xref: /onnv-gate/usr/src/cmd/sort/common/convert.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2000-2002 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate /*
30*0Sstevel@tonic-gate  * convert
31*0Sstevel@tonic-gate  *   given a sort invocation, convert input files, and display sort collation
32*0Sstevel@tonic-gate  *   vectors to stdout.
33*0Sstevel@tonic-gate  */
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate #include "main.h"
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate #define	COLLATE_BUFSIZE	4096
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate static void
convert(sort_t * S)40*0Sstevel@tonic-gate convert(sort_t *S)
41*0Sstevel@tonic-gate {
42*0Sstevel@tonic-gate 	stream_t *convert_chain = S->m_input_streams;
43*0Sstevel@tonic-gate 	stream_t *cur_streamp = convert_chain;
44*0Sstevel@tonic-gate 	flag_t coll_flags;
45*0Sstevel@tonic-gate 	ssize_t (*coll_convert)(field_t *, line_rec_t *, flag_t, vchar_t);
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate 	coll_convert = S->m_coll_convert;
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate 	if (S->m_field_options & FIELD_REVERSE_COMPARISONS)
50*0Sstevel@tonic-gate 		coll_flags = COLL_REVERSE;
51*0Sstevel@tonic-gate 	else
52*0Sstevel@tonic-gate 		coll_flags = 0;
53*0Sstevel@tonic-gate 
54*0Sstevel@tonic-gate 	if (S->m_entire_line)
55*0Sstevel@tonic-gate 		coll_flags |= COLL_UNIQUE;
56*0Sstevel@tonic-gate 
57*0Sstevel@tonic-gate 	while (cur_streamp != NULL) {
58*0Sstevel@tonic-gate 		u_longlong_t lineno = 0;
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate 		stream_open_for_read(S, cur_streamp);
61*0Sstevel@tonic-gate 		if (cur_streamp->s_status & STREAM_SINGLE ||
62*0Sstevel@tonic-gate 		    cur_streamp->s_status & STREAM_WIDE)
63*0Sstevel@tonic-gate 			stream_set(cur_streamp, STREAM_INSTANT);
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate 		SOP_PRIME(cur_streamp);
66*0Sstevel@tonic-gate 
67*0Sstevel@tonic-gate 		cur_streamp->s_current.l_collate.sp = safe_realloc(NULL,
68*0Sstevel@tonic-gate 		    COLLATE_BUFSIZE);
69*0Sstevel@tonic-gate 		cur_streamp->s_current.l_collate_bufsize = COLLATE_BUFSIZE;
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate 		for (;;) {
72*0Sstevel@tonic-gate 			(void) coll_convert(S->m_fields_head,
73*0Sstevel@tonic-gate 			    &cur_streamp->s_current, FCV_REALLOC,
74*0Sstevel@tonic-gate 			    S->m_field_separator);
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate 			(void) fprintf(stdout, "(%llu) ", lineno++);
77*0Sstevel@tonic-gate 			if (cur_streamp->s_status & STREAM_WIDE)
78*0Sstevel@tonic-gate 				(void) fprintf(stdout, "%.*ws\n\n",
79*0Sstevel@tonic-gate 				    cur_streamp->s_current.l_data_length,
80*0Sstevel@tonic-gate 				    cur_streamp->s_current.l_data.wp);
81*0Sstevel@tonic-gate 			else
82*0Sstevel@tonic-gate 				(void) fprintf(stdout, "%.*s\n\n",
83*0Sstevel@tonic-gate 				    cur_streamp->s_current.l_data_length,
84*0Sstevel@tonic-gate 				    cur_streamp->s_current.l_data.usp);
85*0Sstevel@tonic-gate 			xdump(stdout, cur_streamp->s_current.l_collate.usp,
86*0Sstevel@tonic-gate 			    cur_streamp->s_current.l_collate_length,
87*0Sstevel@tonic-gate 			    cur_streamp->s_status & STREAM_WIDE);
88*0Sstevel@tonic-gate 			(void) fprintf(stdout, "\n");
89*0Sstevel@tonic-gate 
90*0Sstevel@tonic-gate 			if (SOP_EOS(cur_streamp))
91*0Sstevel@tonic-gate 				break;
92*0Sstevel@tonic-gate 
93*0Sstevel@tonic-gate 			SOP_FETCH(cur_streamp);
94*0Sstevel@tonic-gate 		}
95*0Sstevel@tonic-gate 
96*0Sstevel@tonic-gate 		(void) SOP_FREE(cur_streamp);
97*0Sstevel@tonic-gate 		(void) SOP_CLOSE(cur_streamp);
98*0Sstevel@tonic-gate 
99*0Sstevel@tonic-gate 		cur_streamp = cur_streamp->s_next;
100*0Sstevel@tonic-gate 	}
101*0Sstevel@tonic-gate }
102*0Sstevel@tonic-gate 
103*0Sstevel@tonic-gate int
main(int argc,char * argv[])104*0Sstevel@tonic-gate main(int argc, char *argv[])
105*0Sstevel@tonic-gate {
106*0Sstevel@tonic-gate 	sort_t S;
107*0Sstevel@tonic-gate 
108*0Sstevel@tonic-gate 	initialize_pre(&S);
109*0Sstevel@tonic-gate 
110*0Sstevel@tonic-gate 	if (options(&S, argc, argv))
111*0Sstevel@tonic-gate 		return (E_ERROR);
112*0Sstevel@tonic-gate 
113*0Sstevel@tonic-gate 	initialize_post(&S);
114*0Sstevel@tonic-gate 
115*0Sstevel@tonic-gate 	convert(&S);
116*0Sstevel@tonic-gate 
117*0Sstevel@tonic-gate 	return (E_SUCCESS);
118*0Sstevel@tonic-gate }
119