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Overview
| Comment: | Pedantic cleanup to how to the SQL compress()/decompress() UDFs report an OOM, which can happen via zlib, outside of fossil's fail-fast allocator. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
20abe259639742fa8ae9519f070c4b85 |
| User & Date: | stephan 2019-05-28 18:43:16 |
Context
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2019-05-28
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| 20:51 | Add the login-group command for managing login groups from the command-line. check-in: c3ba504d user: drh tags: trunk | |
| 18:43 | Pedantic cleanup to how to the SQL compress()/decompress() UDFs report an OOM, which can happen via zlib, outside of fossil's fail-fast allocator. check-in: 20abe259 user: stephan tags: trunk | |
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2019-05-27
| ||
| 11:17 | Fix a memory leak in the delta_parse() table-valued function, pointed out by Ralf Junkers. check-in: 9002a80a user: drh tags: trunk | |
Changes
Changes to src/sqlcmd.c.
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pOut[0] = nIn>>24 & 0xff;
pOut[1] = nIn>>16 & 0xff;
pOut[2] = nIn>>8 & 0xff;
pOut[3] = nIn & 0xff;
rc = compress(&pOut[4], &nOut, pIn, nIn);
if( rc==Z_OK ){
sqlite3_result_blob(context, pOut, nOut+4, sqlite3_free);
}else{
sqlite3_free(pOut);
sqlite3_result_error(context, "input cannot be zlib compressed", -1);
}
}
/*
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pIn = sqlite3_value_blob(argv[0]);
nIn = sqlite3_value_bytes(argv[0]);
nOut = (pIn[0]<<24) + (pIn[1]<<16) + (pIn[2]<<8) + pIn[3];
pOut = sqlite3_malloc( nOut+1 );
rc = uncompress(pOut, &nOut, &pIn[4], nIn-4);
if( rc==Z_OK ){
sqlite3_result_blob(context, pOut, nOut, sqlite3_free);
}else{
sqlite3_free(pOut);
sqlite3_result_error(context, "input is not zlib compressed", -1);
}
}
/*
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pOut[0] = nIn>>24 & 0xff;
pOut[1] = nIn>>16 & 0xff;
pOut[2] = nIn>>8 & 0xff;
pOut[3] = nIn & 0xff;
rc = compress(&pOut[4], &nOut, pIn, nIn);
if( rc==Z_OK ){
sqlite3_result_blob(context, pOut, nOut+4, sqlite3_free);
}else if( rc==Z_MEM_ERROR ){
sqlite3_free(pOut);
sqlite3_result_error_nomem(context);
}else{
sqlite3_free(pOut);
sqlite3_result_error(context, "input cannot be zlib compressed", -1);
}
}
/*
................................................................................
pIn = sqlite3_value_blob(argv[0]);
nIn = sqlite3_value_bytes(argv[0]);
nOut = (pIn[0]<<24) + (pIn[1]<<16) + (pIn[2]<<8) + pIn[3];
pOut = sqlite3_malloc( nOut+1 );
rc = uncompress(pOut, &nOut, &pIn[4], nIn-4);
if( rc==Z_OK ){
sqlite3_result_blob(context, pOut, nOut, sqlite3_free);
}else if( rc==Z_MEM_ERROR ){
sqlite3_free(pOut);
sqlite3_result_error_nomem(context);
}else{
sqlite3_free(pOut);
sqlite3_result_error(context, "input is not zlib compressed", -1);
}
}
/*
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