#include <sys/fcntl.h>
#endif
+#ifdef VOIDUSED
+# undef VOIDUSED
+#endif
#define VOIDUSED 1
+
#ifdef PERL_MICRO
# include "uconfig.h"
#else
# endif
#endif
+/* undef WIN32 when building on Cygwin (for libwin32) - gph */
+#ifdef __CYGWIN__
+# undef WIN32
+# undef _WIN32
+#endif
+
/* Use the reentrant APIs like localtime_r and getpwent_r */
/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(__APPLE__)
# define MYSWAP
#endif
-/* Cannot include embed.h here on Win32 as win32.h has not
+/* Cannot include embed.h here on Win32 as win32.h has not
yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
*/
#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
# else
# define EMBEDMYMALLOC /* for compatibility */
# endif
+START_EXTERN_C
Malloc_t Perl_malloc (MEM_SIZE nbytes);
Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
/* 'mfree' rather than 'free', since there is already a 'perl_free'
* that causes clashes with case-insensitive linkers */
Free_t Perl_mfree (Malloc_t where);
+END_EXTERN_C
typedef struct perl_mstats perl_mstats_t;
# endif
#endif
-#define Perl_atof(s) Perl_my_atof(s)
-#define Perl_atof2(s, np) Perl_my_atof2(s, np)
+/* The default is to use Perl's own atof() implementation (in numeric.c).
+ * Usually that is the one to use but for some platforms (e.g. UNICOS)
+ * it is however best to use the native implementation of atof.
+ * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
+ * Some good tests to try out with either setting are t/base/num.t,
+ * t/op/numconvert.t, and t/op/pack.t. */
+
+#ifndef USE_PERL_ATOF
+# ifndef _UNICOS
+# define USE_PERL_ATOF
+# endif
+#else
+# if USE_PERL_ATOF == 0
+# undef USE_PERL_ATOF
+# endif
+#endif
+
+#ifdef USE_PERL_ATOF
+# define Perl_atof(s) Perl_my_atof(s)
+# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
+#else
+# define Perl_atof(s) (NV)atof(s)
+# define Perl_atof2(s, n) ((n) = atof(s))
+#endif
/* Previously these definitions used hardcoded figures.
* It is hoped these formula are more portable, although
# define Atoul(s) Strtoul(s, (char **)NULL, 10)
#endif
-#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
+#if !defined(PERLIO_IS_STDIO)
/*
- * Now we have __attribute__ out of the way
* Remap printf
*/
#undef printf
* Boilerplate macros for initializing and accessing interpreter-local
* data from C. All statics in extensions should be reworked to use
* this, if you want to make the extension thread-safe. See ext/re/re.xs
- * for an example of the use of these macros.
+ * for an example of the use of these macros, and perlxs.pod for more.
*
* Code that uses these macros is responsible for the following:
- * 1. #define MY_CXT_KEY to a unique string, e.g. "DynaLoader_guts"
+ * 1. #define MY_CXT_KEY to a unique string, e.g.
+ * "DynaLoader::_guts" XS_VERSION
* 2. Declare a typedef named my_cxt_t that is a structure that contains
* all the data that needs to be interpreter-local.
* 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.