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Overview
| Comment: | Avoid using the transient value in the UTF-16 collation needed callback. (CVS 2816) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | ab6241af29b2e9f5f094b83c13afebe4 |
| User & Date: | drh 2005-12-14 22:51:17 |
Context
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2005-12-15
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| 03:04 | Fix memory allocation problems on the utf-16 versions of collating function control routines. (CVS 2817) check-in: ad292e27 user: drh tags: trunk | |
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2005-12-14
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| 22:51 | Avoid using the transient value in the UTF-16 collation needed callback. (CVS 2816) check-in: ab6241af user: drh tags: trunk | |
| 20:11 | Properly zero-terminate UTF-16 collation names on an sqlite3_collation_needed16 callback. (CVS 2815) check-in: 71a49d05 user: drh tags: trunk | |
Changes
Changes to src/callback.c.
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** May you share freely, never taking more than you give. ** ************************************************************************* ** ** This file contains functions used to access the internal hash tables ** of user defined functions and collation sequences. ** ** $Id: callback.c,v 1.6 2005/12/14 20:11:30 drh Exp $ */ #include "sqliteInt.h" /* ** Invoke the 'collation needed' callback to request a collation sequence ** in the database text encoding of name zName, length nName. ................................................................................ if( !zExternal ) return; db->xCollNeeded(db->pCollNeededArg, db, (int)db->enc, zExternal); sqliteFree(zExternal); } #ifndef SQLITE_OMIT_UTF16 if( db->xCollNeeded16 ){ char const *zExternal; sqlite3_value *pTmp = sqlite3GetTransientValue(db); sqlite3ValueSetStr(pTmp, nName, zName, SQLITE_UTF8, SQLITE_STATIC); zExternal = sqlite3ValueText(pTmp, SQLITE_UTF16NATIVE); if( !zExternal ) return; db->xCollNeeded16(db->pCollNeededArg, db, (int)db->enc, zExternal); } #endif } /* ** This routine is called if the collation factory fails to deliver a ** collation function in the best encoding but there may be other versions |
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** May you share freely, never taking more than you give. ** ************************************************************************* ** ** This file contains functions used to access the internal hash tables ** of user defined functions and collation sequences. ** ** $Id: callback.c,v 1.7 2005/12/14 22:51:17 drh Exp $ */ #include "sqliteInt.h" /* ** Invoke the 'collation needed' callback to request a collation sequence ** in the database text encoding of name zName, length nName. ................................................................................ if( !zExternal ) return; db->xCollNeeded(db->pCollNeededArg, db, (int)db->enc, zExternal); sqliteFree(zExternal); } #ifndef SQLITE_OMIT_UTF16 if( db->xCollNeeded16 ){ char const *zExternal; sqlite3_value *pTmp = sqlite3ValueNew(); sqlite3ValueSetStr(pTmp, nName, zName, SQLITE_UTF8, SQLITE_STATIC); zExternal = sqlite3ValueText(pTmp, SQLITE_UTF16NATIVE); if( zExternal ){ db->xCollNeeded16(db->pCollNeededArg, db, (int)db->enc, zExternal); } sqlite3ValueFree(pTmp); } #endif } /* ** This routine is called if the collation factory fails to deliver a ** collation function in the best encoding but there may be other versions |