usr/src/cmd/sort/common/convert.c

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