r8302: import mini HEIMDAL into the tree

(This used to be commit 118be28a7aef233799956615a99d1a2a74dac175)

1 files changed, 69 insertions, 0 deletions

diff --git a/source4/heimdal/lib/roken/strsep_copy.c b/source4/heimdal/lib/roken/strsep_copy.c
new file mode 100644
index 0000000000..5149838547
--- /dev/null
+++ b/source4/heimdal/lib/roken/strsep_copy.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2000, 2002 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. 
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+RCSID("$Id: strsep_copy.c,v 1.5 2005/04/12 11:29:11 lha Exp $");
+#endif
+
+#include <string.h>
+
+#include "roken.h"
+
+#ifndef HAVE_STRSEP_COPY
+
+/* strsep, but with const stringp, so return string in buf */
+
+ssize_t ROKEN_LIB_FUNCTION
+strsep_copy(const char **stringp, const char *delim, char *buf, size_t len)
+{
+    const char *save = *stringp;
+    size_t l;
+    if(save == NULL)
+	return -1;
+    *stringp = *stringp + strcspn(*stringp, delim);
+    l = min(len, *stringp - save);
+    if(len > 0) {
+	memcpy(buf, save, l);
+	buf[l] = '\0';
+    }
+
+    l = *stringp - save;
+    if(**stringp == '\0')
+	*stringp = NULL;
+    else
+	(*stringp)++;
+    return l;
+}
+
+#endif