1  /********************************************************************
 2  * Description: emcargs.cc
 3  *   Globals initialized to values in emccfg.h
 4  *
 5  *   Derived from a work by Fred Proctor & Will Shackleford
 6  *
 7  * Author:
 8  * License: GPL Version 2
 9  * System: Linux
10  *    
11  * Copyright (c) 2004 All rights reserved.
12  *
13  * Last change:
14  ********************************************************************/
15  
16  #include <string.h>		/* strcpy() */
17  #include <stdio.h>		/* fgets() */
18  #include "nml.hh"               /* nmlSetHostAlias */
19  #include "emcglb.h"		/* these decls */
20  #include "emccfg.h"		/* their initial values */
21  #include "rcs_print.hh"
22  
23  int emcGetArgs(int argc, char *argv[])
24  {
25      int t;
26  
27      /* process command line args, indexing argv[] from [1] */
28      for (t = 1; t < argc; t++) {
29  	if (!strcmp(argv[t], "-ini")) {
30  	    if (t == argc - 1) {
31  		return -1;
32  	    } else {
33                  if (strlen(argv[t+1]) >= LINELEN) {
34                      fprintf(stderr, "ini file name too long (max %d):\n", LINELEN);
35                      fprintf(stderr, "    %s\n", argv[t+1]);
36                      return -1;
37                  }
38  		strcpy(emc_inifile, argv[t + 1]);
39  		t++;
40  	    }
41  	    continue;
42  	}
43  	if (!strcmp(argv[t], "-rcsdebug")) {
44  	    set_rcs_print_flag(PRINT_EVERYTHING);
45  	    max_rcs_errors_to_print = -1;
46  	    continue;
47  	}
48  
49  	if (!strcmp(argv[t], "-queryhost")) {
50  	    char qhost[80];
51  	    printf("EMC Host?");
52  	    if(!fgets(qhost, 80, stdin)) return -1;
53  	    for (int i = 0; i < 80; i++) {
54  		if (qhost[i] == '\r' || qhost[i] == '\n'
55  		    || qhost[i] == ' ') {
56  		    qhost[i] = 0;
57  		    break;
58  		}
59  	    }
60  	    nmlSetHostAlias(qhost, "localhost");	/* If localhost
61  							   appears in .nml
62  							   file it will
63  							   overriden by this
64  							   argument. */
65  	    nmlForceRemoteConnection();
66  	    /* The only good reason for aliasing the host that I know of is
67  	       to connect to a remote server so we will ignore the
68  	       LOCAL/REMOTE field in the .nml file and always connect
69  	       remotely. */
70  	    continue;
71  	}
72  	if (!strcmp(argv[t], "-host")) {
73  	    if (t == argc - 1) {
74  		return -1;
75  	    } else {
76  		nmlSetHostAlias(argv[t + 1], "localhost");	/* If
77  								   localhost
78  								   appears in 
79  								   .nml file
80  								   it will
81  								   overriden
82  								   by this
83  								   argument. */
84  		nmlForceRemoteConnection();
85  		/* The only good reason for aliasing the host that I know of
86  		   is to connect to a remote server so we will ignore the
87  		   LOCAL/REMOTE field in the .nml file and always connect
88  		   remotely. */
89  		t++;
90  	    }
91  	    continue;
92  	}
93      }
94      /* else not recognized-- ignore */
95  
96      return 0;
97  }