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rc = uncompress(pOut, &nOut, &pIn[4], nIn-4);
if( rc==Z_OK ){
sqlite3_result_blob(context, pOut, nOut, sqlite3_free);
}else{
sqlite3_result_error(context, "input is not zlib compressed", -1);
}
}
/*
** Add the content(), compress(), and decompress() SQL functions to
** database connection db.
*/
int add_content_sql_commands(sqlite3 *db){
sqlite3_create_function(db, "content", 1, SQLITE_UTF8, 0,
sqlcmd_content, 0, 0);
sqlite3_create_function(db, "compress", 1, SQLITE_UTF8, 0,
sqlcmd_compress, 0, 0);
sqlite3_create_function(db, "decompress", 1, SQLITE_UTF8, 0,
sqlcmd_decompress, 0, 0);
}
/*
** This is the "automatic extension" initializer that runs right after
** the connection to the repository database is opened. Set up the
** database connection to be more useful to the human operator.
*/
static int sqlcmd_autoinit(
sqlite3 *db,
const char **pzErrMsg,
const void *notUsed
){
sqlite3_create_function(db, "content", 1, SQLITE_UTF8, 0,
sqlcmd_content, 0, 0);
sqlite3_create_function(db, "compress", 1, SQLITE_UTF8, 0,
sqlcmd_compress, 0, 0);
sqlite3_create_function(db, "decompress", 1, SQLITE_UTF8, 0,
sqlcmd_decompress, 0, 0);
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