1 files changed, 99 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/roken/getdtablesize.c b/third_party/heimdal/lib/roken/getdtablesize.c
new file mode 100644
index 0000000..08c0661
--- /dev/null
+++ b/third_party/heimdal/lib/roken/getdtablesize.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 1995-2001 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 "roken.h"
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef TIME_WITH_SYS_TIME
+#include <sys/time.h>
+#include <time.h>
+#elif defined(HAVE_SYS_TIME_H)
+#include <sys/time.h>
+#else
+#include <time.h>
+#endif
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifdef HAVE_SYS_RESOURCE_H
+#include <sys/resource.h>
+#endif
+
+#ifdef HAVE_SYS_SYSCTL_H
+#include <sys/sysctl.h>
+#endif
+
+ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
+getdtablesize(void)
+{
+  int files = -1;
+#if defined(HAVE_SYSCONF) && defined(_SC_OPEN_MAX)
+  files = sysconf(_SC_OPEN_MAX);
+#else /* !defined(HAVE_SYSCONF) */
+#if defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE)
+  struct rlimit res;
+  if (getrlimit(RLIMIT_NOFILE, &res) == 0)
+    files = res.rlim_cur;
+#else /* !definded(HAVE_GETRLIMIT) */
+#if defined(HAVE_SYSCTL) && defined(CTL_KERN) && defined(KERN_MAXFILES)
+  int mib[2];
+  size_t len;
+
+  mib[0] = CTL_KERN;
+  mib[1] = KERN_MAXFILES;
+  len = sizeof(files);
+  sysctl(&mib, 2, &files, sizeof(files), NULL, 0);
+#endif /* defined(HAVE_SYSCTL) */
+#endif /* !definded(HAVE_GETRLIMIT) */
+#endif /* !defined(HAVE_SYSCONF) */
+
+#ifdef OPEN_MAX
+  if (files < 0)
+    files = OPEN_MAX;
+#endif
+
+#ifdef NOFILE
+  if (files < 0)
+    files = NOFILE;
+#endif
+
+  return files;
+}