[or-cvs] a skeletal print_usage() function

[Roger Dingledine]

Update of /home/or/cvsroot/src/or
In directory moria.mit.edu:/home2/arma/work/onion/cvs/src/or

Modified Files:
	config.c main.c 
Log Message:
a skeletal print_usage() function


Index: config.c
===================================================================
RCS file: /home/or/cvsroot/src/or/config.c,v
retrieving revision 1.59
retrieving revision 1.60
diff -u -d -r1.59 -r1.60
--- config.c	15 Oct 2003 18:50:16 -0000	1.59
+++ config.c	20 Oct 2003 01:19:54 -0000	1.60
@@ -191,6 +191,10 @@
   }  
 }
 
+void print_usage(void) {
+
+}
+
 /* return 0 if success, <0 if failure. */
 int getconfig(int argc, char **argv, or_options_t *options) {
   struct config_line *cl;
@@ -214,6 +218,11 @@
   options->NewCircuitPeriod = 60; /* once a minute */
   options->TotalBandwidth = 800000; /* at most 800kB/s total sustained incoming */
   options->NumCpus = 1;
+
+  if(argc > 1 && (!strcmp(argv[1], "-h") || !strcmp(argv[1],"--help"))) {
+    print_usage();
+    exit(0);
+  }
 
 /* learn config file name, get config lines, assign them */
   i = 1;

Index: main.c
===================================================================
RCS file: /home/or/cvsroot/src/or/main.c,v
retrieving revision 1.137
retrieving revision 1.138
diff -u -d -r1.137 -r1.138
--- main.c	18 Oct 2003 00:13:08 -0000	1.137
+++ main.c	20 Oct 2003 01:19:54 -0000	1.138
@@ -784,7 +784,7 @@
   add_stream_log(LOG_INFO, "<stdout>", stdout);
 
   if(getconfig(argc,argv,&options)) {
-    log_fn(LOG_ERR,"Reading config file failed. exiting.");
+    log_fn(LOG_ERR,"Reading config failed. For usage, try -h.");
     return -1;
   }
   log_set_severity(options.loglevel); /* assign logging severity level from options */