PostgreSQL Source Code  git master
fe_memutils.c File Reference
#include "postgres_fe.h"
Include dependency graph for fe_memutils.c:

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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)
 
char * pnstrdup (const char *in, Size size)
 
void * repalloc (void *pointer, Size size)
 

Function Documentation

◆ palloc()

void* palloc ( Size  size)

Definition at line 115 of file fe_memutils.c.

116 {
117  return pg_malloc_internal(size, 0);
118 }
static void * pg_malloc_internal(size_t size, int flags)
Definition: fe_memutils.c:23
static pg_noinline void Size size
Definition: slab.c:607

References pg_malloc_internal(), and size.

◆ palloc0()

void* palloc0 ( Size  size)

Definition at line 121 of file fe_memutils.c.

122 {
124 }
#define MCXT_ALLOC_ZERO
Definition: fe_memutils.h:18

References MCXT_ALLOC_ZERO, pg_malloc_internal(), and size.

◆ palloc_extended()

void* palloc_extended ( Size  size,
int  flags 
)

Definition at line 127 of file fe_memutils.c.

128 {
129  return pg_malloc_internal(size, flags);
130 }

References pg_malloc_internal(), and size.

◆ pfree()

void pfree ( void *  pointer)

Definition at line 133 of file fe_memutils.c.

134 {
135  pg_free(pointer);
136 }
void pg_free(void *ptr)
Definition: fe_memutils.c:105

References pg_free().

◆ pg_free()

void pg_free ( void *  ptr)

Definition at line 105 of file fe_memutils.c.

106 {
107  free(ptr);
108 }
#define free(a)
Definition: header.h:65

References free.

Referenced by advanceConnectionState(), append_depends_on_extension(), appendQualifiedRelation(), avlFree(), bool_substitute_hook(), calculate_totals(), check_exec(), close_walfile(), copy_file_blocks(), copyFile(), create_script_for_old_cluster_deletion(), datapagemap_print(), dir_close(), dir_free(), dir_open_for_write(), do_connect(), do_watch(), dumpFunc(), dumpRoleMembership(), EndCompressor(), FindStreamingStart(), free_command(), free_db_and_rel_infos(), free_rel_infos(), free_socket_set(), get_control_data(), get_loadable_libraries(), get_restricted_token(), getTimelineHistory(), icu_language_tag(), init_libpq_conn(), libpq_get_current_wal_insert_lsn(), listSchemas(), main(), make_rfile(), makeAlterConfigCommand(), open_walfile(), parallel_exec_prog(), parallel_transfer_all_new_dbs(), parseAclItem(), parseCommandLine(), parseQuery(), perform_rewind(), pfree(), printCrosstab(), PrintResultInCrosstab(), process_queued_fetch_requests(), rankSort(), readCommandResponse(), ReadHead(), readMessageFromPipe(), ReceiveXlogStream(), reconstruct_from_incremental_file(), reindex_one_database(), RestoreArchive(), run_schedule(), SendQuery(), setlocales(), SetVariable(), simple_oid_list_destroy(), simple_string_list_destroy(), SortTocFromFile(), tar_close(), tar_free(), tar_open_for_write(), transfer_all_new_dbs(), vacuum_one_database(), and WriteDataChunks().

◆ pg_malloc()

void* pg_malloc ( size_t  size)

Definition at line 47 of file fe_memutils.c.

48 {
49  return pg_malloc_internal(size, 0);
50 }

References pg_malloc_internal(), and size.

Referenced by _Clone(), _CustomReadFunc(), _PrintFileData(), _skipData(), add_one_elt(), add_stringlist_item(), ahprintf(), allocCStatePrepared(), ArchiveEntry(), archprintf(), avlInsertNode(), buildACLCommands(), BuildArchiveDependencies(), check_testspec(), CloneArchive(), collectComments(), collectRoleNames(), collectSecLabels(), conditional_stack_create(), conditional_stack_push(), copy_connection(), copy_file_blocks(), copyFile(), create_manifest_writer(), create_sql_command(), createBoundaryObjects(), CreateVariableSpace(), CreateWalTarMethod(), datapagemap_iterate(), decide_file_actions(), do_connect(), do_watch(), dumpTableData_insert(), escape_quotes_bki(), ExecuteSqlCommandBuf(), find_other_exec_or_die(), findDependencyLoops(), fix_dependencies(), format_numeric_locale(), gen_db_file_maps(), get_comma_elts(), get_loadable_libraries(), get_old_cluster_logical_slot_infos(), get_rel_infos(), get_tablespace_paths(), get_template0_info(), getAccessMethods(), getAggregates(), getCasts(), getCollations(), getConstraints(), getConversions(), getDefaultACLs(), getDomainConstraints(), getEventTriggers(), getExtendedStatistics(), getExtensions(), getForeignDataWrappers(), getForeignServers(), getFuncs(), getIndexes(), getInherits(), getLOs(), getNamespaces(), getOpclasses(), getOperators(), getOpfamilies(), getPolicies(), getProcLangs(), getPublicationNamespaces(), getPublications(), getPublicationTables(), getRules(), getSubscriptions(), getSubscriptionTables(), getTableAttrs(), getTimelineHistory(), getTransforms(), getTriggers(), getTSConfigurations(), getTSDictionaries(), getTSParsers(), getTSTemplates(), getTypes(), icu_language_tag(), identify_locking_dependencies(), InitArchiveFmt_Custom(), InitArchiveFmt_Directory(), InitArchiveFmt_Null(), InitArchiveFmt_Tar(), libpq_fetch_file(), listSchemas(), load_backup_manifest(), load_backup_manifests(), load_resultmap(), main(), makeTableDataInfo(), NewDumpOptions(), parallel_exec_prog(), parallel_transfer_all_new_dbs(), ParallelBackupStart(), parse_manifest_file(), ParseScript(), parseScriptWeight(), parseVariable(), pretty_wal_size(), print_aligned_text(), print_aligned_vertical(), printCrosstab(), PrintResultInCrosstab(), process_directory_recursively(), process_queued_fetch_requests(), pset_quoted_string(), quote_identifier(), quote_if_needed(), rankSort(), read_controlfile(), read_file_contents(), ReadDataFromArchiveNone(), readfile(), readMessageFromPipe(), ReadStr(), ReadToc(), reconstruct_from_incremental_file(), remember_to_cleanup_directory(), replace_token(), rewind_parseTimeLineHistory(), run_all_permutations(), run_permutation(), savePsetInfo(), setup_bin_paths(), SetVariable(), SetVariableHooks(), simple_oid_list_append(), simple_ptr_list_append(), simple_string_list_append(), slurpFile(), sortDumpableObjects(), SplitGUCList(), sql_exec(), sql_exec_searchtables(), strtokx(), tar_open_for_write(), tarPrintf(), TopoSort(), wait_for_tests(), WaitForTerminatingWorkers(), and WriteDataChunks().

◆ pg_malloc0()

void* pg_malloc0 ( size_t  size)

◆ pg_malloc_extended()

void* pg_malloc_extended ( size_t  size,
int  flags 
)

Definition at line 59 of file fe_memutils.c.

60 {
61  return pg_malloc_internal(size, flags);
62 }

References pg_malloc_internal(), and size.

Referenced by do_lo_import(), and pg_log_generic_v().

◆ pg_malloc_internal()

static void* pg_malloc_internal ( size_t  size,
int  flags 
)
inlinestatic

Definition at line 23 of file fe_memutils.c.

24 {
25  void *tmp;
26 
27  /* Avoid unportable behavior of malloc(0) */
28  if (size == 0)
29  size = 1;
30  tmp = malloc(size);
31  if (tmp == NULL)
32  {
33  if ((flags & MCXT_ALLOC_NO_OOM) == 0)
34  {
35  fprintf(stderr, _("out of memory\n"));
37  }
38  return NULL;
39  }
40 
41  if ((flags & MCXT_ALLOC_ZERO) != 0)
42  MemSet(tmp, 0, size);
43  return tmp;
44 }
#define MemSet(start, val, len)
Definition: c.h:1007
#define _(x)
Definition: elog.c:90
#define MCXT_ALLOC_NO_OOM
Definition: fe_memutils.h:17
#define malloc(a)
Definition: header.h:50
exit(1)
#define fprintf
Definition: port.h:242
#define EXIT_FAILURE
Definition: settings.h:167

References _, exit(), EXIT_FAILURE, fprintf, malloc, MCXT_ALLOC_NO_OOM, MCXT_ALLOC_ZERO, MemSet, and size.

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

◆ pg_realloc()

void* pg_realloc ( void *  ptr,
size_t  size 
)

Definition at line 65 of file fe_memutils.c.

66 {
67  void *tmp;
68 
69  /* Avoid unportable behavior of realloc(NULL, 0) */
70  if (ptr == NULL && size == 0)
71  size = 1;
72  tmp = realloc(ptr, size);
73  if (!tmp)
74  {
75  fprintf(stderr, _("out of memory\n"));
77  }
78  return tmp;
79 }
#define realloc(a, b)
Definition: header.h:60

References _, exit(), EXIT_FAILURE, fprintf, realloc, and size.

Referenced by add_one_elt(), BuildArchiveDependencies(), datapagemap_add(), enlargeVariables(), exec_command_set(), extend_pattern_info_array(), findDumpableDependencies(), icu_language_tag(), identify_locking_dependencies(), main(), ParseScript(), read_file_contents(), readfile(), readMessageFromPipe(), ReadToc(), repalloc(), replaceVariable(), and rewind_parseTimeLineHistory().

◆ pg_strdup()

char* pg_strdup ( const char *  in)

Definition at line 85 of file fe_memutils.c.

86 {
87  char *tmp;
88 
89  if (!in)
90  {
91  fprintf(stderr,
92  _("cannot duplicate null pointer (internal error)\n"));
94  }
95  tmp = strdup(in);
96  if (!tmp)
97  {
98  fprintf(stderr, _("out of memory\n"));
100  }
101  return tmp;
102 }

References _, exit(), EXIT_FAILURE, and fprintf.

Referenced by _allocAH(), _ArchiveEntry(), _becomeUser(), _check_database_version(), _getObjectDescription(), _selectOutputSchema(), _selectTableAccessMethod(), _selectTablespace(), _tarGetHeader(), add_one_elt(), add_stringlist_item(), adjust_data_dir(), append_depends_on_extension(), ArchiveEntry(), bool_substitute_hook(), check_locale_name(), check_required_directory(), CloneArchive(), collectComments(), collectRoleNames(), collectSecLabels(), comp_keyword_case_substitute_hook(), ConnectDatabase(), constructConnStr(), convertRegProcReference(), convertTSFunction(), create_script_for_old_cluster_deletion(), createBoundaryObjects(), CreateWalDirectoryMethod(), describeOneTableDetails(), describeRoles(), dir_open_for_write(), do_pset(), dumpAccessMethod(), dumpAttrDef(), dumpBaseType(), dumpCollation(), dumpCompositeType(), dumpConversion(), dumpDatabase(), dumpDomain(), dumpEnumType(), dumpEventTrigger(), dumpExtension(), dumpForeignDataWrapper(), dumpForeignServer(), dumpIndex(), dumpNamespace(), dumpOpclass(), dumpOpfamily(), dumpOptionsFromRestoreOptions(), dumpPolicy(), dumpProcLang(), dumpPublication(), dumpRangeType(), dumpRoleGUCPrivs(), dumpRule(), dumpSearchPath(), dumpSequence(), dumpStatisticsExt(), dumpSubscription(), dumpTable(), dumpTableConstraintComment(), dumpTableData(), dumpTableSchema(), dumpTablespaces(), dumpTrigger(), dumpTSConfig(), dumpTSDictionary(), dumpTSParser(), dumpTSTemplate(), dumpUndefinedType(), echo_substitute_hook(), encodingid_to_string(), exec_command_g(), exec_command_gset(), exec_command_password(), exec_command_set(), fetch_count_substitute_hook(), find_matching_ts_config(), fix_path_separator(), flagInhAttrs(), flagInhIndexes(), flagInhTables(), format_numeric_locale(), get_comma_elts(), get_control_data(), get_db_infos(), get_id(), get_language_name(), get_loadable_libraries(), get_old_cluster_logical_slot_infos(), get_opts(), get_rel_infos(), get_restricted_token(), get_sock_dir(), get_synchronized_snapshot(), get_tablespace_paths(), get_template0_info(), get_user_info(), getAccessMethods(), getAggregates(), getCollations(), getConstraints(), getConversions(), getDefaultACLs(), getDomainConstraints(), getEventTriggers(), getExtendedStatistics(), getExtensions(), getForeignDataWrappers(), getForeignServers(), getFormattedTypeName(), getFuncs(), getIndexes(), getLOs(), getNamespaces(), getOpclasses(), getOperators(), getOpfamilies(), getPolicies(), getProcLangs(), getPublications(), getPublicationTables(), getRules(), gets_fromFile(), getSubscriptions(), getSubscriptionTables(), getTableAttrs(), getTables(), getTriggers(), getTSConfigurations(), getTSDictionaries(), getTSParsers(), getTSTemplates(), getTypes(), getVariable(), handle_args(), histcontrol_substitute_hook(), histsize_substitute_hook(), identify_target_directory(), ignoreeof_substitute_hook(), InitDiscoverCompressFileHandle(), initializeInput(), insert_filehash_entry(), listSchemas(), 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(), progress_update_filename(), psql_get_variable(), pstrdup(), putVariable(), read_post_opts(), readfile(), ReconnectToServer(), regression_main(), RestoreArchive(), run_schedule(), run_simple_query(), RunIdentifySystem(), sanitize_line(), savePsetInfo(), search_directory(), sendCommand(), set_info_version(), set_locale_and_encoding(), setDecimalLocale(), setup(), setup_config(), setup_connection(), setup_pgdata(), SetVariable(), SetVariableHooks(), show_context_substitute_hook(), simple_action_list_append(), simple_prompt_extended(), split_path(), split_to_stringlist(), tar_open_for_write(), tarOpen(), and verbosity_substitute_hook().

◆ pnstrdup()

char* pnstrdup ( const char *  in,
Size  size 
)

Definition at line 145 of file fe_memutils.c.

146 {
147  char *tmp;
148  int len;
149 
150  if (!in)
151  {
152  fprintf(stderr,
153  _("cannot duplicate null pointer (internal error)\n"));
155  }
156 
157  len = strnlen(in, size);
158  tmp = malloc(len + 1);
159  if (tmp == NULL)
160  {
161  fprintf(stderr, _("out of memory\n"));
163  }
164 
165  memcpy(tmp, in, len);
166  tmp[len] = '\0';
167 
168  return tmp;
169 }
const void size_t len
size_t strnlen(const char *str, size_t maxlen)
Definition: strnlen.c:26

References _, exit(), EXIT_FAILURE, fprintf, len, malloc, size, and strnlen().

◆ pstrdup()

char* pstrdup ( const char *  in)

Definition at line 139 of file fe_memutils.c.

140 {
141  return pg_strdup(in);
142 }
char * pg_strdup(const char *in)
Definition: fe_memutils.c:85

References pg_strdup().

◆ repalloc()

void* repalloc ( void *  pointer,
Size  size 
)

Definition at line 172 of file fe_memutils.c.

173 {
174  return pg_realloc(pointer, size);
175 }
void * pg_realloc(void *ptr, size_t size)
Definition: fe_memutils.c:65

References pg_realloc(), and size.