[perl5.git] / util.h

/*    util.h
 *
 *    Copyright (C) 1991, 1992, 1993, 1999, 2001, 2002, 2003, 2004, 2005,
 *    2007, by Larry Wall and others
 *
 *    You may distribute under the terms of either the GNU General Public
 *    License or the Artistic License, as specified in the README file.
 *
 */

#ifndef PERL_UTIL_H_
#define PERL_UTIL_H_


#ifdef VMS
#  define PERL_FILE_IS_ABSOLUTE(f) \
	(*(f) == '/'							\
	 || (strchr(f,':')						\
	     || ((*(f) == '[' || *(f) == '<')				\
		 && (isWORDCHAR((f)[1]) || strchr("$-_]>",(f)[1])))))

#elif defined(WIN32) || defined(__CYGWIN__)
#  define PERL_FILE_IS_ABSOLUTE(f) \
	(*(f) == '/' || *(f) == '\\'		/* UNC/rooted path */	\
	 || ((f)[0] && (f)[1] == ':'))		/* drive name */
#elif defined(NETWARE)
#  define PERL_FILE_IS_ABSOLUTE(f) \
	(((f)[0] && (f)[1] == ':')		/* drive name */	\
	 || ((f)[0] == '\\' && (f)[1] == '\\')	/* UNC path */	\
	 ||	((f)[3] == ':'))				/* volume name, currently only sys */
#elif defined(DOSISH) || defined(__SYMBIAN32__)
#  define PERL_FILE_IS_ABSOLUTE(f) \
	(*(f) == '/'							\
	 || ((f)[0] && (f)[1] == ':'))		/* drive name */
#else	/* NEITHER DOSISH NOR SYMBIANISH */
#  define PERL_FILE_IS_ABSOLUTE(f)	(*(f) == '/')
#endif

/*
=head1 Miscellaneous Functions

=for apidoc ibcmp

This is a synonym for S<C<(! foldEQ())>>

=for apidoc ibcmp_locale

This is a synonym for S<C<(! foldEQ_locale())>>

=cut
*/
#define ibcmp(s1, s2, len)         cBOOL(! foldEQ(s1, s2, len))
#define ibcmp_locale(s1, s2, len)  cBOOL(! foldEQ_locale(s1, s2, len))

/* outside the core, perl.h undefs HAS_QUAD if IV isn't 64-bit
   We can't swap this to HAS_QUAD, because the logic here affects the type of
   perl_drand48_t below, and that is visible outside of the core.  */
#if defined(U64TYPE) && !defined(USING_MSVC6)
/* use a faster implementation when quads are available,
 * but not with VC6 on Windows */
#    define PERL_DRAND48_QUAD
#endif

#ifdef PERL_DRAND48_QUAD

/* U64 is only defined under PERL_CORE, but this needs to be visible
 * elsewhere so the definition of PerlInterpreter is complete.
 */
typedef U64TYPE perl_drand48_t;

#else

struct PERL_DRAND48_T {
    U16 seed[3];
};

typedef struct PERL_DRAND48_T perl_drand48_t;

#endif

#define PL_RANDOM_STATE_TYPE perl_drand48_t

#define Perl_drand48_init(seed) (Perl_drand48_init_r(&PL_random_state, (seed)))
#define Perl_drand48() (Perl_drand48_r(&PL_random_state))

#ifdef PERL_CORE
/* uses a different source of randomness to avoid interfering with the results
 * of rand() */
#define Perl_internal_drand48() (Perl_drand48_r(&PL_internal_random_state))
#endif

#ifdef USE_C_BACKTRACE

typedef struct {
    /* The number of frames returned. */
    UV frame_count;
    /* The total size of the Perl_c_backtrace, including this header,
     * the frames, and the name strings. */
    UV total_bytes;
} Perl_c_backtrace_header;

typedef struct {
    void*  addr;  /* the program counter at this frame */

    /* We could use Dl_info (as used by dladdr()) for many of these but
     * that would be naughty towards non-dlfcn systems (hi there, Win32). */

    void*  symbol_addr; /* symbol address (hint: try symbol_addr - addr) */
    void*  object_base_addr;   /* base address of the shared object */

    /* The offsets are from the beginning of the whole backtrace,
     * which makes the backtrace relocatable. */
    STRLEN object_name_offset; /* pathname of the shared object */
    STRLEN object_name_size;   /* length of the pathname */
    STRLEN symbol_name_offset; /* symbol name */
    STRLEN symbol_name_size;   /* length of the symbol name */
    STRLEN source_name_offset; /* source code file name */
    STRLEN source_name_size;   /* length of the source code file name */
    STRLEN source_line_number; /* source code line number */

    /* OS X notes: atos(1) (more recently, "xcrun atos"), but the C
     * API atos() uses is unknown (private "Symbolicator" framework,
     * might require Objective-C even if the API would be known).
     * Currently we open read pipe to "xcrun atos" and parse the
     * output - quite disgusting.  And that won't work if the
     * Developer Tools isn't installed. */

    /* FreeBSD notes: execinfo.h exists, but probably would need also
     * the library -lexecinfo.  BFD exists if the pkg devel/binutils
     * has been installed, but there seems to be a known problem that
     * the "bfd.h" getting installed refers to "ansidecl.h", which
     * doesn't get installed. */

    /* Win32 notes: as moral equivalents of backtrace() + dladdr(),
     * one could possibly first use GetCurrentProcess() +
     * SymInitialize(), and then CaptureStackBackTrace() +
     * SymFromAddr(). */

    /* Note that using the compiler optimizer easily leads into much
     * of this information, like the symbol names (think inlining),
     * and source code locations getting lost or confused.  In many
     * cases keeping the debug information (-g) is necessary.
     *
     * Note that for example with gcc you can do both -O and -g.
     *
     * Note, however, that on some platforms (e.g. OSX + clang (cc))
     * backtrace() + dladdr() works fine without -g. */

    /* For example: the mere presence of <bfd.h> is no guarantee: e.g.
     * OS X has that, but BFD does not seem to work on the OSX executables.
     *
     * Another niceness would be to able to see something about
     * the function arguments, however gdb/lldb manage to do that. */
} Perl_c_backtrace_frame;

typedef struct {
    Perl_c_backtrace_header header;
    Perl_c_backtrace_frame  frame_info[1];
    /* After the header come:
     * (1) header.frame_count frames
     * (2) frame_count times the \0-terminated strings (object_name
     * and so forth).  The frames contain the pointers to the starts
     * of these strings, and the lengths of these strings. */
} Perl_c_backtrace;

#define Perl_free_c_backtrace(bt) Safefree(bt)

#endif /* USE_C_BACKTRACE */

/* Use a packed 32 bit constant "key" to start the handshake. The key defines
   ABI compatibility, and how to process the vararg list.

   Note, some bits may be taken from INTRPSIZE (but then a simple x86 AX register
   can't be used to read it) and 4 bits from API version len can also be taken,
   since v00.00.00 is 9 bytes long. XS version length should not have any bits
   taken since XS_VERSION lengths can get quite long since they are user
   selectable. These spare bits allow for additional features for the varargs
   stuff or ABI compat test flags in the future.
*/
#define HSm_APIVERLEN 0x0000001F /* perl version string won't be more than 31 chars */
#define HS_APIVERLEN_MAX HSm_APIVERLEN
#define HSm_XSVERLEN 0x0000FF00 /* if 0, not present, dont check, die if over 255*/
#define HS_XSVERLEN_MAX 0xFF
/* uses var file to set default filename for newXS_deffile to use for CvFILE */
#define HSf_SETXSUBFN 0x00000020
#define HSf_POPMARK 0x00000040 /* popmark mode or you must supply ax and items */
#define HSf_IMP_CXT 0x00000080 /* ABI, threaded/PERL_IMPLICIT_CONTEXT, pTHX_ present */
#define HSm_INTRPSIZE 0xFFFF0000 /* ABI, interp struct size */
/* A mask of bits in the key which must always match between a XS mod and interp.
   Also if all ABI bits in a key are true, skip all ABI checks, it is very
   the unlikely interp size will all 1 bits */
/* Maybe HSm_APIVERLEN one day if Perl_xs_apiversion_bootcheck is changed to a memcmp */
#define HSm_KEY_MATCH (HSm_INTRPSIZE|HSf_IMP_CXT)
#define HSf_NOCHK HSm_KEY_MATCH  /* if all ABI bits are 1 in the key, dont chk */


#define HS_GETINTERPSIZE(key) ((key) >> 16)
/* if in the future "" and NULL must be separated, XSVERLEN would be 0
means arg not present, 1 is empty string/null byte */
/* (((key) & 0x0000FF00) >> 8) is less efficient on Visual C */
#define HS_GETXSVERLEN(key) ((key) >> 8 & 0xFF)
#define HS_GETAPIVERLEN(key) ((key) & HSm_APIVERLEN)

/* internal to util.h macro to create a packed handshake key, all args must be constants */
/* U32 return = (U16 interpsize, bool cxt, bool setxsubfn, bool popmark,
   U5 (FIVE!) apiverlen, U8 xsverlen) */
#define HS_KEYp(interpsize, cxt, setxsubfn, popmark, apiverlen, xsverlen) \
    (((interpsize)  << 16) \
    | ((xsverlen) > HS_XSVERLEN_MAX \
        ? (Perl_croak_nocontext("panic: handshake overflow"), HS_XSVERLEN_MAX) \
        : (xsverlen) << 8) \
    | (cBOOL(setxsubfn) ? HSf_SETXSUBFN : 0) \
    | (cBOOL(cxt) ? HSf_IMP_CXT : 0) \
    | (cBOOL(popmark) ? HSf_POPMARK : 0) \
    | ((apiverlen) > HS_APIVERLEN_MAX \
        ? (Perl_croak_nocontext("panic: handshake overflow"), HS_APIVERLEN_MAX) \
        : (apiverlen)))
/* overflows above will optimize away unless they will execute */

/* public macro for core usage to create a packed handshake key but this is
   not public API. This more friendly version already collected all ABI info */
/* U32 return = (bool setxsubfn, bool popmark, "litteral_string_api_ver",
   "litteral_string_xs_ver") */
#ifdef PERL_IMPLICIT_CONTEXT
#  define HS_KEY(setxsubfn, popmark, apiver, xsver) \
    HS_KEYp(sizeof(PerlInterpreter), TRUE, setxsubfn, popmark, \
    sizeof("" apiver "")-1, sizeof("" xsver "")-1)
#  define HS_CXT aTHX
#else
#  define HS_KEY(setxsubfn, popmark, apiver, xsver) \
    HS_KEYp(sizeof(struct PerlHandShakeInterpreter), FALSE, setxsubfn, popmark, \
    sizeof("" apiver "")-1, sizeof("" xsver "")-1)
#  define HS_CXT cv
#endif

#define instr(haystack, needle) strstr(haystack, needle)

#ifdef HAS_MEMMEM
#   define ninstr(big, bigend, little, lend)                                \
            ((char *) memmem((big), (bigend) - (big),                       \
                             (little), (lend) - (little)))
#endif

#ifdef __Lynx__
/* Missing proto on LynxOS */
int mkstemp(char*);
#endif

#if defined(HAS_MKOSTEMP) && defined(PERL_CORE)
#   define Perl_my_mkostemp(templte, flags) mkostemp(templte, flags)
#endif
#if defined(HAS_MKSTEMP) && defined(PERL_CORE)
#   define Perl_my_mkstemp(templte) mkstemp(templte)
#endif

#endif /* PERL_UTIL_H_ */

/*
 * ex: set ts=8 sts=4 sw=4 et:
 */
Commit	Line	Data
a0d0e21e	1	/* util.h
a687059c	2	*
663f364b NC	3	* Copyright (C) 1991, 1992, 1993, 1999, 2001, 2002, 2003, 2004, 2005,
663f364b NC	4	* 2007, by Larry Wall and others
a687059c	5	*
d48672a2 LW	6	* You may distribute under the terms of either the GNU General Public
d48672a2 LW	7	* License or the Artistic License, as specified in the README file.
8d063cd8	8	*
8d063cd8	9	*/
57843af0	10
28922db9 DM	11	#ifndef PERL_UTIL_H_
	12	#define PERL_UTIL_H_
	13
	14
57843af0 GS	15	#ifdef VMS
	16	# define PERL_FILE_IS_ABSOLUTE(f) \
	17	(*(f) == '/' \
	18	\|\| (strchr(f,':') \
	19	\|\| (((f) == '[' \|\| (f) == '<') \
0eb30aeb	20	&& (isWORDCHAR((f)[1]) \|\| strchr("$-_]>",(f)[1])))))
57843af0	21
d1f9b933 AC	22	#elif defined(WIN32) \|\| defined(__CYGWIN__)
d1f9b933 AC	23	# define PERL_FILE_IS_ABSOLUTE(f) \
f2ed23b0 GS	24	((f) == '/' \|\| (f) == '\\' /* UNC/rooted path */ \
f2ed23b0 GS	25	\|\| ((f)[0] && (f)[1] == ':')) /* drive name */
d1f9b933 AC	26	#elif defined(NETWARE)
d1f9b933 AC	27	# define PERL_FILE_IS_ABSOLUTE(f) \
2986a63f JH	28	(((f)[0] && (f)[1] == ':') /* drive name */ \
	29	\|\| ((f)[0] == '\\' && (f)[1] == '\\') /* UNC path */ \
	30	\|\| ((f)[3] == ':')) /* volume name, currently only sys */
d1f9b933 AC	31	#elif defined(DOSISH) \|\| defined(__SYMBIAN32__)
d1f9b933 AC	32	# define PERL_FILE_IS_ABSOLUTE(f) \
57843af0 GS	33	(*(f) == '/' \
57843af0 GS	34	\|\| ((f)[0] && (f)[1] == ':')) /* drive name */
d1f9b933 AC	35	#else /* NEITHER DOSISH NOR SYMBIANISH */
	36	# define PERL_FILE_IS_ABSOLUTE(f) (*(f) == '/')
	37	#endif
e9a8c099 MHM	38
e9a8c099 MHM	39	/*
dcccc8ff KW	40	=head1 Miscellaneous Functions
dcccc8ff KW	41
e6226b18 KW	42	=for apidoc ibcmp
e6226b18 KW	43
61b16eb9	44	This is a synonym for S<C<(! foldEQ())>>
e6226b18 KW	45
	46	=for apidoc ibcmp_locale
	47
61b16eb9	48	This is a synonym for S<C<(! foldEQ_locale())>>
e6226b18 KW	49
	50	=cut
	51	*/
	52	#define ibcmp(s1, s2, len) cBOOL(! foldEQ(s1, s2, len))
	53	#define ibcmp_locale(s1, s2, len) cBOOL(! foldEQ_locale(s1, s2, len))
	54
cb4d37a7 NC	55	/* outside the core, perl.h undefs HAS_QUAD if IV isn't 64-bit
	56	We can't swap this to HAS_QUAD, because the logic here affects the type of
	57	perl_drand48_t below, and that is visible outside of the core. */
9ea40801	58	#if defined(U64TYPE) && !defined(USING_MSVC6)
63835f79 SH	59	/* use a faster implementation when quads are available,
	60	* but not with VC6 on Windows */
	61	# define PERL_DRAND48_QUAD
3be8f094 TC	62	#endif
	63
	64	#ifdef PERL_DRAND48_QUAD
	65
	66	/* U64 is only defined under PERL_CORE, but this needs to be visible
	67	* elsewhere so the definition of PerlInterpreter is complete.
	68	*/
	69	typedef U64TYPE perl_drand48_t;
	70
	71	#else
	72
	73	struct PERL_DRAND48_T {
	74	U16 seed[3];
	75	};
	76
	77	typedef struct PERL_DRAND48_T perl_drand48_t;
	78
	79	#endif
	80
	81	#define PL_RANDOM_STATE_TYPE perl_drand48_t
	82
	83	#define Perl_drand48_init(seed) (Perl_drand48_init_r(&PL_random_state, (seed)))
	84	#define Perl_drand48() (Perl_drand48_r(&PL_random_state))
e6226b18	85
f26b33bd TC	86	#ifdef PERL_CORE
	87	/* uses a different source of randomness to avoid interfering with the results
	88	* of rand() */
	89	#define Perl_internal_drand48() (Perl_drand48_r(&PL_internal_random_state))
	90	#endif
	91
470dd224 JH	92	#ifdef USE_C_BACKTRACE
	93
	94	typedef struct {
	95	/* The number of frames returned. */
	96	UV frame_count;
	97	/* The total size of the Perl_c_backtrace, including this header,
	98	* the frames, and the name strings. */
	99	UV total_bytes;
	100	} Perl_c_backtrace_header;
	101
	102	typedef struct {
	103	void* addr; /* the program counter at this frame */
	104
	105	/* We could use Dl_info (as used by dladdr()) for many of these but
	106	* that would be naughty towards non-dlfcn systems (hi there, Win32). */
	107
	108	void* symbol_addr; /* symbol address (hint: try symbol_addr - addr) */
	109	void* object_base_addr; /* base address of the shared object */
	110
	111	/* The offsets are from the beginning of the whole backtrace,
	112	* which makes the backtrace relocatable. */
	113	STRLEN object_name_offset; /* pathname of the shared object */
	114	STRLEN object_name_size; /* length of the pathname */
	115	STRLEN symbol_name_offset; /* symbol name */
	116	STRLEN symbol_name_size; /* length of the symbol name */
	117	STRLEN source_name_offset; /* source code file name */
	118	STRLEN source_name_size; /* length of the source code file name */
	119	STRLEN source_line_number; /* source code line number */
	120
	121	/* OS X notes: atos(1) (more recently, "xcrun atos"), but the C
	122	* API atos() uses is unknown (private "Symbolicator" framework,
	123	* might require Objective-C even if the API would be known).
	124	* Currently we open read pipe to "xcrun atos" and parse the
	125	* output - quite disgusting. And that won't work if the
	126	* Developer Tools isn't installed. */
	127
0762e42f JH	128	/* FreeBSD notes: execinfo.h exists, but probably would need also
	129	* the library -lexecinfo. BFD exists if the pkg devel/binutils
	130	* has been installed, but there seems to be a known problem that
	131	* the "bfd.h" getting installed refers to "ansidecl.h", which
	132	* doesn't get installed. */
	133
470dd224 JH	134	/* Win32 notes: as moral equivalents of backtrace() + dladdr(),
	135	* one could possibly first use GetCurrentProcess() +
	136	* SymInitialize(), and then CaptureStackBackTrace() +
	137	* SymFromAddr(). */
	138
	139	/* Note that using the compiler optimizer easily leads into much
	140	* of this information, like the symbol names (think inlining),
	141	* and source code locations getting lost or confused. In many
	142	* cases keeping the debug information (-g) is necessary.
	143	*
	144	* Note that for example with gcc you can do both -O and -g.
	145	*
	146	* Note, however, that on some platforms (e.g. OSX + clang (cc))
	147	* backtrace() + dladdr() works fine without -g. */
	148
	149	/* For example: the mere presence of <bfd.h> is no guarantee: e.g.
	150	* OS X has that, but BFD does not seem to work on the OSX executables.
	151	*
	152	* Another niceness would be to able to see something about
	153	* the function arguments, however gdb/lldb manage to do that. */
	154	} Perl_c_backtrace_frame;
	155
	156	typedef struct {
	157	Perl_c_backtrace_header header;
	158	Perl_c_backtrace_frame frame_info[1];
	159	/* After the header come:
	160	* (1) header.frame_count frames
	161	* (2) frame_count times the \0-terminated strings (object_name
	162	* and so forth). The frames contain the pointers to the starts
	163	* of these strings, and the lengths of these strings. */
	164	} Perl_c_backtrace;
	165
	166	#define Perl_free_c_backtrace(bt) Safefree(bt)
	167
	168	#endif /* USE_C_BACKTRACE */
	169
db6e00bd DD	170	/* Use a packed 32 bit constant "key" to start the handshake. The key defines
	171	ABI compatibility, and how to process the vararg list.
	172
	173	Note, some bits may be taken from INTRPSIZE (but then a simple x86 AX register
	174	can't be used to read it) and 4 bits from API version len can also be taken,
	175	since v00.00.00 is 9 bytes long. XS version length should not have any bits
	176	taken since XS_VERSION lengths can get quite long since they are user
	177	selectable. These spare bits allow for additional features for the varargs
	178	stuff or ABI compat test flags in the future.
	179	*/
9a189793	180	#define HSm_APIVERLEN 0x0000001F /* perl version string won't be more than 31 chars */
db6e00bd DD	181	#define HS_APIVERLEN_MAX HSm_APIVERLEN
	182	#define HSm_XSVERLEN 0x0000FF00 /* if 0, not present, dont check, die if over 255*/
	183	#define HS_XSVERLEN_MAX 0xFF
9a189793 DD	184	/* uses var file to set default filename for newXS_deffile to use for CvFILE */
9a189793 DD	185	#define HSf_SETXSUBFN 0x00000020
db6e00bd DD	186	#define HSf_POPMARK 0x00000040 /* popmark mode or you must supply ax and items */
	187	#define HSf_IMP_CXT 0x00000080 /* ABI, threaded/PERL_IMPLICIT_CONTEXT, pTHX_ present */
	188	#define HSm_INTRPSIZE 0xFFFF0000 /* ABI, interp struct size */
9a189793 DD	189	/* A mask of bits in the key which must always match between a XS mod and interp.
	190	Also if all ABI bits in a key are true, skip all ABI checks, it is very
	191	the unlikely interp size will all 1 bits */
	192	/* Maybe HSm_APIVERLEN one day if Perl_xs_apiversion_bootcheck is changed to a memcmp */
db6e00bd	193	#define HSm_KEY_MATCH (HSm_INTRPSIZE\|HSf_IMP_CXT)
9a189793	194	#define HSf_NOCHK HSm_KEY_MATCH /* if all ABI bits are 1 in the key, dont chk */
db6e00bd DD	195
	196
	197	#define HS_GETINTERPSIZE(key) ((key) >> 16)
	198	/* if in the future "" and NULL must be separated, XSVERLEN would be 0
	199	means arg not present, 1 is empty string/null byte */
	200	/* (((key) & 0x0000FF00) >> 8) is less efficient on Visual C */
	201	#define HS_GETXSVERLEN(key) ((key) >> 8 & 0xFF)
	202	#define HS_GETAPIVERLEN(key) ((key) & HSm_APIVERLEN)
	203
	204	/* internal to util.h macro to create a packed handshake key, all args must be constants */
9a189793 DD	205	/* U32 return = (U16 interpsize, bool cxt, bool setxsubfn, bool popmark,
	206	U5 (FIVE!) apiverlen, U8 xsverlen) */
	207	#define HS_KEYp(interpsize, cxt, setxsubfn, popmark, apiverlen, xsverlen) \
db6e00bd DD	208	(((interpsize) << 16) \
	209	\| ((xsverlen) > HS_XSVERLEN_MAX \
	210	? (Perl_croak_nocontext("panic: handshake overflow"), HS_XSVERLEN_MAX) \
	211	: (xsverlen) << 8) \
9a189793	212	\| (cBOOL(setxsubfn) ? HSf_SETXSUBFN : 0) \
db6e00bd DD	213	\| (cBOOL(cxt) ? HSf_IMP_CXT : 0) \
	214	\| (cBOOL(popmark) ? HSf_POPMARK : 0) \
	215	\| ((apiverlen) > HS_APIVERLEN_MAX \
	216	? (Perl_croak_nocontext("panic: handshake overflow"), HS_APIVERLEN_MAX) \
	217	: (apiverlen)))
	218	/* overflows above will optimize away unless they will execute */
	219
	220	/* public macro for core usage to create a packed handshake key but this is
	221	not public API. This more friendly version already collected all ABI info */
9a189793 DD	222	/* U32 return = (bool setxsubfn, bool popmark, "litteral_string_api_ver",
9a189793 DD	223	"litteral_string_xs_ver") */
db6e00bd	224	#ifdef PERL_IMPLICIT_CONTEXT
9a189793 DD	225	# define HS_KEY(setxsubfn, popmark, apiver, xsver) \
9a189793 DD	226	HS_KEYp(sizeof(PerlInterpreter), TRUE, setxsubfn, popmark, \
db6e00bd DD	227	sizeof("" apiver "")-1, sizeof("" xsver "")-1)
	228	# define HS_CXT aTHX
	229	#else
9a189793 DD	230	# define HS_KEY(setxsubfn, popmark, apiver, xsver) \
9a189793 DD	231	HS_KEYp(sizeof(struct PerlHandShakeInterpreter), FALSE, setxsubfn, popmark, \
db6e00bd DD	232	sizeof("" apiver "")-1, sizeof("" xsver "")-1)
	233	# define HS_CXT cv
	234	#endif
	235
4ee010a8 KW	236	#define instr(haystack, needle) strstr(haystack, needle)
4ee010a8 KW	237
b8070b07 KW	238	#ifdef HAS_MEMMEM
b8070b07 KW	239	# define ninstr(big, bigend, little, lend) \
45d67106 KW	240	((char *) memmem((big), (bigend) - (big), \
45d67106 KW	241	(little), (lend) - (little)))
b8070b07 KW	242	#endif
b8070b07 KW	243
d333cbeb Z	244	#ifdef __Lynx__
	245	/* Missing proto on LynxOS */
	246	int mkstemp(char*);
	247	#endif
	248
2517ba99 Z	249	#if defined(HAS_MKOSTEMP) && defined(PERL_CORE)
	250	# define Perl_my_mkostemp(templte, flags) mkostemp(templte, flags)
	251	#endif
e48855bd TC	252	#if defined(HAS_MKSTEMP) && defined(PERL_CORE)
	253	# define Perl_my_mkstemp(templte) mkstemp(templte)
	254	#endif
	255
28922db9 DM	256	#endif /* PERL_UTIL_H_ */
28922db9 DM	257
e6226b18	258	/*
14d04a33	259	* ex: set ts=8 sts=4 sw=4 et:
e9a8c099	260	*/