1 files changed, 122 insertions, 0 deletions
diff --git a/src/compat.c b/src/compat.c
new file mode 100644
index 0000000..82f9583
--- /dev/null
+++ b/src/compat.c
@@ -0,0 +1,122 @@
+/*
+ *  Copyright (c) 2002 Andy Smith
+ *  Copyright (c) 2014-2018 ircd-hybrid development team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
+ *  USA
+ */
+
+#include "setup.h"
+
+#include <string.h>
+
+#include "compat.h"
+
+/*    $OpenBSD: strlcat.c,v 1.18 2016/10/16 17:37:39 dtucker Exp $    */
+/*    $OpenBSD: strlcpy.c,v 1.15 2016/10/16 17:37:39 dtucker Exp $    */
+/*
+ * Copyright (c) 1998, 2015 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef HAVE_STRLCAT
+/*
+ * Appends src to string dst of size dsize (unlike strncat, dsize is the
+ * full size of dst, not space left).  At most dsize-1 characters
+ * will be copied.  Always NUL terminates (unless dsize <= strlen(dst)).
+ * Returns strlen(src) + MIN(dsize, strlen(initial dst)).
+ * If retval >= dsize, truncation occurred.
+ */
+size_t
+strlcat(char *dst, const char *src, size_t dsize)
+{
+  const char *odst = dst;
+  const char *osrc = src;
+  size_t n = dsize;
+  size_t dlen;
+
+  /* Find the end of dst and adjust bytes left but don't go past end. */
+  while (n-- != 0 && *dst != '\0')
+    dst++;
+
+  dlen = dst - odst;
+  n = dsize - dlen;
+
+  if (n-- == 0)
+    return dlen + strlen(src);
+
+  while (*src != '\0')
+  {
+    if (n != 0)
+    {
+      *dst++ = *src;
+      n--;
+    }
+
+    src++;
+  }
+
+  *dst = '\0';
+
+  return dlen + (src - osrc);  /* count does not include NUL */
+}
+#endif
+
+#ifndef HAVE_STRLCPY
+/*
+ * Copy string src to buffer dst of size dsize.  At most dsize-1
+ * chars will be copied.  Always NUL terminates (unless dsize == 0).
+ * Returns strlen(src); if retval >= dsize, truncation occurred.
+ */
+size_t
+strlcpy(char *dst, const char *src, size_t dsize)
+{
+  const char *osrc = src;
+  size_t nleft = dsize;
+
+  /* Copy as many bytes as will fit. */
+  if (nleft != 0)
+  {
+    while (--nleft != 0)
+    {
+      if ((*dst++ = *src++) == '\0')
+        break;
+    }
+  }
+
+  /* Not enough room in dst, add NUL and traverse rest of src. */
+  if (nleft == 0)
+  {
+    if (dsize != 0)
+      *dst = '\0';  /* NUL-terminate dst */
+
+    while (*src++)
+      ;
+  }
+
+  return src - osrc - 1;  /* count does not include NUL */
+}
+#endif