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Overview
Comment: | Slightly smaller and faster sqlite3VdbeMemGrow(). |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
efd1702ae8da8e0dd3d2ee7bd5a1bd8a |
User & Date: | drh 2017-04-10 20:27:54.806 |
Context
2017-04-10
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20:51 | Smaller and faster vdbeFreeOpArray() (check-in: e052436d9f user: drh tags: trunk) | |
20:27 | Slightly smaller and faster sqlite3VdbeMemGrow(). (check-in: efd1702ae8 user: drh tags: trunk) | |
12:31 | Add a new JSON test case to verify that all control characters are escaped in the json_quote() function. (check-in: 6ee12221fa user: drh tags: trunk) | |
Changes
Changes to src/vdbemem.c.
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121 122 123 124 125 126 127 | /* If the bPreserve flag is set to true, then the memory cell must already ** contain a valid string or blob value. */ assert( bPreserve==0 || pMem->flags&(MEM_Blob|MEM_Str) ); testcase( bPreserve && pMem->z==0 ); assert( pMem->szMalloc==0 || pMem->szMalloc==sqlite3DbMallocSize(pMem->db, pMem->zMalloc) ); | < | | | | | | | | | | | | | | | < | 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | /* If the bPreserve flag is set to true, then the memory cell must already ** contain a valid string or blob value. */ assert( bPreserve==0 || pMem->flags&(MEM_Blob|MEM_Str) ); testcase( bPreserve && pMem->z==0 ); assert( pMem->szMalloc==0 || pMem->szMalloc==sqlite3DbMallocSize(pMem->db, pMem->zMalloc) ); if( n<32 ) n = 32; if( bPreserve && pMem->szMalloc>0 && pMem->z==pMem->zMalloc ){ pMem->z = pMem->zMalloc = sqlite3DbReallocOrFree(pMem->db, pMem->z, n); bPreserve = 0; }else{ if( pMem->szMalloc>0 ) sqlite3DbFreeNN(pMem->db, pMem->zMalloc); pMem->zMalloc = sqlite3DbMallocRaw(pMem->db, n); } if( pMem->zMalloc==0 ){ sqlite3VdbeMemSetNull(pMem); pMem->z = 0; pMem->szMalloc = 0; return SQLITE_NOMEM_BKPT; }else{ pMem->szMalloc = sqlite3DbMallocSize(pMem->db, pMem->zMalloc); } if( bPreserve && pMem->z && pMem->z!=pMem->zMalloc ){ memcpy(pMem->zMalloc, pMem->z, pMem->n); } if( (pMem->flags&MEM_Dyn)!=0 ){ assert( pMem->xDel!=0 && pMem->xDel!=SQLITE_DYNAMIC ); |
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