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1.1 root 1: #define MAINLINE
2: #include "parms.h"
3: #include "structs.h"
4:
5: #ifdef RCSIDENT
6: static char rcsid[] = "$Header: main.c,v 1.7.0.1 85/03/08 10:40:05 notes Rel $";
7: #endif RCSIDENT
8:
9: /*
10: * this main program will take in a notefile name, and
11: * then proceed to handle all of the processing for it. This includes
12: * calling all of the appropriate routines. It should stay in the
13: * package pretty much as is. It may not be the master routine, but
14: * it will be the chief 'driver' while within a particular note.
15: *
16: * Original author: Rob Kolstad Winter, 1980.
17: * Modifications: Ray Essick June, 1981.
18: * Modified more: Ray Essick May, 1982.
19: *
20: *
21: */
22:
23:
24: static int seqon = NOSEQ; /* sequencer mode */
25:
26: main (argc, argv)
27: char **argv;
28: {
29:
30: int i;
31: char *p,
32: *q,
33: *calledas;
34: int autoseq = 0; /* if autoseq */
35: int notesargs = 0; /* count nf's */
36: int nfsdone;
37: struct nflist_f *nfptr;
38: char bufstdout[BUFSIZ]; /* buffer for speed */
39:
40: setbuf (stdout, bufstdout); /* buffer it */
41: startup (argc, argv); /* common init */
42:
43: if (globuid == Anonuid)
44: {
45: fprintf (stderr, "Sorry, you have the wrong uid (%d) to use notesfiles.\n",
46: globuid);
47: fprintf (stderr, "Consult your local system guru for more help\n");
48: exit (BAD);
49: }
50: if ((calledas = rindex (argv[0], '/')) != 0) /* get invoking name */
51: calledas++;
52: else
53: calledas = argv[0]; /* no slash */
54: if (strcmp (calledas, "notes") && *calledas != '=') /* autoseq entry */
55: {
56: autoseq++; /* is autoseq */
57: setseq (NORMSEQ); /* turn on */
58: }
59:
60: /*
61: * grab some variables from the environment
62: */
63: if ((p = getenv ("SHELL")) != 0)
64: hisshell = p; /* his shell */
65: if ((p = getenv ("NFED")) != 0)
66: hised = p; /* and his editor */
67: else
68: if ((p = getenv ("EDITOR")) != 0) /* try this name */
69: hised = p; /* his editor */
70:
71: /*
72: * Scan the command line now to pluck options and
73: * notesfile specifications
74: */
75:
76: if (*calledas == '=' && calledas[1] != '\0' && argc == 1)/* a =xxx case */
77: {
78: expand (&calledas[1]); /* nf name */
79: notesargs++;
80: }
81:
82: for (i = 1; i < argc; i++)
83: {
84: if (argv[i][0] == '-') /* option */
85: {
86: switch (argv[i][1])
87: {
88: case 's': /* sequencer */
89: case 'x': /* extended sequencer */
90: case 'i': /* index sequencer */
91: case 'n': /* no sequencer */
92: expand (argv[i]); /* change mode */
93: break;
94:
95: case 't': /* term type */
96: if (++i == argc)
97: {
98: fprintf (stderr, "-t must be followed by terminal type\n");
99: exit (BAD);
100: }
101: histty = argv[i];
102: break;
103:
104: case 'f': /* -f file option */
105: if (++i == argc) /* see if there is one */
106: {
107: fprintf (stderr, "-f must be followed by a file name\n");
108: exit (BAD);
109: }
110: readrc (argv[i]); /* load the file */
111: notesargs++; /* supplied args */
112: break;
113:
114: case 'a': /* alternate sequencer */
115: if (++i == argc) /* supplied name? */
116: {
117: fprintf (stderr, "-a requires a name\n");
118: exit (BAD);
119: }
120: else
121: {
122: struct auth_f whoami;
123: getname (&whoami, 0); /* grab real name */
124: sprintf (Seqname, "%s:%s", whoami.aname, argv[i]);
125: }
126: break;
127:
128: case 'o': /* zero date */
129: if (++i == argc) /* give a date? */
130: {
131: fprintf (stderr, "-o requires a date\n");
132: exit (BAD);
133: }
134: else
135: {
136: struct when_f ztime;
137:
138: switch (parsetime (argv[i], &ztime))
139: {
140: case 0: /* ok */
141: Basetime = ztime; /* store it */
142: setseq (USERSEQ); /* readonly */
143: break;
144: case -1: /* no good */
145: fprintf (stderr, "%s: unable to parse time `%s'\n",
146: Invokedas, argv[i]);
147: exit (BAD);
148: case -2: /* in future */
149: fprintf (stderr, "%s: parsed date (%s) is in the future\n",
150: Invokedas, argv[i]);
151: exit (BAD);
152: }
153: }
154: break;
155:
156: default:
157: fprintf (stderr, "Bad switch: `%c'\n", argv[i][1]);
158: }
159: }
160: else /* is a notesfile */
161: {
162: expand (argv[i]); /* add it to list */
163: notesargs++; /* supplied args */
164: }
165: }
166:
167: /*
168: * now, check some things and let it fly
169: */
170:
171: if (autoseq) /* grab sequencer */
172: {
173: if ((q = getenv ("NFSEQ")) != NULL) /* grab NFSEQ */
174: {
175: expand (q);
176: }
177: else
178: {
179: char rcbuf[WDLEN];
180: sprintf (rcbuf, "%s/%s/%s", Mstdir, UTILITY, SEQFILE);
181: if (readrc (rcbuf) != 0) /* system list */
182: expand (DFLTSEQ); /* give him default */
183: }
184: }
185:
186: if (!autoseq && !notesargs) /* wants a list */
187: {
188: usage ();
189: }
190:
191: intflag = 0; /* none yet */
192: catchem (); /* catch interupts */
193: ttystrt (); /* CBREAK mode */
194:
195: nfsdone = 0; /* count groups */
196: while ((nfptr = nextgroup ()) != (struct nflist_f *) NULL)
197: {
198: switch (control (nfptr -> nf_name, (int) nfptr -> nf_seqmode))
199: {
200: case QUITFAST: /* leave now */
201: case QUITUPD: /* likewise */
202: goto leaving;
203:
204: case QUITBAD: /* err in name or nf */
205: case QUITNEX: /* no nf there */
206: case (-1): /* "normal" return */
207: default:
208: break;
209: }
210: nfsdone++; /* count the ones done */
211: }
212: if (nfsdone == 0) /* check if did any */
213: {
214: ttystop (); /* turn it off */
215: printf ("No notesfiles processed\n");
216: fflush (stdout);
217: exit (GOOD);
218: }
219:
220: leaving: /* get out of here */
221: at (0, 1); /* at bottom LHS */
222: putc ('\n', stdout);
223: ttystop (); /* back to normal */
224: exit (GOOD);
225: }
226:
227: /*
228: * tell him how to invoke the program
229: */
230:
231: usage ()
232: {
233: char cmdline[CMDLEN]; /* build a command */
234: char *command;
235: fprintf (stderr,
236: "Usage: %s [-s] [-t ttytype] [-f file] [-a seqname] topic [...]\n",
237: Invokedas);
238: fprintf (stderr, "Hit <return> to continue\n"); /* ponder this */
239: getc (stderr); /* thanks to harpo!ber 4/30/82 */
240: if ((command = getenv ("PAGER")) == NULL) /* overridden? */
241: command = PAGER; /* assign default */
242: #ifndef FASTFORK
243: sprintf (cmdline, "%s < %s/%s/%s", command, Mstdir, UTILITY, AVAILHLP);
244: dounix (cmdline, 1, 0); /* print the list */
245: #else
246: sprintf (cmdline, "%s/%s/%s", Mstdir, UTILITY, AVAILHLP);
247: dounix (1, 0, command, cmdline, 0, 0, 0);
248: #endif
249: exit (BAD);
250: }
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