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/* |
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Teem: Tools to process and visualize scientific data and images . |
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Copyright (C) 2013, 2012, 2011, 2010, 2009 University of Chicago |
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Copyright (C) 2008, 2007, 2006, 2005 Gordon Kindlmann |
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Copyright (C) 2004, 2003, 2002, 2001, 2000, 1999, 1998 University of Utah |
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public License |
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(LGPL) as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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The terms of redistributing and/or modifying this software also |
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include exceptions to the LGPL that facilitate static linking. |
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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You should have received a copy of the GNU Lesser General Public License |
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along with this library; if not, write to Free Software Foundation, Inc., |
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "unrrdu.h" |
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#include "privateUnrrdu.h" |
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#define INFO "Compute 32-bit CRC of nrrd data (same as via \"cksum\")" |
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static const char *_unrrdu_cksumInfoL = |
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(INFO ". Unlike other commands, this doesn't produce a nrrd. It only " |
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"prints to standard out the CRC and byte counts for the input nrrd(s), " |
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"seeking to emulate the formatting of cksum output.\n " |
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"* Uses nrrdCRC32"); |
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int |
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unrrdu_cksumDoit(const char *me, char *inS, int endian, |
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int printendian, FILE *fout) { |
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Nrrd *nrrd; |
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airArray *mop; |
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unsigned int crc; |
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char stmp[AIR_STRLEN_SMALL], ends[AIR_STRLEN_SMALL]; |
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size_t nn; |
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mop = airMopNew(); |
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airMopAdd(mop, nrrd=nrrdNew(), (airMopper)nrrdNuke, airMopAlways); |
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if (nrrdLoad(nrrd, inS, NULL)) { |
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biffMovef(me, NRRD, "%s: trouble loading \"%s\"", me, inS); |
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airMopError(mop); return 1; |
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} |
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crc = nrrdCRC32(nrrd, endian); |
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nn = nrrdElementNumber(nrrd)*nrrdElementSize(nrrd); |
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sprintf(ends, "(%s)", airEnumStr(airEndian, endian)); |
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fprintf(fout, "%u%s %s%s%s\n", crc, |
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printendian ? ends : "", |
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airSprintSize_t(stmp, nn), |
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strcmp("-", inS) ? " " : "", |
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strcmp("-", inS) ? inS : ""); |
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airMopOkay(mop); |
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return 0; |
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} |
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int |
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unrrdu_cksumMain(int argc, const char **argv, const char *me, |
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hestParm *hparm) { |
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hestOpt *opt = NULL; |
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char *err, **inS; |
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airArray *mop; |
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int pret, endian, printend; |
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unsigned int ni, ninLen; |
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mop = airMopNew(); |
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hestOptAdd(&opt, "en,endian", "end", airTypeEnum, 1, 1, &endian, |
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airEnumStr(airEndian, airMyEndian()), |
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"Endianness in which to compute CRC; \"little\" for Intel and " |
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"friends; \"big\" for everyone else. " |
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"Defaults to endianness of this machine", |
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NULL, airEndian); |
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hestOptAdd(&opt, "pen,printendian", "bool", airTypeBool, 1, 1, &printend, |
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"false", |
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"whether or not to indicate after the CRC value the endianness " |
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"with which the CRC was computed; doing so clarifies " |
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"that the CRC result depends on endianness and may remove " |
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"confusion in comparing results on platforms of different " |
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"endianness"); |
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hestOptAdd(&opt, NULL, "nin1", airTypeString, 1, -1, &inS, NULL, |
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"input nrrd(s)", &ninLen); |
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airMopAdd(mop, opt, (airMopper)hestOptFree, airMopAlways); |
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✓✗ |
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USAGE(_unrrdu_cksumInfoL); |
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PARSE(); |
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airMopAdd(mop, opt, (airMopper)hestParseFree, airMopAlways); |
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for (ni=0; ni<ninLen; ni++) { |
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if (unrrdu_cksumDoit(me, inS[ni], endian, printend, stdout)) { |
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airMopAdd(mop, err = biffGetDone(me), airFree, airMopAlways); |
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fprintf(stderr, "%s: trouble with \"%s\":\n%s", |
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me, inS[ni], err); |
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/* continue working on the remaining files */ |
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} |
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} |
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airMopOkay(mop); |
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return 0; |
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} |
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UNRRDU_CMD(cksum, INFO); |