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1 /* help.c - print the usage line */
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2 #ifndef lint
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12
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3 static char ident[] = "@(#)$Id: help.c,v 1.1.1.1 2005/04/18 14:46:06 kono Exp $";
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4 #endif /* lint */
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5
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6 #include "../h/mh.h"
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7 #include <stdio.h>
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8
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9
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10 extern char *options[];
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11
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12
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13 void help (str, swp)
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14 register char *str;
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15 register struct swit *swp;
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16 {
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17 int nameoutput,
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18 len,
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19 linepos,
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20 outputlinelen;
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21 register char *cp,
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22 **ap;
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23
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24 printf ("syntax: %s\n", str);
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25 printf (" switches are:\n");
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26 printsw (ALL, swp, "-");
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27 if ((cp = m_find (invo_name)) != NULL)
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28 printf ("profile: %s\n", cp);
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29
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30 if (ssequal ("@(#)", cp = version))
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31 cp += 4;
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32 printf ("\nversion: %s\n", cp);
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33
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34 nameoutput = linepos = 0;
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35 outputlinelen = OUTPUTLINELEN;
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36 for (ap = options; *ap; ap++) {
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37 if (!nameoutput) {
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38 fprintf (stdout, "%s: ", cp = "options");
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39 linepos += (nameoutput = strlen (cp) + 2);
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40 }
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41 len = strlen (cp = *ap);
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42 if (linepos != nameoutput)
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43 if (len + linepos + 3 > outputlinelen)
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44 fprintf (stdout, "\n%*s", linepos = nameoutput, "");
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45 else {
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46 fputs (" ", stdout);
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47 linepos++;
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48 }
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49 fprintf (stdout, "[%s]", cp);
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50 linepos += len + 2;
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51 }
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52
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53 if (linepos)
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54 (void) fputc ('\n', stdout);
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55 }
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