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Overview
Comment: | Initialize the random number generator from /dev/urandom, if available. (CVS 2258) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
aab8e7f8d81ffa786d5fae5a13963c6e |
User & Date: | drh 2005-01-21 17:53:17.000 |
Context
2005-01-21
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18:19 | Documentation updates prior to 3.1.0. (CVS 2259) (check-in: fc4f1f13d0 user: drh tags: trunk) | |
17:53 | Initialize the random number generator from /dev/urandom, if available. (CVS 2258) (check-in: aab8e7f8d8 user: drh tags: trunk) | |
17:07 | Change to mkopcodeh.awk to accomodate windows systems. (CVS 2257) (check-in: 39786aa894 user: drh tags: trunk) | |
Changes
Changes to src/os_unix.c.
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1179 1180 1181 1182 1183 1184 1185 | ** When testing, initializing zBuf[] to zero is all we do. That means ** that we always use the same random number sequence.* This makes the ** tests repeatable. */ memset(zBuf, 0, 256); #if !defined(SQLITE_TEST) { | | > > | | | > > > > | 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 | ** When testing, initializing zBuf[] to zero is all we do. That means ** that we always use the same random number sequence.* This makes the ** tests repeatable. */ memset(zBuf, 0, 256); #if !defined(SQLITE_TEST) { int pid, fd; fd = open("/dev/urandom", O_RDONLY); if( fd<0 ){ time((time_t*)zBuf); pid = getpid(); memcpy(&zBuf[sizeof(time_t)], &pid, sizeof(pid)); }else{ read(fd, zBuf, 256); close(fd); } } #endif return SQLITE_OK; } /* ** Sleep for a little while. Return the amount of time slept. |
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