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| Comment: | Minor code fixes in btree.c and pragma.c to help with watcom C. (CVS 1457) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
143c502a59e727975f61c8d13b6c5a90 |
| User & Date: | drh 2004-05-26 00:01:54 |
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2004-05-26
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| 00:07 | More changes to do with the new sqlite3_step() API. (CVS 1458) (check-in: e8313825 user: danielk1977 tags: trunk) | |
| 00:01 | Minor code fixes in btree.c and pragma.c to help with watcom C. (CVS 1457) (check-in: 143c502a user: drh tags: trunk) | |
| 00:01 | Add file legacy.c with old APIs. (CVS 1456) (check-in: ae18fcb7 user: danielk1977 tags: trunk) | |
Changes to src/btree.c.
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** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** $Id: btree.c,v 1.146 2004/05/22 02:55:23 drh Exp $ ** ** This file implements a external (disk-based) database using BTrees. ** For a detailed discussion of BTrees, refer to ** ** Donald E. Knuth, THE ART OF COMPUTER PROGRAMMING, Volume 3: ** "Sorting And Searching", pages 473-480. Addison-Wesley ** Publishing Company, Reading, Massachusetts. ................................................................................ MemPage *pPage, /* The page that contains the cell */ unsigned char *pCell, /* Complete text of the cell */ const void *pKey, i64 nKey, /* The key */ const void *pData,int nData, /* The data */ int *pnSize /* Write cell size here */ ){ int nPayload; const void *pSrc; int nSrc, n, rc; int spaceLeft; MemPage *pOvfl = 0; MemPage *pToRelease = 0; unsigned char *pPrior; unsigned char *pPayload; Btree *pBt = pPage->pBt; |
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** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** $Id: btree.c,v 1.147 2004/05/26 00:01:54 drh Exp $ ** ** This file implements a external (disk-based) database using BTrees. ** For a detailed discussion of BTrees, refer to ** ** Donald E. Knuth, THE ART OF COMPUTER PROGRAMMING, Volume 3: ** "Sorting And Searching", pages 473-480. Addison-Wesley ** Publishing Company, Reading, Massachusetts. ................................................................................ MemPage *pPage, /* The page that contains the cell */ unsigned char *pCell, /* Complete text of the cell */ const void *pKey, i64 nKey, /* The key */ const void *pData,int nData, /* The data */ int *pnSize /* Write cell size here */ ){ int nPayload; const u8 *pSrc; int nSrc, n, rc; int spaceLeft; MemPage *pOvfl = 0; MemPage *pToRelease = 0; unsigned char *pPrior; unsigned char *pPayload; Btree *pBt = pPage->pBt; |
Changes to src/pragma.c.
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** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains code used to implement the PRAGMA command. ** ** $Id: pragma.c,v 1.29 2004/05/25 23:35:18 danielk1977 Exp $ */ #include "sqliteInt.h" #include <ctype.h> /* ** Interpret the given string as a boolean value. */ ................................................................................ { OP_Lt, 0, 5, 0}, { OP_AddImm, 1, 0, 0}, { OP_Callback, 1, 0, 0}, { OP_Halt, 0, 0, 0}, { OP_AddImm, -1, 0, 0}, /* 10 */ { OP_Callback, 1, 0, 0} }; if( pRight->z==pLeft->z ){ sqlite3VdbeSetNumCols(v, 1); int addr = sqlite3VdbeAddOpList(v, ArraySize(getSync), getSync); sqlite3VdbeChangeP2(v, addr+3, addr+10); }else{ int addr; int size = db->cache_size; if( size<0 ) size = -size; sqlite3BeginWriteOperation(pParse, 0, 0); sqlite3VdbeAddOp(v, OP_ReadCookie, 0, 2); sqlite3VdbeAddOp(v, OP_Dup, 0, 0); addr = sqlite3VdbeAddOp(v, OP_Integer, 0, 0); sqlite3VdbeAddOp(v, OP_Ne, 0, addr+3); |
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** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains code used to implement the PRAGMA command. ** ** $Id: pragma.c,v 1.30 2004/05/26 00:01:54 drh Exp $ */ #include "sqliteInt.h" #include <ctype.h> /* ** Interpret the given string as a boolean value. */ ................................................................................ { OP_Lt, 0, 5, 0}, { OP_AddImm, 1, 0, 0}, { OP_Callback, 1, 0, 0}, { OP_Halt, 0, 0, 0}, { OP_AddImm, -1, 0, 0}, /* 10 */ { OP_Callback, 1, 0, 0} }; int addr; if( pRight->z==pLeft->z ){ sqlite3VdbeSetNumCols(v, 1); addr = sqlite3VdbeAddOpList(v, ArraySize(getSync), getSync); sqlite3VdbeChangeP2(v, addr+3, addr+10); }else{ int size = db->cache_size; if( size<0 ) size = -size; sqlite3BeginWriteOperation(pParse, 0, 0); sqlite3VdbeAddOp(v, OP_ReadCookie, 0, 2); sqlite3VdbeAddOp(v, OP_Dup, 0, 0); addr = sqlite3VdbeAddOp(v, OP_Integer, 0, 0); sqlite3VdbeAddOp(v, OP_Ne, 0, addr+3); |