From 9f77b065d3489231ee939bc32b8e65c420478832 Mon Sep 17 00:00:00 2001 From: Mathieu Malaterre Date: Fri, 2 Mar 2012 09:55:28 +0000 Subject: [PATCH] [trunk] Convert from DOS eol to UNIX eol --- applications/codec/index.c | 792 +++++++++---------- applications/codec/index.h | 98 +-- applications/codec/windirent.h | 1358 ++++++++++++++++---------------- 3 files changed, 1124 insertions(+), 1124 deletions(-) diff --git a/applications/codec/index.c b/applications/codec/index.c index b53d0417..098f366d 100644 --- a/applications/codec/index.c +++ b/applications/codec/index.c @@ -1,396 +1,396 @@ -/* - * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium - * Copyright (c) 2002-2007, Professor Benoit Macq - * Copyright (c) 2003-2007, Francois-Olivier Devaux - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ -#include "opj_config.h" - -#include -#include -#include -#include - -#include "openjpeg.h" -#include "index.h" - -/* ------------------------------------------------------------------------------------ */ - -/** -Write a structured index to a file -@param cstr_info Codestream information -@param index Index filename -@return Returns 0 if successful, returns 1 otherwise -*/ -int write_index_file(opj_codestream_info_t *cstr_info, char *index) { - int tileno, compno, layno, resno, precno, pack_nb, x, y; - FILE *stream = NULL; - double total_disto = 0; -/* UniPG>> */ - int tilepartno; - char disto_on, numpix_on; - -#ifdef USE_JPWL - if (!strcmp(index, JPWL_PRIVATEINDEX_NAME)) - return 0; -#endif /* USE_JPWL */ -/* <tile[0].distotile) - disto_on = 1; - else - disto_on = 0; - - if (cstr_info->tile[0].numpix) - numpix_on = 1; - else - numpix_on = 0; - - fprintf(stream, "%d %d\n", cstr_info->image_w, cstr_info->image_h); - fprintf(stream, "%d\n", cstr_info->prog); - fprintf(stream, "%d %d\n", cstr_info->tile_x, cstr_info->tile_y); - fprintf(stream, "%d %d\n", cstr_info->tw, cstr_info->th); - fprintf(stream, "%d\n", cstr_info->numcomps); - fprintf(stream, "%d\n", cstr_info->numlayers); - fprintf(stream, "%d\n", cstr_info->numdecompos[0]); /* based on component 0 */ - - for (resno = cstr_info->numdecompos[0]; resno >= 0; resno--) { - fprintf(stream, "[%d,%d] ", - (1 << cstr_info->tile[0].pdx[resno]), (1 << cstr_info->tile[0].pdx[resno])); /* based on tile 0 and component 0 */ - } - - fprintf(stream, "\n"); -/* UniPG>> */ - fprintf(stream, "%d\n", cstr_info->main_head_start); -/* <main_head_end); - fprintf(stream, "%d\n", cstr_info->codestream_size); - - fprintf(stream, "\nINFO ON TILES\n"); - fprintf(stream, "tileno start_pos end_hd end_tile nbparts"); - if (disto_on) - fprintf(stream," disto"); - if (numpix_on) - fprintf(stream," nbpix"); - if (disto_on && numpix_on) - fprintf(stream," disto/nbpix"); - fprintf(stream, "\n"); - - for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) { - fprintf(stream, "%4d %9d %9d %9d %9d", - cstr_info->tile[tileno].tileno, - cstr_info->tile[tileno].start_pos, - cstr_info->tile[tileno].end_header, - cstr_info->tile[tileno].end_pos, - cstr_info->tile[tileno].num_tps); - if (disto_on) - fprintf(stream," %9e", cstr_info->tile[tileno].distotile); - if (numpix_on) - fprintf(stream," %9d", cstr_info->tile[tileno].numpix); - if (disto_on && numpix_on) - fprintf(stream," %9e", cstr_info->tile[tileno].distotile / cstr_info->tile[tileno].numpix); - fprintf(stream, "\n"); - } - - for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) { - int start_pos, end_ph_pos, end_pos; - double disto = 0; - int max_numdecompos = 0; - pack_nb = 0; - - for (compno = 0; compno < cstr_info->numcomps; compno++) { - if (max_numdecompos < cstr_info->numdecompos[compno]) - max_numdecompos = cstr_info->numdecompos[compno]; - } - - fprintf(stream, "\nTILE %d DETAILS\n", tileno); - fprintf(stream, "part_nb tileno start_pack num_packs start_pos end_tph_pos end_pos\n"); - for (tilepartno = 0; tilepartno < cstr_info->tile[tileno].num_tps; tilepartno++) - fprintf(stream, "%4d %9d %9d %9d %9d %11d %9d\n", - tilepartno, tileno, - cstr_info->tile[tileno].tp[tilepartno].tp_start_pack, - cstr_info->tile[tileno].tp[tilepartno].tp_numpacks, - cstr_info->tile[tileno].tp[tilepartno].tp_start_pos, - cstr_info->tile[tileno].tp[tilepartno].tp_end_header, - cstr_info->tile[tileno].tp[tilepartno].tp_end_pos - ); - - if (cstr_info->prog == LRCP) { /* LRCP */ - fprintf(stream, "LRCP\npack_nb tileno layno resno compno precno start_pos end_ph_pos end_pos"); - if (disto_on) - fprintf(stream, " disto"); - fprintf(stream,"\n"); - - for (layno = 0; layno < cstr_info->numlayers; layno++) { - for (resno = 0; resno < max_numdecompos + 1; resno++) { - for (compno = 0; compno < cstr_info->numcomps; compno++) { - int prec_max; - if (resno > cstr_info->numdecompos[compno]) - break; - prec_max = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; - for (precno = 0; precno < prec_max; precno++) { - start_pos = cstr_info->tile[tileno].packet[pack_nb].start_pos; - end_ph_pos = cstr_info->tile[tileno].packet[pack_nb].end_ph_pos; - end_pos = cstr_info->tile[tileno].packet[pack_nb].end_pos; - disto = cstr_info->tile[tileno].packet[pack_nb].disto; - fprintf(stream, "%4d %6d %7d %5d %6d %6d %6d %6d %7d", - pack_nb, tileno, layno, resno, compno, precno, start_pos, end_ph_pos, end_pos); - if (disto_on) - fprintf(stream, " %8e", disto); - fprintf(stream, "\n"); - total_disto += disto; - pack_nb++; - } - } - } - } - } /* LRCP */ - - else if (cstr_info->prog == RLCP) { /* RLCP */ - fprintf(stream, "RLCP\npack_nb tileno resno layno compno precno start_pos end_ph_pos end_pos\n"); - if (disto_on) - fprintf(stream, " disto"); - fprintf(stream,"\n"); - - for (resno = 0; resno < max_numdecompos + 1; resno++) { - for (layno = 0; layno < cstr_info->numlayers; layno++) { - for (compno = 0; compno < cstr_info->numcomps; compno++) { - int prec_max; - if (resno > cstr_info->numdecompos[compno]) - break; - prec_max = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; - for (precno = 0; precno < prec_max; precno++) { - start_pos = cstr_info->tile[tileno].packet[pack_nb].start_pos; - end_ph_pos = cstr_info->tile[tileno].packet[pack_nb].end_ph_pos; - end_pos = cstr_info->tile[tileno].packet[pack_nb].end_pos; - disto = cstr_info->tile[tileno].packet[pack_nb].disto; - fprintf(stream, "%4d %6d %5d %7d %6d %6d %9d %9d %7d", - pack_nb, tileno, resno, layno, compno, precno, start_pos, end_ph_pos, end_pos); - if (disto_on) - fprintf(stream, " %8e", disto); - fprintf(stream, "\n"); - total_disto += disto; - pack_nb++; - } - } - } - } - } /* RLCP */ - - else if (cstr_info->prog == RPCL) { /* RPCL */ - - fprintf(stream, "RPCL\npack_nb tileno resno precno compno layno start_pos end_ph_pos end_pos"); - if (disto_on) - fprintf(stream, " disto"); - fprintf(stream,"\n"); - - for (resno = 0; resno < max_numdecompos + 1; resno++) { - int numprec = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; - for (precno = 0; precno < numprec; precno++) { - /* I suppose components have same XRsiz, YRsiz */ - int x0 = cstr_info->tile_Ox + tileno - (int)floor((float)tileno/(float)cstr_info->tw ) * cstr_info->tw * cstr_info->tile_x; - int y0 = cstr_info->tile_Ox + (int)floor( (float)tileno/(float)cstr_info->tw ) * cstr_info->tile_y; - int x1 = x0 + cstr_info->tile_x; - int y1 = y0 + cstr_info->tile_y; - for (compno = 0; compno < cstr_info->numcomps; compno++) { - int pcnx = cstr_info->tile[tileno].pw[resno]; - int pcx = (int) pow( 2, cstr_info->tile[tileno].pdx[resno] + cstr_info->numdecompos[compno] - resno ); - int pcy = (int) pow( 2, cstr_info->tile[tileno].pdy[resno] + cstr_info->numdecompos[compno] - resno ); - int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx; - int precno_y = (int) floor( (float)precno/(float)pcnx ); - if (resno > cstr_info->numdecompos[compno]) - break; - for(y = y0; y < y1; y++) { - if (precno_y*pcy == y ) { - for (x = x0; x < x1; x++) { - if (precno_x*pcx == x ) { - for (layno = 0; layno < cstr_info->numlayers; layno++) { - start_pos = cstr_info->tile[tileno].packet[pack_nb].start_pos; - end_ph_pos = cstr_info->tile[tileno].packet[pack_nb].end_ph_pos; - end_pos = cstr_info->tile[tileno].packet[pack_nb].end_pos; - disto = cstr_info->tile[tileno].packet[pack_nb].disto; - fprintf(stream, "%4d %6d %5d %6d %6d %7d %9d %9d %7d", - pack_nb, tileno, resno, precno, compno, layno, start_pos, end_ph_pos, end_pos); - if (disto_on) - fprintf(stream, " %8e", disto); - fprintf(stream, "\n"); - total_disto += disto; - pack_nb++; - } - } - }/* x = x0..x1 */ - } - } /* y = y0..y1 */ - } /* precno */ - } /* compno */ - } /* resno */ - } /* RPCL */ - - else if (cstr_info->prog == PCRL) { /* PCRL */ - /* I suppose components have same XRsiz, YRsiz */ - int x0 = cstr_info->tile_Ox + tileno - (int)floor( (float)tileno/(float)cstr_info->tw ) * cstr_info->tw * cstr_info->tile_x; - int y0 = cstr_info->tile_Ox + (int)floor( (float)tileno/(float)cstr_info->tw ) * cstr_info->tile_y; - int x1 = x0 + cstr_info->tile_x; - int y1 = y0 + cstr_info->tile_y; - - // Count the maximum number of precincts - int max_numprec = 0; - for (resno = 0; resno < max_numdecompos + 1; resno++) { - int numprec = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; - if (numprec > max_numprec) - max_numprec = numprec; - } - - fprintf(stream, "PCRL\npack_nb tileno precno compno resno layno start_pos end_ph_pos end_pos"); - if (disto_on) - fprintf(stream, " disto"); - fprintf(stream,"\n"); - - for (precno = 0; precno < max_numprec; precno++) { - for (compno = 0; compno < cstr_info->numcomps; compno++) { - for (resno = 0; resno < cstr_info->numdecompos[compno] + 1; resno++) { - int numprec = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; - int pcnx = cstr_info->tile[tileno].pw[resno]; - int pcx = (int) pow( 2, cstr_info->tile[tileno].pdx[resno] + cstr_info->numdecompos[compno] - resno ); - int pcy = (int) pow( 2, cstr_info->tile[tileno].pdy[resno] + cstr_info->numdecompos[compno] - resno ); - int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx; - int precno_y = (int) floor( (float)precno/(float)pcnx ); - if (precno >= numprec) - continue; - for(y = y0; y < y1; y++) { - if (precno_y*pcy == y ) { - for (x = x0; x < x1; x++) { - if (precno_x*pcx == x ) { - for (layno = 0; layno < cstr_info->numlayers; layno++) { - start_pos = cstr_info->tile[tileno].packet[pack_nb].start_pos; - end_ph_pos = cstr_info->tile[tileno].packet[pack_nb].end_ph_pos; - end_pos = cstr_info->tile[tileno].packet[pack_nb].end_pos; - disto = cstr_info->tile[tileno].packet[pack_nb].disto; - fprintf(stream, "%4d %6d %6d %6d %5d %7d %9d %9d %7d", - pack_nb, tileno, precno, compno, resno, layno, start_pos, end_ph_pos, end_pos); - if (disto_on) - fprintf(stream, " %8e", disto); - fprintf(stream, "\n"); - total_disto += disto; - pack_nb++; - } - } - }/* x = x0..x1 */ - } - } /* y = y0..y1 */ - } /* resno */ - } /* compno */ - } /* precno */ - } /* PCRL */ - - else { /* CPRL */ - // Count the maximum number of precincts - int max_numprec = 0; - for (resno = 0; resno < max_numdecompos + 1; resno++) { - int numprec = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; - if (numprec > max_numprec) - max_numprec = numprec; - } - - fprintf(stream, "CPRL\npack_nb tileno compno precno resno layno start_pos end_ph_pos end_pos"); - if (disto_on) - fprintf(stream, " disto"); - fprintf(stream,"\n"); - - for (compno = 0; compno < cstr_info->numcomps; compno++) { - /* I suppose components have same XRsiz, YRsiz */ - int x0 = cstr_info->tile_Ox + tileno - (int)floor( (float)tileno/(float)cstr_info->tw ) * cstr_info->tw * cstr_info->tile_x; - int y0 = cstr_info->tile_Ox + (int)floor( (float)tileno/(float)cstr_info->tw ) * cstr_info->tile_y; - int x1 = x0 + cstr_info->tile_x; - int y1 = y0 + cstr_info->tile_y; - - for (precno = 0; precno < max_numprec; precno++) { - for (resno = 0; resno < cstr_info->numdecompos[compno] + 1; resno++) { - int numprec = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; - int pcnx = cstr_info->tile[tileno].pw[resno]; - int pcx = (int) pow( 2, cstr_info->tile[tileno].pdx[resno] + cstr_info->numdecompos[compno] - resno ); - int pcy = (int) pow( 2, cstr_info->tile[tileno].pdy[resno] + cstr_info->numdecompos[compno] - resno ); - int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx; - int precno_y = (int) floor( (float)precno/(float)pcnx ); - if (precno >= numprec) - continue; - - for(y = y0; y < y1; y++) { - if (precno_y*pcy == y ) { - for (x = x0; x < x1; x++) { - if (precno_x*pcx == x ) { - for (layno = 0; layno < cstr_info->numlayers; layno++) { - start_pos = cstr_info->tile[tileno].packet[pack_nb].start_pos; - end_ph_pos = cstr_info->tile[tileno].packet[pack_nb].end_ph_pos; - end_pos = cstr_info->tile[tileno].packet[pack_nb].end_pos; - disto = cstr_info->tile[tileno].packet[pack_nb].disto; - fprintf(stream, "%4d %6d %6d %6d %5d %7d %9d %9d %7d", - pack_nb, tileno, compno, precno, resno, layno, start_pos, end_ph_pos, end_pos); - if (disto_on) - fprintf(stream, " %8e", disto); - fprintf(stream, "\n"); - total_disto += disto; - pack_nb++; - } - } - }/* x = x0..x1 */ - } - } /* y = y0..y1 */ - } /* resno */ - } /* precno */ - } /* compno */ - } /* CPRL */ - } /* tileno */ - - if (disto_on) { - fprintf(stream, "%8e\n", cstr_info->D_max); /* SE max */ - fprintf(stream, "%.8e\n", total_disto); /* SE totale */ - } -/* UniPG>> */ - /* print the markers' list */ - if (cstr_info->marknum) { - fprintf(stream, "\nMARKER LIST\n"); - fprintf(stream, "%d\n", cstr_info->marknum); - fprintf(stream, "type\tstart_pos length\n"); - for (x = 0; x < cstr_info->marknum; x++) - fprintf(stream, "%X\t%9" OPJ_OFF_F "d %9d\n", cstr_info->marker[x].type, cstr_info->marker[x].pos, cstr_info->marker[x].len); - } -/* < +#include +#include +#include + +#include "openjpeg.h" +#include "index.h" + +/* ------------------------------------------------------------------------------------ */ + +/** +Write a structured index to a file +@param cstr_info Codestream information +@param index Index filename +@return Returns 0 if successful, returns 1 otherwise +*/ +int write_index_file(opj_codestream_info_t *cstr_info, char *index) { + int tileno, compno, layno, resno, precno, pack_nb, x, y; + FILE *stream = NULL; + double total_disto = 0; +/* UniPG>> */ + int tilepartno; + char disto_on, numpix_on; + +#ifdef USE_JPWL + if (!strcmp(index, JPWL_PRIVATEINDEX_NAME)) + return 0; +#endif /* USE_JPWL */ +/* <tile[0].distotile) + disto_on = 1; + else + disto_on = 0; + + if (cstr_info->tile[0].numpix) + numpix_on = 1; + else + numpix_on = 0; + + fprintf(stream, "%d %d\n", cstr_info->image_w, cstr_info->image_h); + fprintf(stream, "%d\n", cstr_info->prog); + fprintf(stream, "%d %d\n", cstr_info->tile_x, cstr_info->tile_y); + fprintf(stream, "%d %d\n", cstr_info->tw, cstr_info->th); + fprintf(stream, "%d\n", cstr_info->numcomps); + fprintf(stream, "%d\n", cstr_info->numlayers); + fprintf(stream, "%d\n", cstr_info->numdecompos[0]); /* based on component 0 */ + + for (resno = cstr_info->numdecompos[0]; resno >= 0; resno--) { + fprintf(stream, "[%d,%d] ", + (1 << cstr_info->tile[0].pdx[resno]), (1 << cstr_info->tile[0].pdx[resno])); /* based on tile 0 and component 0 */ + } + + fprintf(stream, "\n"); +/* UniPG>> */ + fprintf(stream, "%d\n", cstr_info->main_head_start); +/* <main_head_end); + fprintf(stream, "%d\n", cstr_info->codestream_size); + + fprintf(stream, "\nINFO ON TILES\n"); + fprintf(stream, "tileno start_pos end_hd end_tile nbparts"); + if (disto_on) + fprintf(stream," disto"); + if (numpix_on) + fprintf(stream," nbpix"); + if (disto_on && numpix_on) + fprintf(stream," disto/nbpix"); + fprintf(stream, "\n"); + + for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) { + fprintf(stream, "%4d %9d %9d %9d %9d", + cstr_info->tile[tileno].tileno, + cstr_info->tile[tileno].start_pos, + cstr_info->tile[tileno].end_header, + cstr_info->tile[tileno].end_pos, + cstr_info->tile[tileno].num_tps); + if (disto_on) + fprintf(stream," %9e", cstr_info->tile[tileno].distotile); + if (numpix_on) + fprintf(stream," %9d", cstr_info->tile[tileno].numpix); + if (disto_on && numpix_on) + fprintf(stream," %9e", cstr_info->tile[tileno].distotile / cstr_info->tile[tileno].numpix); + fprintf(stream, "\n"); + } + + for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) { + int start_pos, end_ph_pos, end_pos; + double disto = 0; + int max_numdecompos = 0; + pack_nb = 0; + + for (compno = 0; compno < cstr_info->numcomps; compno++) { + if (max_numdecompos < cstr_info->numdecompos[compno]) + max_numdecompos = cstr_info->numdecompos[compno]; + } + + fprintf(stream, "\nTILE %d DETAILS\n", tileno); + fprintf(stream, "part_nb tileno start_pack num_packs start_pos end_tph_pos end_pos\n"); + for (tilepartno = 0; tilepartno < cstr_info->tile[tileno].num_tps; tilepartno++) + fprintf(stream, "%4d %9d %9d %9d %9d %11d %9d\n", + tilepartno, tileno, + cstr_info->tile[tileno].tp[tilepartno].tp_start_pack, + cstr_info->tile[tileno].tp[tilepartno].tp_numpacks, + cstr_info->tile[tileno].tp[tilepartno].tp_start_pos, + cstr_info->tile[tileno].tp[tilepartno].tp_end_header, + cstr_info->tile[tileno].tp[tilepartno].tp_end_pos + ); + + if (cstr_info->prog == LRCP) { /* LRCP */ + fprintf(stream, "LRCP\npack_nb tileno layno resno compno precno start_pos end_ph_pos end_pos"); + if (disto_on) + fprintf(stream, " disto"); + fprintf(stream,"\n"); + + for (layno = 0; layno < cstr_info->numlayers; layno++) { + for (resno = 0; resno < max_numdecompos + 1; resno++) { + for (compno = 0; compno < cstr_info->numcomps; compno++) { + int prec_max; + if (resno > cstr_info->numdecompos[compno]) + break; + prec_max = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; + for (precno = 0; precno < prec_max; precno++) { + start_pos = cstr_info->tile[tileno].packet[pack_nb].start_pos; + end_ph_pos = cstr_info->tile[tileno].packet[pack_nb].end_ph_pos; + end_pos = cstr_info->tile[tileno].packet[pack_nb].end_pos; + disto = cstr_info->tile[tileno].packet[pack_nb].disto; + fprintf(stream, "%4d %6d %7d %5d %6d %6d %6d %6d %7d", + pack_nb, tileno, layno, resno, compno, precno, start_pos, end_ph_pos, end_pos); + if (disto_on) + fprintf(stream, " %8e", disto); + fprintf(stream, "\n"); + total_disto += disto; + pack_nb++; + } + } + } + } + } /* LRCP */ + + else if (cstr_info->prog == RLCP) { /* RLCP */ + fprintf(stream, "RLCP\npack_nb tileno resno layno compno precno start_pos end_ph_pos end_pos\n"); + if (disto_on) + fprintf(stream, " disto"); + fprintf(stream,"\n"); + + for (resno = 0; resno < max_numdecompos + 1; resno++) { + for (layno = 0; layno < cstr_info->numlayers; layno++) { + for (compno = 0; compno < cstr_info->numcomps; compno++) { + int prec_max; + if (resno > cstr_info->numdecompos[compno]) + break; + prec_max = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; + for (precno = 0; precno < prec_max; precno++) { + start_pos = cstr_info->tile[tileno].packet[pack_nb].start_pos; + end_ph_pos = cstr_info->tile[tileno].packet[pack_nb].end_ph_pos; + end_pos = cstr_info->tile[tileno].packet[pack_nb].end_pos; + disto = cstr_info->tile[tileno].packet[pack_nb].disto; + fprintf(stream, "%4d %6d %5d %7d %6d %6d %9d %9d %7d", + pack_nb, tileno, resno, layno, compno, precno, start_pos, end_ph_pos, end_pos); + if (disto_on) + fprintf(stream, " %8e", disto); + fprintf(stream, "\n"); + total_disto += disto; + pack_nb++; + } + } + } + } + } /* RLCP */ + + else if (cstr_info->prog == RPCL) { /* RPCL */ + + fprintf(stream, "RPCL\npack_nb tileno resno precno compno layno start_pos end_ph_pos end_pos"); + if (disto_on) + fprintf(stream, " disto"); + fprintf(stream,"\n"); + + for (resno = 0; resno < max_numdecompos + 1; resno++) { + int numprec = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; + for (precno = 0; precno < numprec; precno++) { + /* I suppose components have same XRsiz, YRsiz */ + int x0 = cstr_info->tile_Ox + tileno - (int)floor((float)tileno/(float)cstr_info->tw ) * cstr_info->tw * cstr_info->tile_x; + int y0 = cstr_info->tile_Ox + (int)floor( (float)tileno/(float)cstr_info->tw ) * cstr_info->tile_y; + int x1 = x0 + cstr_info->tile_x; + int y1 = y0 + cstr_info->tile_y; + for (compno = 0; compno < cstr_info->numcomps; compno++) { + int pcnx = cstr_info->tile[tileno].pw[resno]; + int pcx = (int) pow( 2, cstr_info->tile[tileno].pdx[resno] + cstr_info->numdecompos[compno] - resno ); + int pcy = (int) pow( 2, cstr_info->tile[tileno].pdy[resno] + cstr_info->numdecompos[compno] - resno ); + int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx; + int precno_y = (int) floor( (float)precno/(float)pcnx ); + if (resno > cstr_info->numdecompos[compno]) + break; + for(y = y0; y < y1; y++) { + if (precno_y*pcy == y ) { + for (x = x0; x < x1; x++) { + if (precno_x*pcx == x ) { + for (layno = 0; layno < cstr_info->numlayers; layno++) { + start_pos = cstr_info->tile[tileno].packet[pack_nb].start_pos; + end_ph_pos = cstr_info->tile[tileno].packet[pack_nb].end_ph_pos; + end_pos = cstr_info->tile[tileno].packet[pack_nb].end_pos; + disto = cstr_info->tile[tileno].packet[pack_nb].disto; + fprintf(stream, "%4d %6d %5d %6d %6d %7d %9d %9d %7d", + pack_nb, tileno, resno, precno, compno, layno, start_pos, end_ph_pos, end_pos); + if (disto_on) + fprintf(stream, " %8e", disto); + fprintf(stream, "\n"); + total_disto += disto; + pack_nb++; + } + } + }/* x = x0..x1 */ + } + } /* y = y0..y1 */ + } /* precno */ + } /* compno */ + } /* resno */ + } /* RPCL */ + + else if (cstr_info->prog == PCRL) { /* PCRL */ + /* I suppose components have same XRsiz, YRsiz */ + int x0 = cstr_info->tile_Ox + tileno - (int)floor( (float)tileno/(float)cstr_info->tw ) * cstr_info->tw * cstr_info->tile_x; + int y0 = cstr_info->tile_Ox + (int)floor( (float)tileno/(float)cstr_info->tw ) * cstr_info->tile_y; + int x1 = x0 + cstr_info->tile_x; + int y1 = y0 + cstr_info->tile_y; + + // Count the maximum number of precincts + int max_numprec = 0; + for (resno = 0; resno < max_numdecompos + 1; resno++) { + int numprec = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; + if (numprec > max_numprec) + max_numprec = numprec; + } + + fprintf(stream, "PCRL\npack_nb tileno precno compno resno layno start_pos end_ph_pos end_pos"); + if (disto_on) + fprintf(stream, " disto"); + fprintf(stream,"\n"); + + for (precno = 0; precno < max_numprec; precno++) { + for (compno = 0; compno < cstr_info->numcomps; compno++) { + for (resno = 0; resno < cstr_info->numdecompos[compno] + 1; resno++) { + int numprec = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; + int pcnx = cstr_info->tile[tileno].pw[resno]; + int pcx = (int) pow( 2, cstr_info->tile[tileno].pdx[resno] + cstr_info->numdecompos[compno] - resno ); + int pcy = (int) pow( 2, cstr_info->tile[tileno].pdy[resno] + cstr_info->numdecompos[compno] - resno ); + int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx; + int precno_y = (int) floor( (float)precno/(float)pcnx ); + if (precno >= numprec) + continue; + for(y = y0; y < y1; y++) { + if (precno_y*pcy == y ) { + for (x = x0; x < x1; x++) { + if (precno_x*pcx == x ) { + for (layno = 0; layno < cstr_info->numlayers; layno++) { + start_pos = cstr_info->tile[tileno].packet[pack_nb].start_pos; + end_ph_pos = cstr_info->tile[tileno].packet[pack_nb].end_ph_pos; + end_pos = cstr_info->tile[tileno].packet[pack_nb].end_pos; + disto = cstr_info->tile[tileno].packet[pack_nb].disto; + fprintf(stream, "%4d %6d %6d %6d %5d %7d %9d %9d %7d", + pack_nb, tileno, precno, compno, resno, layno, start_pos, end_ph_pos, end_pos); + if (disto_on) + fprintf(stream, " %8e", disto); + fprintf(stream, "\n"); + total_disto += disto; + pack_nb++; + } + } + }/* x = x0..x1 */ + } + } /* y = y0..y1 */ + } /* resno */ + } /* compno */ + } /* precno */ + } /* PCRL */ + + else { /* CPRL */ + // Count the maximum number of precincts + int max_numprec = 0; + for (resno = 0; resno < max_numdecompos + 1; resno++) { + int numprec = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; + if (numprec > max_numprec) + max_numprec = numprec; + } + + fprintf(stream, "CPRL\npack_nb tileno compno precno resno layno start_pos end_ph_pos end_pos"); + if (disto_on) + fprintf(stream, " disto"); + fprintf(stream,"\n"); + + for (compno = 0; compno < cstr_info->numcomps; compno++) { + /* I suppose components have same XRsiz, YRsiz */ + int x0 = cstr_info->tile_Ox + tileno - (int)floor( (float)tileno/(float)cstr_info->tw ) * cstr_info->tw * cstr_info->tile_x; + int y0 = cstr_info->tile_Ox + (int)floor( (float)tileno/(float)cstr_info->tw ) * cstr_info->tile_y; + int x1 = x0 + cstr_info->tile_x; + int y1 = y0 + cstr_info->tile_y; + + for (precno = 0; precno < max_numprec; precno++) { + for (resno = 0; resno < cstr_info->numdecompos[compno] + 1; resno++) { + int numprec = cstr_info->tile[tileno].pw[resno] * cstr_info->tile[tileno].ph[resno]; + int pcnx = cstr_info->tile[tileno].pw[resno]; + int pcx = (int) pow( 2, cstr_info->tile[tileno].pdx[resno] + cstr_info->numdecompos[compno] - resno ); + int pcy = (int) pow( 2, cstr_info->tile[tileno].pdy[resno] + cstr_info->numdecompos[compno] - resno ); + int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx; + int precno_y = (int) floor( (float)precno/(float)pcnx ); + if (precno >= numprec) + continue; + + for(y = y0; y < y1; y++) { + if (precno_y*pcy == y ) { + for (x = x0; x < x1; x++) { + if (precno_x*pcx == x ) { + for (layno = 0; layno < cstr_info->numlayers; layno++) { + start_pos = cstr_info->tile[tileno].packet[pack_nb].start_pos; + end_ph_pos = cstr_info->tile[tileno].packet[pack_nb].end_ph_pos; + end_pos = cstr_info->tile[tileno].packet[pack_nb].end_pos; + disto = cstr_info->tile[tileno].packet[pack_nb].disto; + fprintf(stream, "%4d %6d %6d %6d %5d %7d %9d %9d %7d", + pack_nb, tileno, compno, precno, resno, layno, start_pos, end_ph_pos, end_pos); + if (disto_on) + fprintf(stream, " %8e", disto); + fprintf(stream, "\n"); + total_disto += disto; + pack_nb++; + } + } + }/* x = x0..x1 */ + } + } /* y = y0..y1 */ + } /* resno */ + } /* precno */ + } /* compno */ + } /* CPRL */ + } /* tileno */ + + if (disto_on) { + fprintf(stream, "%8e\n", cstr_info->D_max); /* SE max */ + fprintf(stream, "%.8e\n", total_disto); /* SE totale */ + } +/* UniPG>> */ + /* print the markers' list */ + if (cstr_info->marknum) { + fprintf(stream, "\nMARKER LIST\n"); + fprintf(stream, "%d\n", cstr_info->marknum); + fprintf(stream, "type\tstart_pos length\n"); + for (x = 0; x < cstr_info->marknum; x++) + fprintf(stream, "%X\t%9" OPJ_OFF_F "d %9d\n", cstr_info->marker[x].type, cstr_info->marker[x].pos, cstr_info->marker[x].len); + } +/* < - * - * $Id: uce-dirent.h,v 1.7 2002/05/13 10:48:35 tr Exp $ - * - * $Log: uce-dirent.h,v $ - * Revision 1.7 2002/05/13 10:48:35 tr - * embedded some source code directly to the header so that no source - * modules need to be included in the MS Visual C project using the - * interface, removed all the dependencies to other headers of the `uce' - * library so that the header can be made public - * - * Revision 1.6 2002/04/12 16:22:04 tr - * Unified Compiling Environment (UCE) replaced `std' library - * - * Revision 1.5 2001/07/20 16:33:40 tr - * moved to `std' library and re-named defines accordingly - * - * Revision 1.4 2001/07/10 16:47:18 tronkko - * revised comments - * - * Revision 1.3 2001/01/11 13:16:43 tr - * using ``uce-machine.h'' for finding out defines such as `FREEBSD' - * - * Revision 1.2 2000/10/08 16:00:41 tr - * copy of FreeBSD man page - * - * Revision 1.1 2000/07/10 05:53:16 tr - * Initial revision - * - * Revision 1.2 1998/07/19 18:29:14 tr - * Added error reporting capabilities and some asserts. - * - * Revision 1.1 1998/07/04 16:27:51 tr - * Initial revision - * - * - * MSVC 1.0 scans automatic dependencies incorrectly when your project - * contains this very header. The problem is that MSVC cannot handle - * include directives inside #if..#endif block those are never entered. - * Since this header ought to compile in many different operating systems, - * there had to be several conditional blocks that are compiled only in - * operating systems for what they were designed for. MSVC 1.0 cannot - * handle inclusion of sys/dir.h in a part that is compiled only in Apollo - * operating system. To fix the problem you need to insert DIR.H into - * SYSINCL.DAT located in MSVC\BIN directory and restart visual C++. - * Consult manuals for more informaton about the problem. - * - * Since many UNIX systems have dirent.h we assume to have one also. - * However, if your UNIX system does not have dirent.h you can download one - * for example at: http://ftp.uni-mannheim.de/ftp/GNU/dirent/dirent.tar.gz. - * You can also see if you have one of dirent.h, direct.h, dir.h, ndir.h, - * sys/dir.h and sys/ndir.h somewhere. Try defining HAVE_DIRENT_H, - * HAVE_DIRECT_H, HAVE_DIR_H, HAVE_NDIR_H, HAVE_SYS_DIR_H and - * HAVE_SYS_NDIR_H according to the files found. - */ -#ifndef DIRENT_H -#define DIRENT_H -#define DIRENT_H_INCLUDED - -/* find out platform */ -#if defined(MSDOS) /* MS-DOS */ -#elif defined(__MSDOS__) /* Turbo C/Borland */ -# define MSDOS -#elif defined(__DOS__) /* Watcom */ -# define MSDOS -#endif - -#if defined(WIN32) /* MS-Windows */ -#elif defined(__NT__) /* Watcom */ -# define WIN32 -#elif defined(_WIN32) /* Microsoft */ -# define WIN32 -#elif defined(__WIN32__) /* Borland */ -# define WIN32 -#endif - -/* - * See what kind of dirent interface we have unless autoconf has already - * determinated that. - */ -#if !defined(HAVE_DIRENT_H) && !defined(HAVE_DIRECT_H) && !defined(HAVE_SYS_DIR_H) && !defined(HAVE_NDIR_H) && !defined(HAVE_SYS_NDIR_H) && !defined(HAVE_DIR_H) -# if defined(_MSC_VER) /* Microsoft C/C++ */ - /* no dirent.h */ -# elif defined(__MINGW32__) /* MinGW */ - /* no dirent.h */ -# elif defined(__BORLANDC__) /* Borland C/C++ */ -# define HAVE_DIRENT_H -# define VOID_CLOSEDIR -# elif defined(__TURBOC__) /* Borland Turbo C */ - /* no dirent.h */ -# elif defined(__WATCOMC__) /* Watcom C/C++ */ -# define HAVE_DIRECT_H -# elif defined(__apollo) /* Apollo */ -# define HAVE_SYS_DIR_H -# elif defined(__hpux) /* HP-UX */ -# define HAVE_DIRENT_H -# elif (defined(__alpha) || defined(__alpha__)) && !defined(__linux__) /* Alpha OSF1 */ -# error "not implemented" -# elif defined(__sgi) /* Silicon Graphics */ -# define HAVE_DIRENT_H -# elif defined(sun) || defined(__sun) /* Sun Solaris */ -# define HAVE_DIRENT_H -# elif defined(__FreeBSD__) /* FreeBSD */ -# define HAVE_DIRENT_H -# elif defined(__linux__) /* Linux */ -# define HAVE_DIRENT_H -# elif defined(__GNUC__) /* GNU C/C++ */ -# define HAVE_DIRENT_H -# else -# error "not implemented" -# endif -#endif - -/* include proper interface headers */ -#if defined(HAVE_DIRENT_H) -# include -# ifdef FREEBSD -# define NAMLEN(dp) ((int)((dp)->d_namlen)) -# else -# define NAMLEN(dp) ((int)(strlen((dp)->d_name))) -# endif - -#elif defined(HAVE_NDIR_H) -# include -# define NAMLEN(dp) ((int)((dp)->d_namlen)) - -#elif defined(HAVE_SYS_NDIR_H) -# include -# define NAMLEN(dp) ((int)((dp)->d_namlen)) - -#elif defined(HAVE_DIRECT_H) -# include -# define NAMLEN(dp) ((int)((dp)->d_namlen)) - -#elif defined(HAVE_DIR_H) -# include -# define NAMLEN(dp) ((int)((dp)->d_namlen)) - -#elif defined(HAVE_SYS_DIR_H) -# include -# include -# ifndef dirent -# define dirent direct -# endif -# define NAMLEN(dp) ((int)((dp)->d_namlen)) - -#elif defined(MSDOS) || defined(WIN32) - - /* figure out type of underlaying directory interface to be used */ -# if defined(WIN32) -# define DIRENT_WIN32_INTERFACE -# elif defined(MSDOS) -# define DIRENT_MSDOS_INTERFACE -# else -# error "missing native dirent interface" -# endif - - /*** WIN32 specifics ***/ -# if defined(DIRENT_WIN32_INTERFACE) -# include -# if !defined(DIRENT_MAXNAMLEN) -# define DIRENT_MAXNAMLEN (MAX_PATH) -# endif - - - /*** MS-DOS specifics ***/ -# elif defined(DIRENT_MSDOS_INTERFACE) -# include - - /* Borland defines file length macros in dir.h */ -# if defined(__BORLANDC__) -# include -# if !defined(DIRENT_MAXNAMLEN) -# define DIRENT_MAXNAMLEN ((MAXFILE)+(MAXEXT)) -# endif -# if !defined(_find_t) -# define _find_t find_t -# endif - - /* Turbo C defines ffblk structure in dir.h */ -# elif defined(__TURBOC__) -# include -# if !defined(DIRENT_MAXNAMLEN) -# define DIRENT_MAXNAMLEN ((MAXFILE)+(MAXEXT)) -# endif -# define DIRENT_USE_FFBLK - - /* MSVC */ -# elif defined(_MSC_VER) -# if !defined(DIRENT_MAXNAMLEN) -# define DIRENT_MAXNAMLEN (12) -# endif - - /* Watcom */ -# elif defined(__WATCOMC__) -# if !defined(DIRENT_MAXNAMLEN) -# if defined(__OS2__) || defined(__NT__) -# define DIRENT_MAXNAMLEN (255) -# else -# define DIRENT_MAXNAMLEN (12) -# endif -# endif - -# endif -# endif - - /*** generic MS-DOS and MS-Windows stuff ***/ -# if !defined(NAME_MAX) && defined(DIRENT_MAXNAMLEN) -# define NAME_MAX DIRENT_MAXNAMLEN -# endif -# if NAME_MAX < DIRENT_MAXNAMLEN -# error "assertion failed: NAME_MAX >= DIRENT_MAXNAMLEN" -# endif - - - /* - * Substitute for real dirent structure. Note that `d_name' field is a - * true character array although we have it copied in the implementation - * dependent data. We could save some memory if we had declared `d_name' - * as a pointer refering the name within implementation dependent data. - * We have not done that since some code may rely on sizeof(d_name) to be - * something other than four. Besides, directory entries are typically so - * small that it takes virtually no time to copy them from place to place. - */ - typedef struct dirent { - char d_name[NAME_MAX + 1]; - - /*** Operating system specific part ***/ -# if defined(DIRENT_WIN32_INTERFACE) /*WIN32*/ - WIN32_FIND_DATA data; -# elif defined(DIRENT_MSDOS_INTERFACE) /*MSDOS*/ -# if defined(DIRENT_USE_FFBLK) - struct ffblk data; -# else - struct _find_t data; -# endif -# endif - } dirent; - - /* DIR substitute structure containing directory name. The name is - * essential for the operation of ``rewinndir'' function. */ - typedef struct DIR { - char *dirname; /* directory being scanned */ - dirent current; /* current entry */ - int dirent_filled; /* is current un-processed? */ - - /*** Operating system specific part ***/ -# if defined(DIRENT_WIN32_INTERFACE) - HANDLE search_handle; -# elif defined(DIRENT_MSDOS_INTERFACE) -# endif - } DIR; - -# ifdef __cplusplus -extern "C" { -# endif - -/* supply prototypes for dirent functions */ -static DIR *opendir (const char *dirname); -static struct dirent *readdir (DIR *dirp); -static int closedir (DIR *dirp); -static void rewinddir (DIR *dirp); - -/* - * Implement dirent interface as static functions so that the user does not - * need to change his project in any way to use dirent function. With this - * it is sufficient to include this very header from source modules using - * dirent functions and the functions will be pulled in automatically. - */ -#include -#include -#include -#include -#include - -/* use ffblk instead of _find_t if requested */ -#if defined(DIRENT_USE_FFBLK) -# define _A_ARCH (FA_ARCH) -# define _A_HIDDEN (FA_HIDDEN) -# define _A_NORMAL (0) -# define _A_RDONLY (FA_RDONLY) -# define _A_SUBDIR (FA_DIREC) -# define _A_SYSTEM (FA_SYSTEM) -# define _A_VOLID (FA_LABEL) -# define _dos_findnext(dest) findnext(dest) -# define _dos_findfirst(name,flags,dest) findfirst(name,dest,flags) -#endif - -static int _initdir (DIR *p); -static const char *_getdirname (const struct dirent *dp); -static void _setdirname (struct DIR *dirp); - -/* - * - * open directory stream for reading - * DIR *opendir (const char *dirname); - * - * Open named directory stream for read and return pointer to the - * internal working area that is used for retrieving individual directory - * entries. The internal working area has no fields of your interest. - * - * Returns a pointer to the internal working area or NULL in case the - * directory stream could not be opened. Global `errno' variable will set - * in case of error as follows: - * - * - * [EACESS |Permission denied. - * [EMFILE |Too many open files used by the process. - * [ENFILE |Too many open files in system. - * [ENOENT |Directory does not exist. - * [ENOMEM |Insufficient memory. - * [ENOTDIR |dirname does not refer to directory. This value is not - * reliable on MS-DOS and MS-Windows platforms. Many - * implementations return ENOENT even when the name refers to a - * file.] - *
- * - */ -static DIR *opendir(const char *dirname) -{ - DIR *dirp; - assert (dirname != NULL); - - dirp = (DIR*)malloc (sizeof (struct DIR)); - if (dirp != NULL) { - char *p; - - /* allocate room for directory name */ - dirp->dirname = (char*) malloc (strlen (dirname) + 1 + strlen ("\\*.*")); - if (dirp->dirname == NULL) { - /* failed to duplicate directory name. errno set by malloc() */ - free (dirp); - return NULL; - } - /* Copy directory name while appending directory separator and "*.*". - * Directory separator is not appended if the name already ends with - * drive or directory separator. Directory separator is assumed to be - * '/' or '\' and drive separator is assumed to be ':'. */ - strcpy (dirp->dirname, dirname); - p = strchr (dirp->dirname, '\0'); - if (dirp->dirname < p && - *(p - 1) != '\\' && *(p - 1) != '/' && *(p - 1) != ':') - { - strcpy (p++, "\\"); - } -# ifdef DIRENT_WIN32_INTERFACE - strcpy (p, "*"); /*scan files with and without extension in win32*/ -# else - strcpy (p, "*.*"); /*scan files with and without extension in DOS*/ -# endif - - /* open stream */ - if (_initdir (dirp) == 0) { - /* initialization failed */ - free (dirp->dirname); - free (dirp); - return NULL; - } - } - return dirp; -} - - -/* - * - * read a directory entry - * struct dirent *readdir (DIR *dirp); - * - * Read individual directory entry and return pointer to a structure - * containing the name of the entry. Individual directory entries returned - * include normal files, sub-directories, pseudo-directories "." and ".." - * and also volume labels, hidden files and system files in MS-DOS and - * MS-Windows. You might want to use stat(2) function to determinate which - * one are you dealing with. Many dirent implementations already contain - * equivalent information in dirent structure but you cannot depend on - * this. - * - * The dirent structure contains several system dependent fields that - * generally have no interest to you. The only interesting one is char - * d_name[] that is also portable across different systems. The d_name - * field contains the name of the directory entry without leading path. - * While d_name is portable across different systems the actual storage - * capacity of d_name varies from system to system and there is no portable - * way to find out it at compile time as different systems define the - * capacity of d_name with different macros and some systems do not define - * capacity at all (besides actual declaration of the field). If you really - * need to find out storage capacity of d_name then you might want to try - * NAME_MAX macro. The NAME_MAX is defined in POSIX standard althought - * there are many MS-DOS and MS-Windows implementations those do not define - * it. There are also systems that declare d_name as "char d_name[1]" and - * then allocate suitable amount of memory at run-time. Thanks to Alain - * Decamps (Alain.Decamps@advalvas.be) for pointing it out to me. - * - * This all leads to the fact that it is difficult to allocate space - * for the directory names when the very same program is being compiled on - * number of operating systems. Therefore I suggest that you always - * allocate space for directory names dynamically. - * - * - * Returns a pointer to a structure containing name of the directory entry - * in `d_name' field or NULL if there was an error. In case of an error the - * global `errno' variable will set as follows: - * - * - * [EBADF |dir parameter refers to an invalid directory stream. This value - * is not set reliably on all implementations.] - *
- * - */ -static struct dirent * -readdir (DIR *dirp) -{ - assert(dirp != NULL); - if (dirp == NULL) { - errno = EBADF; - return NULL; - } - -#if defined(DIRENT_WIN32_INTERFACE) - if (dirp->search_handle == INVALID_HANDLE_VALUE) { - /* directory stream was opened/rewound incorrectly or it ended normally */ - errno = EBADF; - return NULL; - } -#endif - - if (dirp->dirent_filled != 0) { - /* - * Directory entry has already been retrieved and there is no need to - * retrieve a new one. Directory entry will be retrieved in advance - * when the user calls readdir function for the first time. This is so - * because real dirent has separate functions for opening and reading - * the stream whereas Win32 and DOS dirents open the stream - * automatically when we retrieve the first file. Therefore, we have to - * save the first file when opening the stream and later we have to - * return the saved entry when the user tries to read the first entry. - */ - dirp->dirent_filled = 0; - } else { - /* fill in entry and return that */ -#if defined(DIRENT_WIN32_INTERFACE) - if (FindNextFile (dirp->search_handle, &dirp->current.data) == FALSE) { - /* Last file has been processed or an error occured */ - FindClose (dirp->search_handle); - dirp->search_handle = INVALID_HANDLE_VALUE; - errno = ENOENT; - return NULL; - } - -# elif defined(DIRENT_MSDOS_INTERFACE) - if (_dos_findnext (&dirp->current.data) != 0) { - /* _dos_findnext and findnext will set errno to ENOENT when no - * more entries could be retrieved. */ - return NULL; - } -# endif - - _setdirname (dirp); - assert (dirp->dirent_filled == 0); - } - return &dirp->current; -} - - -/* - * - * close directory stream. - * int closedir (DIR *dirp); - * - * Close directory stream opened by the `opendir' function. Close of - * directory stream invalidates the DIR structure as well as previously read - * dirent entry. - * - * The function typically returns 0 on success and -1 on failure but - * the function may be declared to return void on same systems. At least - * Borland C/C++ and some UNIX implementations use void as a return type. - * The dirent wrapper tries to define VOID_CLOSEDIR whenever closedir is - * known to return nothing. The very same definition is made by the GNU - * autoconf if you happen to use it. - * - * The global `errno' variable will set to EBADF in case of error. - * - */ -static int -closedir (DIR *dirp) -{ - int retcode = 0; - - /* make sure that dirp points to legal structure */ - assert (dirp != NULL); - if (dirp == NULL) { - errno = EBADF; - return -1; - } - - /* free directory name and search handles */ - if (dirp->dirname != NULL) free (dirp->dirname); - -#if defined(DIRENT_WIN32_INTERFACE) - if (dirp->search_handle != INVALID_HANDLE_VALUE) { - if (FindClose (dirp->search_handle) == FALSE) { - /* Unknown error */ - retcode = -1; - errno = EBADF; - } - } -#endif - - /* clear dirp structure to make sure that it cannot be used anymore*/ - memset (dirp, 0, sizeof (*dirp)); -# if defined(DIRENT_WIN32_INTERFACE) - dirp->search_handle = INVALID_HANDLE_VALUE; -# endif - - free (dirp); - return retcode; -} - - -/* - * - * rewind directory stream to the beginning - * void rewinddir (DIR *dirp); - * - * Rewind directory stream to the beginning so that the next call of - * readdir() returns the very first directory entry again. However, note - * that next call of readdir() may not return the same directory entry as it - * did in first time. The directory stream may have been affected by newly - * created files. - * - * Almost every dirent implementation ensure that rewinddir will update - * the directory stream to reflect any changes made to the directory entries - * since the previous ``opendir'' or ``rewinddir'' call. Keep an eye on - * this if your program depends on the feature. I know at least one dirent - * implementation where you are required to close and re-open the stream to - * see the changes. - * - * Returns nothing. If something went wrong while rewinding, you will - * notice it later when you try to retrieve the first directory entry. - */ -static void -rewinddir (DIR *dirp) -{ - /* make sure that dirp is legal */ - assert (dirp != NULL); - if (dirp == NULL) { - errno = EBADF; - return; - } - assert (dirp->dirname != NULL); - - /* close previous stream */ -#if defined(DIRENT_WIN32_INTERFACE) - if (dirp->search_handle != INVALID_HANDLE_VALUE) { - if (FindClose (dirp->search_handle) == FALSE) { - /* Unknown error */ - errno = EBADF; - } - } -#endif - - /* re-open previous stream */ - if (_initdir (dirp) == 0) { - /* initialization failed but we cannot deal with error. User will notice - * error later when she tries to retrieve first directory enty. */ - /*EMPTY*/; - } -} - - -/* - * Open native directory stream object and retrieve first file. - * Be sure to close previous stream before opening new one. - */ -static int -_initdir (DIR *dirp) -{ - assert (dirp != NULL); - assert (dirp->dirname != NULL); - dirp->dirent_filled = 0; - -# if defined(DIRENT_WIN32_INTERFACE) - /* Open stream and retrieve first file */ - dirp->search_handle = FindFirstFile (dirp->dirname, &dirp->current.data); - if (dirp->search_handle == INVALID_HANDLE_VALUE) { - /* something went wrong but we don't know what. GetLastError() could - * give us more information about the error, but then we should map - * the error code into errno. */ - errno = ENOENT; - return 0; - } - -# elif defined(DIRENT_MSDOS_INTERFACE) - if (_dos_findfirst (dirp->dirname, - _A_SUBDIR | _A_RDONLY | _A_ARCH | _A_SYSTEM | _A_HIDDEN, - &dirp->current.data) != 0) - { - /* _dos_findfirst and findfirst will set errno to ENOENT when no - * more entries could be retrieved. */ - return 0; - } -# endif - - /* initialize DIR and it's first entry */ - _setdirname (dirp); - dirp->dirent_filled = 1; - return 1; -} - - -/* - * Return implementation dependent name of the current directory entry. - */ -static const char * -_getdirname (const struct dirent *dp) -{ -#if defined(DIRENT_WIN32_INTERFACE) - return dp->data.cFileName; - -#elif defined(DIRENT_USE_FFBLK) - return dp->data.ff_name; - -#else - return dp->data.name; -#endif -} - - -/* - * Copy name of implementation dependent directory entry to the d_name field. - */ -static void -_setdirname (struct DIR *dirp) { - /* make sure that d_name is long enough */ - assert (strlen (_getdirname (&dirp->current)) <= NAME_MAX); - - strncpy (dirp->current.d_name, - _getdirname (&dirp->current), - NAME_MAX); - dirp->current.d_name[NAME_MAX] = '\0'; /*char d_name[NAME_MAX+1]*/ -} - -# ifdef __cplusplus -} -# endif -# define NAMLEN(dp) ((int)(strlen((dp)->d_name))) - -#else -# error "missing dirent interface" -#endif - - -#endif /*DIRENT_H*/ + +/* + * uce-dirent.h - operating system independent dirent implementation + * + * Copyright (C) 1998-2002 Toni Ronkko + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * ``Software''), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL TONI RONKKO BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * + * May 28 1998, Toni Ronkko + * + * $Id: uce-dirent.h,v 1.7 2002/05/13 10:48:35 tr Exp $ + * + * $Log: uce-dirent.h,v $ + * Revision 1.7 2002/05/13 10:48:35 tr + * embedded some source code directly to the header so that no source + * modules need to be included in the MS Visual C project using the + * interface, removed all the dependencies to other headers of the `uce' + * library so that the header can be made public + * + * Revision 1.6 2002/04/12 16:22:04 tr + * Unified Compiling Environment (UCE) replaced `std' library + * + * Revision 1.5 2001/07/20 16:33:40 tr + * moved to `std' library and re-named defines accordingly + * + * Revision 1.4 2001/07/10 16:47:18 tronkko + * revised comments + * + * Revision 1.3 2001/01/11 13:16:43 tr + * using ``uce-machine.h'' for finding out defines such as `FREEBSD' + * + * Revision 1.2 2000/10/08 16:00:41 tr + * copy of FreeBSD man page + * + * Revision 1.1 2000/07/10 05:53:16 tr + * Initial revision + * + * Revision 1.2 1998/07/19 18:29:14 tr + * Added error reporting capabilities and some asserts. + * + * Revision 1.1 1998/07/04 16:27:51 tr + * Initial revision + * + * + * MSVC 1.0 scans automatic dependencies incorrectly when your project + * contains this very header. The problem is that MSVC cannot handle + * include directives inside #if..#endif block those are never entered. + * Since this header ought to compile in many different operating systems, + * there had to be several conditional blocks that are compiled only in + * operating systems for what they were designed for. MSVC 1.0 cannot + * handle inclusion of sys/dir.h in a part that is compiled only in Apollo + * operating system. To fix the problem you need to insert DIR.H into + * SYSINCL.DAT located in MSVC\BIN directory and restart visual C++. + * Consult manuals for more informaton about the problem. + * + * Since many UNIX systems have dirent.h we assume to have one also. + * However, if your UNIX system does not have dirent.h you can download one + * for example at: http://ftp.uni-mannheim.de/ftp/GNU/dirent/dirent.tar.gz. + * You can also see if you have one of dirent.h, direct.h, dir.h, ndir.h, + * sys/dir.h and sys/ndir.h somewhere. Try defining HAVE_DIRENT_H, + * HAVE_DIRECT_H, HAVE_DIR_H, HAVE_NDIR_H, HAVE_SYS_DIR_H and + * HAVE_SYS_NDIR_H according to the files found. + */ +#ifndef DIRENT_H +#define DIRENT_H +#define DIRENT_H_INCLUDED + +/* find out platform */ +#if defined(MSDOS) /* MS-DOS */ +#elif defined(__MSDOS__) /* Turbo C/Borland */ +# define MSDOS +#elif defined(__DOS__) /* Watcom */ +# define MSDOS +#endif + +#if defined(WIN32) /* MS-Windows */ +#elif defined(__NT__) /* Watcom */ +# define WIN32 +#elif defined(_WIN32) /* Microsoft */ +# define WIN32 +#elif defined(__WIN32__) /* Borland */ +# define WIN32 +#endif + +/* + * See what kind of dirent interface we have unless autoconf has already + * determinated that. + */ +#if !defined(HAVE_DIRENT_H) && !defined(HAVE_DIRECT_H) && !defined(HAVE_SYS_DIR_H) && !defined(HAVE_NDIR_H) && !defined(HAVE_SYS_NDIR_H) && !defined(HAVE_DIR_H) +# if defined(_MSC_VER) /* Microsoft C/C++ */ + /* no dirent.h */ +# elif defined(__MINGW32__) /* MinGW */ + /* no dirent.h */ +# elif defined(__BORLANDC__) /* Borland C/C++ */ +# define HAVE_DIRENT_H +# define VOID_CLOSEDIR +# elif defined(__TURBOC__) /* Borland Turbo C */ + /* no dirent.h */ +# elif defined(__WATCOMC__) /* Watcom C/C++ */ +# define HAVE_DIRECT_H +# elif defined(__apollo) /* Apollo */ +# define HAVE_SYS_DIR_H +# elif defined(__hpux) /* HP-UX */ +# define HAVE_DIRENT_H +# elif (defined(__alpha) || defined(__alpha__)) && !defined(__linux__) /* Alpha OSF1 */ +# error "not implemented" +# elif defined(__sgi) /* Silicon Graphics */ +# define HAVE_DIRENT_H +# elif defined(sun) || defined(__sun) /* Sun Solaris */ +# define HAVE_DIRENT_H +# elif defined(__FreeBSD__) /* FreeBSD */ +# define HAVE_DIRENT_H +# elif defined(__linux__) /* Linux */ +# define HAVE_DIRENT_H +# elif defined(__GNUC__) /* GNU C/C++ */ +# define HAVE_DIRENT_H +# else +# error "not implemented" +# endif +#endif + +/* include proper interface headers */ +#if defined(HAVE_DIRENT_H) +# include +# ifdef FREEBSD +# define NAMLEN(dp) ((int)((dp)->d_namlen)) +# else +# define NAMLEN(dp) ((int)(strlen((dp)->d_name))) +# endif + +#elif defined(HAVE_NDIR_H) +# include +# define NAMLEN(dp) ((int)((dp)->d_namlen)) + +#elif defined(HAVE_SYS_NDIR_H) +# include +# define NAMLEN(dp) ((int)((dp)->d_namlen)) + +#elif defined(HAVE_DIRECT_H) +# include +# define NAMLEN(dp) ((int)((dp)->d_namlen)) + +#elif defined(HAVE_DIR_H) +# include +# define NAMLEN(dp) ((int)((dp)->d_namlen)) + +#elif defined(HAVE_SYS_DIR_H) +# include +# include +# ifndef dirent +# define dirent direct +# endif +# define NAMLEN(dp) ((int)((dp)->d_namlen)) + +#elif defined(MSDOS) || defined(WIN32) + + /* figure out type of underlaying directory interface to be used */ +# if defined(WIN32) +# define DIRENT_WIN32_INTERFACE +# elif defined(MSDOS) +# define DIRENT_MSDOS_INTERFACE +# else +# error "missing native dirent interface" +# endif + + /*** WIN32 specifics ***/ +# if defined(DIRENT_WIN32_INTERFACE) +# include +# if !defined(DIRENT_MAXNAMLEN) +# define DIRENT_MAXNAMLEN (MAX_PATH) +# endif + + + /*** MS-DOS specifics ***/ +# elif defined(DIRENT_MSDOS_INTERFACE) +# include + + /* Borland defines file length macros in dir.h */ +# if defined(__BORLANDC__) +# include +# if !defined(DIRENT_MAXNAMLEN) +# define DIRENT_MAXNAMLEN ((MAXFILE)+(MAXEXT)) +# endif +# if !defined(_find_t) +# define _find_t find_t +# endif + + /* Turbo C defines ffblk structure in dir.h */ +# elif defined(__TURBOC__) +# include +# if !defined(DIRENT_MAXNAMLEN) +# define DIRENT_MAXNAMLEN ((MAXFILE)+(MAXEXT)) +# endif +# define DIRENT_USE_FFBLK + + /* MSVC */ +# elif defined(_MSC_VER) +# if !defined(DIRENT_MAXNAMLEN) +# define DIRENT_MAXNAMLEN (12) +# endif + + /* Watcom */ +# elif defined(__WATCOMC__) +# if !defined(DIRENT_MAXNAMLEN) +# if defined(__OS2__) || defined(__NT__) +# define DIRENT_MAXNAMLEN (255) +# else +# define DIRENT_MAXNAMLEN (12) +# endif +# endif + +# endif +# endif + + /*** generic MS-DOS and MS-Windows stuff ***/ +# if !defined(NAME_MAX) && defined(DIRENT_MAXNAMLEN) +# define NAME_MAX DIRENT_MAXNAMLEN +# endif +# if NAME_MAX < DIRENT_MAXNAMLEN +# error "assertion failed: NAME_MAX >= DIRENT_MAXNAMLEN" +# endif + + + /* + * Substitute for real dirent structure. Note that `d_name' field is a + * true character array although we have it copied in the implementation + * dependent data. We could save some memory if we had declared `d_name' + * as a pointer refering the name within implementation dependent data. + * We have not done that since some code may rely on sizeof(d_name) to be + * something other than four. Besides, directory entries are typically so + * small that it takes virtually no time to copy them from place to place. + */ + typedef struct dirent { + char d_name[NAME_MAX + 1]; + + /*** Operating system specific part ***/ +# if defined(DIRENT_WIN32_INTERFACE) /*WIN32*/ + WIN32_FIND_DATA data; +# elif defined(DIRENT_MSDOS_INTERFACE) /*MSDOS*/ +# if defined(DIRENT_USE_FFBLK) + struct ffblk data; +# else + struct _find_t data; +# endif +# endif + } dirent; + + /* DIR substitute structure containing directory name. The name is + * essential for the operation of ``rewinndir'' function. */ + typedef struct DIR { + char *dirname; /* directory being scanned */ + dirent current; /* current entry */ + int dirent_filled; /* is current un-processed? */ + + /*** Operating system specific part ***/ +# if defined(DIRENT_WIN32_INTERFACE) + HANDLE search_handle; +# elif defined(DIRENT_MSDOS_INTERFACE) +# endif + } DIR; + +# ifdef __cplusplus +extern "C" { +# endif + +/* supply prototypes for dirent functions */ +static DIR *opendir (const char *dirname); +static struct dirent *readdir (DIR *dirp); +static int closedir (DIR *dirp); +static void rewinddir (DIR *dirp); + +/* + * Implement dirent interface as static functions so that the user does not + * need to change his project in any way to use dirent function. With this + * it is sufficient to include this very header from source modules using + * dirent functions and the functions will be pulled in automatically. + */ +#include +#include +#include +#include +#include + +/* use ffblk instead of _find_t if requested */ +#if defined(DIRENT_USE_FFBLK) +# define _A_ARCH (FA_ARCH) +# define _A_HIDDEN (FA_HIDDEN) +# define _A_NORMAL (0) +# define _A_RDONLY (FA_RDONLY) +# define _A_SUBDIR (FA_DIREC) +# define _A_SYSTEM (FA_SYSTEM) +# define _A_VOLID (FA_LABEL) +# define _dos_findnext(dest) findnext(dest) +# define _dos_findfirst(name,flags,dest) findfirst(name,dest,flags) +#endif + +static int _initdir (DIR *p); +static const char *_getdirname (const struct dirent *dp); +static void _setdirname (struct DIR *dirp); + +/* + * + * open directory stream for reading + * DIR *opendir (const char *dirname); + * + * Open named directory stream for read and return pointer to the + * internal working area that is used for retrieving individual directory + * entries. The internal working area has no fields of your interest. + * + * Returns a pointer to the internal working area or NULL in case the + * directory stream could not be opened. Global `errno' variable will set + * in case of error as follows: + * + * + * [EACESS |Permission denied. + * [EMFILE |Too many open files used by the process. + * [ENFILE |Too many open files in system. + * [ENOENT |Directory does not exist. + * [ENOMEM |Insufficient memory. + * [ENOTDIR |dirname does not refer to directory. This value is not + * reliable on MS-DOS and MS-Windows platforms. Many + * implementations return ENOENT even when the name refers to a + * file.] + *
+ * + */ +static DIR *opendir(const char *dirname) +{ + DIR *dirp; + assert (dirname != NULL); + + dirp = (DIR*)malloc (sizeof (struct DIR)); + if (dirp != NULL) { + char *p; + + /* allocate room for directory name */ + dirp->dirname = (char*) malloc (strlen (dirname) + 1 + strlen ("\\*.*")); + if (dirp->dirname == NULL) { + /* failed to duplicate directory name. errno set by malloc() */ + free (dirp); + return NULL; + } + /* Copy directory name while appending directory separator and "*.*". + * Directory separator is not appended if the name already ends with + * drive or directory separator. Directory separator is assumed to be + * '/' or '\' and drive separator is assumed to be ':'. */ + strcpy (dirp->dirname, dirname); + p = strchr (dirp->dirname, '\0'); + if (dirp->dirname < p && + *(p - 1) != '\\' && *(p - 1) != '/' && *(p - 1) != ':') + { + strcpy (p++, "\\"); + } +# ifdef DIRENT_WIN32_INTERFACE + strcpy (p, "*"); /*scan files with and without extension in win32*/ +# else + strcpy (p, "*.*"); /*scan files with and without extension in DOS*/ +# endif + + /* open stream */ + if (_initdir (dirp) == 0) { + /* initialization failed */ + free (dirp->dirname); + free (dirp); + return NULL; + } + } + return dirp; +} + + +/* + * + * read a directory entry + * struct dirent *readdir (DIR *dirp); + * + * Read individual directory entry and return pointer to a structure + * containing the name of the entry. Individual directory entries returned + * include normal files, sub-directories, pseudo-directories "." and ".." + * and also volume labels, hidden files and system files in MS-DOS and + * MS-Windows. You might want to use stat(2) function to determinate which + * one are you dealing with. Many dirent implementations already contain + * equivalent information in dirent structure but you cannot depend on + * this. + * + * The dirent structure contains several system dependent fields that + * generally have no interest to you. The only interesting one is char + * d_name[] that is also portable across different systems. The d_name + * field contains the name of the directory entry without leading path. + * While d_name is portable across different systems the actual storage + * capacity of d_name varies from system to system and there is no portable + * way to find out it at compile time as different systems define the + * capacity of d_name with different macros and some systems do not define + * capacity at all (besides actual declaration of the field). If you really + * need to find out storage capacity of d_name then you might want to try + * NAME_MAX macro. The NAME_MAX is defined in POSIX standard althought + * there are many MS-DOS and MS-Windows implementations those do not define + * it. There are also systems that declare d_name as "char d_name[1]" and + * then allocate suitable amount of memory at run-time. Thanks to Alain + * Decamps (Alain.Decamps@advalvas.be) for pointing it out to me. + * + * This all leads to the fact that it is difficult to allocate space + * for the directory names when the very same program is being compiled on + * number of operating systems. Therefore I suggest that you always + * allocate space for directory names dynamically. + * + * + * Returns a pointer to a structure containing name of the directory entry + * in `d_name' field or NULL if there was an error. In case of an error the + * global `errno' variable will set as follows: + * + * + * [EBADF |dir parameter refers to an invalid directory stream. This value + * is not set reliably on all implementations.] + *
+ * + */ +static struct dirent * +readdir (DIR *dirp) +{ + assert(dirp != NULL); + if (dirp == NULL) { + errno = EBADF; + return NULL; + } + +#if defined(DIRENT_WIN32_INTERFACE) + if (dirp->search_handle == INVALID_HANDLE_VALUE) { + /* directory stream was opened/rewound incorrectly or it ended normally */ + errno = EBADF; + return NULL; + } +#endif + + if (dirp->dirent_filled != 0) { + /* + * Directory entry has already been retrieved and there is no need to + * retrieve a new one. Directory entry will be retrieved in advance + * when the user calls readdir function for the first time. This is so + * because real dirent has separate functions for opening and reading + * the stream whereas Win32 and DOS dirents open the stream + * automatically when we retrieve the first file. Therefore, we have to + * save the first file when opening the stream and later we have to + * return the saved entry when the user tries to read the first entry. + */ + dirp->dirent_filled = 0; + } else { + /* fill in entry and return that */ +#if defined(DIRENT_WIN32_INTERFACE) + if (FindNextFile (dirp->search_handle, &dirp->current.data) == FALSE) { + /* Last file has been processed or an error occured */ + FindClose (dirp->search_handle); + dirp->search_handle = INVALID_HANDLE_VALUE; + errno = ENOENT; + return NULL; + } + +# elif defined(DIRENT_MSDOS_INTERFACE) + if (_dos_findnext (&dirp->current.data) != 0) { + /* _dos_findnext and findnext will set errno to ENOENT when no + * more entries could be retrieved. */ + return NULL; + } +# endif + + _setdirname (dirp); + assert (dirp->dirent_filled == 0); + } + return &dirp->current; +} + + +/* + * + * close directory stream. + * int closedir (DIR *dirp); + * + * Close directory stream opened by the `opendir' function. Close of + * directory stream invalidates the DIR structure as well as previously read + * dirent entry. + * + * The function typically returns 0 on success and -1 on failure but + * the function may be declared to return void on same systems. At least + * Borland C/C++ and some UNIX implementations use void as a return type. + * The dirent wrapper tries to define VOID_CLOSEDIR whenever closedir is + * known to return nothing. The very same definition is made by the GNU + * autoconf if you happen to use it. + * + * The global `errno' variable will set to EBADF in case of error. + * + */ +static int +closedir (DIR *dirp) +{ + int retcode = 0; + + /* make sure that dirp points to legal structure */ + assert (dirp != NULL); + if (dirp == NULL) { + errno = EBADF; + return -1; + } + + /* free directory name and search handles */ + if (dirp->dirname != NULL) free (dirp->dirname); + +#if defined(DIRENT_WIN32_INTERFACE) + if (dirp->search_handle != INVALID_HANDLE_VALUE) { + if (FindClose (dirp->search_handle) == FALSE) { + /* Unknown error */ + retcode = -1; + errno = EBADF; + } + } +#endif + + /* clear dirp structure to make sure that it cannot be used anymore*/ + memset (dirp, 0, sizeof (*dirp)); +# if defined(DIRENT_WIN32_INTERFACE) + dirp->search_handle = INVALID_HANDLE_VALUE; +# endif + + free (dirp); + return retcode; +} + + +/* + * + * rewind directory stream to the beginning + * void rewinddir (DIR *dirp); + * + * Rewind directory stream to the beginning so that the next call of + * readdir() returns the very first directory entry again. However, note + * that next call of readdir() may not return the same directory entry as it + * did in first time. The directory stream may have been affected by newly + * created files. + * + * Almost every dirent implementation ensure that rewinddir will update + * the directory stream to reflect any changes made to the directory entries + * since the previous ``opendir'' or ``rewinddir'' call. Keep an eye on + * this if your program depends on the feature. I know at least one dirent + * implementation where you are required to close and re-open the stream to + * see the changes. + * + * Returns nothing. If something went wrong while rewinding, you will + * notice it later when you try to retrieve the first directory entry. + */ +static void +rewinddir (DIR *dirp) +{ + /* make sure that dirp is legal */ + assert (dirp != NULL); + if (dirp == NULL) { + errno = EBADF; + return; + } + assert (dirp->dirname != NULL); + + /* close previous stream */ +#if defined(DIRENT_WIN32_INTERFACE) + if (dirp->search_handle != INVALID_HANDLE_VALUE) { + if (FindClose (dirp->search_handle) == FALSE) { + /* Unknown error */ + errno = EBADF; + } + } +#endif + + /* re-open previous stream */ + if (_initdir (dirp) == 0) { + /* initialization failed but we cannot deal with error. User will notice + * error later when she tries to retrieve first directory enty. */ + /*EMPTY*/; + } +} + + +/* + * Open native directory stream object and retrieve first file. + * Be sure to close previous stream before opening new one. + */ +static int +_initdir (DIR *dirp) +{ + assert (dirp != NULL); + assert (dirp->dirname != NULL); + dirp->dirent_filled = 0; + +# if defined(DIRENT_WIN32_INTERFACE) + /* Open stream and retrieve first file */ + dirp->search_handle = FindFirstFile (dirp->dirname, &dirp->current.data); + if (dirp->search_handle == INVALID_HANDLE_VALUE) { + /* something went wrong but we don't know what. GetLastError() could + * give us more information about the error, but then we should map + * the error code into errno. */ + errno = ENOENT; + return 0; + } + +# elif defined(DIRENT_MSDOS_INTERFACE) + if (_dos_findfirst (dirp->dirname, + _A_SUBDIR | _A_RDONLY | _A_ARCH | _A_SYSTEM | _A_HIDDEN, + &dirp->current.data) != 0) + { + /* _dos_findfirst and findfirst will set errno to ENOENT when no + * more entries could be retrieved. */ + return 0; + } +# endif + + /* initialize DIR and it's first entry */ + _setdirname (dirp); + dirp->dirent_filled = 1; + return 1; +} + + +/* + * Return implementation dependent name of the current directory entry. + */ +static const char * +_getdirname (const struct dirent *dp) +{ +#if defined(DIRENT_WIN32_INTERFACE) + return dp->data.cFileName; + +#elif defined(DIRENT_USE_FFBLK) + return dp->data.ff_name; + +#else + return dp->data.name; +#endif +} + + +/* + * Copy name of implementation dependent directory entry to the d_name field. + */ +static void +_setdirname (struct DIR *dirp) { + /* make sure that d_name is long enough */ + assert (strlen (_getdirname (&dirp->current)) <= NAME_MAX); + + strncpy (dirp->current.d_name, + _getdirname (&dirp->current), + NAME_MAX); + dirp->current.d_name[NAME_MAX] = '\0'; /*char d_name[NAME_MAX+1]*/ +} + +# ifdef __cplusplus +} +# endif +# define NAMLEN(dp) ((int)(strlen((dp)->d_name))) + +#else +# error "missing dirent interface" +#endif + + +#endif /*DIRENT_H*/