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Add assertion check for NaN support at startup. (CVS 5447) 

FossilOrigin-Name: 8474cde34b3fcb99cd5908fddb8528d0db331cdf
This commit is contained in:
shane 2008-07-22 05:13:30 +00:00
parent fbededef48
commit dfb7b37dc0
3 changed files with 22 additions and 8 deletions
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12
manifest
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@ -1,5 +1,5 @@
C "configure"\ssupport\supdated.\s\sRemoved\sunused\sfeatures.\s\sAdded\sparsing\sof\sCFLAGS\sand\sCPPFLAGS\sto\sextract\sOMIT\soptions\sto\spass\sto\slemon\sand\smkkeywordhash.\s(CVS\s5446) C Add\sassertion\scheck\sfor\sNaN\ssupport\sat\sstartup.\s(CVS\s5447)
D 2008-07-22T05:05:02 D 2008-07-22T05:13:30
F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
F Makefile.in 77ff156061bb870aa0a8b3d545c670d08070f7e6 F Makefile.in 77ff156061bb870aa0a8b3d545c670d08070f7e6
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@ -115,7 +115,7 @@ F src/insert.c e8efc17d037346e4a4a6949e72aab850befe3d5d
F src/journal.c cffd2cd214e58c0e99c3ff632b3bee6c7cbb260e F src/journal.c cffd2cd214e58c0e99c3ff632b3bee6c7cbb260e
F src/legacy.c 3626c71fb70912abec9a4312beba753a9ce800df F src/legacy.c 3626c71fb70912abec9a4312beba753a9ce800df
F src/loadext.c ae0eed9fa96d74172d2a90ee63b5bc36d284295c F src/loadext.c ae0eed9fa96d74172d2a90ee63b5bc36d284295c
F src/main.c 59b622b0f6b6c4b44a23a71ae8dac53bfec113ca F src/main.c c89f35b92cb9e3bf405a58a5ab8ae5c618d5e1fb
F src/malloc.c c4b525896b8c188dab98609180d13dbeeeb33a84 F src/malloc.c c4b525896b8c188dab98609180d13dbeeeb33a84
F src/md5.c 008216bbb5d34c6fbab5357aa68575ad8a31516a F src/md5.c 008216bbb5d34c6fbab5357aa68575ad8a31516a
F src/mem1.c 8340fa5f969e9f9b9bdeb54106457a2003456d2b F src/mem1.c 8340fa5f969e9f9b9bdeb54106457a2003456d2b
@ -608,7 +608,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
F tool/speedtest8.c 1dbced29de5f59ba2ebf877edcadf171540374d1 F tool/speedtest8.c 1dbced29de5f59ba2ebf877edcadf171540374d1
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
P 1ffe7a995733fe91534a3ed81d2640fd7e6ebaa6 P c67aa5057deda6419e1f205118bf09957d599c15
R 0e73a5ae402dd55fe613de24133abe43 R 8745c7fb5b4644c4f38b49737035177e
U shane U shane
Z a770b6ac41943e4c9632defd47535f79 Z e2ad2c8167d4599ae7ade4fe1ae5e2bd

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c67aa5057deda6419e1f205118bf09957d599c15 8474cde34b3fcb99cd5908fddb8528d0db331cdf

16
src/main.c
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@ -14,7 +14,7 @@
** other files are for internal use by SQLite and should not be ** other files are for internal use by SQLite and should not be
** accessed by users of the library. ** accessed by users of the library.
** **
** $Id: main.c,v 1.479 2008/07/16 14:02:33 drh Exp $ ** $Id: main.c,v 1.480 2008/07/22 05:13:30 shane Exp $
*/ */
#include "sqliteInt.h" #include "sqliteInt.h"
#include <ctype.h> #include <ctype.h>
@ -117,6 +117,20 @@ int sqlite3_initialize(void){
sqlite3Config.isInit = (rc==SQLITE_OK ? 1 : 0); sqlite3Config.isInit = (rc==SQLITE_OK ? 1 : 0);
sqlite3_mutex_leave(sqlite3Config.pInitMutex); sqlite3_mutex_leave(sqlite3Config.pInitMutex);
} }
/* Check NaN support. */
#ifndef NDEBUG
/* This section of code's only "output" is via assert() statements. */
if ( rc==SQLITE_OK ){
u64 x = (((u64)1)<<63)-1;
double y;
assert(sizeof(x)==8);
assert(sizeof(x)==sizeof(y));
memcpy(&y, &x, 8);
assert( sqlite3IsNaN(y) );
}
#endif
return rc; return rc;
} }