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Overview
| Comment: | Fix a bug on systems where malloc(0) return NULL. Add code to detect this bug even on systems were it used not to occur. (CVS 190) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
bda83e2b75843b9a078c2f4e64fcd4d2 |
| User & Date: | drh 2001-03-14 12:35:57 |
Context
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2001-03-14
| ||
| 12:54 | :-) (CVS 191) (check-in: 8f79ca2a user: drh tags: trunk) | |
| 12:35 | Fix a bug on systems where malloc(0) return NULL. Add code to detect this bug even on systems were it used not to occur. (CVS 190) (check-in: bda83e2b user: drh tags: trunk) | |
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2001-02-20
| ||
| 13:06 | Documentation updates only (CVS 189) (check-in: d44abe54 user: drh tags: trunk) | |
Changes
Changes to VERSION.
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1.0.23
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1.0.24
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Changes to src/update.c.
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** drh@hwaci.com ** http://www.hwaci.com/drh/ ** ************************************************************************* ** This file contains C code routines that are called by the parser ** to handle UPDATE statements. ** ** $Id: update.c,v 1.9 2001/01/15 22:51:11 drh Exp $ */ #include "sqliteInt.h" /* ** Process an UPDATE statement. */ void sqliteUpdate( ................................................................................ */ for(nIdx=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ for(i=0; i<pIdx->nColumn; i++){ if( aXRef[pIdx->aiColumn[i]]>=0 ) break; } if( i<pIdx->nColumn ) nIdx++; } apIdx = sqliteMalloc( sizeof(Index*) * nIdx ); if( apIdx==0 ) goto update_cleanup; for(nIdx=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ for(i=0; i<pIdx->nColumn; i++){ if( aXRef[pIdx->aiColumn[i]]>=0 ) break; } if( i<pIdx->nColumn ) apIdx[nIdx++] = pIdx; } |
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** drh@hwaci.com ** http://www.hwaci.com/drh/ ** ************************************************************************* ** This file contains C code routines that are called by the parser ** to handle UPDATE statements. ** ** $Id: update.c,v 1.10 2001/03/14 12:35:57 drh Exp $ */ #include "sqliteInt.h" /* ** Process an UPDATE statement. */ void sqliteUpdate( ................................................................................ */ for(nIdx=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ for(i=0; i<pIdx->nColumn; i++){ if( aXRef[pIdx->aiColumn[i]]>=0 ) break; } if( i<pIdx->nColumn ) nIdx++; } if( nIdx>0 ){ apIdx = sqliteMalloc( sizeof(Index*) * nIdx ); if( apIdx==0 ) goto update_cleanup; } for(nIdx=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ for(i=0; i<pIdx->nColumn; i++){ if( aXRef[pIdx->aiColumn[i]]>=0 ) break; } if( i<pIdx->nColumn ) apIdx[nIdx++] = pIdx; } |
Changes to src/util.c.
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** ************************************************************************* ** Utility functions used throughout sqlite. ** ** This file contains functions for allocating memory, comparing ** strings, and stuff like that. ** ** $Id: util.c,v 1.17 2000/12/10 18:23:51 drh Exp $ */ #include "sqliteInt.h" #include <stdarg.h> #include <ctype.h> /* ** If MEMORY_DEBUG is defined, then use versions of malloc() and ................................................................................ int *pi; int k; sqlite_nMalloc++; if( sqlite_iMallocFail>=0 ){ sqlite_iMallocFail--; if( sqlite_iMallocFail==0 ) return 0; } k = (n+sizeof(int)-1)/sizeof(int); pi = malloc( (3+k)*sizeof(int)); if( pi==0 ) return 0; pi[0] = 0xdead1122; pi[1] = n; pi[k+2] = 0xdead3344; p = &pi[2]; |
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** ************************************************************************* ** Utility functions used throughout sqlite. ** ** This file contains functions for allocating memory, comparing ** strings, and stuff like that. ** ** $Id: util.c,v 1.18 2001/03/14 12:35:57 drh Exp $ */ #include "sqliteInt.h" #include <stdarg.h> #include <ctype.h> /* ** If MEMORY_DEBUG is defined, then use versions of malloc() and ................................................................................ int *pi; int k; sqlite_nMalloc++; if( sqlite_iMallocFail>=0 ){ sqlite_iMallocFail--; if( sqlite_iMallocFail==0 ) return 0; } if( n==0 ) return 0; k = (n+sizeof(int)-1)/sizeof(int); pi = malloc( (3+k)*sizeof(int)); if( pi==0 ) return 0; pi[0] = 0xdead1122; pi[1] = n; pi[k+2] = 0xdead3344; p = &pi[2]; |
Changes to www/changes.tcl.
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}
proc chng {date desc} {
puts "<DT><B>$date</B></DT>"
puts "<DD><P><UL>$desc</UL></P></DD>"
}
chng {2001 Feb 19 (1.0.23)} {
<li>An unrelated (and minor) bug from Mark Muranwski fixed. The algorithm
for figuring out where to put temporary files for a "memory:" database
was not working quite right.
</li>
}
|
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}
proc chng {date desc} {
puts "<DT><B>$date</B></DT>"
puts "<DD><P><UL>$desc</UL></P></DD>"
}
chng {2001 Mar 14 19 (1.0.24)} {
<li>Fix a bug which was causing
the UPDATE command was failing on systems where "malloc(0)" returns
NULL. The problem does not appear Windows, Linux, or HPUX but does
cause the library to fail on QNX.
</li>
}
chng {2001 Feb 19 (1.0.23)} {
<li>An unrelated (and minor) bug from Mark Muranwski fixed. The algorithm
for figuring out where to put temporary files for a "memory:" database
was not working quite right.
</li>
}
|