X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Foptions.c;h=f9c9aa56e243d5d091e383348b5ad4c025e3f5ef;hb=8821c36a7798fd1c16d85ce63bcf519618975800;hp=3e28def43191926347ffdfeb95559c1c45214000;hpb=f409b9f7b070fc7e0d1839f09d813503d7224df6;p=ppp.git

diff --git a/pppd/options.c b/pppd/options.c
index 3e28def..f9c9aa5 100644
--- a/pppd/options.c
+++ b/pppd/options.c
@@ -18,7 +18,7 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: options.c,v 1.55 1999/03/24 05:05:24 paulus Exp $";
+static char rcsid[] = "$Id: options.c,v 1.57 1999/04/12 06:24:47 paulus Exp $";
 #endif
 
 #include <ctype.h>
@@ -89,6 +89,7 @@ int	holdoff = 30;		/* # seconds to pause before reconnecting */
 bool	notty = 0;		/* Stdin/out is not a tty */
 char	*record_file = NULL;	/* File to record chars sent/received */
 int	using_pty = 0;
+bool	sync_serial = 0;	/* Device is synchronous serial device */
 
 extern option_t auth_options[];
 
@@ -211,6 +212,8 @@ option_t general_options[] = {
       "Show brief listing of options" },
     { "-h", o_special_noarg, showhelp,
       "Show brief listing of options" },
+    { "sync", o_bool, &sync_serial,
+      "Use synchronous HDLC serial encoding", 1 },
 
 #ifdef PPP_FILTER
     { "pdebug", o_int, &dflag,
@@ -344,7 +347,7 @@ options_from_file(filename, must_exist, check_prot, priv)
     int priv;
 {
     FILE *f;
-    int i, newline, ret;
+    int i, newline, ret, err;
     option_t *opt;
     int oldpriv;
     char *oldsource;
@@ -355,11 +358,13 @@ options_from_file(filename, must_exist, check_prot, priv)
     if (check_prot)
 	seteuid(getuid());
     f = fopen(filename, "r");
+    err = errno;
     if (check_prot)
 	seteuid(0);
     if (f == NULL) {
-	if (!must_exist && errno == ENOENT)
+	if (!must_exist && err == ENOENT)
 	    return 1;
+	errno = err;
 	option_error("Can't open options file %s: %m", filename);
 	return 0;
     }