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Overview
| Comment: | Fix the readfile() UDF so that it returns an empty BLOB, not an OOM error, when reading an empty file. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: | 0edad5339e36d69aed9289bb3e60d35f |
| User & Date: | drh 2019-02-27 19:59:56 |
Context
|
2019-02-27
| ||
| 23:05 | Enable the LIKE optimization when the ESCAPE keyword is present and the PRAGMA case_sensitive_like pragma is ON. check-in: 6ae4b8c5 user: drh tags: trunk | |
| 19:59 | Fix the readfile() UDF so that it returns an empty BLOB, not an OOM error, when reading an empty file. check-in: 0edad533 user: drh tags: trunk | |
| 16:38 | Add the "-returntype" option to the "db function" Tcl method. check-in: 789a492b user: dan tags: trunk | |
Changes
Changes to ext/misc/fileio.c.
148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 |
db = sqlite3_context_db_handle(ctx);
mxBlob = sqlite3_limit(db, SQLITE_LIMIT_LENGTH, -1);
if( nIn>mxBlob ){
sqlite3_result_error_code(ctx, SQLITE_TOOBIG);
fclose(in);
return;
}
pBuf = sqlite3_malloc64( nIn );
if( pBuf==0 ){
sqlite3_result_error_nomem(ctx);
fclose(in);
return;
}
if( 1==fread(pBuf, nIn, 1, in) ){
sqlite3_result_blob64(ctx, pBuf, nIn, sqlite3_free);
}else{
sqlite3_result_error_code(ctx, SQLITE_IOERR);
sqlite3_free(pBuf);
}
fclose(in);
}
|
| | |
148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 |
db = sqlite3_context_db_handle(ctx);
mxBlob = sqlite3_limit(db, SQLITE_LIMIT_LENGTH, -1);
if( nIn>mxBlob ){
sqlite3_result_error_code(ctx, SQLITE_TOOBIG);
fclose(in);
return;
}
pBuf = sqlite3_malloc64( nIn ? nIn : 1 );
if( pBuf==0 ){
sqlite3_result_error_nomem(ctx);
fclose(in);
return;
}
if( nIn==fread(pBuf, 1, nIn, in) ){
sqlite3_result_blob64(ctx, pBuf, nIn, sqlite3_free);
}else{
sqlite3_result_error_code(ctx, SQLITE_IOERR);
sqlite3_free(pBuf);
}
fclose(in);
}
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