<!DOCTYPE html> <html> <head> </head> <body> <dl style="line-height: 1.5; margin-left: 2em"> <dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt> <dd style="margin-left: 8.5em">susumu.yata <susum****@gmail*****></dd> <dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt> <dd style="margin-left: 8.5em">2015-10-28 16:08:38 +0900 (Wed, 28 Oct 2015)</dd> <dt style="clear: both; float: left; font-weight: bold; width: 8em">New Revision</dt> <dd style="margin-left: 8.5em"><a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c">b789fef6b1b971cdd84e442dadab9aea835f221c</a></dd> <dt style="clear: both; float: left; font-weight: bold; width: 8em">Message</dt> <dd style="margin-left: 8.5em"><pre style="border: 1px solid #aaa; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; padding: 0.5em; width: auto">grn_pat: add comments and separate complex lines</pre></dd> <dt style="clear: both; float: left; font-weight: bold; width: 8em">Modified files</dt> <dd style="margin-left: 8.5em"> <ul> <li><a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265f">lib/pat.c</a></li> </ul> </dd> </dl> <div class="diff-section" style="clear: both"> <table style="border-collapse: collapse; border: 1px solid #aaa"> <thead> <tr class="diff-header" style="border: 1px solid #aaa"> <td colspan="3"> <pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"> Modified: lib/pat.c (+69 -24) =================================================================== </pre> </td> </tr> </thead> <tbody> <tr> <th class="diff-line-number" style="border: 1px solid #aaa"> <pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL237">...</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL238">238</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL239">239</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL240">240</a>   <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL241">241</a>         <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL242">242</a>         <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL243">243</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL244">244</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL245">245</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL264">...</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL265">265</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL266">266</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL267">267</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL268">268</a>       <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL269">269</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL270">270</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL271">271</a>               <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL272">272</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL273">273</a>       <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL274">274</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL275">275</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL276">276</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL277">277</a>   <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL278">278</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL279">279</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL280">280</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL281">281</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL282">282</a>       <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL283">283</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL284">284</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL285">285</a>           <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL286">286</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL287">287</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL288">288</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL289">289</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL290">290</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL291">291</a>       <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL292">292</a> <a 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href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL1183">1183</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL1223">...</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL1224">1224</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL1225">1225</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL1226">1226</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL1227">1227</a>   <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL1228">1228</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL1229">1229</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fL1230">1230</a> </pre> </th> <th class="diff-line-number" style="border: 1px solid #aaa"> <pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR237">...</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR238">238</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR239">239</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR240">240</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR241">241</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR242">242</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR243">243</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR244">244</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR245">245</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR246">246</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR247">247</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR248">248</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR249">249</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR250">250</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR251">251</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR252">252</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR253">253</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR254">254</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR273">...</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR274">274</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR275">275</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR276">276</a>   <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR277">277</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR278">278</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR279">279</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR280">280</a>     <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR281">281</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR282">282</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR283">283</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR284">284</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR285">285</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR286">286</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR287">287</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR288">288</a>   <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR289">289</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR290">290</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR291">291</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR292">292</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR293">293</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR294">294</a>   <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR295">295</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR296">296</a> <a 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<a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR304">304</a>   <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR305">305</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR306">306</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR307">307</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR308">308</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR309">309</a> <a 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href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1219">1219</a>     <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1220">1220</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1221">1221</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1222">1222</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1223">1223</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1224">1224</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1225">1225</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1226">1226</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1227">1227</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1228">1228</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1268">...</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1269">1269</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1270">1270</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1271">1271</a>   <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1272">1272</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1273">1273</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1274">1274</a> <a href="https://github.com/groonga/groonga/commit/b789fef6b1b971cdd84e442dadab9aea835f221c#diff-e8f58132837f95fac7913a81cae2265fR1275">1275</a> </pre> </th> <td class="diff-content" style="border: 1px solid #aaa"> <pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto">@@ -238,8 +238,17 @@ pat_node_set_key(grn_ctx *ctx, grn_pat *pat, pat_node *n, const uint8_t *key, un /* delinfo operation */ enum { + /* The delinfo is currently not used. */ DL_EMPTY = 0, + /* + * stat->d refers to a deleting node (in a tree). + * The deletion requires an additional operation. + */ DL_PHASE1, + /* + * stat->d refers to a deleted node (not in a tree). + * The node is pending for safety. + */ DL_PHASE2 }; @@ -265,32 +274,51 @@ delinfo_turn_2(grn_ctx *ctx, grn_pat *pat, grn_pat_delinfo *di) grn_id d, *p = NULL; pat_node *ln, *dn; // grn_log("delinfo_turn_2> di->d=%d di->ld=%d stat=%d", di->d, di->ld, di->stat); - if (di->stat != DL_PHASE1) { return GRN_SUCCESS; } + if (di->stat != DL_PHASE1) { + return GRN_SUCCESS; + } PAT_AT(pat, di->ld, ln); - if (!ln) { return GRN_INVALID_ARGUMENT; } - if (!(d = di->d)) { return GRN_INVALID_ARGUMENT; } + if (!ln) { + return GRN_INVALID_ARGUMENT; + } + d = di->d; + if (!d) { + return GRN_INVALID_ARGUMENT; + } PAT_AT(pat, d, dn); - if (!dn) { return GRN_INVALID_ARGUMENT; } + if (!dn) { + return GRN_INVALID_ARGUMENT; + } PAT_DEL_OFF(ln); PAT_DEL_OFF(dn); { - grn_id r, *p0; + grn_id *p0; pat_node *rn; int c0 = -1, c; uint32_t len = PAT_LEN(dn) * 16; const uint8_t *key = pat_node_get_key(ctx, pat, dn); - if (!key) { return GRN_INVALID_ARGUMENT; } + if (!key) { + return GRN_INVALID_ARGUMENT; + } PAT_AT(pat, 0, rn); p0 = &rn->lr[1]; - while ((r = *p0)) { + for (;;) { + grn_id r = *p0; + if (!r) { + break; + } if (r == d) { p = p0; break; } PAT_AT(pat, r, rn); - if (!rn) { return GRN_FILE_CORRUPT; } + if (!rn) { + return GRN_FILE_CORRUPT; + } c = PAT_CHK(rn); - if (c <= c0 || len <= c) { break; } + if (c <= c0 || len <= c) { + break; + } if (c & 1) { p0 = (c + 1 < len) ? &rn->lr[1] : &rn->lr[0]; } else { @@ -1110,9 +1138,9 @@ _grn_pat_del(grn_ctx *ctx, grn_pat *pat, const char *key, uint32_t key_size, int /* * Search a patricia tree for a given key. - * If the key exists, get its associated node. + * If the key exists, get its output node. * - * rn, rn0: the associated node and its previous node. + * rn, rn0: the output node and its previous node. * rno: the other side of rn (the other destination of rn0). * c, c0: checks of rn0 and its previous node. * p, p0: pointers to transitions (IDs) that refer to rn and rn0. @@ -1120,21 +1148,34 @@ _grn_pat_del(grn_ctx *ctx, grn_pat *pat, const char *key, uint32_t key_size, int PAT_AT(pat, 0, rn); proot = p = &rn->lr[1]; for (;;) { - if (!(r = *p)) { return GRN_INVALID_ARGUMENT; } + r = *p; + if (!r) { + return GRN_INVALID_ARGUMENT; + } PAT_AT(pat, r, rn); - if (!rn) { return GRN_FILE_CORRUPT; } + if (!rn) { + return GRN_FILE_CORRUPT; + } ch = PAT_CHK(rn); - if (len <= ch) { return GRN_INVALID_ARGUMENT; } + if (len <= ch) { + return GRN_INVALID_ARGUMENT; + } if (c >= ch) { + /* Output node found. */ const uint8_t *k = pat_node_get_key(ctx, pat, rn); - if (!k) { return GRN_INVALID_ARGUMENT; } - if (key_size == PAT_LEN(rn) && !memcmp(k, key, key_size)) { - break; /* found */ - } else { return GRN_INVALID_ARGUMENT; } + if (!k) { + return GRN_INVALID_ARGUMENT; + } + if (key_size != PAT_LEN(rn) || memcmp(k, key, key_size)) { + return GRN_INVALID_ARGUMENT; + } + /* Given key found. */ + break; } c0 = c; p0 = p; - if ((c = ch) & 1) { + c = ch; + if (c & 1) { p = (c + 1 < len) ? &rn->lr[1] : &rn->lr[0]; } else { p = &rn->lr[nth_bit((uint8_t *)key, c, len)]; @@ -1148,7 +1189,7 @@ _grn_pat_del(grn_ctx *ctx, grn_pat *pat, const char *key, uint32_t key_size, int otherside = (rn0->lr[1] == r) ? rn0->lr[0] : rn0->lr[1]; if (rn == rn0) { - /* The last transition is a self-loop. */ + /* The last transition (p) is a self-loop. */ di->stat = DL_PHASE2; di->d = r; if (otherside) { @@ -1174,10 +1215,14 @@ _grn_pat_del(grn_ctx *ctx, grn_pat *pat, const char *key, uint32_t key_size, int } *p0 = otherside; } else { - /* The last transition is not a self-loop. */ + /* The last transition (p) is not a self-loop. */ grn_pat_delinfo *ldi = NULL, *ddi = NULL; - if (PAT_DEL(rn)) { ldi = delinfo_search(pat, r); } - if (PAT_DEL(rn0)) { ddi = delinfo_search(pat, *p0); } + if (PAT_DEL(rn)) { + ldi = delinfo_search(pat, r); + } + if (PAT_DEL(rn0)) { + ddi = delinfo_search(pat, *p0); + } if (ldi) { PAT_DEL_OFF(rn); di->stat = DL_PHASE2; @@ -1224,7 +1269,7 @@ _grn_pat_del(grn_ctx *ctx, grn_pat *pat, const char *key, uint32_t key_size, int } } if (*p0 == otherside) { - /* The previous node is the other side (self-loop). */ + /* The previous node (*p0) has a self-loop. */ PAT_CHK_SET(rn0, 0); if (proot == p0 && !rn0->check) { const uint8_t *k = pat_node_get_key(ctx, pat, rn0); </pre> </td> </tr> </tbody> </table> </div> </body> </html>