fe_memutils.c File Reference

#include "postgres_fe.h"

Include dependency graph for fe_memutils.c:

Go to the source code of this file.

Functions
static void *	pg_malloc_internal (size_t size, int flags)
void *	pg_malloc (size_t size)
void *	pg_malloc0 (size_t size)
void *	pg_malloc_extended (size_t size, int flags)
void *	pg_realloc (void *ptr, size_t size)
char *	pg_strdup (const char *in)
void	pg_free (void *ptr)
void *	palloc (Size size)
void *	palloc0 (Size size)
void *	palloc_extended (Size size, int flags)
void	pfree (void *pointer)
char *	pstrdup (const char *in)
void *	repalloc (void *pointer, Size size)

Function Documentation

palloc()

void* palloc

(

Size

size

)

Definition at line 116 of file fe_memutils.c.

References MemoryContextMethods::alloc, AllocSizeIsValid, AssertArg, AssertNotInCriticalSection, CurrentMemoryContext, elog, ereport, errcode(), errdetail(), errmsg(), ERROR, MemoryContextData::isReset, MemoryContextIsValid, MemoryContextStats(), MemoryContextData::methods, MemoryContextData::name, pg_malloc_internal(), unlikely, and VALGRIND_MEMPOOL_ALLOC.

{
    return pg_malloc_internal(size, 0);
}

palloc0()

void* palloc0

(

Size

size

)

Definition at line 122 of file fe_memutils.c.

References MemoryContextMethods::alloc, AllocSizeIsValid, AssertArg, AssertNotInCriticalSection, CurrentMemoryContext, elog, ereport, errcode(), errdetail(), errmsg(), ERROR, MemoryContextData::isReset, MCXT_ALLOC_ZERO, MemoryContextIsValid, MemoryContextStats(), MemSetAligned, MemoryContextData::methods, MemoryContextData::name, pg_malloc_internal(), unlikely, and VALGRIND_MEMPOOL_ALLOC.

{
    return pg_malloc_internal(size, MCXT_ALLOC_ZERO);
}

palloc_extended()

void* palloc_extended	(	Size	size,
		int	flags
	)

Definition at line 128 of file fe_memutils.c.

References MemoryContextMethods::alloc, AllocHugeSizeIsValid, AllocSizeIsValid, AssertArg, AssertNotInCriticalSection, CurrentMemoryContext, elog, ereport, errcode(), errdetail(), errmsg(), ERROR, MemoryContextData::isReset, MCXT_ALLOC_HUGE, MCXT_ALLOC_NO_OOM, MCXT_ALLOC_ZERO, MemoryContextIsValid, MemoryContextStats(), MemSetAligned, MemoryContextData::methods, MemoryContextData::name, pg_malloc_internal(), unlikely, and VALGRIND_MEMPOOL_ALLOC.

{
    return pg_malloc_internal(size, flags);
}

pfree()

void pfree

(

void *

pointer

)

Definition at line 134 of file fe_memutils.c.

References MemoryContextMethods::free_p, GetMemoryChunkContext(), MemoryContextData::methods, pg_free(), and VALGRIND_MEMPOOL_FREE.

{
    pg_free(pointer);
}

pg_free()

void pg_free

(

void *

ptr

)

Definition at line 105 of file fe_memutils.c.

References free.

Referenced by appendQualifiedRelation(), avlFree(), bool_substitute_hook(), calculate_totals(), copyFile(), create_script_for_old_cluster_deletion(), datapagemap_print(), dir_close(), do_connect(), do_watch(), dumpFunc(), equivalent_locale(), execute_pagemap(), findCommonAncestorTimeline(), flagInhIndexes(), free_command(), free_db_and_rel_infos(), free_rel_infos(), free_socket_set(), FreeWalDirectoryMethod(), FreeWalTarMethod(), get_canonical_locale_name(), get_control_data(), get_loadable_libraries(), getTimelineHistory(), libpqConnect(), libpqGetCurrentXlogInsertLocation(), LogStreamerMain(), main(), makeAlterConfigCommand(), parallel_exec_prog(), parallel_transfer_all_new_dbs(), parseAclItem(), parseCommandLine(), parseQuery(), pfree(), printCrosstab(), PrintResultsInCrosstab(), rankSort(), readCommandResponse(), readMessageFromPipe(), ready_list_free(), receiveFileChunks(), reindex_one_database(), RestoreArchive(), run_schedule(), SendQuery(), setalarm(), SetVariable(), simple_oid_list_destroy(), simple_string_list_destroy(), StreamLog(), tar_close(), tar_open_for_write(), transfer_all_new_dbs(), vacuum_one_database(), and WriteDataChunks().

{
    if (ptr != NULL)
        free(ptr);
}

pg_malloc()

void* pg_malloc

(

size_t

size

)

Definition at line 47 of file fe_memutils.c.

References pg_malloc_internal().

Referenced by _Clone(), _CustomReadFunc(), _PrintFileData(), _skipData(), add_one_elt(), add_stringlist_item(), addObjectDependency(), ahprintf(), ArchiveEntry(), archprintf(), AssignDumpId(), avlInsertNode(), BuildArchiveDependencies(), buildIndexArray(), cfopen(), CloneArchive(), collectComments(), collectSecLabels(), conditional_stack_create(), conditional_stack_push(), copyFile(), create_sql_command(), createBoundaryObjects(), CreateVariableSpace(), CreateWalTarMethod(), datapagemap_iterate(), do_connect(), do_watch(), EndCompressor(), escape_quotes_bki(), exec_command_prompt(), ExecuteSqlCommandBuf(), filemap_create(), filter_lines_with_token(), find_other_exec_or_die(), findDependencyLoops(), findParentsByOid(), fix_dependencies(), flagInhAttrs(), format_numeric_locale(), gen_db_file_maps(), get_comma_elts(), get_db_infos(), get_loadable_libraries(), get_rel_infos(), get_tablespace_paths(), getAccessMethods(), getAggregates(), getBlobs(), getCasts(), getCollations(), getConstraints(), getConversions(), getDefaultACLs(), getDomainConstraints(), getDumpableObjects(), getEventTriggers(), getExtendedStatistics(), getExtensionMembership(), getExtensions(), getForeignDataWrappers(), getForeignServers(), getFuncs(), getIndexes(), getInherits(), getNamespaces(), getOpclasses(), getOperators(), getOpfamilies(), getPolicies(), getProcLangs(), getPublications(), getPublicationTables(), getRules(), getSubscriptions(), getTableAttrs(), getTimelineHistory(), getTransforms(), getTriggers(), getTSConfigurations(), getTSDictionaries(), getTSParsers(), getTSTemplates(), getTypes(), identify_locking_dependencies(), InitArchiveFmt_Custom(), InitArchiveFmt_Directory(), InitArchiveFmt_Null(), InitArchiveFmt_Tar(), initialize_environment(), libpqGetFile(), load_resultmap(), lookupCreateVariable(), main(), makeTableDataInfo(), NewDumpOptions(), parallel_exec_prog(), parallel_transfer_all_new_dbs(), ParallelBackupStart(), ParallelSlotsSetup(), ParseScript(), parseScriptWeight(), parseVariable(), pretty_wal_size(), print_aligned_text(), print_aligned_vertical(), printCrosstab(), PrintResultsInCrosstab(), process_source_file(), process_target_file(), pset_quoted_string(), quote_identifier(), quote_if_needed(), rankSort(), read_file_contents(), ReadControlFile(), ReadDataFromArchiveNone(), readfile(), readMessageFromPipe(), ReadStr(), ReadToc(), ready_list_init(), receiveFileChunks(), replace_token(), rewind_parseTimeLineHistory(), run_all_permutations(), run_named_permutations(), run_permutation(), setup_bin_paths(), SetVariable(), SetVariableHooks(), simple_action_list_append(), simple_oid_list_append(), simple_ptr_list_append(), simple_string_list_append(), slurpFile(), socket_has_input(), sortDumpableObjects(), SplitGUCList(), sql_exec(), sql_exec_searchtables(), strtokx(), tar_open_for_write(), tarPrintf(), TopoSort(), wait_for_tests(), WaitForTerminatingWorkers(), and WriteDataChunks().

{
    return pg_malloc_internal(size, 0);
}

pg_malloc0()

void* pg_malloc0

(

size_t

size

)

Definition at line 53 of file fe_memutils.c.

References MCXT_ALLOC_ZERO, and pg_malloc_internal().

Referenced by _allocAH(), _ArchiveEntry(), _discoverArchiveFormat(), _ReadExtraToc(), _tarPositionTo(), alloc_socket_set(), AllocateCompressor(), ArchiveEntry(), avlInit(), buildTocEntryArrays(), connectDatabase(), CreateWalDirectoryMethod(), CreateWalTarMethod(), describeRoles(), dir_open_for_write(), findDependencyLoops(), flagInhIndexes(), get_parallel_object_list(), GetConnection(), getFuncs(), getTables(), InitArchiveFmt_Custom(), InitArchiveFmt_Directory(), InitArchiveFmt_Tar(), main(), NewRestoreOptions(), parallel_exec_prog(), parallel_transfer_all_new_dbs(), ParallelBackupStart(), parse_slash_copy(), print_aligned_text(), printTableAddCell(), printTableAddFooter(), printTableInit(), process_backslash_command(), ReadToc(), reindex_one_database(), setalarm(), SortTocFromFile(), StartLogStreamer(), tablespace_list_append(), tar_open_for_write(), tarOpen(), and TopoSort().

{
    return pg_malloc_internal(size, MCXT_ALLOC_ZERO);
}

pg_malloc_extended()

void* pg_malloc_extended	(	size_t	size,
		int	flags
	)

Definition at line 59 of file fe_memutils.c.

References pg_malloc_internal().

Referenced by do_kill(), do_lo_import(), and pg_log_generic_v().

{
    return pg_malloc_internal(size, flags);
}

pg_malloc_internal()

static void* pg_malloc_internal ( size_t  size, int  flags  )

inlinestatic

Definition at line 23 of file fe_memutils.c.

References _, EXIT_FAILURE, fprintf, malloc, MCXT_ALLOC_NO_OOM, MCXT_ALLOC_ZERO, and MemSet.

Referenced by palloc(), palloc0(), palloc_extended(), pg_malloc(), pg_malloc0(), and pg_malloc_extended().

{
    void       *tmp;

    /* Avoid unportable behavior of malloc(0) */
    if (size == 0)
        size = 1;
    tmp = malloc(size);
    if (tmp == NULL)
    {
        if ((flags & MCXT_ALLOC_NO_OOM) == 0)
        {
            fprintf(stderr, _("out of memory\n"));
            exit(EXIT_FAILURE);
        }
        return NULL;
    }

    if ((flags & MCXT_ALLOC_ZERO) != 0)
        MemSet(tmp, 0, size);
    return tmp;
}

pg_realloc()

void* pg_realloc	(	void *	ptr,
		size_t	size
	)

Definition at line 65 of file fe_memutils.c.

References _, EXIT_FAILURE, fprintf, and realloc.

Referenced by add_one_elt(), addObjectDependency(), AssignDumpId(), BuildArchiveDependencies(), datapagemap_add(), exec_command_set(), filemap_list_to_array(), findDumpableDependencies(), identify_locking_dependencies(), lookupCreateVariable(), main(), ParseScript(), read_file_contents(), readMessageFromPipe(), ReadToc(), repalloc(), replaceVariable(), and rewind_parseTimeLineHistory().

{
    void       *tmp;

    /* Avoid unportable behavior of realloc(NULL, 0) */
    if (ptr == NULL && size == 0)
        size = 1;
    tmp = realloc(ptr, size);
    if (!tmp)
    {
        fprintf(stderr, _("out of memory\n"));
        exit(EXIT_FAILURE);
    }
    return tmp;
}

pg_strdup()

char* pg_strdup

(

const char *

in

)

Definition at line 85 of file fe_memutils.c.

References _, EXIT_FAILURE, and fprintf.

Referenced by _allocAH(), _ArchiveEntry(), _becomeUser(), _check_database_version(), _connectDB(), _getObjectDescription(), _selectOutputSchema(), _selectTableAccessMethod(), _selectTablespace(), _tarGetHeader(), add_one_elt(), add_stringlist_item(), adjust_data_dir(), ArchiveEntry(), bool_substitute_hook(), check_locale_name(), check_required_directory(), CloneArchive(), comp_keyword_case_substitute_hook(), ConnectDatabase(), constructConnStr(), convertRegProcReference(), convertTSFunction(), create_script_for_old_cluster_deletion(), createBoundaryObjects(), CreateWalDirectoryMethod(), describeOneTableDetails(), describeRoles(), dir_open_for_write(), do_connect(), do_pset(), dumpAccessMethod(), dumpAttrDef(), dumpBaseType(), dumpCollation(), dumpCompositeType(), dumpConversion(), dumpDatabase(), dumpDomain(), dumpEnumType(), dumpEventTrigger(), dumpExtension(), dumpForeignDataWrapper(), dumpForeignServer(), dumpGroups(), dumpIndex(), dumpNamespace(), dumpOpclass(), dumpOpfamily(), dumpProcLang(), dumpPublication(), dumpRangeType(), dumpRule(), dumpSearchPath(), dumpSequence(), dumpStatisticsExt(), dumpSubscription(), dumpTable(), dumpTableConstraintComment(), dumpTableSchema(), dumpTablespaces(), dumpTrigger(), dumpTSConfig(), dumpTSDictionary(), dumpTSParser(), dumpTSTemplate(), dumpUndefinedType(), echo_substitute_hook(), encodingid_to_string(), exec_command_g(), exec_command_gset(), exec_command_set(), fetch_count_substitute_hook(), find_matching_ts_config(), fix_path_separator(), flagInhAttrs(), flagInhIndexes(), format_numeric_locale(), get_canonical_locale_name(), get_comma_elts(), get_control_data(), get_db_infos(), get_id(), get_language_name(), get_loadable_libraries(), get_opts(), get_prompt(), get_rel_infos(), get_restricted_token(), get_sock_dir(), get_su_pwd(), get_synchronized_snapshot(), get_tablespace_paths(), get_user_info(), getAccessMethods(), getAggregates(), getBlobs(), getCollations(), getConstraints(), getConversions(), getDefaultACLs(), getDomainConstraints(), getEventTriggers(), getExtendedStatistics(), getExtensions(), getForeignDataWrappers(), getForeignServers(), getFormattedTypeName(), getFuncs(), getIndexes(), getNamespaces(), getOpclasses(), getOperators(), getOpfamilies(), getPolicies(), getProcLangs(), getPublications(), getPublicationTables(), getRules(), gets_fromFile(), getSubscriptions(), getTableAttrs(), getTables(), getTriggers(), getTSConfigurations(), getTSDictionaries(), getTSParsers(), getTSTemplates(), getTypes(), getVariable(), handle_args(), histcontrol_substitute_hook(), histsize_substitute_hook(), identify_target_directory(), ignoreeof_substitute_hook(), initializeInput(), load_resultmap(), locale_date_order(), lookupCreateVariable(), main(), MainLoop(), makeAlterConfigCommand(), open_result_files(), parallel_exec_prog(), parallel_transfer_all_new_dbs(), parse_psql_options(), parse_slash_copy(), parseAclItem(), parseCommandLine(), parseQuery(), ParseScript(), parseScriptWeight(), pg_send_history(), postprocess_sql_command(), printTableAddFooter(), printTableSetFooter(), process_backslash_command(), process_source_file(), process_target_file(), processEncodingEntry(), processExtensionTables(), processSearchPathEntry(), prompt_for_password(), psql_get_variable(), pstrdup(), putVariable(), read_post_opts(), readfile(), regression_main(), replace_string(), RestoreArchive(), run_schedule(), run_simple_query(), RunIdentifySystem(), sanitize_line(), sendCommand(), set_info_version(), set_tablespace_directory_suffix(), setDecimalLocale(), setup(), setup_config(), setup_connection(), setup_pgdata(), SetVariable(), SetVariableHooks(), show_context_substitute_hook(), simple_action_list_append(), split_path(), split_to_stringlist(), splitTableColumnsSpec(), stop_postmaster(), tar_open_for_write(), tarOpen(), try_complete_step(), and verbosity_substitute_hook().

{
    char       *tmp;

    if (!in)
    {
        fprintf(stderr,
                _("cannot duplicate null pointer (internal error)\n"));
        exit(EXIT_FAILURE);
    }
    tmp = strdup(in);
    if (!tmp)
    {
        fprintf(stderr, _("out of memory\n"));
        exit(EXIT_FAILURE);
    }
    return tmp;
}

pstrdup()

char* pstrdup

(

const char *

in

)

Definition at line 140 of file fe_memutils.c.

References MemoryContextStrdup(), and pg_strdup().

Referenced by MemoryContextSwitchTo().

{
    return pg_strdup(in);
}

repalloc()

void* repalloc	(	void *	pointer,
		Size	size
	)

Definition at line 146 of file fe_memutils.c.

References AllocSizeIsValid, Assert, AssertNotInCriticalSection, elog, ereport, errcode(), errdetail(), errmsg(), ERROR, GetMemoryChunkContext(), MemoryContextData::isReset, MemoryContextStats(), MemoryContextData::methods, MemoryContextData::name, pg_realloc(), MemoryContextMethods::realloc, unlikely, and VALGRIND_MEMPOOL_CHANGE.

{
    return pg_realloc(pointer, size);
}