1 files changed, 129 insertions, 0 deletions
diff --git a/pptpd-1.3.3/compat.c b/pptpd-1.3.3/compat.c
new file mode 100644
index 00000000..4e57d6cc
--- /dev/null
+++ b/pptpd-1.3.3/compat.c
@@ -0,0 +1,129 @@
+/*
+ * compat.c
+ *
+ * Compatibility functions for different OSes
+ *
+ * $Id: compat.c,v 1.6 2005/08/22 00:48:34 quozl Exp $
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "compat.h"
+
+#ifndef HAVE_STRLCPY
+#include <string.h>
+#include <stdio.h>
+
+void strlcpy(char *dst, const char *src, size_t size)
+{
+	strncpy(dst, src, size - 1);
+	dst[size - 1] = '\0';
+}
+#endif
+
+#ifndef HAVE_MEMMOVE
+void *memmove(void *dst, const void *src, size_t size)
+{
+	bcopy(src, dst, size);
+	return dst;
+}
+#endif
+
+#ifndef HAVE_SETPROCTITLE
+#include "inststr.h"
+#endif
+
+#define __USE_BSD 1
+#include <stdarg.h>
+#include <stdio.h>
+
+void my_setproctitle(int argc, char **argv, const char *format, ...) {
+       char proctitle[64];
+       va_list parms;
+       va_start(parms, format);
+       vsnprintf(proctitle, sizeof(proctitle), format, parms);
+
+#ifndef HAVE_SETPROCTITLE
+       inststr(argc, argv, proctitle);
+#else
+       setproctitle(proctitle);
+#endif
+       va_end(parms);
+}
+
+/* signal to pipe delivery implementation */
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+
+/* pipe private to process */
+static int sigpipe[2];
+
+/* create a signal pipe, returns 0 for success, -1 with errno for failure */
+int sigpipe_create()
+{
+  int rc;
+  
+  rc = pipe(sigpipe);
+  if (rc < 0) return rc;
+  
+  fcntl(sigpipe[0], F_SETFD, FD_CLOEXEC);
+  fcntl(sigpipe[1], F_SETFD, FD_CLOEXEC);
+  
+#ifdef O_NONBLOCK
+#define FLAG_TO_SET O_NONBLOCK
+#else
+#ifdef SYSV
+#define FLAG_TO_SET O_NDELAY
+#else /* BSD */
+#define FLAG_TO_SET FNDELAY
+#endif
+#endif
+  
+  rc = fcntl(sigpipe[1], F_GETFL);
+  if (rc != -1)
+    rc = fcntl(sigpipe[1], F_SETFL, rc | FLAG_TO_SET);
+  if (rc < 0) return rc;
+  return 0;
+#undef FLAG_TO_SET
+}
+
+/* generic handler for signals, writes signal number to pipe */
+void sigpipe_handler(int signum)
+{
+  write(sigpipe[1], &signum, sizeof(signum));
+  signal(signum, sigpipe_handler);
+}
+
+/* assign a signal number to the pipe */
+void sigpipe_assign(int signum)
+{
+  struct sigaction sa;
+
+  memset(&sa, 0, sizeof(sa));
+  sa.sa_handler = sigpipe_handler;
+  sigaction(signum, &sa, NULL);
+}
+
+/* return the signal pipe read file descriptor for select(2) */
+int sigpipe_fd()
+{
+  return sigpipe[0];
+}
+
+/* read and return the pending signal from the pipe */
+int sigpipe_read()
+{
+  int signum;
+  read(sigpipe[0], &signum, sizeof(signum));
+  return signum;
+}
+
+void sigpipe_close()
+{
+  close(sigpipe[0]);
+  close(sigpipe[1]);
+}
+