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-rw-r--r--third_party/heimdal/lib/roken/strsep_copy.c66
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diff --git a/third_party/heimdal/lib/roken/strsep_copy.c b/third_party/heimdal/lib/roken/strsep_copy.c
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+/*
+ * 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.
+ */
+
+#include <config.h>
+
+#include <string.h>
+
+#include "roken.h"
+
+#ifndef HAVE_STRSEP_COPY
+
+/* strsep, but with const stringp, so return string in buf */
+
+ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
+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, (size_t)(*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