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Restore the use of system isnan() that was removed by

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check-in [ea748edecb261f2b].  See
[forum:/forumpost/d7c530ac587f59e6|forum thread d7c530ac587f59e6].

FossilOrigin-Name: b3cfe23bec0b95ca673802526704200e2396df715fdded72aa71addd7f47e0e1
This commit is contained in:
drh 2021-09-06 11:44:19 +00:00
parent e7e9539d99
commit e534c7b97f
3 changed files with 18 additions and 8 deletions
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12
manifest
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@ -1,5 +1,5 @@
C Fix\san\sassertion\sfault\sin\spcache\sintroduced\sby\s[4bc93658aa563f2f]\sand\ndetected\sby\sOSSFuzz.\s\sTest\scase\sin\sTH3. C Restore\sthe\suse\sof\ssystem\sisnan()\sthat\swas\sremoved\sby\ncheck-in\s[ea748edecb261f2b].\s\sSee\n[forum:/forumpost/d7c530ac587f59e6|forum\sthread\sd7c530ac587f59e6].
D 2021-09-03T18:11:12.688 D 2021-09-06T11:44:19.557
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -614,7 +614,7 @@ F src/trigger.c 3f612ce5f0858b6c23460a3c799d01f408b49b0b29d931d8b8e6fc224a8667de
F src/update.c 69c4c10bc6873a80c0a77cb578f9fc60ee90003d03f9530bc3370fa24615772d F src/update.c 69c4c10bc6873a80c0a77cb578f9fc60ee90003d03f9530bc3370fa24615772d
F src/upsert.c 8789047a8f0a601ea42fa0256d1ba3190c13746b6ba940fe2d25643a7e991937 F src/upsert.c 8789047a8f0a601ea42fa0256d1ba3190c13746b6ba940fe2d25643a7e991937
F src/utf.c ee39565f0843775cc2c81135751ddd93eceb91a673ea2c57f61c76f288b041a0 F src/utf.c ee39565f0843775cc2c81135751ddd93eceb91a673ea2c57f61c76f288b041a0
F src/util.c eafc8cfeb66fdbf8839922d13019b7882f242ac31b383e3451aab7744c54df3e F src/util.c 3f27a1eae01c8bbbb8cdef2f26bd8e6a2a7db08106ef7c3dcc990787a5da6e86
F src/vacuum.c 454973a59fb20bb982efc2df568a098616db6328a0491b6e84e2e07f7333db45 F src/vacuum.c 454973a59fb20bb982efc2df568a098616db6328a0491b6e84e2e07f7333db45
F src/vdbe.c 39755f468a623af5e805c65a9ad7edb7c45fd78239fd58a319c7db8dfacc302b F src/vdbe.c 39755f468a623af5e805c65a9ad7edb7c45fd78239fd58a319c7db8dfacc302b
F src/vdbe.h 25dabb25c7e157b84e59260cfb5b466c3ac103ede9f36f4db371332c47601abe F src/vdbe.h 25dabb25c7e157b84e59260cfb5b466c3ac103ede9f36f4db371332c47601abe
@ -1922,7 +1922,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P c7b34930e27597e7f634ad76be55fc436dcb84ea48d5b41b5d7f3596285dd672 P 2262a49467fa56c386080dac3e99a66e16c1700e138dba74db66e7b93ae76bf5
R 4f7910f5f5ef11dddc7f6d21ffbd4cd3 R d8ba99d74275c13962c86910c5d71eaf
U drh U drh
Z 3eac870735d941254d467d34517d396e Z b03f3a58c51480d14c4f0272dcd9a510

2
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@ -1 +1 @@
2262a49467fa56c386080dac3e99a66e16c1700e138dba74db66e7b93ae76bf5 b3cfe23bec0b95ca673802526704200e2396df715fdded72aa71addd7f47e0e1

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src/util.c
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@ -60,11 +60,21 @@ int sqlite3FaultSim(int iTest){
#ifndef SQLITE_OMIT_FLOATING_POINT #ifndef SQLITE_OMIT_FLOATING_POINT
/* /*
** Return true if the floating point value is Not a Number (NaN). ** Return true if the floating point value is Not a Number (NaN).
**
** Use the math library isnan() function if compiled with SQLITE_HAVE_ISNAN.
** Otherwise, we have our own implementation that works on most systems.
*/ */
int sqlite3IsNaN(double x){ int sqlite3IsNaN(double x){
int rc; /* The value return */
#if !SQLITE_HAVE_ISNAN && !HAVE_ISNAN
u64 y; u64 y;
memcpy(&y,&x,sizeof(y)); memcpy(&y,&x,sizeof(y));
return IsNaN(y); rc = IsNaN(y);
#else
rc = isnan(x);
#endif /* HAVE_ISNAN */
testcase( rc );
return rc;
} }
#endif /* SQLITE_OMIT_FLOATING_POINT */ #endif /* SQLITE_OMIT_FLOATING_POINT */