xref: /onnv-gate/usr/src/lib/libast/common/misc/fmtrec.c (revision 4887:feebf9260c2e)
1*4887Schin /***********************************************************************
2*4887Schin *                                                                      *
3*4887Schin *               This software is part of the ast package               *
4*4887Schin *           Copyright (c) 1985-2007 AT&T Knowledge Ventures            *
5*4887Schin *                      and is licensed under the                       *
6*4887Schin *                  Common Public License, Version 1.0                  *
7*4887Schin *                      by AT&T Knowledge Ventures                      *
8*4887Schin *                                                                      *
9*4887Schin *                A copy of the License is available at                 *
10*4887Schin *            http://www.opensource.org/licenses/cpl1.0.txt             *
11*4887Schin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12*4887Schin *                                                                      *
13*4887Schin *              Information and Software Systems Research               *
14*4887Schin *                            AT&T Research                             *
15*4887Schin *                           Florham Park NJ                            *
16*4887Schin *                                                                      *
17*4887Schin *                 Glenn Fowler <gsf@research.att.com>                  *
18*4887Schin *                  David Korn <dgk@research.att.com>                   *
19*4887Schin *                   Phong Vo <kpv@research.att.com>                    *
20*4887Schin *                                                                      *
21*4887Schin ***********************************************************************/
22*4887Schin #pragma prototyped
23*4887Schin 
24*4887Schin /*
25*4887Schin  * return the record format string given a format descriptor
26*4887Schin  */
27*4887Schin 
28*4887Schin #include <recfmt.h>
29*4887Schin #include <ctype.h>
30*4887Schin 
31*4887Schin char*
32*4887Schin fmtrec(Recfmt_t f, int fs)
33*4887Schin {
34*4887Schin 	char*	b;
35*4887Schin 	char*	e;
36*4887Schin 	char*	s;
37*4887Schin 	long	n;
38*4887Schin 	char	del[2];
39*4887Schin 
40*4887Schin 	b = s = fmtbuf(n = 32);
41*4887Schin 	e = b + n;
42*4887Schin 	switch (RECTYPE(f))
43*4887Schin 	{
44*4887Schin 	case REC_delimited:
45*4887Schin 		*s++ = 'd';
46*4887Schin 		if ((del[0] = REC_D_DELIMITER(f)) != '\n')
47*4887Schin 		{
48*4887Schin 			del[1] = 0;
49*4887Schin 			if (fs)
50*4887Schin 				sfsprintf(s, e - s, "0x%02x", *(unsigned char*)del);
51*4887Schin 			else
52*4887Schin 				sfsprintf(s, e - s, "%s", fmtquote(del, NiL, NiL, 1, 0));
53*4887Schin 		}
54*4887Schin 		else
55*4887Schin 			*s = 0;
56*4887Schin 		break;
57*4887Schin 	case REC_fixed:
58*4887Schin 		if (!fs)
59*4887Schin 			*s++ = 'f';
60*4887Schin 		sfsprintf(s, e - s, "%lu", REC_F_SIZE(f));
61*4887Schin 		break;
62*4887Schin 	case REC_variable:
63*4887Schin 		*s++ = 'v';
64*4887Schin 		if (n = REC_V_SIZE(f))
65*4887Schin 			s += sfsprintf(s, e - s, "%lu", n);
66*4887Schin 		if (REC_V_HEADER(f) != 4)
67*4887Schin 			s += sfsprintf(s, e - s, "h%u", REC_V_HEADER(f));
68*4887Schin 		if (REC_V_OFFSET(f) != 0)
69*4887Schin 			s += sfsprintf(s, e - s, "o%u", REC_V_OFFSET(f));
70*4887Schin 		if (REC_V_LENGTH(f) != 2)
71*4887Schin 			s += sfsprintf(s, e - s, "z%u", REC_V_LENGTH(f));
72*4887Schin 		if (REC_V_LITTLE(f) != 0)
73*4887Schin 			*s++ = 'l';
74*4887Schin 		if (REC_V_INCLUSIVE(f) == 0)
75*4887Schin 			*s++ = 'n';
76*4887Schin 		*s = 0;
77*4887Schin 		break;
78*4887Schin 	case REC_method:
79*4887Schin 		*s++ = 'm';
80*4887Schin 		switch (n = REC_M_INDEX(f))
81*4887Schin 		{
82*4887Schin 		case REC_M_data:
83*4887Schin 			sfsprintf(s, e - s, "data");
84*4887Schin 			break;
85*4887Schin 		case REC_M_path:
86*4887Schin 			sfsprintf(s, e - s, "path");
87*4887Schin 			break;
88*4887Schin 		default:
89*4887Schin 			sfsprintf(s, e - s, "%lu", n);
90*4887Schin 			break;
91*4887Schin 		}
92*4887Schin 		break;
93*4887Schin 	case REC_none:
94*4887Schin 		*s++ = 'n';
95*4887Schin 		*s = 0;
96*4887Schin 		break;
97*4887Schin 	default:
98*4887Schin 		sfsprintf(s, e - s, "u%u.0x%07x", RECTYPE(f), REC_U_ATTRIBUTES(f));
99*4887Schin 		break;
100*4887Schin 	}
101*4887Schin 	return b;
102*4887Schin }
103