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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00008"></a>00008 <span class="preprocessor">#include <net-snmp/net-snmp-config.h></span>
<a name="l00009"></a>00009 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00010"></a>00010 <span class="preprocessor">#include <stdio.h></span>
<a name="l00011"></a>00011 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00012"></a>00012 <span class="preprocessor">#include <ctype.h></span>
<a name="l00013"></a>00013 <span class="preprocessor">#if HAVE_STRING_H</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#include <string.h></span>
<a name="l00015"></a>00015 <span class="preprocessor">#else</span>
<a name="l00016"></a>00016 <span class="preprocessor"></span><span class="preprocessor">#include <strings.h></span>
<a name="l00017"></a>00017 <span class="preprocessor">#endif</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_WINSOCK_H</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#include <winsock.h></span>
<a name="l00020"></a>00020 <span class="preprocessor">#endif</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <net-snmp/types.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <net-snmp/library/int64.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <net-snmp/library/snmp_assert.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <net-snmp/library/snmp_debug.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <net-snmp/library/snmp_logging.h></span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="preprocessor">#define TRUE 1</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#define FALSE 0</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span>
<a name="l00039"></a>00039 <span class="keywordtype">void</span>
<a name="l00040"></a>00040 divBy10(<a class="code" href="structcounter64.html">U64</a> u64, <a class="code" href="structcounter64.html">U64</a> * pu64Q, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *puR)
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ulT;
<a name="l00043"></a>00043 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ulQ;
<a name="l00044"></a>00044 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ulR;
<a name="l00045"></a>00045
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="comment">/*</span>
<a name="l00048"></a>00048 <span class="comment"> * top 16 bits </span>
<a name="l00049"></a>00049 <span class="comment"> */</span>
<a name="l00050"></a>00050 ulT = (u64.high >> 16) & 0x0ffff;
<a name="l00051"></a>00051 ulQ = ulT / 10;
<a name="l00052"></a>00052 ulR = ulT % 10;
<a name="l00053"></a>00053 pu64Q->high = ulQ << 16;
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="comment">/*</span>
<a name="l00056"></a>00056 <span class="comment"> * next 16 </span>
<a name="l00057"></a>00057 <span class="comment"> */</span>
<a name="l00058"></a>00058 ulT = (u64.high & 0x0ffff);
<a name="l00059"></a>00059 ulT += (ulR << 16);
<a name="l00060"></a>00060 ulQ = ulT / 10;
<a name="l00061"></a>00061 ulR = ulT % 10;
<a name="l00062"></a>00062 pu64Q->high = pu64Q->high | ulQ;
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="comment">/*</span>
<a name="l00065"></a>00065 <span class="comment"> * next 16 </span>
<a name="l00066"></a>00066 <span class="comment"> */</span>
<a name="l00067"></a>00067 ulT = ((u64.low >> 16) & 0x0ffff) + (ulR << 16);
<a name="l00068"></a>00068 ulQ = ulT / 10;
<a name="l00069"></a>00069 ulR = ulT % 10;
<a name="l00070"></a>00070 pu64Q->low = ulQ << 16;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="comment">/*</span>
<a name="l00073"></a>00073 <span class="comment"> * final 16 </span>
<a name="l00074"></a>00074 <span class="comment"> */</span>
<a name="l00075"></a>00075 ulT = (u64.low & 0x0ffff);
<a name="l00076"></a>00076 ulT += (ulR << 16);
<a name="l00077"></a>00077 ulQ = ulT / 10;
<a name="l00078"></a>00078 ulR = ulT % 10;
<a name="l00079"></a>00079 pu64Q->low = pu64Q->low | ulQ;
<a name="l00080"></a>00080
<a name="l00081"></a>00081 *puR = (<span class="keywordtype">unsigned</span> int) (ulR);
<a name="l00082"></a>00082
<a name="l00083"></a>00083
<a name="l00084"></a>00084 } <span class="comment">/* divBy10 */</span>
<a name="l00085"></a>00085
<a name="l00086"></a>00086
<a name="l00094"></a>00094 <span class="keywordtype">void</span>
<a name="l00095"></a>00095 multBy10(<a class="code" href="structcounter64.html">U64</a> u64, <a class="code" href="structcounter64.html">U64</a> * pu64P)
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ulT;
<a name="l00098"></a>00098 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ulP;
<a name="l00099"></a>00099 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ulK;
<a name="l00100"></a>00100
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="comment">/*</span>
<a name="l00103"></a>00103 <span class="comment"> * lower 16 bits </span>
<a name="l00104"></a>00104 <span class="comment"> */</span>
<a name="l00105"></a>00105 ulT = u64.low & 0x0ffff;
<a name="l00106"></a>00106 ulP = ulT * 10;
<a name="l00107"></a>00107 ulK = ulP >> 16;
<a name="l00108"></a>00108 pu64P->low = ulP & 0x0ffff;
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="comment">/*</span>
<a name="l00111"></a>00111 <span class="comment"> * next 16 </span>
<a name="l00112"></a>00112 <span class="comment"> */</span>
<a name="l00113"></a>00113 ulT = (u64.low >> 16) & 0x0ffff;
<a name="l00114"></a>00114 ulP = (ulT * 10) + ulK;
<a name="l00115"></a>00115 ulK = ulP >> 16;
<a name="l00116"></a>00116 pu64P->low = (ulP & 0x0ffff) << 16 | pu64P->low;
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="comment">/*</span>
<a name="l00119"></a>00119 <span class="comment"> * next 16 bits </span>
<a name="l00120"></a>00120 <span class="comment"> */</span>
<a name="l00121"></a>00121 ulT = u64.high & 0x0ffff;
<a name="l00122"></a>00122 ulP = (ulT * 10) + ulK;
<a name="l00123"></a>00123 ulK = ulP >> 16;
<a name="l00124"></a>00124 pu64P->high = ulP & 0x0ffff;
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="comment">/*</span>
<a name="l00127"></a>00127 <span class="comment"> * final 16 </span>
<a name="l00128"></a>00128 <span class="comment"> */</span>
<a name="l00129"></a>00129 ulT = (u64.high >> 16) & 0x0ffff;
<a name="l00130"></a>00130 ulP = (ulT * 10) + ulK;
<a name="l00131"></a>00131 ulK = ulP >> 16;
<a name="l00132"></a>00132 pu64P->high = (ulP & 0x0ffff) << 16 | pu64P->high;
<a name="l00133"></a>00133
<a name="l00134"></a>00134
<a name="l00135"></a>00135 } <span class="comment">/* multBy10 */</span>
<a name="l00136"></a>00136
<a name="l00137"></a>00137
<a name="l00145"></a>00145 <span class="keywordtype">void</span>
<a name="l00146"></a>00146 incrByU16(<a class="code" href="structcounter64.html">U64</a> * pu64, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> u16)
<a name="l00147"></a>00147 {
<a name="l00148"></a>00148 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ulT1;
<a name="l00149"></a>00149 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ulT2;
<a name="l00150"></a>00150 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ulR;
<a name="l00151"></a>00151 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ulK;
<a name="l00152"></a>00152
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="comment">/*</span>
<a name="l00155"></a>00155 <span class="comment"> * lower 16 bits </span>
<a name="l00156"></a>00156 <span class="comment"> */</span>
<a name="l00157"></a>00157 ulT1 = pu64->low;
<a name="l00158"></a>00158 ulT2 = ulT1 & 0x0ffff;
<a name="l00159"></a>00159 ulR = ulT2 + u16;
<a name="l00160"></a>00160 ulK = ulR >> 16;
<a name="l00161"></a>00161 <span class="keywordflow">if</span> (ulK == 0) {
<a name="l00162"></a>00162 pu64->low = ulT1 + u16;
<a name="l00163"></a>00163 <span class="keywordflow">return</span>;
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <span class="comment">/*</span>
<a name="l00167"></a>00167 <span class="comment"> * next 16 bits </span>
<a name="l00168"></a>00168 <span class="comment"> */</span>
<a name="l00169"></a>00169 ulT2 = (ulT1 >> 16) & 0x0ffff;
<a name="l00170"></a>00170 ulR = ulT2 + 1;
<a name="l00171"></a>00171 ulK = ulR >> 16;
<a name="l00172"></a>00172 <span class="keywordflow">if</span> (ulK == 0) {
<a name="l00173"></a>00173 pu64->low = ulT1 + u16;
<a name="l00174"></a>00174 <span class="keywordflow">return</span>;
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="comment">/*</span>
<a name="l00178"></a>00178 <span class="comment"> * next 32 - ignore any overflow </span>
<a name="l00179"></a>00179 <span class="comment"> */</span>
<a name="l00180"></a>00180 pu64->low = (ulT1 + u16) & 0x0FFFFFFFFL;
<a name="l00181"></a>00181 pu64->high++;
<a name="l00182"></a>00182 <span class="preprocessor">#if SIZEOF_LONG != 4</span>
<a name="l00183"></a>00183 <span class="preprocessor"></span> pu64->high &= 0xffffffff;
<a name="l00184"></a>00184 <span class="preprocessor">#endif</span>
<a name="l00185"></a>00185 <span class="preprocessor"></span>} <span class="comment">/* incrByV16 */</span>
<a name="l00186"></a>00186
<a name="l00187"></a>00187 <span class="keywordtype">void</span>
<a name="l00188"></a>00188 incrByU32(<a class="code" href="structcounter64.html">U64</a> * pu64, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> u32)
<a name="l00189"></a>00189 {
<a name="l00190"></a>00190 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> tmp;
<a name="l00191"></a>00191 tmp = pu64->low;
<a name="l00192"></a>00192 pu64->low += u32;
<a name="l00193"></a>00193 <span class="preprocessor">#if SIZEOF_LONG != 4</span>
<a name="l00194"></a>00194 <span class="preprocessor"></span> pu64->low &= 0xffffffff;
<a name="l00195"></a>00195 <span class="preprocessor">#endif</span>
<a name="l00196"></a>00196 <span class="preprocessor"></span> <span class="keywordflow">if</span> (pu64->low < tmp) {
<a name="l00197"></a>00197 pu64->high++;
<a name="l00198"></a>00198 <span class="preprocessor">#if SIZEOF_LONG != 4</span>
<a name="l00199"></a>00199 <span class="preprocessor"></span> pu64->high &= 0xffffffff;
<a name="l00200"></a>00200 <span class="preprocessor">#endif</span>
<a name="l00201"></a>00201 <span class="preprocessor"></span> }
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203
<a name="l00207"></a>00207 <span class="keywordtype">void</span>
<a name="l00208"></a>00208 u64Subtract(<span class="keyword">const</span> <a class="code" href="structcounter64.html">U64</a> * pu64one, <span class="keyword">const</span> <a class="code" href="structcounter64.html">U64</a> * pu64two, <a class="code" href="structcounter64.html">U64</a> * pu64out)
<a name="l00209"></a>00209 {
<a name="l00210"></a>00210 <span class="keywordflow">if</span> (pu64one->low < pu64two->low) {
<a name="l00211"></a>00211 pu64out->low = 0xffffffff - pu64two->low + pu64one->low + 1;
<a name="l00212"></a>00212 pu64out->high = pu64one->high - pu64two->high - 1;
<a name="l00213"></a>00213 } <span class="keywordflow">else</span> {
<a name="l00214"></a>00214 pu64out->low = pu64one->low - pu64two->low;
<a name="l00215"></a>00215 pu64out->high = pu64one->high - pu64two->high;
<a name="l00216"></a>00216 }
<a name="l00217"></a>00217 }
<a name="l00218"></a>00218
<a name="l00222"></a>00222 <span class="keywordtype">void</span>
<a name="l00223"></a>00223 u64Incr(<a class="code" href="structcounter64.html">U64</a> * pu64out, <span class="keyword">const</span> <a class="code" href="structcounter64.html">U64</a> * pu64one)
<a name="l00224"></a>00224 {
<a name="l00225"></a>00225 pu64out->high += pu64one->high;
<a name="l00226"></a>00226 <span class="preprocessor">#if SIZEOF_LONG != 4</span>
<a name="l00227"></a>00227 <span class="preprocessor"></span> pu64out->high &= 0xffffffff;
<a name="l00228"></a>00228 <span class="preprocessor">#endif</span>
<a name="l00229"></a>00229 <span class="preprocessor"></span> incrByU32(pu64out, pu64one->low);
<a name="l00230"></a>00230 }
<a name="l00231"></a>00231
<a name="l00235"></a>00235 <span class="keywordtype">void</span>
<a name="l00236"></a>00236 u64UpdateCounter(<a class="code" href="structcounter64.html">U64</a> * pu64out, <span class="keyword">const</span> <a class="code" href="structcounter64.html">U64</a> * pu64one, <span class="keyword">const</span> <a class="code" href="structcounter64.html">U64</a> * pu64two)
<a name="l00237"></a>00237 {
<a name="l00238"></a>00238 <a class="code" href="structcounter64.html">U64</a> tmp;
<a name="l00239"></a>00239 u64Subtract(pu64one, pu64two, &tmp);
<a name="l00240"></a>00240 u64Incr(pu64out, &tmp);
<a name="l00241"></a>00241 }
<a name="l00242"></a>00242
<a name="l00246"></a>00246 <span class="keywordtype">void</span>
<a name="l00247"></a>00247 u64Copy(<a class="code" href="structcounter64.html">U64</a> * pu64one, <span class="keyword">const</span> <a class="code" href="structcounter64.html">U64</a> * pu64two)
<a name="l00248"></a>00248 {
<a name="l00249"></a>00249 pu64one->high = pu64two->high;
<a name="l00250"></a>00250 pu64one->low = pu64two->low;
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252
<a name="l00259"></a>00259 <span class="keywordtype">void</span>
<a name="l00260"></a>00260 zeroU64(<a class="code" href="structcounter64.html">U64</a> * pu64)
<a name="l00261"></a>00261 {
<a name="l00262"></a>00262 pu64->low = 0;
<a name="l00263"></a>00263 pu64->high = 0;
<a name="l00264"></a>00264 } <span class="comment">/* zeroU64 */</span>
<a name="l00265"></a>00265
<a name="l00266"></a>00266
<a name="l00273"></a>00273 <span class="keywordtype">int</span>
<a name="l00274"></a>00274 isZeroU64(<span class="keyword">const</span> <a class="code" href="structcounter64.html">U64</a> * pu64)
<a name="l00275"></a>00275 {
<a name="l00276"></a>00276
<a name="l00277"></a>00277 <span class="keywordflow">if</span> ((pu64->low == 0) && (pu64->high == 0))
<a name="l00278"></a>00278 <span class="keywordflow">return</span> (TRUE);
<a name="l00279"></a>00279 <span class="keywordflow">else</span>
<a name="l00280"></a>00280 <span class="keywordflow">return</span> (FALSE);
<a name="l00281"></a>00281
<a name="l00282"></a>00282 } <span class="comment">/* isZeroU64 */</span>
<a name="l00283"></a>00283
<a name="l00307"></a>00307 <span class="keywordtype">int</span>
<a name="l00308"></a>00308 netsnmp_c64_check_for_32bit_wrap(<span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a> *old_val,
<a name="l00309"></a>00309 <span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a> *new_val,
<a name="l00310"></a>00310 <span class="keywordtype">int</span> adjust)
<a name="l00311"></a>00311 {
<a name="l00312"></a>00312 <span class="keywordflow">if</span>( (NULL == old_val) || (NULL == new_val) )
<a name="l00313"></a>00313 <span class="keywordflow">return</span> -1;
<a name="l00314"></a>00314
<a name="l00315"></a>00315 DEBUGMSGTL((<span class="stringliteral">"9:c64:check_wrap"</span>, <span class="stringliteral">"check wrap 0x%0x.0x%0x 0x%0x.0x%0x\n"</span>,
<a name="l00316"></a>00316 old_val->high, old_val->low, new_val->high, new_val->low));
<a name="l00317"></a>00317
<a name="l00318"></a>00318 <span class="comment">/*</span>
<a name="l00319"></a>00319 <span class="comment"> * check for wraps</span>
<a name="l00320"></a>00320 <span class="comment"> */</span>
<a name="l00321"></a>00321 <span class="keywordflow">if</span> ((new_val->low >= old_val->low) &&
<a name="l00322"></a>00322 (new_val->high == old_val->high)) {
<a name="l00323"></a>00323 DEBUGMSGTL((<span class="stringliteral">"9:c64:check_wrap"</span>, <span class="stringliteral">"no wrap\n"</span>));
<a name="l00324"></a>00324 <span class="keywordflow">return</span> 0;
<a name="l00325"></a>00325 }
<a name="l00326"></a>00326
<a name="l00327"></a>00327 <span class="comment">/*</span>
<a name="l00328"></a>00328 <span class="comment"> * low wrapped. did high change?</span>
<a name="l00329"></a>00329 <span class="comment"> */</span>
<a name="l00330"></a>00330 <span class="keywordflow">if</span> (new_val->high == old_val->high) {
<a name="l00331"></a>00331 DEBUGMSGTL((<span class="stringliteral">"c64:check_wrap"</span>, <span class="stringliteral">"32 bit wrap\n"</span>));
<a name="l00332"></a>00332 <span class="keywordflow">if</span> (adjust) {
<a name="l00333"></a>00333 ++new_val->high;
<a name="l00334"></a>00334 <span class="preprocessor">#if SIZEOF_LONG != 4</span>
<a name="l00335"></a>00335 <span class="preprocessor"></span> new_val->high &= 0xffffffff;
<a name="l00336"></a>00336 <span class="preprocessor">#endif</span>
<a name="l00337"></a>00337 <span class="preprocessor"></span> }
<a name="l00338"></a>00338 <span class="keywordflow">return</span> 32;
<a name="l00339"></a>00339 }
<a name="l00340"></a>00340 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((new_val->high == (old_val->high + 1)) ||
<a name="l00341"></a>00341 ((0 == new_val->high) && (0xffffffff == old_val->high))) {
<a name="l00342"></a>00342 DEBUGMSGTL((<span class="stringliteral">"c64:check_wrap"</span>, <span class="stringliteral">"64 bit wrap\n"</span>));
<a name="l00343"></a>00343 <span class="keywordflow">return</span> 64;
<a name="l00344"></a>00344 }
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="keywordflow">return</span> -2;
<a name="l00347"></a>00347 }
<a name="l00348"></a>00348
<a name="l00384"></a>00384 <span class="keywordtype">int</span>
<a name="l00385"></a>00385 netsnmp_c64_check32_and_update(<span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a> *prev_val, <span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a> *new_val,
<a name="l00386"></a>00386 <span class="keyword">struct</span> <a class="code" href="structcounter64.html">counter64</a> *old_prev_val, <span class="keywordtype">int</span> *need_wrap_check)
<a name="l00387"></a>00387 {
<a name="l00388"></a>00388 <span class="keywordtype">int</span> rc;
<a name="l00389"></a>00389
<a name="l00390"></a>00390 <span class="comment">/*</span>
<a name="l00391"></a>00391 <span class="comment"> * counters are 32bit or unknown (which we'll treat as 32bit).</span>
<a name="l00392"></a>00392 <span class="comment"> * update the prev values with the difference between the</span>
<a name="l00393"></a>00393 <span class="comment"> * new stats and the prev old_stats:</span>
<a name="l00394"></a>00394 <span class="comment"> * prev->stats += (new->stats - prev->old_stats)</span>
<a name="l00395"></a>00395 <span class="comment"> */</span>
<a name="l00396"></a>00396 <span class="keywordflow">if</span> ((NULL == need_wrap_check) || (0 != *need_wrap_check)) {
<a name="l00397"></a>00397 rc = netsnmp_c64_check_for_32bit_wrap(old_prev_val,new_val, 1);
<a name="l00398"></a>00398 <span class="keywordflow">if</span> (rc < 0) {
<a name="l00399"></a>00399 <a class="code" href="group__snmp__logging.html#ga9ba905368ea1c551b969af44b13e37c2" title="This snmp logging function allows variable argument list given the specified format and priority...">snmp_log</a>(LOG_ERR,<span class="stringliteral">"c64 32 bit check failed\n"</span>);
<a name="l00400"></a>00400 <span class="keywordflow">return</span> -1;
<a name="l00401"></a>00401 }
<a name="l00402"></a>00402 }
<a name="l00403"></a>00403 <span class="keywordflow">else</span>
<a name="l00404"></a>00404 rc = 0;
<a name="l00405"></a>00405
<a name="l00406"></a>00406 <span class="comment">/*</span>
<a name="l00407"></a>00407 <span class="comment"> * update previous values</span>
<a name="l00408"></a>00408 <span class="comment"> */</span>
<a name="l00409"></a>00409 (void) u64UpdateCounter(prev_val, new_val, old_prev_val);
<a name="l00410"></a>00410
<a name="l00411"></a>00411 <span class="comment">/*</span>
<a name="l00412"></a>00412 <span class="comment"> * if wrap check was 32 bit, undo adjust, now that prev is updated</span>
<a name="l00413"></a>00413 <span class="comment"> */</span>
<a name="l00414"></a>00414 <span class="keywordflow">if</span> (32 == rc) {
<a name="l00415"></a>00415 <span class="comment">/*</span>
<a name="l00416"></a>00416 <span class="comment"> * check wrap incremented high, so reset it. (Because having</span>
<a name="l00417"></a>00417 <span class="comment"> * high set for a 32 bit counter will confuse us in the next update).</span>
<a name="l00418"></a>00418 <span class="comment"> */</span>
<a name="l00419"></a>00419 netsnmp_assert(1 == new_val->high);
<a name="l00420"></a>00420 new_val->high = 0;
<a name="l00421"></a>00421 }
<a name="l00422"></a>00422 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (64 == rc) {
<a name="l00423"></a>00423 <span class="comment">/*</span>
<a name="l00424"></a>00424 <span class="comment"> * if we really have 64 bit counters, the summing we've been</span>
<a name="l00425"></a>00425 <span class="comment"> * doing for prev values should be equal to the new values.</span>
<a name="l00426"></a>00426 <span class="comment"> */</span>
<a name="l00427"></a>00427 <span class="keywordflow">if</span> ((prev_val->low != new_val->low) ||
<a name="l00428"></a>00428 (prev_val->high != new_val->high)) {
<a name="l00429"></a>00429 <a class="code" href="group__snmp__logging.html#ga9ba905368ea1c551b969af44b13e37c2" title="This snmp logging function allows variable argument list given the specified format and priority...">snmp_log</a>(LOG_ERR, <span class="stringliteral">"looks like a 64bit wrap, but prev!=new\n"</span>);
<a name="l00430"></a>00430 <span class="keywordflow">return</span> -2;
<a name="l00431"></a>00431 }
<a name="l00432"></a>00432 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (NULL != need_wrap_check)
<a name="l00433"></a>00433 *need_wrap_check = 0;
<a name="l00434"></a>00434 }
<a name="l00435"></a>00435
<a name="l00436"></a>00436 <span class="keywordflow">return</span> 0;
<a name="l00437"></a>00437 }
<a name="l00438"></a>00438
<a name="l00439"></a>00439 <span class="keywordtype">void</span>
<a name="l00440"></a>00440 printU64(<span class="keywordtype">char</span> *buf, <span class="comment">/* char [I64CHARSZ+1]; */</span>
<a name="l00441"></a>00441 <span class="keyword">const</span> <a class="code" href="structcounter64.html">U64</a> * pu64) {
<a name="l00442"></a>00442 <a class="code" href="structcounter64.html">U64</a> u64a;
<a name="l00443"></a>00443 <a class="code" href="structcounter64.html">U64</a> u64b;
<a name="l00444"></a>00444
<a name="l00445"></a>00445 <span class="keywordtype">char</span> aRes[I64CHARSZ + 1];
<a name="l00446"></a>00446 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> u;
<a name="l00447"></a>00447 <span class="keywordtype">int</span> j;
<a name="l00448"></a>00448
<a name="l00449"></a>00449 u64a.high = pu64->high;
<a name="l00450"></a>00450 u64a.low = pu64->low;
<a name="l00451"></a>00451 aRes[I64CHARSZ] = 0;
<a name="l00452"></a>00452 <span class="keywordflow">for</span> (j = 0; j < I64CHARSZ; j++) {
<a name="l00453"></a>00453 divBy10(u64a, &u64b, &u);
<a name="l00454"></a>00454 aRes[(I64CHARSZ - 1) - j] = (<span class="keywordtype">char</span>) (<span class="charliteral">'0'</span> + u);
<a name="l00455"></a>00455 u64a.high = u64b.high;
<a name="l00456"></a>00456 u64a.low = u64b.low;
<a name="l00457"></a>00457 <span class="keywordflow">if</span> (isZeroU64(&u64a))
<a name="l00458"></a>00458 <span class="keywordflow">break</span>;
<a name="l00459"></a>00459 }
<a name="l00460"></a>00460 strcpy(buf, &aRes[(I64CHARSZ - 1) - j]);
<a name="l00461"></a>00461 }
<a name="l00462"></a>00462
<a name="l00463"></a>00463 <span class="keywordtype">void</span>
<a name="l00464"></a>00464 printI64(<span class="keywordtype">char</span> *buf, <span class="comment">/* char [I64CHARSZ+1]; */</span>
<a name="l00465"></a>00465 <span class="keyword">const</span> <a class="code" href="structcounter64.html">U64</a> * pu64) {
<a name="l00466"></a>00466 <a class="code" href="structcounter64.html">U64</a> u64a;
<a name="l00467"></a>00467 <a class="code" href="structcounter64.html">U64</a> u64b;
<a name="l00468"></a>00468
<a name="l00469"></a>00469 <span class="keywordtype">char</span> aRes[I64CHARSZ + 1];
<a name="l00470"></a>00470 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> u;
<a name="l00471"></a>00471 <span class="keywordtype">int</span> j, sign = 0;
<a name="l00472"></a>00472
<a name="l00473"></a>00473 <span class="keywordflow">if</span> (pu64->high & 0x80000000) {
<a name="l00474"></a>00474 u64a.high = ~pu64->high;
<a name="l00475"></a>00475 u64a.low = ~pu64->low;
<a name="l00476"></a>00476 sign = 1;
<a name="l00477"></a>00477 incrByU32(&u64a, 1); <span class="comment">/* bit invert and incr by 1 to print 2s complement */</span>
<a name="l00478"></a>00478 } <span class="keywordflow">else</span> {
<a name="l00479"></a>00479 u64a.high = pu64->high;
<a name="l00480"></a>00480 u64a.low = pu64->low;
<a name="l00481"></a>00481 }
<a name="l00482"></a>00482
<a name="l00483"></a>00483 aRes[I64CHARSZ] = 0;
<a name="l00484"></a>00484 <span class="keywordflow">for</span> (j = 0; j < I64CHARSZ; j++) {
<a name="l00485"></a>00485 divBy10(u64a, &u64b, &u);
<a name="l00486"></a>00486 aRes[(I64CHARSZ - 1) - j] = (<span class="keywordtype">char</span>) (<span class="charliteral">'0'</span> + u);
<a name="l00487"></a>00487 u64a.high = u64b.high;
<a name="l00488"></a>00488 u64a.low = u64b.low;
<a name="l00489"></a>00489 <span class="keywordflow">if</span> (isZeroU64(&u64a))
<a name="l00490"></a>00490 <span class="keywordflow">break</span>;
<a name="l00491"></a>00491 }
<a name="l00492"></a>00492 <span class="keywordflow">if</span> (sign == 1) {
<a name="l00493"></a>00493 aRes[(I64CHARSZ - 1) - j - 1] = <span class="charliteral">'-'</span>;
<a name="l00494"></a>00494 strcpy(buf, &aRes[(I64CHARSZ - 1) - j - 1]);
<a name="l00495"></a>00495 <span class="keywordflow">return</span>;
<a name="l00496"></a>00496 }
<a name="l00497"></a>00497 strcpy(buf, &aRes[(I64CHARSZ - 1) - j]);
<a name="l00498"></a>00498 }
<a name="l00499"></a>00499
<a name="l00500"></a>00500 <span class="keywordtype">int</span>
<a name="l00501"></a>00501 read64(<a class="code" href="structcounter64.html">U64</a> * i64, <span class="keyword">const</span> <span class="keywordtype">char</span> *str)
<a name="l00502"></a>00502 {
<a name="l00503"></a>00503 <a class="code" href="structcounter64.html">U64</a> i64p;
<a name="l00504"></a>00504 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> u;
<a name="l00505"></a>00505 <span class="keywordtype">int</span> sign = 0;
<a name="l00506"></a>00506 <span class="keywordtype">int</span> ok = 0;
<a name="l00507"></a>00507
<a name="l00508"></a>00508 zeroU64(i64);
<a name="l00509"></a>00509 <span class="keywordflow">if</span> (*str == <span class="charliteral">'-'</span>) {
<a name="l00510"></a>00510 sign = 1;
<a name="l00511"></a>00511 str++;
<a name="l00512"></a>00512 }
<a name="l00513"></a>00513
<a name="l00514"></a>00514 <span class="keywordflow">while</span> (*str && isdigit(*str)) {
<a name="l00515"></a>00515 ok = 1;
<a name="l00516"></a>00516 u = *str - <span class="charliteral">'0'</span>;
<a name="l00517"></a>00517 multBy10(*i64, &i64p);
<a name="l00518"></a>00518 memcpy(i64, &i64p, <span class="keyword">sizeof</span>(i64p));
<a name="l00519"></a>00519 incrByU16(i64, u);
<a name="l00520"></a>00520 str++;
<a name="l00521"></a>00521 }
<a name="l00522"></a>00522 <span class="keywordflow">if</span> (sign) {
<a name="l00523"></a>00523 i64->high = ~i64->high;
<a name="l00524"></a>00524 i64->low = ~i64->low;
<a name="l00525"></a>00525 incrByU16(i64, 1);
<a name="l00526"></a>00526 }
<a name="l00527"></a>00527 <span class="keywordflow">return</span> ok;
<a name="l00528"></a>00528 }
<a name="l00529"></a>00529
<a name="l00530"></a>00530
<a name="l00531"></a>00531
<a name="l00532"></a>00532
<a name="l00533"></a>00533 <span class="preprocessor">#ifdef TESTING</span>
<a name="l00534"></a>00534 <span class="preprocessor"></span><span class="keywordtype">void</span>
<a name="l00535"></a>00535 main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[])
<a name="l00536"></a>00536 {
<a name="l00537"></a>00537 <span class="keywordtype">int</span> i;
<a name="l00538"></a>00538 <span class="keywordtype">int</span> j;
<a name="l00539"></a>00539 <span class="keywordtype">int</span> l;
<a name="l00540"></a>00540 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> u;
<a name="l00541"></a>00541 <a class="code" href="structcounter64.html">U64</a> u64a;
<a name="l00542"></a>00542 <a class="code" href="structcounter64.html">U64</a> u64b;
<a name="l00543"></a>00543 <span class="preprocessor">#define MXSZ 20</span>
<a name="l00544"></a>00544 <span class="preprocessor"></span> <span class="keywordtype">char</span> aRes[MXSZ + 1];
<a name="l00545"></a>00545
<a name="l00546"></a>00546
<a name="l00547"></a>00547 <span class="keywordflow">if</span> (argc < 2) {
<a name="l00548"></a>00548 printf(<span class="stringliteral">"This program takes numbers from the command line\n"</span>
<a name="l00549"></a>00549 <span class="stringliteral">"and prints them out.\n"</span> <span class="stringliteral">"Usage: test <unsignedInt>...\n"</span>);
<a name="l00550"></a>00550 exit(1);
<a name="l00551"></a>00551 }
<a name="l00552"></a>00552
<a name="l00553"></a>00553 aRes[MXSZ] = 0;
<a name="l00554"></a>00554
<a name="l00555"></a>00555 <span class="keywordflow">for</span> (i = 1; i < argc; i++) {
<a name="l00556"></a>00556 l = strlen(argv[i]);
<a name="l00557"></a>00557 zeroU64(&u64a);
<a name="l00558"></a>00558 <span class="keywordflow">for</span> (j = 0; j < l; j++) {
<a name="l00559"></a>00559 <span class="keywordflow">if</span> (!isdigit(argv[i][j])) {
<a name="l00560"></a>00560 printf(<span class="stringliteral">"Argument is not a number \"%s\"\n"</span>, argv[i]);
<a name="l00561"></a>00561 exit(1);
<a name="l00562"></a>00562 }
<a name="l00563"></a>00563 u = argv[i][j] - <span class="charliteral">'0'</span>;
<a name="l00564"></a>00564 multBy10(u64a, &u64b);
<a name="l00565"></a>00565 u64a = u64b;
<a name="l00566"></a>00566 incrByU16(&u64a, u);
<a name="l00567"></a>00567 }
<a name="l00568"></a>00568
<a name="l00569"></a>00569 printf(<span class="stringliteral">"number \"%s\" in hex is '%08x%08x'h\n"</span>,
<a name="l00570"></a>00570 argv[i], u64a.high, u64a.low);
<a name="l00571"></a>00571
<a name="l00572"></a>00572 printf(<span class="stringliteral">"number is \"%s\"\n"</span>, printU64(&u64a));
<a name="l00573"></a>00573 <span class="keywordflow">for</span> (j = 0; j < MXSZ; j++) {
<a name="l00574"></a>00574 divBy10(u64a, &u64b, &u);
<a name="l00575"></a>00575 aRes[(MXSZ - 1) - j] = (<span class="keywordtype">char</span>) (<span class="charliteral">'0'</span> + u);
<a name="l00576"></a>00576 u64a = u64b;
<a name="l00577"></a>00577 <span class="keywordflow">if</span> (isZeroU64(&u64a))
<a name="l00578"></a>00578 <span class="keywordflow">break</span>;
<a name="l00579"></a>00579 }
<a name="l00580"></a>00580
<a name="l00581"></a>00581 printf(<span class="stringliteral">"number is \"%s\"\n"</span>, &aRes[(MXSZ - 1) - j]);
<a name="l00582"></a>00582 }
<a name="l00583"></a>00583 exit(0);
<a name="l00584"></a>00584 } <span class="comment">/* main */</span>
<a name="l00585"></a>00585 <span class="preprocessor">#endif </span><span class="comment">/* TESTING */</span>
<a name="l00586"></a>00586
<a name="l00587"></a>00587 <span class="comment">/*</span>
<a name="l00588"></a>00588 <span class="comment"> * file: test.c </span>
<a name="l00589"></a>00589 <span class="comment"> */</span>
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