X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/6838b41e3cd58738e5e73705c9cef5bef6e28885..9438e34a18209b9d8c49e08487ada02053c754dd:/handy.h diff --git a/handy.h b/handy.h index 352e458..248b685 100644 --- a/handy.h +++ b/handy.h @@ -173,12 +173,11 @@ typedef I16TYPE I16; typedef U16TYPE U16; typedef I32TYPE I32; typedef U32TYPE U32; -#ifdef PERL_CORE -# ifdef HAS_QUAD + +#ifdef HAS_QUAD typedef I64TYPE I64; typedef U64TYPE U64; -# endif -#endif /* PERL_CORE */ +#endif /* INT64_C/UINT64_C are C99 from (so they will not be * available in strict C89 mode), but they are nice, so let's define @@ -205,8 +204,8 @@ typedef U64TYPE U64; # define PeRl_UINT64_C(c) CAT2(c,UI64) # endif # ifndef PeRl_INT64_C -# define PeRl_INT64_C(c) ((I64TYPE)(c)) /* last resort */ -# define PeRl_UINT64_C(c) ((U64TYPE)(c)) +# define PeRl_INT64_C(c) ((I64)(c)) /* last resort */ +# define PeRl_UINT64_C(c) ((U64)(c)) # endif /* In OS X the INT64_C/UINT64_C are defined with LL/ULL, which will * not fly with C89-pedantic gcc, so let's undefine them first so that @@ -275,6 +274,7 @@ typedef U64TYPE U64; #define TYPE_DIGITS(T) BIT_DIGITS(sizeof(T) * 8) #define TYPE_CHARS(T) (TYPE_DIGITS(T) + 2) /* sign, NUL */ +/* Unused by core; should be deprecated */ #define Ctl(ch) ((ch) & 037) /* This is a helper macro to avoid preprocessor issues, replaced by nothing @@ -448,6 +448,16 @@ Test two strings to see if they are equal. The C parameter indicates the number of bytes to compare. Returns true or false. (A wrapper for C). +=for apidoc Am|bool|memEQ|char* s1|char* s2|STRLEN len +Test two buffers (which may contain embedded C characters, to see if they +are equal. The C parameter indicates the number of bytes to compare. +Returns zero if equal, or non-zero if non-equal. + +=for apidoc Am|bool|memNE|char* s1|char* s2|STRLEN len +Test two buffers (which may contain embedded C characters, to see if they +are not equal. The C parameter indicates the number of bytes to compare. +Returns zero if non-equal, or non-zero if equal. + =cut */ @@ -543,8 +553,8 @@ Variant C is like C, but is defined on any UV. It returns the same as C for input code points less than 256, and returns the hard-coded, not-affected-by-locale, Unicode results for larger ones. -Variant C is like C, but the input is a pointer to a -(known to be well-formed) UTF-8 encoded string (C or C). The +Variant C is like C, but the input is a pointer +to a (known to be well-formed) UTF-8 encoded string (C or C). The classification of just the first (possibly multi-byte) character in the string is tested. @@ -650,9 +660,7 @@ C, and C. Returns a boolean indicating whether the specified character is a whitespace character. This is analogous to what C matches in a regular expression. Starting in Perl 5.18 -(experimentally), this also matches what C does. -("Experimentally" means that this change may be backed out in 5.22 if -field experience indicates that it was unwise.) Prior to 5.18, only the +this also matches what C does. Prior to 5.18, only the locale forms of this macro (the ones with C in their names) matched precisely what C does. In those releases, the only difference, in the non-locale variants, was that C did not match a vertical tab. @@ -664,10 +672,8 @@ C, and C. =for apidoc Am|bool|isPSXSPC|char ch (short for Posix Space) -Starting in 5.18, this is identical (experimentally) in all its forms to the -corresponding C macros. ("Experimentally" means that this change -may be backed out in 5.22 if field experience indicates that it -was unwise.) +Starting in 5.18, this is identical in all its forms to the +corresponding C macros. The locale forms of this macro are identical to their corresponding C forms in all Perl releases. In releases prior to 5.18, the non-locale forms differ from their C forms only in that the @@ -675,9 +681,8 @@ C forms don't match a Vertical Tab, and the C forms do. Otherwise they are identical. Thus this macro is analogous to what C matches in a regular expression. See the L for an explanation of -variants -C, C, C, C, C, -C, and C. +variants C, C, C, C, +C, C, and C. =for apidoc Am|bool|isUPPER|char ch Returns a boolean indicating whether the specified character is an @@ -805,8 +810,8 @@ ASCII uppercase character, that input character itself is returned. Variant C is equivalent. =for apidoc Am|U8|toLOWER_L1|U8 ch -Converts the specified Latin1 character to lowercase. The results are undefined if -the input doesn't fit in a byte. +Converts the specified Latin1 character to lowercase. The results are +undefined if the input doesn't fit in a byte. =for apidoc Am|U8|toLOWER_LC|U8 ch Converts the specified character to lowercase using the current locale's rules, @@ -832,16 +837,12 @@ The first code point of the lowercased version is returned The input character at C

is assumed to be well-formed. -=for apidoc Am|U8|toLOWER_LC|U8 ch -Converts the specified character to lowercase using the current locale's rules, -if possible; otherwise returns the input character itself. - =for apidoc Am|U8|toTITLE|U8 ch Converts the specified character to titlecase. If the input is anything but an ASCII lowercase character, that input character itself is returned. Variant -C is equivalent. (There is no C for the full Latin1 range, -as the full generality of L is needed there. Titlecase is not a -concept used in locale handling, so there is no functionality for that.) +C is equivalent. (There is no C for the full Latin1 +range, as the full generality of L is needed there. Titlecase is +not a concept used in locale handling, so there is no functionality for that.) =for apidoc Am|UV|toTITLE_uni|UV cp|U8* s|STRLEN* lenp Converts the Unicode code point C to its titlecase version, and @@ -893,21 +894,17 @@ patched there. The file as of this writing is cpan/Devel-PPPort/parts/inc/misc #ifdef EBCDIC # ifndef _ALL_SOURCE - /* This returns the wrong results on at least z/OS unless this is - * defined. */ + /* The native libc isascii() et.al. functions return the wrong results + * on at least z/OS unless this is defined. */ # error _ALL_SOURCE should probably be defined # endif - - /* We could be called without perl.h, in which case NATIVE_TO_ASCII() is - * likely not defined, and so we use the native function */ -# define isASCII(c) cBOOL(isascii(c)) #else + /* There is a simple definition of ASCII for ASCII platforms. But the + * EBCDIC one isn't so simple, so is defined using table look-up like the + * other macros below */ # define isASCII(c) ((WIDEST_UTYPE)(c) < 128) #endif -#define isASCII_A(c) isASCII(c) -#define isASCII_L1(c) isASCII(c) - /* The lower 3 bits in both the ASCII and EBCDIC representations of '0' are 0, * and the 8 possible permutations of those bits exactly comprise the 8 octal * digits */ @@ -946,27 +943,26 @@ patched there. The file as of this writing is cpan/Devel-PPPort/parts/inc/misc * useful to group these which have no members that match above Latin1, (or * above ASCII in the latter case) */ -# define _CC_SPACE 10 /* \s */ +# define _CC_SPACE 10 /* \s, [:space:] */ # define _CC_BLANK 11 /* [:blank:] */ # define _CC_XDIGIT 12 /* [:xdigit:] */ -# define _CC_PSXSPC 13 /* [:space:] */ -# define _CC_CNTRL 14 /* [:cntrl:] */ -# define _CC_ASCII 15 /* [:ascii:] */ -# define _CC_VERTSPACE 16 /* \v */ +# define _CC_CNTRL 13 /* [:cntrl:] */ +# define _CC_ASCII 14 /* [:ascii:] */ +# define _CC_VERTSPACE 15 /* \v */ # define _HIGHEST_REGCOMP_DOT_H_SYNC _CC_VERTSPACE /* The members of the third group below do not need to be coordinated with data * structures in regcomp.[ch] and regexec.c. */ -# define _CC_IDFIRST 17 -# define _CC_CHARNAME_CONT 18 -# define _CC_NONLATIN1_FOLD 19 -# define _CC_NONLATIN1_SIMPLE_FOLD 20 -# define _CC_QUOTEMETA 21 -# define _CC_NON_FINAL_FOLD 22 -# define _CC_IS_IN_SOME_FOLD 23 -# define _CC_MNEMONIC_CNTRL 24 -/* Unused: 25-31 +# define _CC_IDFIRST 16 +# define _CC_CHARNAME_CONT 17 +# define _CC_NONLATIN1_FOLD 18 +# define _CC_NONLATIN1_SIMPLE_FOLD 19 +# define _CC_QUOTEMETA 20 +# define _CC_NON_FINAL_FOLD 21 +# define _CC_IS_IN_SOME_FOLD 22 +# define _CC_MNEMONIC_CNTRL 23 +/* Unused: 24-31 * If more bits are needed, one could add a second word for non-64bit * QUAD_IS_INT systems, using some #ifdefs to distinguish between having a 2nd * word or not. The IS_IN_SOME_FOLD bit is the most easily expendable, as it @@ -989,7 +985,6 @@ typedef enum { _CC_ENUM_GRAPH = _CC_GRAPH, _CC_ENUM_LOWER = _CC_LOWER, _CC_ENUM_PRINT = _CC_PRINT, - _CC_ENUM_PSXSPC = _CC_PSXSPC, _CC_ENUM_PUNCT = _CC_PUNCT, _CC_ENUM_SPACE = _CC_SPACE, _CC_ENUM_UPPER = _CC_UPPER, @@ -1002,7 +997,9 @@ typedef enum { #define POSIX_SWASH_COUNT _FIRST_NON_SWASH_CC #define POSIX_CC_COUNT (_HIGHEST_REGCOMP_DOT_H_SYNC + 1) -#if defined(PERL_IN_UTF8_C) || defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C) +#if defined(PERL_IN_UTF8_C) \ + || defined(PERL_IN_REGCOMP_C) \ + || defined(PERL_IN_REGEXEC_C) # if _CC_WORDCHAR != 0 || _CC_DIGIT != 1 || _CC_ALPHA != 2 || _CC_LOWER != 3 \ || _CC_UPPER != 4 || _CC_PUNCT != 5 || _CC_PRINT != 6 \ || _CC_ALPHANUMERIC != 7 || _CC_GRAPH != 8 || _CC_CASED != 9 @@ -1027,6 +1024,7 @@ static const char* const swash_property_names[] = { }; #endif +START_EXTERN_C # ifdef DOINIT EXTCONST U32 PL_charclass[] = { # include "l1_char_class_tab.h" @@ -1035,6 +1033,7 @@ EXTCONST U32 PL_charclass[] = { # else /* ! DOINIT */ EXTCONST U32 PL_charclass[]; # endif +END_EXTERN_C /* The 1U keeps Solaris from griping when shifting sets the uppermost bit */ # define _CC_mask(classnum) (1U << (classnum)) @@ -1051,9 +1050,9 @@ EXTCONST U32 PL_charclass[]; /* For internal core Perl use only: the base macro for defining macros like * isALPHA_A. The foo_A version makes sure that both the desired bit and * the ASCII bit are present */ -# define _generic_isCC_A(c, classnum) (FITS_IN_8_BITS(c) \ - && ((PL_charclass[(U8) (c)] & _CC_mask_A(classnum)) \ - == _CC_mask_A(classnum))) +# define _generic_isCC_A(c, classnum) (FITS_IN_8_BITS(c) \ + && ((PL_charclass[(U8) (c)] & _CC_mask_A(classnum)) \ + == _CC_mask_A(classnum))) # define isALPHA_A(c) _generic_isCC_A(c, _CC_ALPHA) # define isALPHANUMERIC_A(c) _generic_isCC_A(c, _CC_ALPHANUMERIC) @@ -1063,12 +1062,12 @@ EXTCONST U32 PL_charclass[]; # define isGRAPH_A(c) _generic_isCC_A(c, _CC_GRAPH) # define isLOWER_A(c) _generic_isCC_A(c, _CC_LOWER) # define isPRINT_A(c) _generic_isCC_A(c, _CC_PRINT) -# define isPSXSPC_A(c) _generic_isCC_A(c, _CC_PSXSPC) # define isPUNCT_A(c) _generic_isCC_A(c, _CC_PUNCT) # define isSPACE_A(c) _generic_isCC_A(c, _CC_SPACE) # define isUPPER_A(c) _generic_isCC_A(c, _CC_UPPER) # define isWORDCHAR_A(c) _generic_isCC_A(c, _CC_WORDCHAR) -# define isXDIGIT_A(c) _generic_isCC(c, _CC_XDIGIT) /* No non-ASCII xdigits */ +# define isXDIGIT_A(c) _generic_isCC(c, _CC_XDIGIT) /* No non-ASCII xdigits + */ # define isIDFIRST_A(c) _generic_isCC_A(c, _CC_IDFIRST) # define isALPHA_L1(c) _generic_isCC(c, _CC_ALPHA) # define isALPHANUMERIC_L1(c) _generic_isCC(c, _CC_ALPHANUMERIC) @@ -1081,13 +1080,17 @@ EXTCONST U32 PL_charclass[]; # define isGRAPH_L1(c) _generic_isCC(c, _CC_GRAPH) # define isLOWER_L1(c) _generic_isCC(c, _CC_LOWER) # define isPRINT_L1(c) _generic_isCC(c, _CC_PRINT) -# define isPSXSPC_L1(c) _generic_isCC(c, _CC_PSXSPC) +# define isPSXSPC_L1(c) isSPACE_L1(c) # define isPUNCT_L1(c) _generic_isCC(c, _CC_PUNCT) # define isSPACE_L1(c) _generic_isCC(c, _CC_SPACE) # define isUPPER_L1(c) _generic_isCC(c, _CC_UPPER) # define isWORDCHAR_L1(c) _generic_isCC(c, _CC_WORDCHAR) # define isIDFIRST_L1(c) _generic_isCC(c, _CC_IDFIRST) +# ifdef EBCDIC +# define isASCII(c) _generic_isCC(c, _CC_ASCII) +# endif + /* Participates in a single-character fold with a character above 255 */ # define _HAS_NONLATIN1_SIMPLE_FOLD_CLOSURE_ONLY_FOR_USE_BY_REGCOMP_DOT_C_AND_REGEXEC_DOT_C(c) ((! cBOOL(FITS_IN_8_BITS(c))) || (PL_charclass[(U8) (c)] & _CC_mask(_CC_NONLATIN1_SIMPLE_FOLD))) @@ -1096,49 +1099,100 @@ EXTCONST U32 PL_charclass[]; # define _isQUOTEMETA(c) _generic_isCC(c, _CC_QUOTEMETA) # define _IS_NON_FINAL_FOLD_ONLY_FOR_USE_BY_REGCOMP_DOT_C(c) \ - _generic_isCC(c, _CC_NON_FINAL_FOLD) + _generic_isCC(c, _CC_NON_FINAL_FOLD) # define _IS_IN_SOME_FOLD_ONLY_FOR_USE_BY_REGCOMP_DOT_C(c) \ - _generic_isCC(c, _CC_IS_IN_SOME_FOLD) + _generic_isCC(c, _CC_IS_IN_SOME_FOLD) # define _IS_MNEMONIC_CNTRL_ONLY_FOR_USE_BY_REGCOMP_DOT_C(c) \ _generic_isCC(c, _CC_MNEMONIC_CNTRL) #else /* else we don't have perl.h H_PERL */ /* If we don't have perl.h, we are compiling a utility program. Below we * hard-code various macro definitions that wouldn't otherwise be available - * to it. */ -# ifdef EBCDIC - /* Use the native functions. They likely will return false for all - * non-ASCII values, but this makes sure */ -# define isLOWER_A(c) (isASCII(c) && islower(c)) -# define isPRINT_A(c) (isASCII(c) && isprint(c)) -# define isUPPER_A(c) (isASCII(c) && isupper(c)) -# else /* ASCII platform. These are coded based on first principals */ + * to it. Most are coded based on first principals. First some ones common + * to both ASCII and EBCDIC */ +# define isDIGIT_A(c) ((c) <= '9' && (c) >= '0') +# define isBLANK_A(c) ((c) == ' ' || (c) == '\t') +# define isSPACE_A(c) (isBLANK_A(c) \ + || (c) == '\n' \ + || (c) == '\r' \ + || (c) == '\v' \ + || (c) == '\f') +# ifdef EBCDIC /* There are gaps between 'i' and 'j'; 'r' and 's'. Same + for uppercase. This is ordered to exclude most things + early */ +# define isLOWER_A(c) ((c) >= 'a' && (c) <= 'z' \ + && ((c) <= 'i' \ + || ((c) >= 'j' && (c) <= 'r') \ + || (c) >= 's')) +# define isUPPER_A(c) ((c) >= 'A' && (c) <= 'Z' \ + && ((c) <= 'I' \ + || ((c) >= 'J' && (c) <= 'R') \ + || (c) >= 'S')) +# else /* ASCII platform. */ # define isLOWER_A(c) ((c) >= 'a' && (c) <= 'z') -# define isPRINT_A(c) (((c) >= 32 && (c) < 127)) # define isUPPER_A(c) ((c) <= 'Z' && (c) >= 'A') -# endif /* Below are common definitions for ASCII and non-ASCII */ +# endif + + /* Some more ASCII, non-ASCII common definitions */ # define isALPHA_A(c) (isUPPER_A(c) || isLOWER_A(c)) # define isALPHANUMERIC_A(c) (isALPHA_A(c) || isDIGIT_A(c)) -# define isBLANK_A(c) ((c) == ' ' || (c) == '\t') -# define isCNTRL_A(c) (isASCII(c) && (! isPRINT_A(c))) -# define isDIGIT_A(c) ((c) <= '9' && (c) >= '0') -# define isGRAPH_A(c) (isPRINT_A(c) && (c) != ' ') -# define isIDFIRST_A(c) (isALPHA_A(c) || (c) == '_') -# define isPUNCT_A(c) (isGRAPH_A(c) && (! isALPHANUMERIC_A(c))) -# define isSPACE_A(c) ((c) == ' ' \ - || (c) == '\t' \ - || (c) == '\n' \ - || (c) == '\r' \ - || (c) == '\v' \ - || (c) == '\f') # define isWORDCHAR_A(c) (isALPHANUMERIC_A(c) || (c) == '_') -# define isXDIGIT_A(c) (isDIGIT_A(c) \ - || ((c) >= 'a' && (c) <= 'f') \ +# define isIDFIRST_A(c) (isALPHA_A(c) || (c) == '_') +# define isXDIGIT_A(c) (isDIGIT_A(c) \ + || ((c) >= 'a' && (c) <= 'f') \ || ((c) <= 'F' && (c) >= 'A')) +# ifdef EBCDIC +# define isPUNCT_A(c) ((c) == '-' || (c) == '!' || (c) == '"' \ + || (c) == '#' || (c) == '$' || (c) == '%' \ + || (c) == '&' || (c) == '\'' || (c) == '(' \ + || (c) == ')' || (c) == '*' || (c) == '+' \ + || (c) == ',' || (c) == '.' || (c) == '/' \ + || (c) == ':' || (c) == ';' || (c) == '<' \ + || (c) == '=' || (c) == '>' || (c) == '?' \ + || (c) == '@' || (c) == '[' || (c) == '\\' \ + || (c) == ']' || (c) == '^' || (c) == '_' \ + || (c) == '`' || (c) == '{' || (c) == '|' \ + || (c) == '}' || (c) == '~') +# define isGRAPH_A(c) (isALPHANUMERIC_A(c) || isPUNCT_A(c)) +# define isPRINT_A(c) (isGRAPH_A(c) || (c) == ' ') + +# ifdef QUESTION_MARK_CTRL +# define _isQMC(c) ((c) == QUESTION_MARK_CTRL) +# else +# define _isQMC(c) 0 +# endif + + /* I (khw) can't think of a way to define all the ASCII controls + * without resorting to a libc (locale-sensitive) call. But we know + * that all controls but the question-mark one are in the range 0-0x3f. + * This makes sure that all the controls that have names are included, + * and all controls that are also considered ASCII in the locale. This + * may include more or fewer than what it actually should, but the + * wrong ones are less-important controls, so likely won't impact + * things (keep in mind that this is compiled only if perl.h isn't + * available). The question mark control is included if available */ +# define isCNTRL_A(c) (((c) < 0x40 && isascii(c)) \ + || (c) == '\0' || (c) == '\a' || (c) == '\b' \ + || (c) == '\f' || (c) == '\n' || (c) == '\r' \ + || (c) == '\t' || (c) == '\v' || _isQMC(c)) + +# define isASCII(c) (isCNTRL_A(c) || isPRINT_A(c)) +# else /* ASCII platform; things are simpler, and isASCII has already + been defined */ +# define isGRAPH_A(c) (((c) > ' ' && (c) < 127)) +# define isPRINT_A(c) (isGRAPH_A(c) || (c) == ' ') +# define isPUNCT_A(c) (isGRAPH_A(c) && (! isALPHANUMERIC_A(c))) +# define isCNTRL_A(c) (isASCII(c) && (! isPRINT_A(c))) +# endif + /* The _L1 macros may be unnecessary for the utilities; I (khw) added them - * during debugging, and it seems best to keep them. */ -# define isPSXSPC_A(c) isSPACE_A(c) /* XXX Assumes SPACE matches '\v' */ + * during debugging, and it seems best to keep them. We may be called + * without NATIVE_TO_LATIN1 being defined. On ASCII platforms, it doesn't + * do anything anyway, so make it not a problem */ +# if ! defined(EBCDIC) && ! defined(NATIVE_TO_LATIN1) +# define NATIVE_TO_LATIN1(ch) (ch) +# endif # define isALPHA_L1(c) (isUPPER_L1(c) || isLOWER_L1(c)) # define isALPHANUMERIC_L1(c) (isALPHA_L1(c) || isDIGIT_A(c)) # define isBLANK_L1(c) (isBLANK_A(c) \ @@ -1156,7 +1210,6 @@ EXTCONST U32 PL_charclass[]; # define isPRINT_L1(c) (isPRINT_A(c) \ || (FITS_IN_8_BITS(c) \ && NATIVE_TO_LATIN1((U8) c) >= 0xA0)) -# define isPSXSPC_L1(c) isSPACE_L1(c) # define isPUNCT_L1(c) (isPUNCT_A(c) \ || (FITS_IN_8_BITS(c) \ && (NATIVE_TO_LATIN1((U8) c) == 0xA1 \ @@ -1209,6 +1262,8 @@ EXTCONST U32 PL_charclass[]; #define isALPHANUMERIC(c) isALPHANUMERIC_A(c) #define isALPHA(c) isALPHA_A(c) +#define isASCII_A(c) isASCII(c) +#define isASCII_L1(c) isASCII(c) #define isBLANK(c) isBLANK_A(c) #define isCNTRL(c) isCNTRL_A(c) #define isDIGIT(c) isDIGIT_A(c) @@ -1216,7 +1271,9 @@ EXTCONST U32 PL_charclass[]; #define isIDFIRST(c) isIDFIRST_A(c) #define isLOWER(c) isLOWER_A(c) #define isPRINT(c) isPRINT_A(c) +#define isPSXSPC_A(c) isSPACE_A(c) #define isPSXSPC(c) isPSXSPC_A(c) +#define isPSXSPC_L1(c) isSPACE_L1(c) #define isPUNCT(c) isPUNCT_A(c) #define isSPACE(c) isSPACE_A(c) #define isUPPER(c) isUPPER_A(c) @@ -1296,7 +1353,7 @@ EXTCONST U32 PL_charclass[]; ? (c) \ : (IN_UTF8_CTYPE_LOCALE) \ ? PL_latin1_lc[ (U8) (c) ] \ - : function((cast)(c))) + : (cast)function((cast)(c))) /* Note that the result can be larger than a byte in a UTF-8 locale. It * returns a single value, so can't adequately return the upper case of LATIN @@ -1307,7 +1364,7 @@ EXTCONST U32 PL_charclass[]; (! FITS_IN_8_BITS(c) \ ? (c) \ : ((! IN_UTF8_CTYPE_LOCALE) \ - ? function((cast)(c)) \ + ? (cast)function((cast)(c)) \ : ((((U8)(c)) == MICRO_SIGN) \ ? GREEK_CAPITAL_LETTER_MU \ : ((((U8)(c)) == LATIN_SMALL_LETTER_Y_WITH_DIAERESIS) \ @@ -1338,7 +1395,7 @@ EXTCONST U32 PL_charclass[]; #if defined(HAS_ISBLANK) # define isBLANK_LC(c) _generic_LC(c, _CC_BLANK, isblank) #else /* Unlike isASCII, varies if in a UTF-8 locale */ -# define isBLANK_LC(c) (IN_UTF8_CTYPE_LOCALE) ? isBLANK_L1(c) : isBLANK(c) +# define isBLANK_LC(c) ((IN_UTF8_CTYPE_LOCALE) ? isBLANK_L1(c) : isBLANK(c)) #endif #define _LC_CAST U8 @@ -1354,20 +1411,25 @@ EXTCONST U32 PL_charclass[]; * Not all possible weirdnesses are checked for, just the ones that were * detected on actual Microsoft code pages */ -# define isCNTRL_LC(c) _generic_LC(c, _CC_CNTRL, iscntrl) -# define isSPACE_LC(c) _generic_LC(c, _CC_SPACE, isspace) - -# define isALPHA_LC(c) (_generic_LC(c, _CC_ALPHA, isalpha) && isALPHANUMERIC_LC(c)) -# define isALPHANUMERIC_LC(c) (_generic_LC(c, _CC_ALPHANUMERIC, isalnum) && ! isPUNCT_LC(c)) -# define isDIGIT_LC(c) (_generic_LC(c, _CC_DIGIT, isdigit) && isALPHANUMERIC_LC(c)) -# define isGRAPH_LC(c) (_generic_LC(c, _CC_GRAPH, isgraph) && isPRINT_LC(c)) -# define isIDFIRST_LC(c) (((c) == '_') || (_generic_LC(c, _CC_IDFIRST, isalpha) && ! isPUNCT_LC(c))) -# define isLOWER_LC(c) (_generic_LC(c, _CC_LOWER, islower) && isALPHA_LC(c)) -# define isPRINT_LC(c) (_generic_LC(c, _CC_PRINT, isprint) && ! isCNTRL_LC(c)) -# define isPUNCT_LC(c) (_generic_LC(c, _CC_PUNCT, ispunct) && ! isCNTRL_LC(c)) -# define isUPPER_LC(c) (_generic_LC(c, _CC_UPPER, isupper) && isALPHA_LC(c)) +# define isCNTRL_LC(c) _generic_LC(c, _CC_CNTRL, iscntrl) +# define isSPACE_LC(c) _generic_LC(c, _CC_SPACE, isspace) + +# define isALPHA_LC(c) (_generic_LC(c, _CC_ALPHA, isalpha) \ + && isALPHANUMERIC_LC(c)) +# define isALPHANUMERIC_LC(c) (_generic_LC(c, _CC_ALPHANUMERIC, isalnum) && \ + ! isPUNCT_LC(c)) +# define isDIGIT_LC(c) (_generic_LC(c, _CC_DIGIT, isdigit) && \ + isALPHANUMERIC_LC(c)) +# define isGRAPH_LC(c) (_generic_LC(c, _CC_GRAPH, isgraph) && isPRINT_LC(c)) +# define isIDFIRST_LC(c) (((c) == '_') \ + || (_generic_LC(c, _CC_IDFIRST, isalpha) && ! isPUNCT_LC(c))) +# define isLOWER_LC(c) (_generic_LC(c, _CC_LOWER, islower) && isALPHA_LC(c)) +# define isPRINT_LC(c) (_generic_LC(c, _CC_PRINT, isprint) && ! isCNTRL_LC(c)) +# define isPUNCT_LC(c) (_generic_LC(c, _CC_PUNCT, ispunct) && ! isCNTRL_LC(c)) +# define isUPPER_LC(c) (_generic_LC(c, _CC_UPPER, isupper) && isALPHA_LC(c)) # define isWORDCHAR_LC(c) (((c) == '_') || isALPHANUMERIC_LC(c)) -# define isXDIGIT_LC(c) (_generic_LC(c, _CC_XDIGIT, isxdigit) && isALPHANUMERIC_LC(c)) +# define isXDIGIT_LC(c) (_generic_LC(c, _CC_XDIGIT, isxdigit) \ + && isALPHANUMERIC_LC(c)) # define toLOWER_LC(c) _generic_toLOWER_LC((c), tolower, U8) # define toUPPER_LC(c) _generic_toUPPER_LC((c), toupper, U8) @@ -1397,19 +1459,19 @@ EXTCONST U32 PL_charclass[]; #else /* The final fallback position */ -# define isALPHA_LC(c) (isascii(c) && isalpha(c)) -# define isALPHANUMERIC_LC(c) (isascii(c) && isalnum(c)) -# define isCNTRL_LC(c) (isascii(c) && iscntrl(c)) -# define isDIGIT_LC(c) (isascii(c) && isdigit(c)) -# define isGRAPH_LC(c) (isascii(c) && isgraph(c)) +# define isALPHA_LC(c) (isascii(c) && isalpha(c)) +# define isALPHANUMERIC_LC(c) (isascii(c) && isalnum(c)) +# define isCNTRL_LC(c) (isascii(c) && iscntrl(c)) +# define isDIGIT_LC(c) (isascii(c) && isdigit(c)) +# define isGRAPH_LC(c) (isascii(c) && isgraph(c)) # define isIDFIRST_LC(c) (isascii(c) && (isalpha(c) || (c) == '_')) -# define isLOWER_LC(c) (isascii(c) && islower(c)) -# define isPRINT_LC(c) (isascii(c) && isprint(c)) -# define isPUNCT_LC(c) (isascii(c) && ispunct(c)) -# define isSPACE_LC(c) (isascii(c) && isspace(c)) -# define isUPPER_LC(c) (isascii(c) && isupper(c)) +# define isLOWER_LC(c) (isascii(c) && islower(c)) +# define isPRINT_LC(c) (isascii(c) && isprint(c)) +# define isPUNCT_LC(c) (isascii(c) && ispunct(c)) +# define isSPACE_LC(c) (isascii(c) && isspace(c)) +# define isUPPER_LC(c) (isascii(c) && isupper(c)) # define isWORDCHAR_LC(c) (isascii(c) && (isalnum(c) || (c) == '_')) -# define isXDIGIT_LC(c) (isascii(c) && isxdigit(c)) +# define isXDIGIT_LC(c) (isascii(c) && isxdigit(c)) # define toLOWER_LC(c) (isascii(c) ? tolower(c) : (c)) # define toUPPER_LC(c) (isascii(c) ? toupper(c) : (c)) @@ -1455,11 +1517,10 @@ EXTCONST U32 PL_charclass[]; #define isLOWER_uni(c) _generic_swash_uni(_CC_LOWER, c) #define isPRINT_uni(c) _generic_swash_uni(_CC_PRINT, c) -/* Posix and regular space are identical above Latin1 */ -#define isPSXSPC_uni(c) _generic_uni(_CC_PSXSPC, is_XPERLSPACE_cp_high, c) - #define isPUNCT_uni(c) _generic_swash_uni(_CC_PUNCT, c) #define isSPACE_uni(c) _generic_uni(_CC_SPACE, is_XPERLSPACE_cp_high, c) +#define isPSXSPC_uni(c) isSPACE_uni(c) + #define isUPPER_uni(c) _generic_swash_uni(_CC_UPPER, c) #define isVERTWS_uni(c) _generic_uni(_CC_VERTSPACE, is_VERTWS_cp_high, c) #define isWORDCHAR_uni(c) _generic_swash_uni(_CC_WORDCHAR, c) @@ -1483,28 +1544,29 @@ EXTCONST U32 PL_charclass[]; #define isALPHA_LC_uvchr(c) _generic_LC_swash_uvchr(isALPHA_LC, _CC_ALPHA, c) #define isALPHANUMERIC_LC_uvchr(c) _generic_LC_swash_uvchr(isALPHANUMERIC_LC, \ _CC_ALPHANUMERIC, c) -#define isASCII_LC_uvchr(c) isASCII_LC(c) -#define isBLANK_LC_uvchr(c) _generic_LC_uvchr(isBLANK_LC, is_HORIZWS_cp_high, c) +#define isASCII_LC_uvchr(c) isASCII_LC(c) +#define isBLANK_LC_uvchr(c) _generic_LC_uvchr(isBLANK_LC, \ + is_HORIZWS_cp_high, c) #define isCNTRL_LC_uvchr(c) (c < 256 ? isCNTRL_LC(c) : 0) #define isDIGIT_LC_uvchr(c) _generic_LC_swash_uvchr(isDIGIT_LC, _CC_DIGIT, c) #define isGRAPH_LC_uvchr(c) _generic_LC_swash_uvchr(isGRAPH_LC, _CC_GRAPH, c) -#define isIDCONT_LC_uvchr(c) _generic_LC_uvchr(isIDCONT_LC, \ +#define isIDCONT_LC_uvchr(c) _generic_LC_uvchr(isIDCONT_LC, \ _is_uni_perl_idcont, c) -#define isIDFIRST_LC_uvchr(c) _generic_LC_uvchr(isIDFIRST_LC, \ +#define isIDFIRST_LC_uvchr(c) _generic_LC_uvchr(isIDFIRST_LC, \ _is_uni_perl_idstart, c) #define isLOWER_LC_uvchr(c) _generic_LC_swash_uvchr(isLOWER_LC, _CC_LOWER, c) #define isPRINT_LC_uvchr(c) _generic_LC_swash_uvchr(isPRINT_LC, _CC_PRINT, c) -#define isPSXSPC_LC_uvchr(c) isSPACE_LC_uvchr(c) /* space is identical to posix - space under locale */ +#define isPSXSPC_LC_uvchr(c) isSPACE_LC_uvchr(c) #define isPUNCT_LC_uvchr(c) _generic_LC_swash_uvchr(isPUNCT_LC, _CC_PUNCT, c) -#define isSPACE_LC_uvchr(c) _generic_LC_uvchr(isSPACE_LC, \ +#define isSPACE_LC_uvchr(c) _generic_LC_uvchr(isSPACE_LC, \ is_XPERLSPACE_cp_high, c) #define isUPPER_LC_uvchr(c) _generic_LC_swash_uvchr(isUPPER_LC, _CC_UPPER, c) -#define isWORDCHAR_LC_uvchr(c) _generic_LC_swash_uvchr(isWORDCHAR_LC, \ +#define isWORDCHAR_LC_uvchr(c) _generic_LC_swash_uvchr(isWORDCHAR_LC, \ _CC_WORDCHAR, c) -#define isXDIGIT_LC_uvchr(c) _generic_LC_uvchr(isXDIGIT_LC, is_XDIGIT_cp_high, c) +#define isXDIGIT_LC_uvchr(c) _generic_LC_uvchr(isXDIGIT_LC, \ + is_XDIGIT_cp_high, c) -#define isBLANK_LC_uni(c) isBLANK_LC_uvchr(UNI_TO_NATIVE(c)) +#define isBLANK_LC_uni(c) isBLANK_LC_uvchr(UNI_TO_NATIVE(c)) /* For internal core Perl use only: the base macros for defining macros like * isALPHA_utf8. These are like the earlier defined macros, but take an input @@ -1521,8 +1583,8 @@ EXTCONST U32 PL_charclass[]; *((p)+1 )), \ classnum) \ : utf8) -/* Like the above, but calls 'above_latin1(p)' to get the utf8 value. 'above_latin1' - * can be a macro */ +/* Like the above, but calls 'above_latin1(p)' to get the utf8 value. + * 'above_latin1' can be a macro */ #define _generic_func_utf8(classnum, above_latin1, p) \ _generic_utf8(classnum, p, above_latin1(p)) /* Like the above, but passes classnum to _isFOO_utf8(), instead of having an @@ -1549,17 +1611,17 @@ EXTCONST U32 PL_charclass[]; * points; the regcharclass.h ones are implemented as a series of * "if-else-if-else ..." */ -#define isALPHA_utf8(p) _generic_swash_utf8(_CC_ALPHA, p) -#define isALPHANUMERIC_utf8(p) _generic_swash_utf8(_CC_ALPHANUMERIC, p) -#define isASCII_utf8(p) isASCII(*p) /* Because ASCII is invariant under +#define isALPHA_utf8(p) _generic_swash_utf8(_CC_ALPHA, p) +#define isALPHANUMERIC_utf8(p) _generic_swash_utf8(_CC_ALPHANUMERIC, p) +#define isASCII_utf8(p) isASCII(*p) /* Because ASCII is invariant under utf8, the non-utf8 macro works */ -#define isBLANK_utf8(p) _generic_func_utf8(_CC_BLANK, is_HORIZWS_high, p) +#define isBLANK_utf8(p) _generic_func_utf8(_CC_BLANK, is_HORIZWS_high, p) #ifdef EBCDIC /* Because all controls are UTF-8 invariants in EBCDIC, we can use this * more efficient macro instead of the more general one */ -# define isCNTRL_utf8(p) isCNTRL_L1(p) +# define isCNTRL_utf8(p) isCNTRL_L1(*(p)) #else # define isCNTRL_utf8(p) _generic_utf8(_CC_CNTRL, p, 0) #endif @@ -1576,21 +1638,18 @@ EXTCONST U32 PL_charclass[]; * ever wanted to know about. (In the ASCII range, there isn't a difference.) * This used to be not the XID version, but we decided to go with the more * modern Unicode definition */ -#define isIDFIRST_utf8(p) _generic_func_utf8(_CC_IDFIRST, \ +#define isIDFIRST_utf8(p) _generic_func_utf8(_CC_IDFIRST, \ _is_utf8_perl_idstart, p) -#define isLOWER_utf8(p) _generic_swash_utf8(_CC_LOWER, p) -#define isPRINT_utf8(p) _generic_swash_utf8(_CC_PRINT, p) - -/* Posix and regular space are identical above Latin1 */ -#define isPSXSPC_utf8(p) _generic_func_utf8(_CC_PSXSPC, is_XPERLSPACE_high, p) - -#define isPUNCT_utf8(p) _generic_swash_utf8(_CC_PUNCT, p) -#define isSPACE_utf8(p) _generic_func_utf8(_CC_SPACE, is_XPERLSPACE_high, p) -#define isUPPER_utf8(p) _generic_swash_utf8(_CC_UPPER, p) -#define isVERTWS_utf8(p) _generic_func_utf8(_CC_VERTSPACE, is_VERTWS_high, p) -#define isWORDCHAR_utf8(p) _generic_swash_utf8(_CC_WORDCHAR, p) -#define isXDIGIT_utf8(p) _generic_utf8_no_upper_latin1(_CC_XDIGIT, p, \ +#define isLOWER_utf8(p) _generic_swash_utf8(_CC_LOWER, p) +#define isPRINT_utf8(p) _generic_swash_utf8(_CC_PRINT, p) +#define isPSXSPC_utf8(p) isSPACE_utf8(p) +#define isPUNCT_utf8(p) _generic_swash_utf8(_CC_PUNCT, p) +#define isSPACE_utf8(p) _generic_func_utf8(_CC_SPACE, is_XPERLSPACE_high, p) +#define isUPPER_utf8(p) _generic_swash_utf8(_CC_UPPER, p) +#define isVERTWS_utf8(p) _generic_func_utf8(_CC_VERTSPACE, is_VERTWS_high, p) +#define isWORDCHAR_utf8(p) _generic_swash_utf8(_CC_WORDCHAR, p) +#define isXDIGIT_utf8(p) _generic_utf8_no_upper_latin1(_CC_XDIGIT, p, \ is_XDIGIT_high(p)) #define toFOLD_utf8(p,s,l) to_utf8_fold(p,s,l) @@ -1614,48 +1673,52 @@ EXTCONST U32 PL_charclass[]; #define _generic_LC_func_utf8(macro, above_latin1, p) \ _generic_LC_utf8(macro, p, above_latin1(p)) -#define isALPHANUMERIC_LC_utf8(p) _generic_LC_swash_utf8(isALPHANUMERIC_LC, \ +#define isALPHANUMERIC_LC_utf8(p) _generic_LC_swash_utf8(isALPHANUMERIC_LC, \ _CC_ALPHANUMERIC, p) -#define isALPHA_LC_utf8(p) _generic_LC_swash_utf8(isALPHA_LC, _CC_ALPHA, p) -#define isASCII_LC_utf8(p) isASCII_LC(*p) -#define isBLANK_LC_utf8(p) _generic_LC_func_utf8(isBLANK_LC, is_HORIZWS_high, p) -#define isCNTRL_LC_utf8(p) _generic_LC_utf8(isCNTRL_LC, p, 0) -#define isDIGIT_LC_utf8(p) _generic_LC_swash_utf8(isDIGIT_LC, _CC_DIGIT, p) -#define isGRAPH_LC_utf8(p) _generic_LC_swash_utf8(isGRAPH_LC, _CC_GRAPH, p) -#define isIDCONT_LC_utf8(p) _generic_LC_func_utf8(isIDCONT_LC, _is_utf8_perl_idcont, p) -#define isIDFIRST_LC_utf8(p) _generic_LC_func_utf8(isIDFIRST_LC, _is_utf8_perl_idstart, p) -#define isLOWER_LC_utf8(p) _generic_LC_swash_utf8(isLOWER_LC, _CC_LOWER, p) -#define isPRINT_LC_utf8(p) _generic_LC_swash_utf8(isPRINT_LC, _CC_PRINT, p) -#define isPSXSPC_LC_utf8(p) isSPACE_LC_utf8(p) /* space is identical to posix - space under locale */ -#define isPUNCT_LC_utf8(p) _generic_LC_swash_utf8(isPUNCT_LC, _CC_PUNCT, p) -#define isSPACE_LC_utf8(p) _generic_LC_func_utf8(isSPACE_LC, is_XPERLSPACE_high, p) -#define isUPPER_LC_utf8(p) _generic_LC_swash_utf8(isUPPER_LC, _CC_UPPER, p) +#define isALPHA_LC_utf8(p) _generic_LC_swash_utf8(isALPHA_LC, _CC_ALPHA, p) +#define isASCII_LC_utf8(p) isASCII_LC(*p) +#define isBLANK_LC_utf8(p) _generic_LC_func_utf8(isBLANK_LC, \ + is_HORIZWS_high, p) +#define isCNTRL_LC_utf8(p) _generic_LC_utf8(isCNTRL_LC, p, 0) +#define isDIGIT_LC_utf8(p) _generic_LC_swash_utf8(isDIGIT_LC, _CC_DIGIT, p) +#define isGRAPH_LC_utf8(p) _generic_LC_swash_utf8(isGRAPH_LC, _CC_GRAPH, p) +#define isIDCONT_LC_utf8(p) _generic_LC_func_utf8(isIDCONT_LC, \ + _is_utf8_perl_idcont, p) +#define isIDFIRST_LC_utf8(p) _generic_LC_func_utf8(isIDFIRST_LC, \ + _is_utf8_perl_idstart, p) +#define isLOWER_LC_utf8(p) _generic_LC_swash_utf8(isLOWER_LC, _CC_LOWER, p) +#define isPRINT_LC_utf8(p) _generic_LC_swash_utf8(isPRINT_LC, _CC_PRINT, p) +#define isPSXSPC_LC_utf8(p) isSPACE_LC_utf8(p) +#define isPUNCT_LC_utf8(p) _generic_LC_swash_utf8(isPUNCT_LC, _CC_PUNCT, p) +#define isSPACE_LC_utf8(p) _generic_LC_func_utf8(isSPACE_LC, \ + is_XPERLSPACE_high, p) +#define isUPPER_LC_utf8(p) _generic_LC_swash_utf8(isUPPER_LC, _CC_UPPER, p) #define isWORDCHAR_LC_utf8(p) _generic_LC_swash_utf8(isWORDCHAR_LC, \ _CC_WORDCHAR, p) -#define isXDIGIT_LC_utf8(p) _generic_LC_func_utf8(isXDIGIT_LC, is_XDIGIT_high, p) +#define isXDIGIT_LC_utf8(p) _generic_LC_func_utf8(isXDIGIT_LC, \ + is_XDIGIT_high, p) /* Macros for backwards compatibility and for completeness when the ASCII and * Latin1 values are identical */ -#define isALPHAU(c) isALPHA_L1(c) -#define isDIGIT_L1(c) isDIGIT_A(c) -#define isOCTAL(c) isOCTAL_A(c) -#define isOCTAL_L1(c) isOCTAL_A(c) -#define isXDIGIT_L1(c) isXDIGIT_A(c) -#define isALNUM(c) isWORDCHAR(c) -#define isALNUMU(c) isWORDCHAR_L1(c) -#define isALNUM_LC(c) isWORDCHAR_LC(c) -#define isALNUM_uni(c) isWORDCHAR_uni(c) +#define isALPHAU(c) isALPHA_L1(c) +#define isDIGIT_L1(c) isDIGIT_A(c) +#define isOCTAL(c) isOCTAL_A(c) +#define isOCTAL_L1(c) isOCTAL_A(c) +#define isXDIGIT_L1(c) isXDIGIT_A(c) +#define isALNUM(c) isWORDCHAR(c) +#define isALNUMU(c) isWORDCHAR_L1(c) +#define isALNUM_LC(c) isWORDCHAR_LC(c) +#define isALNUM_uni(c) isWORDCHAR_uni(c) #define isALNUM_LC_uvchr(c) isWORDCHAR_LC_uvchr(c) -#define isALNUM_utf8(p) isWORDCHAR_utf8(p) -#define isALNUM_LC_utf8(p) isWORDCHAR_LC_utf8(p) -#define isALNUMC_A(c) isALPHANUMERIC_A(c) /* Mnemonic: "C's alnum" */ -#define isALNUMC_L1(c) isALPHANUMERIC_L1(c) -#define isALNUMC(c) isALPHANUMERIC(c) -#define isALNUMC_LC(c) isALPHANUMERIC_LC(c) -#define isALNUMC_uni(c) isALPHANUMERIC_uni(c) +#define isALNUM_utf8(p) isWORDCHAR_utf8(p) +#define isALNUM_LC_utf8(p) isWORDCHAR_LC_utf8(p) +#define isALNUMC_A(c) isALPHANUMERIC_A(c) /* Mnemonic: "C's alnum" */ +#define isALNUMC_L1(c) isALPHANUMERIC_L1(c) +#define isALNUMC(c) isALPHANUMERIC(c) +#define isALNUMC_LC(c) isALPHANUMERIC_LC(c) +#define isALNUMC_uni(c) isALPHANUMERIC_uni(c) #define isALNUMC_LC_uvchr(c) isALPHANUMERIC_LC_uvchr(c) -#define isALNUMC_utf8(p) isALPHANUMERIC_utf8(p) +#define isALNUMC_utf8(p) isALPHANUMERIC_utf8(p) #define isALNUMC_LC_utf8(p) isALPHANUMERIC_LC_utf8(p) /* On EBCDIC platforms, CTRL-@ is 0, CTRL-A is 1, etc, just like on ASCII, @@ -1665,17 +1728,19 @@ EXTCONST U32 PL_charclass[]; * the outlier from the block that contains the other controls, just like * toCTRL('?') on ASCII yields DEL, the control that is the outlier from the C0 * block. If it weren't special cased, it would yield a non-control. - * The conversion works both ways, so CTRL('D') is 4, and CTRL(4) is D, etc. */ + * The conversion works both ways, so toCTRL('D') is 4, and toCTRL(4) is D, + * etc. */ #ifndef EBCDIC -# define toCTRL(c) (toUPPER(c) ^ 64) +# define toCTRL(c) (__ASSERT_(FITS_IN_8_BITS(c)) toUPPER(((U8)(c))) ^ 64) #else -# define toCTRL(c) ((isPRINT_A(c)) \ - ? UNLIKELY((c) == '?') \ - ? QUESTION_MARK_CTRL \ - : (NATIVE_TO_LATIN1(toUPPER(c)) ^ 64) \ - : UNLIKELY((c) == QUESTION_MARK_CTRL) \ - ? ((c) == '?') \ - : (LATIN1_TO_NATIVE((c) ^ 64))) +# define toCTRL(c) (__ASSERT_(FITS_IN_8_BITS(c)) \ + ((isPRINT_A(c)) \ + ? (UNLIKELY((c) == '?') \ + ? QUESTION_MARK_CTRL \ + : (NATIVE_TO_LATIN1(toUPPER((U8) (c))) ^ 64)) \ + : (UNLIKELY((c) == QUESTION_MARK_CTRL) \ + ? '?' \ + : (LATIN1_TO_NATIVE(((U8) (c)) ^ 64))))) #endif /* Line numbers are unsigned, 32 bits. */ @@ -1834,14 +1899,49 @@ PoisonWith(0xEF) for catching access to freed memory. #define MEM_SIZE_MAX ((MEM_SIZE)~0) -/* The +0.0 in MEM_WRAP_CHECK_ is an attempt to foil - * overly eager compilers that will bleat about e.g. - * (U16)n > (size_t)~0/sizeof(U16) always being false. */ + #ifdef PERL_MALLOC_WRAP -#define MEM_WRAP_CHECK(n,t) \ - (void)(UNLIKELY(sizeof(t) > 1 && ((MEM_SIZE)(n)+0.0) > MEM_SIZE_MAX/sizeof(t)) && (croak_memory_wrap(),0)) -#define MEM_WRAP_CHECK_1(n,t,a) \ - (void)(UNLIKELY(sizeof(t) > 1 && ((MEM_SIZE)(n)+0.0) > MEM_SIZE_MAX/sizeof(t)) && (Perl_croak_nocontext("%s",(a)),0)) + +/* This expression will be constant-folded at compile time. It checks + * whether or not the type of the count n is so small (e.g. U8 or U16, or + * U32 on 64-bit systems) that there's no way a wrap-around could occur. + * As well as avoiding the need for a run-time check in some cases, it's + * designed to avoid compiler warnings like: + * comparison is always false due to limited range of data type + */ + +# define _MEM_WRAP_NEEDS_RUNTIME_CHECK(n,t) \ + (sizeof(t) > ((MEM_SIZE)1 << 8*(sizeof(MEM_SIZE) - sizeof(n)))) + +/* This is written in a slightly odd way to avoid various spurious + * compiler warnings. We *want* to write the expression as + * _MEM_WRAP_NEEDS_RUNTIME_CHECK(n,t) && (n > C) + * (for some compile-time constant C), but even when the LHS + * constant-folds to false at compile-time, g++ insists on emitting + * warnings about the RHS (e.g. "comparison is always false"), so instead + * we write it as + * + * (cond ? n : X) > C + * + * where X is a constant with X > C always false. Choosing a value for X + * is tricky. If 0, some compilers will complain about 0 > C always being + * false; if 1, Coverity complains when n happens to be the constant value + * '1', that cond ? 1 : 1 has the same value on both branches; so use C + * for X and hope that nothing else whines. + */ + +# define _MEM_WRAP_WILL_WRAP(n,t) \ + ((_MEM_WRAP_NEEDS_RUNTIME_CHECK(n,t) ? (MEM_SIZE)(n) : \ + MEM_SIZE_MAX/sizeof(t)) > MEM_SIZE_MAX/sizeof(t)) + +# define MEM_WRAP_CHECK(n,t) \ + (void)(UNLIKELY(_MEM_WRAP_WILL_WRAP(n,t)) \ + && (croak_memory_wrap(),0)) + +# define MEM_WRAP_CHECK_1(n,t,a) \ + (void)(UNLIKELY(_MEM_WRAP_WILL_WRAP(n,t)) \ + && (Perl_croak_nocontext("%s",(a)),0)) + #define MEM_WRAP_CHECK_(n,t) MEM_WRAP_CHECK(n,t), #define PERL_STRLEN_ROUNDUP(n) ((void)(((n) > MEM_SIZE_MAX - 2 * PERL_STRLEN_ROUNDUP_QUANTUM) ? (croak_memory_wrap(),0):0),((n-1+PERL_STRLEN_ROUNDUP_QUANTUM)&~((MEM_SIZE)PERL_STRLEN_ROUNDUP_QUANTUM-1))) @@ -1889,11 +1989,11 @@ PoisonWith(0xEF) for catching access to freed memory. * - lots of ENV reads */ -PERL_EXPORT_C Malloc_t Perl_mem_log_alloc(const UV n, const UV typesize, const char *type_name, Malloc_t newalloc, const char *filename, const int linenumber, const char *funcname); +PERL_CALLCONV Malloc_t Perl_mem_log_alloc(const UV n, const UV typesize, const char *type_name, Malloc_t newalloc, const char *filename, const int linenumber, const char *funcname); -PERL_EXPORT_C Malloc_t Perl_mem_log_realloc(const UV n, const UV typesize, const char *type_name, Malloc_t oldalloc, Malloc_t newalloc, const char *filename, const int linenumber, const char *funcname); +PERL_CALLCONV Malloc_t Perl_mem_log_realloc(const UV n, const UV typesize, const char *type_name, Malloc_t oldalloc, Malloc_t newalloc, const char *filename, const int linenumber, const char *funcname); -PERL_EXPORT_C Malloc_t Perl_mem_log_free(Malloc_t oldalloc, const char *filename, const int linenumber, const char *funcname); +PERL_CALLCONV Malloc_t Perl_mem_log_free(Malloc_t oldalloc, const char *filename, const int linenumber, const char *funcname); # ifdef PERL_CORE # ifndef PERL_MEM_LOG_NOIMPL @@ -2023,7 +2123,8 @@ void Perl_mem_log_del_sv(const SV *sv, const char *filename, const int linenumbe shortcut macro defined without -DPERL_CORE. Neither codesearch.google.com nor CPAN::Unpack show any users outside the core. */ #ifdef PERL_CORE -# define deprecate(s) Perl_ck_warner_d(aTHX_ packWARN(WARN_DEPRECATED), "Use of " s " is deprecated") +# define deprecate(s) Perl_ck_warner_d(aTHX_ packWARN(WARN_DEPRECATED), \ + "Use of " s " is deprecated") #endif /* Internal macros to deal with gids and uids */ @@ -2060,11 +2161,5 @@ void Perl_mem_log_del_sv(const SV *sv, const char *filename, const int linenumbe #endif /* HANDY_H */ /* - * Local variables: - * c-indentation-style: bsd - * c-basic-offset: 4 - * indent-tabs-mode: nil - * End: - * * ex: set ts=8 sts=4 sw=4 et: */