Check-in [19064d7cea] broke the pTail return on sqlite3_prepare16() when

the SQL contained surrogates. This check-in restores correct function.
Part of ticket [3fe897352e].

FossilOrigin-Name: 65b1e3a4c31f6cb6fd3f600701658b0cdbee603f
This commit is contained in:
drh 2009-10-24 01:55:14 +00:00
parent 7c95b0f3da
commit 6d116cace9
3 changed files with 17 additions and 11 deletions

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@ -1,8 +1,8 @@
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Hash: SHA1
C Make\ssure\sthat\sUTF16\sto\sUTF8\sconversions\sto\snot\sread\spast\sthe\send\sof\sthe\nUTF16\sinput\sbuffer\sif\sthe\slast\stwo\sbytes\sof\sthe\sUTF16\shappen\sto\sbe\sthe\nfirst\shalf\sof\sa\ssurrogate\spair.\s\sTicket\s[3fe897352e]
D 2009-10-23T18:15:46
C Check-in\s[19064d7cea]\sbroke\sthe\spTail\sreturn\son\ssqlite3_prepare16()\swhen\nthe\sSQL\scontained\ssurrogates.\sThis\scheck-in\srestores\scorrect\sfunction.\nPart\sof\sticket\s[3fe897352e].
D 2009-10-24T01:55:15
F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
F Makefile.in a77dfde96ad86aafd3f71651a4333a104debe86a
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@ -205,7 +205,7 @@ F src/test_wsd.c 3ae5101de6cbfda2720152ab659ea84079719241
F src/tokenize.c af8a56e6a50c5042fc305bfa796275e9bf26ff2b
F src/trigger.c 2053afa9952f69cf451bc0e6ea88072701f2925e
F src/update.c 8e8535f66c32d946199cb1caad19646a97ead3a7
F src/utf.c 7b4012e80709fa654150dee360fc8dc62c4f3e12
F src/utf.c 2395dfcd72e0da4dbc75ff7e113bd415562750aa
F src/util.c 59d4e9456bf1fe581f415a783fa0cee6115c8f35
F src/vacuum.c 48e1282bbd5eac4b461587c51658378658c00770
F src/vdbe.c f0d6e7dbd4515758c188c9dd7025eb9dfcf021e0
@ -764,14 +764,14 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
P 1ebac9edddd28bdbbd9815fdb64eb9129f39f94a
R 10c8b96c1dc163bdaa37780882770a38
P 19064d7cea838e1a93fe63743ed247f440679e97
R 44dc5ec300c49505c4d9505ed09a5846
U drh
Z 0cd60e2c2d007317dff310d0e88c5141
Z 311a3a4efd8a48ee4d5b8ab3156cfc0d
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@ -1 +1 @@
19064d7cea838e1a93fe63743ed247f440679e97
65b1e3a4c31f6cb6fd3f600701658b0cdbee603f

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@ -488,8 +488,14 @@ char *sqlite3Utf8to16(sqlite3 *db, u8 enc, char *z, int n, int *pnOut){
int sqlite3Utf16ByteLen(const void *zIn, int nChar){
int c;
unsigned char const *z = zIn;
unsigned char const *zTerm = &z[nChar];
unsigned char const *zTerm;
int n = 0;
/* Some of the characters might be surrogates. Be careful not to terminate
** the string too early because of them. In the worst case, all characters
** or surrogates so make the terminator 2*nChar from the beginning. */
zTerm = &z[nChar*2];
if( SQLITE_UTF16NATIVE==SQLITE_UTF16BE ){
/* Using an "if (SQLITE_UTF16NATIVE==SQLITE_UTF16BE)" construct here
** and in other parts of this file means that at one branch will