pqexpbuffer.h File Reference

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	PQExpBufferData

Macros
#define	PQExpBufferBroken(str)    ((str) == NULL || (str)->maxlen == 0)
#define	PQExpBufferDataBroken(buf)    ((buf).maxlen == 0)
#define	INITIAL_EXPBUFFER_SIZE   256

Typedefs
typedef struct PQExpBufferData	PQExpBufferData
typedef PQExpBufferData *	PQExpBuffer

Functions
PQExpBuffer	createPQExpBuffer (void)
void	initPQExpBuffer (PQExpBuffer str)
void	destroyPQExpBuffer (PQExpBuffer str)
void	termPQExpBuffer (PQExpBuffer str)
void	resetPQExpBuffer (PQExpBuffer str)
int	enlargePQExpBuffer (PQExpBuffer str, size_t needed)
void	printfPQExpBuffer (PQExpBuffer str, const char *fmt,...) pg_attribute_printf(2
void void	appendPQExpBuffer (PQExpBuffer str, const char *fmt,...) pg_attribute_printf(2
void void bool	appendPQExpBufferVA (PQExpBuffer str, const char *fmt, va_list args) pg_attribute_printf(2
void void bool void	appendPQExpBufferStr (PQExpBuffer str, const char *data)
void	appendPQExpBufferChar (PQExpBuffer str, char ch)
void	appendBinaryPQExpBuffer (PQExpBuffer str, const char *data, size_t datalen)

Macro Definition Documentation

INITIAL_EXPBUFFER_SIZE

#define INITIAL_EXPBUFFER_SIZE   256

Definition at line 76 of file pqexpbuffer.h.

PQExpBufferBroken

#define PQExpBufferBroken

(

str

)

((str) == NULL || (str)->maxlen == 0)

Definition at line 59 of file pqexpbuffer.h.

PQExpBufferDataBroken

#define PQExpBufferDataBroken

(

buf

)

((buf).maxlen == 0)

Definition at line 67 of file pqexpbuffer.h.

Typedef Documentation

PQExpBuffer

typedef PQExpBufferData* PQExpBuffer

Definition at line 51 of file pqexpbuffer.h.

PQExpBufferData

typedef struct PQExpBufferData PQExpBufferData

Function Documentation

appendBinaryPQExpBuffer()

void appendBinaryPQExpBuffer ( PQExpBuffer  str, const char *  data, size_t  datalen  )

extern

Definition at line 397 of file pqexpbuffer.c.

{
    /* Make more room if needed */
    if (!enlargePQExpBuffer(str, datalen))
        return;
 
    /* OK, append the data */
    memcpy(str->data + str->len, data, datalen);
    str->len += datalen;
 
    /*
     * Keep a trailing null in place, even though it's probably useless for
     * binary data...
     */
    str->data[str->len] = '\0';
}

References data, enlargePQExpBuffer(), memcpy(), and str.

Referenced by append_data(), append_urlencoded(), appendPQExpBufferStr(), createViewAsClause(), dumpTableSchema(), evaluate_backtick(), pg_GSS_error_int(), pqGets_internal(), psqlscan_emit(), test_gb18030_json(), and test_one_vector_escape().

appendPQExpBuffer()

void void appendPQExpBuffer ( PQExpBuffer  str, const char *  fmt,   ...  )

extern

appendPQExpBufferChar()

void appendPQExpBufferChar ( PQExpBuffer  str, char  ch  )

extern

Definition at line 378 of file pqexpbuffer.c.

{
    /* Make more room if needed */
    if (!enlargePQExpBuffer(str, 1))
        return;
 
    /* OK, append the character */
    str->data[str->len] = ch;
    str->len++;
    str->data[str->len] = '\0';
}

References enlargePQExpBuffer(), fb(), and str.

Referenced by _doSetSessionAuth(), AddAcl(), append_db_pattern_cte(), append_rel_pattern_raw_cte(), append_urlencoded(), appendConnStrItem(), appendConnStrVal(), appendPGArray(), AppendPlainCommandOption(), appendPsqlMetaConnect(), AppendQuotedString(), appendShellStringNoError(), AppendStringCommandOption(), appendStringLiteralConn(), appendStringLiteralDQ(), binary_upgrade_set_pg_class_oids(), build_client_first_message(), build_urlencoded(), cluster_conn_opts(), cluster_one_database(), conninfo_uri_parse_options(), constructConnStr(), createDummyViewAsClause(), createPartitions(), CreateReplicationSlot(), debug_callback(), dequoteAclUserName(), describeOneTableDetails(), DescribeQuery(), describeRoles(), determineNotNullFlags(), do_edit(), dumpCompositeType(), dumpConstraint(), dumpEnumType(), dumpEventTrigger(), dumpExtension(), dumpPublication(), dumpRule(), dumpTableData_insert(), dumpTableSchema(), dumpUserConfig(), escape_replace(), escape_string(), escape_string_conn(), escapify(), ExecuteSimpleCommands(), fetchAttributeStats(), fmtCopyColumnList(), fmtIdEnc(), format_aggregate_signature(), format_function_signature(), gather_boolean_expression(), gen_reindex_command(), GenerateRecoveryConfig(), get_create_object_cmd(), get_parallel_tables_list(), getAggregates(), getConstraints(), getFuncs(), getIndexes(), getNamespaces(), getPolicies(), getTableAttrs(), getTables(), getTriggers(), indent_lines(), libpq_append_conn_error(), libpq_append_error(), main(), MainLoop(), minimal_error_message(), output_completion_banner(), patternToSQLRegex(), pg_append_history(), pg_GSS_error(), pg_GSS_error_int(), pq_verify_peer_name_matches_certificate(), pqBuildErrorMessage3(), PQconnectPoll(), prepare_vacuum_command(), processSQLNamePattern(), psqlscan_emit(), quoteAclUserName(), read_pattern(), read_quoted_string(), reindex_one_database(), replace_guc_value(), report_flow_error(), reportErrorPosition(), start_standby_server(), StreamLogicalLog(), test_gb18030_json(), test_one_vector_escape(), and test_psql_parse().

appendPQExpBufferStr()

void void bool void appendPQExpBufferStr ( PQExpBuffer  str, const char *  data  )

extern

Definition at line 367 of file pqexpbuffer.c.

{
    appendBinaryPQExpBuffer(str, data, strlen(data));
}

References appendBinaryPQExpBuffer(), data, fb(), and str.

Referenced by _doSetSessionAuth(), _getObjectDescription(), _printTableAccessMethodNoStorage(), _selectOutputSchema(), _selectTablespace(), add_role_attribute(), AddAcl(), append_actx_error(), append_db_pattern_cte(), append_rel_pattern_filtered_cte(), append_rel_pattern_raw_cte(), append_urlencoded(), appendConnStrItem(), appendConnStrVal(), appendNamedArgument(), appendPGArray(), AppendPlainCommandOption(), appendPsqlMetaConnect(), appendQualifiedRelation(), appendReloptionsArray(), appendShellStringNoError(), appendStringLiteralDQ(), binary_upgrade_extension_member(), binary_upgrade_set_pg_class_oids(), binary_upgrade_set_type_oids_by_type_oid(), bootstrap_template1(), build_client_final_message(), build_client_first_message(), buildACLCommands(), buildMatViewRefreshDependencies(), check_for_incompatible_polymorphics(), cluster_conn_opts(), cluster_one_database(), collectComments(), collectSecLabels(), compile_database_list(), compile_relation_list_one_db(), concat_conninfo_dbname(), conninfo_uri_parse_options(), copy_previous_query(), create_logical_replication_slots(), create_sql_command(), createDummyViewAsClause(), createPartitions(), CreateReplicationSlot(), describeAccessMethods(), describeAggregates(), describeConfigurationParameters(), describeFunctions(), describeOneTableDetails(), describeOperators(), describePublications(), DescribeQuery(), describeRoleGrants(), describeRoles(), describeSubscriptions(), describeTableDetails(), describeTablespaces(), describeTypes(), determineNotNullFlags(), do_copy(), do_edit(), DropReplicationSlot(), dumpAccessMethod(), dumpACL(), dumpAgg(), dumpBaseType(), dumpCast(), dumpCollation(), dumpCommentExtended(), dumpCompositeType(), dumpCompositeTypeColComments(), dumpConstraint(), dumpConversion(), dumpDatabase(), dumpDomain(), dumpEncoding(), dumpEnumType(), dumpEventTrigger(), dumpExtension(), dumpForeignDataWrapper(), dumpForeignServer(), dumpFunc(), dumpNamespace(), dumpOpclass(), dumpOpfamily(), dumpOpr(), dumpPolicy(), dumpProcLang(), dumpPublication(), dumpPublicationTable(), dumpRangeType(), dumpRelationStats_dumper(), dumpRoleMembership(), dumpRoles(), dumpRule(), dumpSearchPath(), dumpSecLabel(), dumpSequence(), dumpSequenceData(), dumpStatisticsExtStats(), dumpSubscription(), dumpSubscriptionTable(), dumpTable(), dumpTableAttach(), dumpTableComment(), dumpTableData_copy(), dumpTableData_insert(), dumpTableSchema(), dumpTableSecLabel(), dumpTablespaces(), dumpTransform(), dumpTrigger(), dumpTSConfig(), dumpTSDictionary(), dumpUserMappings(), emitShSecLabels(), ensureCleanShutdown(), escape_fmt_id(), escape_identifier(), escape_literal(), escape_replace(), escape_string_conn(), escapify(), exec_command_ef_ev(), expand_dbname_patterns(), expand_extension_name_patterns(), expand_foreign_server_name_patterns(), expand_schema_name_patterns(), expand_table_name_patterns(), fetchAttributeStats(), fmtCopyColumnList(), fmtIdEnc(), fmtQualifiedIdEnc(), format_aggregate_signature(), format_function_arguments(), format_function_signature(), gather_boolean_expression(), gen_reindex_command(), generate_old_dump(), GenerateRecoveryConfig(), get_create_object_cmd(), get_db_conn(), get_parallel_tabidx_list(), get_parallel_tables_list(), get_rel_infos_query(), getAccessMethods(), getAdditionalACLs(), getAggregates(), getCasts(), getCollations(), getConstraints(), getConversions(), getDefaultACLs(), getDependencies(), getEventTriggers(), getExtendedStatistics(), getExtensionMembership(), getExtensions(), getForeignDataWrappers(), getForeignServers(), getFuncs(), getIndexes(), getInherits(), getLOs(), getNamespaces(), getOpclasses(), getOperators(), getOpfamilies(), getPartitioningInfo(), getPolicies(), getProcLangs(), getPublicationNamespaces(), getPublications(), getPublicationTables(), getRestoreCommand(), getRules(), gets_fromFile(), GetSlotInformation(), getSubscriptions(), getTableAttrs(), getTables(), getTransforms(), getTSConfigurations(), getTSDictionaries(), getTSParsers(), getTSTemplates(), getTypes(), indent_lines(), initCreatePKeys(), listAllDbs(), listCasts(), listCollations(), listConversions(), listDbRoleSettings(), listDefaultACLs(), listDomains(), listEventTriggers(), listExtendedStats(), listExtensionContents(), listExtensions(), listForeignDataWrappers(), listForeignServers(), listForeignTables(), listLanguages(), listLargeObjects(), listOperatorClasses(), listOperatorFamilies(), listOpFamilyFunctions(), listOpFamilyOperators(), listPartitionedTables(), listPublications(), listSchemas(), listTables(), listTSConfigs(), listTSConfigsVerbose(), listTSDictionaries(), listTSParsers(), listTSParsersVerbose(), listTSTemplates(), listUserMappings(), lookup_object_oid(), main(), main(), makeAlterConfigCommand(), minimal_error_message(), objectDescription(), output_completion_banner(), patternToSQLRegex(), permissionsList(), pg_append_history(), pg_fe_sendauth(), pg_GSS_write(), pg_SASL_init(), pgtls_read(), pgtls_write(), pqBuildErrorMessage3(), pqCheckInBufferSpace(), pqCheckOutBufferSpace(), pqConnectDBStart(), pqGetErrorNotice3(), pqPipelineSyncInternal(), pqSaveWriteError(), prepare_vacuum_command(), printVerboseErrorMessages(), processSQLNamePattern(), psqlscan_escape_variable(), psqlscan_test_variable(), read_pattern(), ReceiveXlogStream(), replace_guc_value(), report_flow_error(), reportErrorPosition(), RestoreArchive(), retrieve_objects(), runInitSteps(), runPgDump(), setup_connection(), setup_recovery(), start_conn(), start_postmaster(), start_standby_server(), StreamLogicalLog(), test_gb18030_json(), test_gb18030_page_multiple(), and test_one_vector_escape().

appendPQExpBufferVA()

void void bool appendPQExpBufferVA ( PQExpBuffer  str, const char *  fmt, va_list  args  )

extern

createPQExpBuffer()

PQExpBuffer createPQExpBuffer ( void  )

extern

Definition at line 72 of file pqexpbuffer.c.

{
    PQExpBuffer res;
 
    res = (PQExpBuffer) malloc(sizeof(PQExpBufferData));
    if (res != NULL)
        initPQExpBuffer(res);
 
    return res;
}

References fb(), initPQExpBuffer(), and malloc.

Referenced by _doSetSessionAuth(), _printTableAccessMethodNoStorage(), _selectOutputSchema(), _selectTableAccessMethod(), _selectTablespace(), _WriteLOData(), append_depends_on_extension(), appendStringLiteralDQ(), binary_upgrade_set_type_oids_by_type_oid(), buildACLCommands(), buildDefaultACLCommands(), buildMatViewRefreshDependencies(), buildShSecLabels(), check_and_drop_existing_subscriptions(), cluster_conn_opts(), collectComments(), collectSecLabels(), concat_conninfo_dbname(), constructConnStr(), create_logical_replication_slot(), create_logical_replication_slots(), create_publication(), create_subscription(), createDummyViewAsClause(), CreateReplicationSlot(), createViewAsClause(), determineNotNullFlags(), drop_existing_subscription(), drop_publication(), drop_replication_slot(), DropReplicationSlot(), dropRoles(), dump_lo_buf(), dumpAccessMethod(), dumpACL(), dumpAgg(), dumpAttrDef(), dumpBaseType(), dumpCast(), dumpCollation(), dumpCommentExtended(), dumpCompositeType(), dumpCompositeTypeColComments(), dumpConstraint(), dumpConversion(), dumpDatabase(), dumpDatabaseConfig(), dumpDefaultACL(), dumpDomain(), dumpEncoding(), dumpEnumType(), dumpEventTrigger(), dumpExtension(), dumpForeignDataWrapper(), dumpForeignServer(), dumpFunc(), dumpIndex(), dumpIndexAttach(), dumpLO(), dumpNamespace(), dumpOpclass(), dumpOpfamily(), dumpOpr(), dumpPolicy(), dumpProcLang(), dumpPublication(), dumpPublicationNamespace(), dumpPublicationTable(), dumpRangeType(), dumpRelationStats_dumper(), dumpRoleGUCPrivs(), dumpRoleMembership(), dumpRoles(), dumpRule(), dumpSearchPath(), dumpSecLabel(), dumpSequence(), dumpSequenceData(), dumpShellType(), dumpStatisticsExt(), dumpStatisticsExtStats(), dumpStdStrings(), dumpSubscription(), dumpSubscriptionTable(), dumpTable(), dumpTableAttach(), dumpTableComment(), dumpTableConstraintComment(), dumpTableData(), dumpTableData_copy(), dumpTableData_insert(), dumpTableSchema(), dumpTableSecLabel(), dumpTablespaces(), dumpTransform(), dumpTrigger(), dumpTSConfig(), dumpTSDictionary(), dumpTSParser(), dumpTSTemplate(), dumpUndefinedType(), dumpUserConfig(), dumpUserMappings(), enable_subscription(), ensureCleanShutdown(), exec_command_sf_sv(), ExecuteSimpleCommands(), expand_dbname_patterns(), expand_extension_name_patterns(), expand_foreign_server_name_patterns(), expand_schema_name_patterns(), expand_table_name_patterns(), fetchAttributeStats(), find_publication(), fmtQualifiedIdEnc(), gather_boolean_expression(), GenerateRecoveryConfig(), get_base_conninfo(), get_create_object_cmd(), get_language_name(), get_sub_conninfo(), getAccessMethods(), getAdditionalACLs(), getAggregates(), getCasts(), getCollations(), getConstraints(), getConversions(), getDefaultACLs(), getDependencies(), getDomainConstraints(), getEventTriggers(), getExtendedStatistics(), getExtensionMembership(), getExtensions(), getForeignDataWrappers(), getForeignServers(), getFormattedTypeName(), getFuncs(), getIndexes(), getInherits(), getLOs(), getNamespaces(), getOpclasses(), getOperators(), getOpfamilies(), getPartitioningInfo(), getPolicies(), getProcLangs(), getPublicationNamespaces(), getPublications(), getPublicationTables(), getRestoreCommand(), getRules(), gets_fromFile(), GetSlotInformation(), getSubscriptions(), getTableAttrs(), getTables(), getTransforms(), getTriggers(), getTSConfigurations(), getTSDictionaries(), getTSParsers(), getTSTemplates(), getTypes(), is_load_via_partition_root(), lockTableForWorker(), lookup_object_oid(), main(), MainLoop(), minimal_error_message(), process_data_type_check(), processExtensionTables(), ReceiveArchiveStreamChunk(), ReceiveXlogStream(), refreshMatViewData(), replace_guc_value(), RestoreArchive(), set_replication_progress(), set_restrict_relation_kind(), setup_connection(), start_standby_server(), StreamLogicalLog(), test_gb18030_json(), test_gb18030_page_multiple(), test_one_vector_escape(), test_psql_parse(), and upgrade_task_create().

destroyPQExpBuffer()

void destroyPQExpBuffer ( PQExpBuffer  str )

extern

Definition at line 114 of file pqexpbuffer.c.

{
    if (str)
    {
        termPQExpBuffer(str);
        free(str);
    }
}

References free, str, and termPQExpBuffer().

Referenced by _doSetSessionAuth(), _printTableAccessMethodNoStorage(), _selectOutputSchema(), _selectTableAccessMethod(), _selectTablespace(), _WriteLOData(), append_depends_on_extension(), appendStringLiteralDQ(), BaseBackup(), binary_upgrade_set_type_oids_by_type_oid(), buildACLCommands(), buildDefaultACLCommands(), buildMatViewRefreshDependencies(), buildShSecLabels(), check_and_drop_existing_subscriptions(), check_for_data_types_usage(), collectComments(), collectSecLabels(), concat_conninfo_dbname(), constructConnStr(), create_logical_replication_slot(), create_logical_replication_slots(), create_publication(), create_subscription(), CreateReplicationSlot(), createViewAsClause(), DeCloneArchive(), drop_existing_subscription(), drop_publication(), drop_replication_slot(), DropReplicationSlot(), dropRoles(), dump_lo_buf(), dumpAccessMethod(), dumpACL(), dumpAgg(), dumpAttrDef(), dumpBaseType(), dumpCast(), dumpCollation(), dumpCommentExtended(), dumpCompositeType(), dumpCompositeTypeColComments(), dumpConstraint(), dumpConversion(), dumpDatabase(), dumpDatabaseConfig(), dumpDefaultACL(), dumpDomain(), dumpEncoding(), dumpEnumType(), dumpEventTrigger(), dumpExtension(), dumpForeignDataWrapper(), dumpForeignServer(), dumpFunc(), dumpIndex(), dumpIndexAttach(), dumpLO(), dumpNamespace(), dumpOpclass(), dumpOpfamily(), dumpOpr(), dumpPolicy(), dumpProcLang(), dumpPublication(), dumpPublicationNamespace(), dumpPublicationTable(), dumpRangeType(), dumpRelationStats_dumper(), dumpRoleGUCPrivs(), dumpRoleMembership(), dumpRoles(), dumpRule(), dumpSearchPath(), dumpSecLabel(), dumpSequence(), dumpSequenceData(), dumpShellType(), dumpStatisticsExt(), dumpStatisticsExtStats(), dumpStdStrings(), dumpSubscription(), dumpSubscriptionTable(), dumpTable(), dumpTableAttach(), dumpTableComment(), dumpTableConstraintComment(), dumpTableData(), dumpTableData_copy(), dumpTableData_insert(), dumpTableSchema(), dumpTableSecLabel(), dumpTablespaces(), dumpTransform(), dumpTrigger(), dumpTSConfig(), dumpTSDictionary(), dumpTSParser(), dumpTSTemplate(), dumpUndefinedType(), dumpUserConfig(), dumpUserMappings(), enable_subscription(), ensureCleanShutdown(), exec_command_sf_sv(), expand_dbname_patterns(), expand_extension_name_patterns(), expand_foreign_server_name_patterns(), expand_schema_name_patterns(), expand_table_name_patterns(), fetchAttributeStats(), find_publication(), fmtQualifiedIdEnc(), get_base_conninfo(), get_create_object_cmd(), get_language_name(), get_sub_conninfo(), getAccessMethods(), getAdditionalACLs(), getAggregates(), getCasts(), getCollations(), getConstraints(), getConversions(), getDefaultACLs(), getDependencies(), getDomainConstraints(), getEventTriggers(), getExtendedStatistics(), getExtensionMembership(), getExtensions(), getForeignDataWrappers(), getForeignServers(), getFormattedTypeName(), getFuncs(), getIndexes(), getInherits(), getLOs(), getNamespaces(), getOpclasses(), getOperators(), getOpfamilies(), getPartitioningInfo(), getPolicies(), getProcLangs(), getPublicationNamespaces(), getPublications(), getPublicationTables(), getRestoreCommand(), getRules(), GetSlotInformation(), getSubscriptions(), getTableAttrs(), getTables(), getTransforms(), getTriggers(), getTSConfigurations(), getTSDictionaries(), getTSParsers(), getTSTemplates(), getTypes(), ignore_boolean_expression(), is_load_via_partition_root(), is_true_boolean_expression(), lockTableForWorker(), lookup_object_oid(), main(), MainLoop(), minimal_error_message(), processExtensionTables(), ReceiveArchiveStream(), ReceiveXlogStream(), refreshMatViewData(), RestoreArchive(), set_replication_progress(), set_restrict_relation_kind(), setup_connection(), start_standby_server(), StreamLogicalLog(), test_gb18030_json(), test_gb18030_page_multiple(), test_one_vector_escape(), test_psql_parse(), and upgrade_task_free().

enlargePQExpBuffer()

int enlargePQExpBuffer ( PQExpBuffer  str, size_t  needed  )

extern

Definition at line 172 of file pqexpbuffer.c.

{
    size_t      newlen;
    char       *newdata;
 
    if (PQExpBufferBroken(str))
        return 0;               /* already failed */
 
    /*
     * Guard against ridiculous "needed" values, which can occur if we're fed
     * bogus data.  Without this, we can get an overflow or infinite loop in
     * the following.
     */
    if (needed >= ((size_t) INT_MAX - str->len))
    {
        markPQExpBufferBroken(str);
        return 0;
    }
 
    needed += str->len + 1;     /* total space required now */
 
    /* Because of the above test, we now have needed <= INT_MAX */
 
    if (needed <= str->maxlen)
        return 1;               /* got enough space already */
 
    /*
     * We don't want to allocate just a little more space with each append;
     * for efficiency, double the buffer size each time it overflows.
     * Actually, we might need to more than double it if 'needed' is big...
     */
    newlen = (str->maxlen > 0) ? (2 * str->maxlen) : 64;
    while (needed > newlen)
        newlen = 2 * newlen;
 
    /*
     * Clamp to INT_MAX in case we went past it.  Note we are assuming here
     * that INT_MAX <= UINT_MAX/2, else the above loop could overflow.  We
     * will still have newlen >= needed.
     */
    if (newlen > (size_t) INT_MAX)
        newlen = (size_t) INT_MAX;
 
    newdata = (char *) realloc(str->data, newlen);
    if (newdata != NULL)
    {
        str->data = newdata;
        str->maxlen = newlen;
        return 1;
    }
 
    markPQExpBufferBroken(str);
    return 0;
}

References fb(), markPQExpBufferBroken(), PQExpBufferBroken, realloc, and str.

Referenced by appendBinaryPQExpBuffer(), appendByteaLiteral(), appendPQExpBufferChar(), appendPQExpBufferVA(), appendStringLiteral(), appendStringLiteralConn(), build_client_final_message(), escape_string(), escape_string_conn(), fmtIdEnc(), and passwordFromFile().

initPQExpBuffer()

void initPQExpBuffer ( PQExpBuffer  str )

extern

Definition at line 90 of file pqexpbuffer.c.

{
    str->data = (char *) malloc(INITIAL_EXPBUFFER_SIZE);
    if (str->data == NULL)
    {
        str->data = unconstify(char *, oom_buffer_ptr); /* see comment above */
        str->maxlen = 0;
        str->len = 0;
    }
    else
    {
        str->maxlen = INITIAL_EXPBUFFER_SIZE;
        str->len = 0;
        str->data[0] = '\0';
    }
}

References PQExpBufferData::data, fb(), INITIAL_EXPBUFFER_SIZE, malloc, oom_buffer_ptr, str, and unconstify.

Referenced by _printTocEntry(), _reconnectToDB(), add_tablespace_footer(), append_database_pattern(), append_relation_pattern_helper(), append_schema_pattern(), appendPsqlMetaConnect(), appendQualifiedRelation(), BaseBackup(), bootstrap_template1(), build_client_final_message(), build_client_first_message(), check_for_incompatible_polymorphics(), client_initial_response(), cluster_one_database(), compile_database_list(), compile_relation_list_one_db(), conninfo_uri_parse_options(), create_sql_command(), createPartitions(), createPQExpBuffer(), debug_callback(), describeAccessMethods(), describeAggregates(), describeConfigurationParameters(), describeFunctions(), describeOneTableDetails(), describeOneTSConfig(), describeOneTSParser(), describeOperators(), describePublications(), DescribeQuery(), describeRoleGrants(), describeRoles(), describeSubscriptions(), describeTableDetails(), describeTablespaces(), describeTypes(), do_copy(), dumpRelationStats_dumper(), evaluate_backtick(), exec_command_password(), executeMetaCommand(), expand_schema_name_patterns(), expand_table_name_patterns(), filter_read_item(), format_aggregate_signature(), format_function_arguments(), format_function_signature(), generate_old_dump(), GenerateRecoveryConfig(), get_db_conn(), get_parallel_tabidx_list(), get_parallel_tables_list(), get_rel_infos_query(), getCasts(), getParameterStatus(), getTransforms(), handle_oauth_sasl_error(), helpSQL(), helpVariables(), indent_lines(), initCreatePKeys(), initCreateTables(), initGenerateDataServerSide(), initialize_data_directory(), initPopulateTable(), libpqrcv_get_conninfo(), listAllDbs(), listCasts(), listCollations(), listConversions(), listDbRoleSettings(), listDefaultACLs(), listDomains(), listEventTriggers(), listExtendedStats(), listExtensionContents(), listExtensions(), listForeignDataWrappers(), listForeignServers(), listForeignTables(), listLanguages(), listLargeObjects(), listOneExtensionContents(), listOperatorClasses(), listOperatorFamilies(), listOpFamilyFunctions(), listOpFamilyOperators(), listPartitionedTables(), listPublications(), listSchemas(), listTables(), listTSConfigs(), listTSConfigsVerbose(), listTSDictionaries(), listTSParsers(), listTSParsersVerbose(), listTSTemplates(), listUserMappings(), main(), main(), objectDescription(), output_completion_banner(), ParseScript(), passwordFromFile(), patternToSQLRegex(), permissionsList(), pg_SASL_init(), pg_start_oauthbearer(), PQchangePassword(), PQconndefaults(), PQconninfo(), PQconninfoParse(), pqGetErrorNotice3(), pqMakeEmptyPGconn(), PQresultVerboseErrorMessage(), printVerboseErrorMessages(), process_backslash_command(), process_extension_updates(), processSQLNamePattern(), psql_get_variable(), psql_scan_slash_command(), psql_scan_slash_option(), ReceiveTarFile(), reindex_one_database(), resetPQExpBuffer(), retrieve_objects(), runInitSteps(), runPgDump(), slashUsage(), start_conn(), start_postmaster(), syntax_error(), test_specific_config_settings(), urlencode(), usage(), vacuum_one_database(), and validateSQLNamePattern().

printfPQExpBuffer()

void printfPQExpBuffer ( PQExpBuffer  str, const char *  fmt,   ...  )

extern

resetPQExpBuffer()

void resetPQExpBuffer ( PQExpBuffer  str )

extern

Definition at line 146 of file pqexpbuffer.c.

{
    if (str)
    {
        if (str->data != oom_buffer)
        {
            str->len = 0;
            str->data[0] = '\0';
        }
        else
        {
            /* try to reinitialize to valid state */
            initPQExpBuffer(str);
        }
    }
}

References initPQExpBuffer(), oom_buffer, and str.

Referenced by append_actx_error(), cluster_conn_opts(), create_logical_replication_slots(), create_publication(), dequoteAclUserName(), describeOneTableDetails(), describeRoles(), do_edit(), dumpCompositeTypeColComments(), dumpDatabase(), dumpOpclass(), dumpOpfamily(), dumpRelationStats_dumper(), dumpRoleMembership(), dumpRoles(), dumpSequence(), dumpSequenceData(), dumpTableComment(), dumpTableData_insert(), dumpTableSchema(), dumpTableSecLabel(), dumpTrigger(), dumpTSConfig(), dumpUserConfig(), dumpUserMappings(), exec_command_edit(), exec_command_ef_ev(), exec_command_reset(), exec_command_watch(), ExecuteSimpleCommands(), expand_dbname_patterns(), expand_extension_name_patterns(), expand_foreign_server_name_patterns(), expand_schema_name_patterns(), expand_table_name_patterns(), expr_lex_one_word(), get_create_object_cmd(), getNamespaces(), getPublications(), gets_fromFile(), getTableAttrs(), getTables(), initCreatePKeys(), MainLoop(), parseAclItem(), ParseScript(), pg_send_history(), PQcancelPoll(), pqGetErrorNotice3(), pqGets_internal(), prepare_btree_command(), prepare_heap_command(), prepare_vacuum_command(), printfPQExpBuffer(), retrieve_objects(), set_replication_progress(), setup_recovery(), start_device_authz(), start_request(), start_token_request(), StreamLogicalLog(), and test_psql_parse().

termPQExpBuffer()

void termPQExpBuffer ( PQExpBuffer  str )

extern

Definition at line 129 of file pqexpbuffer.c.

{
    if (str->data != oom_buffer)
        free(str->data);
    /* just for luck, make the buffer validly empty. */
    str->data = unconstify(char *, oom_buffer_ptr); /* see comment above */
    str->maxlen = 0;
    str->len = 0;
}

References free, oom_buffer, oom_buffer_ptr, str, and unconstify.

Referenced by _printTocEntry(), _reconnectToDB(), add_tablespace_footer(), append_database_pattern(), append_relation_pattern_helper(), append_schema_pattern(), append_urlencoded(), appendPsqlMetaConnect(), appendQualifiedRelation(), bootstrap_template1(), build_client_final_message(), build_client_first_message(), check_for_incompatible_polymorphics(), client_initial_response(), cluster_one_database(), compile_database_list(), compile_relation_list_one_db(), conninfo_uri_parse_options(), createPartitions(), debug_callback(), describeAccessMethods(), describeAggregates(), describeConfigurationParameters(), describeFunctions(), describeOneTableDetails(), describeOneTSConfig(), describeOneTSParser(), describeOperators(), describePublications(), DescribeQuery(), describeRoleGrants(), describeRoles(), describeSubscriptions(), describeTableDetails(), describeTablespaces(), describeTypes(), destroyPQExpBuffer(), do_copy(), evaluate_backtick(), exec_command_password(), executeMetaCommand(), expand_schema_name_patterns(), expand_table_name_patterns(), free_async_ctx(), free_command(), freePGconn(), generate_old_dump(), GenerateRecoveryConfig(), get_db_conn(), get_parallel_tabidx_list(), get_parallel_tables_list(), getParameterStatus(), handle_oauth_sasl_error(), helpSQL(), helpVariables(), indent_lines(), initCreatePKeys(), initCreateTables(), initGenerateDataServerSide(), initialize_data_directory(), initPopulateTable(), libpqrcv_get_conninfo(), listAllDbs(), listCasts(), listCollations(), listConversions(), listDbRoleSettings(), listDefaultACLs(), listDomains(), listEventTriggers(), listExtendedStats(), listExtensionContents(), listExtensions(), listForeignDataWrappers(), listForeignServers(), listForeignTables(), listLanguages(), listLargeObjects(), listOneExtensionContents(), listOperatorClasses(), listOperatorFamilies(), listOpFamilyFunctions(), listOpFamilyOperators(), listPartitionedTables(), listPublications(), listSchemas(), listTables(), listTSConfigs(), listTSConfigsVerbose(), listTSDictionaries(), listTSParsers(), listTSParsersVerbose(), listTSTemplates(), listUserMappings(), main(), main(), objectDescription(), output_completion_banner(), ParseScript(), passwordFromFile(), patternToSQLRegex(), permissionsList(), pg_SASL_init(), PQchangePassword(), PQconndefaults(), PQconninfo(), PQconninfoParse(), pqGetErrorNotice3(), PQresultVerboseErrorMessage(), printVerboseErrorMessages(), process_backslash_command(), process_extension_updates(), processSQLNamePattern(), psql_scan_slash_option(), ReceiveTarFile(), reindex_one_database(), retrieve_objects(), runInitSteps(), runPgDump(), slashUsage(), start_conn(), start_postmaster(), syntax_error(), test_specific_config_settings(), usage(), vacuum_one_database(), and validateSQLNamePattern().