[フレーム]

pgstrcasecmp.c File Reference

#include "c.h"
#include <ctype.h>

Include dependency graph for pgstrcasecmp.c:

Go to the source code of this file.

Functions

int pg_strcasecmp (const char *s1, const char *s2)

int pg_strncasecmp (const char *s1, const char *s2, size_t n)

unsigned char pg_toupper (unsigned char ch)

unsigned char pg_tolower (unsigned char ch)

unsigned char pg_ascii_toupper (unsigned char ch)

unsigned char pg_ascii_tolower (unsigned char ch)

Function Documentation

◆ pg_ascii_tolower()

unsigned char pg_ascii_tolower ( unsigned char ch )

Definition at line 146 of file pgstrcasecmp.c.

147{

148 if (ch >= 'A' && ch <= 'Z')

149 ch += 'a' - 'A';

150 return ch;

151}

Referenced by asc_initcap(), asc_tolower(), check_foreign_key(), GetDecimalFromHex(), inet_cidr_pton_ipv4(), pg_wc_tolower(), SB_lower_char(), seq_search_ascii(), tolower_libc_mb(), and tolower_libc_sb().

◆ pg_ascii_toupper()

unsigned char pg_ascii_toupper ( unsigned char ch )

Definition at line 135 of file pgstrcasecmp.c.

136{

137 if (ch >= 'a' && ch <= 'z')

138 ch += 'A' - 'a';

139 return ch;

140}

Referenced by asc_initcap(), asc_toupper(), filter_list_to_array(), pg_wc_toupper(), roman_to_int(), string2ean(), toupper_libc_mb(), and toupper_libc_sb().

◆ pg_strcasecmp()

int pg_strcasecmp ( const char * s1,

const char * s2

)

Definition at line 36 of file pgstrcasecmp.c.

37{

38 for (;;)

39 {

40 unsigned char ch1 = (unsigned char) *s1++;

41 unsigned char ch2 = (unsigned char) *s2++;

42

43 if (ch1 != ch2)

44 {

45 if (ch1 >= 'A' && ch1 <= 'Z')

46 ch1 += 'a' - 'A';

47 else if (IS_HIGHBIT_SET(ch1) && isupper(ch1))

48 ch1 = tolower(ch1);

49

50 if (ch2 >= 'A' && ch2 <= 'Z')

51 ch2 += 'a' - 'A';

52 else if (IS_HIGHBIT_SET(ch2) && isupper(ch2))

53 ch2 = tolower(ch2);

54

55 if (ch1 != ch2)

56 return (int) ch1 - (int) ch2;

57 }

58 if (ch1 == 0)

59 break;

60 }

61 return 0;

62}

IS_HIGHBIT_SET

#define IS_HIGHBIT_SET(ch)

Definition: c.h:1154

s1

char * s1

Definition: preproc-strings.c:46

s2

char * s2

Definition: preproc-strings.c:43

References IS_HIGHBIT_SET, s1, and s2.

Referenced by AlterSubscription(), AlterType(), appendPGArray(), array_out(), build_startup_packet(), check_createrole_self_grant(), check_datestyle(), check_debug_io_direct(), check_log_destination(), check_publications_origin(), check_restrict_nonsystem_relation_kind(), check_usermap(), check_wal_consistency_checking(), comp_keyword_case_hook(), config_enum_lookup_by_name(), convert_any_priv_string(), createdb(), defGetBoolean(), defGetCopyHeaderOption(), defGetCopyLogVerbosityChoice(), defGetCopyOnErrorChoice(), defGetGeneratedColsOption(), defGetStreamingMode(), defGetTypeLength(), DefineAggregate(), DefineCollation(), DefineType(), do_pset(), dumpSubscription(), echo_hidden_hook(), echo_hook(), evaluateSleep(), exec_command(), ExecVacuum(), expect_boolean_value(), find_matching_ts_config(), get_arg_by_name(), get_collation_actual_version_libc(), get_progname(), GetAttributeStorage(), GetCommandTagEnum(), getMetaCommand(), helpSQL(), histcontrol_hook(), hostname_match(), IsReservedOriginName(), locate_stem_module(), lookup_prop_name(), main(), makeVariableValue(), map_typename_pattern(), on_error_rollback_hook(), parse_basebackup_options(), parse_hstore(), parse_one_reloption(), parse_output_parameters(), parse_slash_copy(), parse_subscription_options(), parseArchiveFormat(), parseCommandLine(), parseNameAndArgTypes(), ParseVariableBool(), pg_checksum_parse_type(), pg_fe_sendauth(), pg_find_encoding(), pg_get_encoding_from_locale(), pg_size_bytes(), pg_stat_get_progress_info(), pgp_get_cipher_code(), pgp_get_digest_code(), pgstat_get_kind_from_str(), pgstat_register_kind(), PGTYPEStimestamp_defmt_scan(), plperl_trigger_handler(), plpgsql_extra_checks_check_hook(), PLy_exec_trigger(), pq_verify_peer_name_matches_certificate_name(), process_backslash_command(), prsd_headline(), px_gen_salt(), px_resolve_alias(), ReadArrayToken(), RegisterCustomRmgr(), show_context_hook(), splitTzLine(), ssl_protocol_version_to_openssl(), sslVerifyProtocolRange(), sslVerifyProtocolVersion(), stats_fill_fcinfo_from_arg_pairs(), SyncRepGetStandbyPriority(), unicode_norm_form_from_string(), validate_exec(), validate_log_connections_options(), variable_is_guc_list_quote(), verbosity_hook(), verify_heapam(), wildcard_certificate_match(), and xmlpi().

◆ pg_strncasecmp()

int pg_strncasecmp ( const char * s1,

const char * s2,

size_t n

)

Definition at line 69 of file pgstrcasecmp.c.

70{

71 while (n-- > 0)

72 {

73 unsigned char ch1 = (unsigned char) *s1++;

74 unsigned char ch2 = (unsigned char) *s2++;

75

76 if (ch1 != ch2)

77 {

78 if (ch1 >= 'A' && ch1 <= 'Z')

79 ch1 += 'a' - 'A';

80 else if (IS_HIGHBIT_SET(ch1) && isupper(ch1))

81 ch1 = tolower(ch1);

82

83 if (ch2 >= 'A' && ch2 <= 'Z')

84 ch2 += 'a' - 'A';

85 else if (IS_HIGHBIT_SET(ch2) && isupper(ch2))

86 ch2 = tolower(ch2);

87

88 if (ch1 != ch2)

89 return (int) ch1 - (int) ch2;

90 }

91 if (ch1 == 0)

92 break;

93 }

94 return 0;

95}

References IS_HIGHBIT_SET, s1, and s2.

Referenced by check_content_type(), check_datestyle(), check_for_device_flow(), check_special_value(), check_timezone(), checkKeyword(), command_no_begin(), do_pset(), float4in_internal(), float8in_internal(), get_collation_actual_version_libc(), helpSQL(), issuer_from_well_known_uri(), MainLoop(), makeVariableValue(), map_sql_identifier_to_xml_name(), multirange_in(), numeric_in(), parse_bool_with_len(), parse_jsonb_index_flags(), parse_or_operator(), ParseTzFile(), ParseVariableBool(), range_parse(), replace_guc_value(), scan_directory_ci(), set_unicode_line_style(), set_var_from_str(), SpecialTags(), and validate_token_format().

◆ pg_tolower()

unsigned char pg_tolower ( unsigned char ch )

Definition at line 122 of file pgstrcasecmp.c.

123{

124 if (ch >= 'A' && ch <= 'Z')

125 ch += 'a' - 'A';

126 else if (IS_HIGHBIT_SET(ch) && isupper(ch))

127 ch = tolower(ch);

128 return ch;

129}

References IS_HIGHBIT_SET.

Referenced by DecodeTimezoneAbbrevPrefix(), dequote_downcase_identifier(), dir_strcmp(), ParseDateTime(), patternToSQLRegex(), PGTYPESdate_defmt_asc(), PQfnumber(), SB_lower_char(), strlower_libc_sb(), strtitle_libc_sb(), and validateTzEntry().

◆ pg_toupper()

unsigned char pg_toupper ( unsigned char ch )

Definition at line 105 of file pgstrcasecmp.c.

106{

107 if (ch >= 'a' && ch <= 'z')

108 ch += 'A' - 'a';

109 else if (IS_HIGHBIT_SET(ch) && islower(ch))

110 ch = toupper(ch);

111 return ch;

112}

References IS_HIGHBIT_SET.

Referenced by cash_words(), DetermineTimeZoneAbbrevOffsetInternal(), pg_split_walfile_name(), pg_timezone_abbrevs_abbrevs(), pg_tzset(), strtitle_libc_sb(), strupper_libc_sb(), and TimeZoneAbbrevIsKnown().