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<h1>src/libsphinxbase/util/bio.c</h1> </div>
</div>
<div class="contents">
<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/* ====================================================================</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (c) 1999-2004 Carnegie Mellon University. All rights</span>
<a name="l00004"></a>00004 <span class="comment"> * reserved.</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
<a name="l00007"></a>00007 <span class="comment"> * modification, are permitted provided that the following conditions</span>
<a name="l00008"></a>00008 <span class="comment"> * are met:</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span>
<a name="l00011"></a>00011 <span class="comment"> * notice, this list of conditions and the following disclaimer. </span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span>
<a name="l00014"></a>00014 <span class="comment"> * notice, this list of conditions and the following disclaimer in</span>
<a name="l00015"></a>00015 <span class="comment"> * the documentation and/or other materials provided with the</span>
<a name="l00016"></a>00016 <span class="comment"> * distribution.</span>
<a name="l00017"></a>00017 <span class="comment"> *</span>
<a name="l00018"></a>00018 <span class="comment"> * This work was supported in part by funding from the Defense Advanced </span>
<a name="l00019"></a>00019 <span class="comment"> * Research Projects Agency and the National Science Foundation of the </span>
<a name="l00020"></a>00020 <span class="comment"> * United States of America, and the CMU Sphinx Speech Consortium.</span>
<a name="l00021"></a>00021 <span class="comment"> *</span>
<a name="l00022"></a>00022 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND </span>
<a name="l00023"></a>00023 <span class="comment"> * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, </span>
<a name="l00024"></a>00024 <span class="comment"> * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span>
<a name="l00025"></a>00025 <span class="comment"> * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY</span>
<a name="l00026"></a>00026 <span class="comment"> * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00027"></a>00027 <span class="comment"> * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT </span>
<a name="l00028"></a>00028 <span class="comment"> * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, </span>
<a name="l00029"></a>00029 <span class="comment"> * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY </span>
<a name="l00030"></a>00030 <span class="comment"> * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT </span>
<a name="l00031"></a>00031 <span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE </span>
<a name="l00032"></a>00032 <span class="comment"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00033"></a>00033 <span class="comment"> *</span>
<a name="l00034"></a>00034 <span class="comment"> * ====================================================================</span>
<a name="l00035"></a>00035 <span class="comment"> *</span>
<a name="l00036"></a>00036 <span class="comment"> */</span>
<a name="l00037"></a>00037 <span class="comment">/*</span>
<a name="l00038"></a>00038 <span class="comment"> * bio.c -- Sphinx-3 binary file I/O functions.</span>
<a name="l00039"></a>00039 <span class="comment"> * </span>
<a name="l00040"></a>00040 <span class="comment"> * **********************************************</span>
<a name="l00041"></a>00041 <span class="comment"> * CMU ARPA Speech Project</span>
<a name="l00042"></a>00042 <span class="comment"> *</span>
<a name="l00043"></a>00043 <span class="comment"> * Copyright (c) 1996 Carnegie Mellon University.</span>
<a name="l00044"></a>00044 <span class="comment"> * ALL RIGHTS RESERVED.</span>
<a name="l00045"></a>00045 <span class="comment"> * **********************************************</span>
<a name="l00046"></a>00046 <span class="comment"> * </span>
<a name="l00047"></a>00047 <span class="comment"> * HISTORY</span>
<a name="l00048"></a>00048 <span class="comment"> * $Log$</span>
<a name="l00049"></a>00049 <span class="comment"> * Revision 1.4 2005/06/21 20:40:46 arthchan2003</span>
<a name="l00050"></a>00050 <span class="comment"> * 1, Fixed doxygen documentation, 2, Add the $ keyword.</span>
<a name="l00051"></a>00051 <span class="comment"> * </span>
<a name="l00052"></a>00052 <span class="comment"> * Revision 1.3 2005/03/30 01:22:46 archan</span>
<a name="l00053"></a>00053 <span class="comment"> * Fixed mistakes in last updates. Add</span>
<a name="l00054"></a>00054 <span class="comment"> *</span>
<a name="l00055"></a>00055 <span class="comment"> * </span>
<a name="l00056"></a>00056 <span class="comment"> * 02-Jul-1997 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon University</span>
<a name="l00057"></a>00057 <span class="comment"> * Bugfix: Added byteswapping in bio_verify_chksum().</span>
<a name="l00058"></a>00058 <span class="comment"> * </span>
<a name="l00059"></a>00059 <span class="comment"> * 18-Dec-1996 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon University</span>
<a name="l00060"></a>00060 <span class="comment"> * Created.</span>
<a name="l00061"></a>00061 <span class="comment"> */</span>
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="preprocessor">#include <stdio.h></span>
<a name="l00064"></a>00064 <span class="preprocessor">#include <string.h></span>
<a name="l00065"></a>00065 <span class="preprocessor">#include <assert.h></span>
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="preprocessor">#ifdef _MSC_VER</span>
<a name="l00068"></a>00068 <span class="preprocessor"></span><span class="preprocessor">#pragma warning (disable: 4996)</span>
<a name="l00069"></a>00069 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00070"></a>00070 <span class="preprocessor"></span>
<a name="l00071"></a>00071 <span class="preprocessor">#include "sphinxbase/bio.h"</span>
<a name="l00072"></a>00072 <span class="preprocessor">#include "sphinxbase/err.h"</span>
<a name="l00073"></a>00073 <span class="preprocessor">#include "sphinxbase/ckd_alloc.h"</span>
<a name="l00074"></a>00074
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="preprocessor">#define BIO_HDRARG_MAX 32</span>
<a name="l00077"></a>00077 <span class="preprocessor"></span><span class="preprocessor">#define END_COMMENT "*end_comment*\n"</span>
<a name="l00078"></a>00078 <span class="preprocessor"></span>
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00081"></a>00081 bcomment_read(FILE * fp)
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 __BIGSTACKVARIABLE__ <span class="keywordtype">char</span> iline[16384];
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="keywordflow">while</span> (fgets(iline, <span class="keyword">sizeof</span>(iline), fp) != NULL) {
<a name="l00086"></a>00086 <span class="keywordflow">if</span> (strcmp(iline, END_COMMENT) == 0)
<a name="l00087"></a>00087 <span class="keywordflow">return</span>;
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089 <a class="code" href="err_8h.html#a1a4495946ab2449d61108fe829a94613" title="Exit with non-zero status after error message.">E_FATAL</a>(<span class="stringliteral">"Missing %s marker\n"</span>, END_COMMENT);
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="keyword">static</span> int32
<a name="l00094"></a>00094 swap_check(FILE * fp)
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 uint32 magic;
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <span class="keywordflow">if</span> (fread(&magic, <span class="keyword">sizeof</span>(uint32), 1, fp) != 1) {
<a name="l00099"></a>00099 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Cannot read BYTEORDER MAGIC NO.\n"</span>);
<a name="l00100"></a>00100 <span class="keywordflow">return</span> -1;
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keywordflow">if</span> (magic != BYTE_ORDER_MAGIC) {
<a name="l00104"></a>00104 <span class="comment">/* either need to swap or got bogus magic number */</span>
<a name="l00105"></a>00105 SWAP_INT32(&magic);
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="keywordflow">if</span> (magic == BYTE_ORDER_MAGIC)
<a name="l00108"></a>00108 <span class="keywordflow">return</span> 1;
<a name="l00109"></a>00109
<a name="l00110"></a>00110 SWAP_INT32(&magic);
<a name="l00111"></a>00111 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Bad BYTEORDER MAGIC NO: %08x, expecting %08x\n"</span>,
<a name="l00112"></a>00112 magic, BYTE_ORDER_MAGIC);
<a name="l00113"></a>00113 <span class="keywordflow">return</span> -1;
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keywordflow">return</span> 0;
<a name="l00117"></a>00117 }
<a name="l00118"></a>00118
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="keywordtype">void</span>
<a name="l00121"></a><a class="code" href="bio_8h.html#adb3c858a50381aeff022ccd4271af2d9">00121</a> <a class="code" href="bio_8h.html#adb3c858a50381aeff022ccd4271af2d9" title="Free name and value strings previously allocated and returned by bio_readhdr.">bio_hdrarg_free</a>(<span class="keywordtype">char</span> **argname, <span class="keywordtype">char</span> **argval)
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 int32 i;
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <span class="keywordflow">if</span> (argname == NULL)
<a name="l00126"></a>00126 <span class="keywordflow">return</span>;
<a name="l00127"></a>00127 <span class="keywordflow">for</span> (i = 0; argname[i]; i++) {
<a name="l00128"></a>00128 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(argname[i]);
<a name="l00129"></a>00129 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(argval[i]);
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(argname);
<a name="l00132"></a>00132 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(argval);
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135
<a name="l00136"></a>00136 int32
<a name="l00137"></a><a class="code" href="bio_8h.html#a9662c09be1f18377488dedb8e7ca0bfd">00137</a> <a class="code" href="bio_8h.html#a9662c09be1f18377488dedb8e7ca0bfd" title="Write a simple binary file header, containing only the version string.">bio_writehdr_version</a>(FILE * fp, <span class="keywordtype">char</span> *version)
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 uint32 b;
<a name="l00140"></a>00140
<a name="l00141"></a>00141 fprintf(fp, <span class="stringliteral">"s3\n"</span>);
<a name="l00142"></a>00142 fprintf(fp, <span class="stringliteral">"version %s\n"</span>, version);
<a name="l00143"></a>00143 fprintf(fp, <span class="stringliteral">"endhdr\n"</span>);
<a name="l00144"></a>00144 fflush(fp);
<a name="l00145"></a>00145
<a name="l00146"></a>00146 b = (uint32) BYTE_ORDER_MAGIC;
<a name="l00147"></a>00147 fwrite(&b, <span class="keyword">sizeof</span>(uint32), 1, fp);
<a name="l00148"></a>00148 fflush(fp);
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="keywordflow">return</span> 0;
<a name="l00151"></a>00151 }
<a name="l00152"></a>00152
<a name="l00153"></a>00153
<a name="l00154"></a>00154 int32
<a name="l00155"></a>00155 bio_writehdr(FILE *fp, ...)
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 <span class="keywordtype">char</span> <span class="keyword">const</span> *key;
<a name="l00158"></a>00158 va_list args;
<a name="l00159"></a>00159 uint32 b;
<a name="l00160"></a>00160
<a name="l00161"></a>00161 fprintf(fp, <span class="stringliteral">"s3\n"</span>);
<a name="l00162"></a>00162 va_start(args, fp);
<a name="l00163"></a>00163 <span class="keywordflow">while</span> ((key = va_arg(args, <span class="keywordtype">char</span> <span class="keyword">const</span> *)) != NULL) {
<a name="l00164"></a>00164 <span class="keywordtype">char</span> <span class="keyword">const</span> *val = va_arg(args, <span class="keywordtype">char</span> <span class="keyword">const</span> *);
<a name="l00165"></a>00165 <span class="keywordflow">if</span> (val == NULL) {
<a name="l00166"></a>00166 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Wrong number of arguments\n"</span>);
<a name="l00167"></a>00167 va_end(args);
<a name="l00168"></a>00168 <span class="keywordflow">return</span> -1;
<a name="l00169"></a>00169 }
<a name="l00170"></a>00170 fprintf(fp, <span class="stringliteral">"%s %s\n"</span>, key, val);
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172 va_end(args);
<a name="l00173"></a>00173
<a name="l00174"></a>00174 fprintf(fp, <span class="stringliteral">"endhdr\n"</span>);
<a name="l00175"></a>00175 fflush(fp);
<a name="l00176"></a>00176
<a name="l00177"></a>00177 b = (uint32) BYTE_ORDER_MAGIC;
<a name="l00178"></a>00178 <span class="keywordflow">if</span> (fwrite(&b, <span class="keyword">sizeof</span>(uint32), 1, fp) != 1)
<a name="l00179"></a>00179 <span class="keywordflow">return</span> -1;
<a name="l00180"></a>00180 fflush(fp);
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <span class="keywordflow">return</span> 0;
<a name="l00183"></a>00183 }
<a name="l00184"></a>00184
<a name="l00185"></a>00185
<a name="l00186"></a>00186 int32
<a name="l00187"></a><a class="code" href="bio_8h.html#a7a155ff51740f1d9a31f7bb7b6e4bc3a">00187</a> <a class="code" href="bio_8h.html#a7a155ff51740f1d9a31f7bb7b6e4bc3a" title="Read binary file format header: has the following format.">bio_readhdr</a>(FILE * fp, <span class="keywordtype">char</span> ***argname, <span class="keywordtype">char</span> ***argval, int32 * swap)
<a name="l00188"></a>00188 {
<a name="l00189"></a>00189 __BIGSTACKVARIABLE__ <span class="keywordtype">char</span> line[16384], word[4096];
<a name="l00190"></a>00190 int32 i, l;
<a name="l00191"></a>00191 int32 lineno;
<a name="l00192"></a>00192
<a name="l00193"></a>00193 *argname = (<span class="keywordtype">char</span> **) <a class="code" href="ckd__alloc_8h.html#aa00ef21903bc4f8a972488417adc8d2e" title="Macros to simplify the use of above functions.">ckd_calloc</a>(BIO_HDRARG_MAX + 1, <span class="keyword">sizeof</span>(<span class="keywordtype">char</span> *));
<a name="l00194"></a>00194 *argval = (<span class="keywordtype">char</span> **) <a class="code" href="ckd__alloc_8h.html#aa00ef21903bc4f8a972488417adc8d2e" title="Macros to simplify the use of above functions.">ckd_calloc</a>(BIO_HDRARG_MAX, <span class="keyword">sizeof</span>(<span class="keywordtype">char</span> *));
<a name="l00195"></a>00195
<a name="l00196"></a>00196 lineno = 0;
<a name="l00197"></a>00197 <span class="keywordflow">if</span> (fgets(line, <span class="keyword">sizeof</span>(line), fp) == NULL){
<a name="l00198"></a>00198 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Premature EOF, line %d\n"</span>, lineno);
<a name="l00199"></a>00199 <span class="keywordflow">goto</span> error_out;
<a name="l00200"></a>00200 }
<a name="l00201"></a>00201 lineno++;
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="keywordflow">if</span> ((line[0] == <span class="charliteral">'s'</span>) && (line[1] == <span class="charliteral">'3'</span>) && (line[2] == <span class="charliteral">'\n'</span>)) {
<a name="l00204"></a>00204 <span class="comment">/* New format (post Dec-1996, including checksums); read argument-value pairs */</span>
<a name="l00205"></a>00205 <span class="keywordflow">for</span> (i = 0;;) {
<a name="l00206"></a>00206 <span class="keywordflow">if</span> (fgets(line, <span class="keyword">sizeof</span>(line), fp) == NULL) {
<a name="l00207"></a>00207 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Premature EOF, line %d\n"</span>, lineno);
<a name="l00208"></a>00208 <span class="keywordflow">goto</span> error_out;
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210 lineno++;
<a name="l00211"></a>00211
<a name="l00212"></a>00212 <span class="keywordflow">if</span> (sscanf(line, <span class="stringliteral">"%s%n"</span>, word, &l) != 1) {
<a name="l00213"></a>00213 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Header format error, line %d\n"</span>, lineno);
<a name="l00214"></a>00214 <span class="keywordflow">goto</span> error_out;
<a name="l00215"></a>00215 }
<a name="l00216"></a>00216 <span class="keywordflow">if</span> (strcmp(word, <span class="stringliteral">"endhdr"</span>) == 0)
<a name="l00217"></a>00217 <span class="keywordflow">break</span>;
<a name="l00218"></a>00218 <span class="keywordflow">if</span> (word[0] == <span class="charliteral">'#'</span>) <span class="comment">/* Skip comments */</span>
<a name="l00219"></a>00219 <span class="keywordflow">continue</span>;
<a name="l00220"></a>00220
<a name="l00221"></a>00221 <span class="keywordflow">if</span> (i >= BIO_HDRARG_MAX) {
<a name="l00222"></a>00222 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>
<a name="l00223"></a>00223 (<span class="stringliteral">"Max arg-value limit(%d) exceeded; increase BIO_HDRARG_MAX\n"</span>,
<a name="l00224"></a>00224 BIO_HDRARG_MAX);
<a name="l00225"></a>00225 <span class="keywordflow">goto</span> error_out;
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227
<a name="l00228"></a>00228 (*argname)[i] = <a class="code" href="ckd__alloc_8h.html#ad313f92478859f9e4ea99d0f6e78c393" title="Macro for __ckd_salloc__.">ckd_salloc</a>(word);
<a name="l00229"></a>00229 <span class="keywordflow">if</span> (sscanf(line + l, <span class="stringliteral">"%s"</span>, word) != 1) { <span class="comment">/* Multi-word values not allowed */</span>
<a name="l00230"></a>00230 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Header format error, line %d\n"</span>, lineno);
<a name="l00231"></a>00231 <span class="keywordflow">goto</span> error_out;
<a name="l00232"></a>00232 }
<a name="l00233"></a>00233 (*argval)[i] = <a class="code" href="ckd__alloc_8h.html#ad313f92478859f9e4ea99d0f6e78c393" title="Macro for __ckd_salloc__.">ckd_salloc</a>(word);
<a name="l00234"></a>00234 i++;
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236 }
<a name="l00237"></a>00237 <span class="keywordflow">else</span> {
<a name="l00238"></a>00238 <span class="comment">/* Old format (without checksums); the first entry must be the version# */</span>
<a name="l00239"></a>00239 <span class="keywordflow">if</span> (sscanf(line, <span class="stringliteral">"%s"</span>, word) != 1) {
<a name="l00240"></a>00240 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"Header format error, line %d\n"</span>, lineno);
<a name="l00241"></a>00241 <span class="keywordflow">goto</span> error_out;
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243
<a name="l00244"></a>00244 (*argname)[0] = <a class="code" href="ckd__alloc_8h.html#ad313f92478859f9e4ea99d0f6e78c393" title="Macro for __ckd_salloc__.">ckd_salloc</a>(<span class="stringliteral">"version"</span>);
<a name="l00245"></a>00245 (*argval)[0] = <a class="code" href="ckd__alloc_8h.html#ad313f92478859f9e4ea99d0f6e78c393" title="Macro for __ckd_salloc__.">ckd_salloc</a>(word);
<a name="l00246"></a>00246 i = 1;
<a name="l00247"></a>00247
<a name="l00248"></a>00248 bcomment_read(fp);
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250 (*argname)[i] = NULL;
<a name="l00251"></a>00251
<a name="l00252"></a>00252 <span class="keywordflow">if</span> ((*swap = swap_check(fp)) < 0) {
<a name="l00253"></a>00253 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"swap_check failed\n"</span>);
<a name="l00254"></a>00254 <span class="keywordflow">goto</span> error_out;
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="keywordflow">return</span> 0;
<a name="l00258"></a>00258 error_out:
<a name="l00259"></a>00259 <a class="code" href="bio_8h.html#adb3c858a50381aeff022ccd4271af2d9" title="Free name and value strings previously allocated and returned by bio_readhdr.">bio_hdrarg_free</a>(*argname, *argval);
<a name="l00260"></a>00260 *argname = *argval = NULL;
<a name="l00261"></a>00261 <span class="keywordflow">return</span> -1;
<a name="l00262"></a>00262 }
<a name="l00263"></a>00263
<a name="l00264"></a>00264
<a name="l00265"></a>00265 <span class="keyword">static</span> uint32
<a name="l00266"></a>00266 chksum_accum(<span class="keywordtype">void</span> *buf, int32 el_sz, int32 n_el, uint32 sum)
<a name="l00267"></a>00267 {
<a name="l00268"></a>00268 int32 i;
<a name="l00269"></a>00269 uint8 *i8;
<a name="l00270"></a>00270 uint16 *i16;
<a name="l00271"></a>00271 uint32 *i32;
<a name="l00272"></a>00272
<a name="l00273"></a>00273 <span class="keywordflow">switch</span> (el_sz) {
<a name="l00274"></a>00274 <span class="keywordflow">case</span> 1:
<a name="l00275"></a>00275 i8 = (uint8 *) buf;
<a name="l00276"></a>00276 <span class="keywordflow">for</span> (i = 0; i < n_el; i++)
<a name="l00277"></a>00277 sum = (sum << 5 | sum >> 27) + i8[i];
<a name="l00278"></a>00278 <span class="keywordflow">break</span>;
<a name="l00279"></a>00279 <span class="keywordflow">case</span> 2:
<a name="l00280"></a>00280 i16 = (uint16 *) buf;
<a name="l00281"></a>00281 <span class="keywordflow">for</span> (i = 0; i < n_el; i++)
<a name="l00282"></a>00282 sum = (sum << 10 | sum >> 22) + i16[i];
<a name="l00283"></a>00283 <span class="keywordflow">break</span>;
<a name="l00284"></a>00284 <span class="keywordflow">case</span> 4:
<a name="l00285"></a>00285 i32 = (uint32 *) buf;
<a name="l00286"></a>00286 <span class="keywordflow">for</span> (i = 0; i < n_el; i++)
<a name="l00287"></a>00287 sum = (sum << 20 | sum >> 12) + i32[i];
<a name="l00288"></a>00288 <span class="keywordflow">break</span>;
<a name="l00289"></a>00289 <span class="keywordflow">default</span>:
<a name="l00290"></a>00290 <a class="code" href="err_8h.html#a1a4495946ab2449d61108fe829a94613" title="Exit with non-zero status after error message.">E_FATAL</a>(<span class="stringliteral">"Unsupported elemsize for checksum: %d\n"</span>, el_sz);
<a name="l00291"></a>00291 <span class="keywordflow">break</span>;
<a name="l00292"></a>00292 }
<a name="l00293"></a>00293
<a name="l00294"></a>00294 <span class="keywordflow">return</span> sum;
<a name="l00295"></a>00295 }
<a name="l00296"></a>00296
<a name="l00297"></a>00297
<a name="l00298"></a>00298 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00299"></a>00299 swap_buf(<span class="keywordtype">void</span> *buf, int32 el_sz, int32 n_el)
<a name="l00300"></a>00300 {
<a name="l00301"></a>00301 int32 i;
<a name="l00302"></a>00302 uint16 *buf16;
<a name="l00303"></a>00303 uint32 *buf32;
<a name="l00304"></a>00304
<a name="l00305"></a>00305 <span class="keywordflow">switch</span> (el_sz) {
<a name="l00306"></a>00306 <span class="keywordflow">case</span> 1:
<a name="l00307"></a>00307 <span class="keywordflow">break</span>;
<a name="l00308"></a>00308 <span class="keywordflow">case</span> 2:
<a name="l00309"></a>00309 buf16 = (uint16 *) buf;
<a name="l00310"></a>00310 <span class="keywordflow">for</span> (i = 0; i < n_el; i++)
<a name="l00311"></a>00311 SWAP_INT16(buf16 + i);
<a name="l00312"></a>00312 <span class="keywordflow">break</span>;
<a name="l00313"></a>00313 <span class="keywordflow">case</span> 4:
<a name="l00314"></a>00314 buf32 = (uint32 *) buf;
<a name="l00315"></a>00315 <span class="keywordflow">for</span> (i = 0; i < n_el; i++)
<a name="l00316"></a>00316 SWAP_INT32(buf32 + i);
<a name="l00317"></a>00317 <span class="keywordflow">break</span>;
<a name="l00318"></a>00318 <span class="keywordflow">default</span>:
<a name="l00319"></a>00319 <a class="code" href="err_8h.html#a1a4495946ab2449d61108fe829a94613" title="Exit with non-zero status after error message.">E_FATAL</a>(<span class="stringliteral">"Unsupported elemsize for byteswapping: %d\n"</span>, el_sz);
<a name="l00320"></a>00320 <span class="keywordflow">break</span>;
<a name="l00321"></a>00321 }
<a name="l00322"></a>00322 }
<a name="l00323"></a>00323
<a name="l00324"></a>00324
<a name="l00325"></a>00325 int32
<a name="l00326"></a><a class="code" href="bio_8h.html#a7068bb61e421bc46a6989cef3b37c833">00326</a> <a class="code" href="bio_8h.html#a7068bb61e421bc46a6989cef3b37c833" title="Like fread but perform byteswapping and accumulate checksum (the 2 extra arguments).">bio_fread</a>(<span class="keywordtype">void</span> *buf, int32 el_sz, int32 n_el, FILE * fp, int32 swap,
<a name="l00327"></a>00327 uint32 * chksum)
<a name="l00328"></a>00328 {
<a name="l00329"></a>00329 <span class="keywordflow">if</span> (fread(buf, el_sz, n_el, fp) != (<span class="keywordtype">size_t</span>) n_el)
<a name="l00330"></a>00330 <span class="keywordflow">return</span> -1;
<a name="l00331"></a>00331
<a name="l00332"></a>00332 <span class="keywordflow">if</span> (swap)
<a name="l00333"></a>00333 swap_buf(buf, el_sz, n_el);
<a name="l00334"></a>00334
<a name="l00335"></a>00335 <span class="keywordflow">if</span> (chksum)
<a name="l00336"></a>00336 *chksum = chksum_accum(buf, el_sz, n_el, *chksum);
<a name="l00337"></a>00337
<a name="l00338"></a>00338 <span class="keywordflow">return</span> n_el;
<a name="l00339"></a>00339 }
<a name="l00340"></a>00340
<a name="l00341"></a>00341 int32
<a name="l00342"></a><a class="code" href="bio_8h.html#a3b131beb20492e1a6f46c9b4dd81a64e">00342</a> <a class="code" href="bio_8h.html#a3b131beb20492e1a6f46c9b4dd81a64e" title="Like fwrite but perform byteswapping and accumulate checksum (the 2 extra arguments).">bio_fwrite</a>(<span class="keywordtype">void</span> *buf, int32 el_sz, int32 n_el, FILE *fp,
<a name="l00343"></a>00343 int32 swap, uint32 *chksum)
<a name="l00344"></a>00344 {
<a name="l00345"></a>00345 <span class="keywordflow">if</span> (chksum)
<a name="l00346"></a>00346 *chksum = chksum_accum(buf, el_sz, n_el, *chksum);
<a name="l00347"></a>00347 <span class="keywordflow">if</span> (swap) {
<a name="l00348"></a>00348 <span class="keywordtype">void</span> *nbuf;
<a name="l00349"></a>00349 <span class="keywordtype">int</span> rv;
<a name="l00350"></a>00350
<a name="l00351"></a>00351 nbuf = <a class="code" href="ckd__alloc_8h.html#aa00ef21903bc4f8a972488417adc8d2e" title="Macros to simplify the use of above functions.">ckd_calloc</a>(n_el, el_sz);
<a name="l00352"></a>00352 memcpy(nbuf, buf, n_el * el_sz);
<a name="l00353"></a>00353 swap_buf(nbuf, el_sz, n_el);
<a name="l00354"></a>00354 rv = fwrite(nbuf, el_sz, n_el, fp);
<a name="l00355"></a>00355 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(nbuf);
<a name="l00356"></a>00356 <span class="keywordflow">return</span> rv;
<a name="l00357"></a>00357 }
<a name="l00358"></a>00358 <span class="keywordflow">else</span> {
<a name="l00359"></a>00359 <span class="keywordflow">return</span> fwrite(buf, el_sz, n_el, fp);
<a name="l00360"></a>00360 }
<a name="l00361"></a>00361 }
<a name="l00362"></a>00362
<a name="l00363"></a>00363 int32
<a name="l00364"></a><a class="code" href="bio_8h.html#aaeda1ca5a5c0ca5a9e5b4820c442bbe5">00364</a> <a class="code" href="bio_8h.html#aaeda1ca5a5c0ca5a9e5b4820c442bbe5" title="Read a 1-d array (fashioned after fread):">bio_fread_1d</a>(<span class="keywordtype">void</span> **buf, <span class="keywordtype">size_t</span> el_sz, uint32 * n_el, FILE * fp,
<a name="l00365"></a>00365 int32 sw, uint32 * ck)
<a name="l00366"></a>00366 {
<a name="l00367"></a>00367 <span class="comment">/* Read 1-d array size */</span>
<a name="l00368"></a>00368 <span class="keywordflow">if</span> (<a class="code" href="bio_8h.html#a7068bb61e421bc46a6989cef3b37c833" title="Like fread but perform byteswapping and accumulate checksum (the 2 extra arguments).">bio_fread</a>(n_el, <span class="keyword">sizeof</span>(int32), 1, fp, sw, ck) != 1)
<a name="l00369"></a>00369 <a class="code" href="err_8h.html#a1a4495946ab2449d61108fe829a94613" title="Exit with non-zero status after error message.">E_FATAL</a>(<span class="stringliteral">"fread(arraysize) failed\n"</span>);
<a name="l00370"></a>00370 <span class="keywordflow">if</span> (*n_el <= 0)
<a name="l00371"></a>00371 <a class="code" href="err_8h.html#a1a4495946ab2449d61108fe829a94613" title="Exit with non-zero status after error message.">E_FATAL</a>(<span class="stringliteral">"Bad arraysize: %d\n"</span>, *n_el);
<a name="l00372"></a>00372
<a name="l00373"></a>00373 <span class="comment">/* Allocate memory for array data */</span>
<a name="l00374"></a>00374 *buf = (<span class="keywordtype">void</span> *) <a class="code" href="ckd__alloc_8h.html#aa00ef21903bc4f8a972488417adc8d2e" title="Macros to simplify the use of above functions.">ckd_calloc</a>(*n_el, el_sz);
<a name="l00375"></a>00375
<a name="l00376"></a>00376 <span class="comment">/* Read array data */</span>
<a name="l00377"></a>00377 <span class="keywordflow">if</span> (<a class="code" href="bio_8h.html#a7068bb61e421bc46a6989cef3b37c833" title="Like fread but perform byteswapping and accumulate checksum (the 2 extra arguments).">bio_fread</a>(*buf, el_sz, *n_el, fp, sw, ck) != *n_el)
<a name="l00378"></a>00378 <a class="code" href="err_8h.html#a1a4495946ab2449d61108fe829a94613" title="Exit with non-zero status after error message.">E_FATAL</a>(<span class="stringliteral">"fread(arraydata) failed\n"</span>);
<a name="l00379"></a>00379
<a name="l00380"></a>00380 <span class="keywordflow">return</span> *n_el;
<a name="l00381"></a>00381 }
<a name="l00382"></a>00382
<a name="l00383"></a>00383 int32
<a name="l00384"></a><a class="code" href="bio_8h.html#a70604d0f8035f0868f9284fa82e4fdb8">00384</a> <a class="code" href="bio_8h.html#a70604d0f8035f0868f9284fa82e4fdb8" title="Read a 2-d matrix:">bio_fread_2d</a>(<span class="keywordtype">void</span> ***arr,
<a name="l00385"></a>00385 <span class="keywordtype">size_t</span> e_sz,
<a name="l00386"></a>00386 uint32 *d1,
<a name="l00387"></a>00387 uint32 *d2,
<a name="l00388"></a>00388 FILE *fp,
<a name="l00389"></a>00389 uint32 swap,
<a name="l00390"></a>00390 uint32 *chksum)
<a name="l00391"></a>00391 {
<a name="l00392"></a>00392 uint32 l_d1, l_d2;
<a name="l00393"></a>00393 uint32 n;
<a name="l00394"></a>00394 <span class="keywordtype">size_t</span> ret;
<a name="l00395"></a>00395 <span class="keywordtype">void</span> *raw;
<a name="l00396"></a>00396
<a name="l00397"></a>00397 ret = <a class="code" href="bio_8h.html#a7068bb61e421bc46a6989cef3b37c833" title="Like fread but perform byteswapping and accumulate checksum (the 2 extra arguments).">bio_fread</a>(&l_d1, <span class="keyword">sizeof</span>(uint32), 1, fp, swap, chksum);
<a name="l00398"></a>00398 <span class="keywordflow">if</span> (ret != 1) {
<a name="l00399"></a>00399 <span class="keywordflow">if</span> (ret == 0) {
<a name="l00400"></a>00400 <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03" title="Print error text; Call perror(&quot;&quot;);.">E_ERROR_SYSTEM</a>(<span class="stringliteral">"Unable to read complete data"</span>);
<a name="l00401"></a>00401 }
<a name="l00402"></a>00402 <span class="keywordflow">else</span> {
<a name="l00403"></a>00403 <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03" title="Print error text; Call perror(&quot;&quot;);.">E_ERROR_SYSTEM</a>(<span class="stringliteral">"OS error in bio_fread_2d"</span>);
<a name="l00404"></a>00404 }
<a name="l00405"></a>00405 <span class="keywordflow">return</span> -1;
<a name="l00406"></a>00406 }
<a name="l00407"></a>00407 ret = <a class="code" href="bio_8h.html#a7068bb61e421bc46a6989cef3b37c833" title="Like fread but perform byteswapping and accumulate checksum (the 2 extra arguments).">bio_fread</a>(&l_d2, <span class="keyword">sizeof</span>(uint32), 1, fp, swap, chksum);
<a name="l00408"></a>00408 <span class="keywordflow">if</span> (ret != 1) {
<a name="l00409"></a>00409 <span class="keywordflow">if</span> (ret == 0) {
<a name="l00410"></a>00410 <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03" title="Print error text; Call perror(&quot;&quot;);.">E_ERROR_SYSTEM</a>(<span class="stringliteral">"Unable to read complete data"</span>);
<a name="l00411"></a>00411 }
<a name="l00412"></a>00412 <span class="keywordflow">else</span> {
<a name="l00413"></a>00413 <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03" title="Print error text; Call perror(&quot;&quot;);.">E_ERROR_SYSTEM</a>(<span class="stringliteral">"OS error in bio_fread_2d"</span>);
<a name="l00414"></a>00414 }
<a name="l00415"></a>00415 <span class="keywordflow">return</span> -1;
<a name="l00416"></a>00416 }
<a name="l00417"></a>00417 <span class="keywordflow">if</span> (<a class="code" href="bio_8h.html#aaeda1ca5a5c0ca5a9e5b4820c442bbe5" title="Read a 1-d array (fashioned after fread):">bio_fread_1d</a>(&raw, e_sz, &n, fp, swap, chksum) != n)
<a name="l00418"></a>00418 <span class="keywordflow">return</span> -1;
<a name="l00419"></a>00419
<a name="l00420"></a>00420 assert(n == l_d1*l_d2);
<a name="l00421"></a>00421
<a name="l00422"></a>00422 *d1 = l_d1;
<a name="l00423"></a>00423 *d2 = l_d2;
<a name="l00424"></a>00424 *arr = <a class="code" href="ckd__alloc_8h.html#ad5d0dce212e97207af42803a3add00e1" title="Macro for __ckd_alloc_2d_ptr__.">ckd_alloc_2d_ptr</a>(l_d1, l_d2, raw, e_sz);
<a name="l00425"></a>00425
<a name="l00426"></a>00426 <span class="keywordflow">return</span> n;
<a name="l00427"></a>00427 }
<a name="l00428"></a>00428
<a name="l00429"></a>00429 int32
<a name="l00430"></a><a class="code" href="bio_8h.html#aca6a6b71d02b9e5ca6b136a28640e0c1">00430</a> <a class="code" href="bio_8h.html#aca6a6b71d02b9e5ca6b136a28640e0c1" title="Read a 3-d array (set of matrices)">bio_fread_3d</a>(<span class="keywordtype">void</span> ****arr,
<a name="l00431"></a>00431 <span class="keywordtype">size_t</span> e_sz,
<a name="l00432"></a>00432 uint32 *d1,
<a name="l00433"></a>00433 uint32 *d2,
<a name="l00434"></a>00434 uint32 *d3,
<a name="l00435"></a>00435 FILE *fp,
<a name="l00436"></a>00436 uint32 swap,
<a name="l00437"></a>00437 uint32 *chksum)
<a name="l00438"></a>00438 {
<a name="l00439"></a>00439 uint32 l_d1;
<a name="l00440"></a>00440 uint32 l_d2;
<a name="l00441"></a>00441 uint32 l_d3;
<a name="l00442"></a>00442 uint32 n;
<a name="l00443"></a>00443 <span class="keywordtype">void</span> *raw;
<a name="l00444"></a>00444 <span class="keywordtype">size_t</span> ret;
<a name="l00445"></a>00445
<a name="l00446"></a>00446 ret = <a class="code" href="bio_8h.html#a7068bb61e421bc46a6989cef3b37c833" title="Like fread but perform byteswapping and accumulate checksum (the 2 extra arguments).">bio_fread</a>(&l_d1, <span class="keyword">sizeof</span>(uint32), 1, fp, swap, chksum);
<a name="l00447"></a>00447 <span class="keywordflow">if</span> (ret != 1) {
<a name="l00448"></a>00448 <span class="keywordflow">if</span> (ret == 0) {
<a name="l00449"></a>00449 <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03" title="Print error text; Call perror(&quot;&quot;);.">E_ERROR_SYSTEM</a>(<span class="stringliteral">"Unable to read complete data"</span>);
<a name="l00450"></a>00450 }
<a name="l00451"></a>00451 <span class="keywordflow">else</span> {
<a name="l00452"></a>00452 <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03" title="Print error text; Call perror(&quot;&quot;);.">E_ERROR_SYSTEM</a>(<span class="stringliteral">"OS error in bio_fread_3d"</span>);
<a name="l00453"></a>00453 }
<a name="l00454"></a>00454 <span class="keywordflow">return</span> -1;
<a name="l00455"></a>00455 }
<a name="l00456"></a>00456 ret = <a class="code" href="bio_8h.html#a7068bb61e421bc46a6989cef3b37c833" title="Like fread but perform byteswapping and accumulate checksum (the 2 extra arguments).">bio_fread</a>(&l_d2, <span class="keyword">sizeof</span>(uint32), 1, fp, swap, chksum);
<a name="l00457"></a>00457 <span class="keywordflow">if</span> (ret != 1) {
<a name="l00458"></a>00458 <span class="keywordflow">if</span> (ret == 0) {
<a name="l00459"></a>00459 <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03" title="Print error text; Call perror(&quot;&quot;);.">E_ERROR_SYSTEM</a>(<span class="stringliteral">"Unable to read complete data"</span>);
<a name="l00460"></a>00460 }
<a name="l00461"></a>00461 <span class="keywordflow">else</span> {
<a name="l00462"></a>00462 <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03" title="Print error text; Call perror(&quot;&quot;);.">E_ERROR_SYSTEM</a>(<span class="stringliteral">"OS error in bio_fread_3d"</span>);
<a name="l00463"></a>00463 }
<a name="l00464"></a>00464 <span class="keywordflow">return</span> -1;
<a name="l00465"></a>00465 }
<a name="l00466"></a>00466 ret = <a class="code" href="bio_8h.html#a7068bb61e421bc46a6989cef3b37c833" title="Like fread but perform byteswapping and accumulate checksum (the 2 extra arguments).">bio_fread</a>(&l_d3, <span class="keyword">sizeof</span>(uint32), 1, fp, swap, chksum);
<a name="l00467"></a>00467 <span class="keywordflow">if</span> (ret != 1) {
<a name="l00468"></a>00468 <span class="keywordflow">if</span> (ret == 0) {
<a name="l00469"></a>00469 <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03" title="Print error text; Call perror(&quot;&quot;);.">E_ERROR_SYSTEM</a>(<span class="stringliteral">"Unable to read complete data"</span>);
<a name="l00470"></a>00470 }
<a name="l00471"></a>00471 <span class="keywordflow">else</span> {
<a name="l00472"></a>00472 <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03" title="Print error text; Call perror(&quot;&quot;);.">E_ERROR_SYSTEM</a>(<span class="stringliteral">"OS error in bio_fread_3d"</span>);
<a name="l00473"></a>00473 }
<a name="l00474"></a>00474 <span class="keywordflow">return</span> -1;
<a name="l00475"></a>00475 }
<a name="l00476"></a>00476
<a name="l00477"></a>00477 <span class="keywordflow">if</span> (<a class="code" href="bio_8h.html#aaeda1ca5a5c0ca5a9e5b4820c442bbe5" title="Read a 1-d array (fashioned after fread):">bio_fread_1d</a>(&raw, e_sz, &n, fp, swap, chksum) != n) {
<a name="l00478"></a>00478 <span class="keywordflow">return</span> -1;
<a name="l00479"></a>00479 }
<a name="l00480"></a>00480
<a name="l00481"></a>00481 assert(n == l_d1 * l_d2 * l_d3);
<a name="l00482"></a>00482
<a name="l00483"></a>00483 *arr = <a class="code" href="ckd__alloc_8h.html#ab29a3fbbd58bc59aa2827eaeda090d06" title="Macro for __ckd_alloc_3d_ptr__.">ckd_alloc_3d_ptr</a>(l_d1, l_d2, l_d3, raw, e_sz);
<a name="l00484"></a>00484 *d1 = l_d1;
<a name="l00485"></a>00485 *d2 = l_d2;
<a name="l00486"></a>00486 *d3 = l_d3;
<a name="l00487"></a>00487
<a name="l00488"></a>00488 <span class="keywordflow">return</span> n;
<a name="l00489"></a>00489 }
<a name="l00490"></a>00490
<a name="l00491"></a>00491 <span class="keywordtype">void</span>
<a name="l00492"></a><a class="code" href="bio_8h.html#ad07e2ee9f2f01d3ff3232008098295a0">00492</a> <a class="code" href="bio_8h.html#ad07e2ee9f2f01d3ff3232008098295a0" title="Read and verify checksum at the end of binary file.">bio_verify_chksum</a>(FILE * fp, int32 byteswap, uint32 chksum)
<a name="l00493"></a>00493 {
<a name="l00494"></a>00494 uint32 file_chksum;
<a name="l00495"></a>00495
<a name="l00496"></a>00496 <span class="keywordflow">if</span> (fread(&file_chksum, <span class="keyword">sizeof</span>(uint32), 1, fp) != 1)
<a name="l00497"></a>00497 <a class="code" href="err_8h.html#a1a4495946ab2449d61108fe829a94613" title="Exit with non-zero status after error message.">E_FATAL</a>(<span class="stringliteral">"fread(chksum) failed\n"</span>);
<a name="l00498"></a>00498 <span class="keywordflow">if</span> (byteswap)
<a name="l00499"></a>00499 SWAP_INT32(&file_chksum);
<a name="l00500"></a>00500 <span class="keywordflow">if</span> (file_chksum != chksum)
<a name="l00501"></a>00501 <a class="code" href="err_8h.html#a1a4495946ab2449d61108fe829a94613" title="Exit with non-zero status after error message.">E_FATAL</a>
<a name="l00502"></a>00502 (<span class="stringliteral">"Checksum error; file-checksum %08x, computed %08x\n"</span>,
<a name="l00503"></a>00503 file_chksum, chksum);
<a name="l00504"></a>00504 }
<a name="l00505"></a>00505
<a name="l00506"></a>00506 int16*
<a name="l00507"></a><a class="code" href="bio_8h.html#afe3c58abf0f2584fbd49e3eae7ac4509">00507</a> <a class="code" href="bio_8h.html#afe3c58abf0f2584fbd49e3eae7ac4509" title="Read raw data from the wav file.">bio_read_wavfile</a>(<span class="keywordtype">char</span> <span class="keyword">const</span> *directory,
<a name="l00508"></a>00508 <span class="keywordtype">char</span> <span class="keyword">const</span> *filename,
<a name="l00509"></a>00509 <span class="keywordtype">char</span> <span class="keyword">const</span> *extension,
<a name="l00510"></a>00510 int32 header,
<a name="l00511"></a>00511 int32 endian,
<a name="l00512"></a>00512 int32 *nsamps)
<a name="l00513"></a>00513 {
<a name="l00514"></a>00514 FILE *uttfp;
<a name="l00515"></a>00515 <span class="keywordtype">char</span> *inputfile;
<a name="l00516"></a>00516 int32 n, l;
<a name="l00517"></a>00517 int16 *data;
<a name="l00518"></a>00518
<a name="l00519"></a>00519 n = strlen(extension);
<a name="l00520"></a>00520 l = strlen(filename);
<a name="l00521"></a>00521 <span class="keywordflow">if</span> ((n <= l) && (0 == strcmp(filename + l - n, extension)))
<a name="l00522"></a>00522 extension = <span class="stringliteral">""</span>;
<a name="l00523"></a>00523 inputfile = <a class="code" href="ckd__alloc_8h.html#aa00ef21903bc4f8a972488417adc8d2e" title="Macros to simplify the use of above functions.">ckd_calloc</a>(strlen(directory) + l + n + 2, 1);
<a name="l00524"></a>00524 <span class="keywordflow">if</span> (directory) {
<a name="l00525"></a>00525 sprintf(inputfile, <span class="stringliteral">"%s/%s%s"</span>, directory, filename, extension);
<a name="l00526"></a>00526 } <span class="keywordflow">else</span> {
<a name="l00527"></a>00527 sprintf(inputfile, <span class="stringliteral">"%s%s"</span>, filename, extension);
<a name="l00528"></a>00528 }
<a name="l00529"></a>00529
<a name="l00530"></a>00530 <span class="keywordflow">if</span> ((uttfp = fopen(inputfile, <span class="stringliteral">"rb"</span>)) == NULL) {
<a name="l00531"></a>00531 <a class="code" href="err_8h.html#a1a4495946ab2449d61108fe829a94613" title="Exit with non-zero status after error message.">E_FATAL</a>(<span class="stringliteral">"fopen(%s,rb) failed\n"</span>, inputfile);
<a name="l00532"></a>00532 }
<a name="l00533"></a>00533 fseek(uttfp, 0, SEEK_END);
<a name="l00534"></a>00534 n = ftell(uttfp);
<a name="l00535"></a>00535 fseek(uttfp, 0, SEEK_SET);
<a name="l00536"></a>00536 <span class="keywordflow">if</span> (header > 0) {
<a name="l00537"></a>00537 <span class="keywordflow">if</span> (fseek(uttfp, header, SEEK_SET) < 0) {
<a name="l00538"></a>00538 <a class="code" href="err_8h.html#a5f7b2f58f5a663a6bdd51f197ae21993" title="Print error message to standard error stream.">E_ERROR</a>(<span class="stringliteral">"fseek(%s,%d) failed\n"</span>, inputfile, header);
<a name="l00539"></a>00539 fclose(uttfp);
<a name="l00540"></a>00540 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(inputfile);
<a name="l00541"></a>00541 <span class="keywordflow">return</span> NULL;
<a name="l00542"></a>00542 }
<a name="l00543"></a>00543 n -= header;
<a name="l00544"></a>00544 }
<a name="l00545"></a>00545 n /= <span class="keyword">sizeof</span>(int16);
<a name="l00546"></a>00546 data = <a class="code" href="ckd__alloc_8h.html#aa00ef21903bc4f8a972488417adc8d2e" title="Macros to simplify the use of above functions.">ckd_calloc</a>(n, <span class="keyword">sizeof</span>(*data));
<a name="l00547"></a>00547 <span class="keywordflow">if</span> ((l = fread(data, <span class="keyword">sizeof</span>(int16), n, uttfp)) < n) {
<a name="l00548"></a>00548 <a class="code" href="err_8h.html#a54ffbfe898d74595c586a1f48f32ef03" title="Print error text; Call perror(&quot;&quot;);.">E_ERROR_SYSTEM</a>(<span class="stringliteral">"Failed to read %d samples from %s: %d"</span>, n, inputfile, l);
<a name="l00549"></a>00549 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(data);
<a name="l00550"></a>00550 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(inputfile);
<a name="l00551"></a>00551 fclose(uttfp);
<a name="l00552"></a>00552 <span class="keywordflow">return</span> NULL;
<a name="l00553"></a>00553 }
<a name="l00554"></a>00554 <a class="code" href="ckd__alloc_8h.html#a31c6b405558620ac37599737b5722fbf" title="Test and free a 1-D array.">ckd_free</a>(inputfile);
<a name="l00555"></a>00555 fclose(uttfp);
<a name="l00556"></a>00556 <span class="keywordflow">if</span> (nsamps) *nsamps = n;
<a name="l00557"></a>00557
<a name="l00558"></a>00558 <span class="keywordflow">return</span> data;
<a name="l00559"></a>00559 }
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