buflen);
+    if (ret > buflen)
+	return ERANGE;
+    return 0;
+#endif
+}
+
+#endif  /* !_MSC_VER */
+
+#endif