X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/f59c92c621b7937af4c128d98c292e91602e95f1..e16f71082347dd9854a05b7cece1dc02f0f9f3a8:/handy.h

diff --git a/handy.h b/handy.h
index 011dbf9..d891513 100644
--- a/handy.h
+++ b/handy.h
@@ -1,7 +1,7 @@
 /*    handy.h
  *
  *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999,
- *    2000, 2001, 2002, 2004, 2005, 2006, by Larry Wall and others
+ *    2000, 2001, 2002, 2004, 2005, 2006, 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.
@@ -19,23 +19,25 @@
 #endif
 #endif
 
-#define Null(type) ((type)NULL)
+#ifndef PERL_CORE
+#  define Null(type) ((type)NULL)
 
 /*
 =head1 Handy Values
 
 =for apidoc AmU||Nullch
-Null character pointer.
+Null character pointer. (No longer available when C<PERL_CORE> is defined.)
 
 =for apidoc AmU||Nullsv
-Null SV pointer.
+Null SV pointer. (No longer available when C<PERL_CORE> is defined.)
 
 =cut
 */
 
-#define Nullch Null(char*)
-#define Nullfp Null(PerlIO*)
-#define Nullsv Null(SV*)
+#  define Nullch Null(char*)
+#  define Nullfp Null(PerlIO*)
+#  define Nullsv Null(SV*)
+#endif
 
 #ifdef TRUE
 #undef TRUE
@@ -175,7 +177,7 @@ typedef U64TYPE U64;
 #endif
 
 /* HMB H.Merijn Brand - a placeholder for preparing Configure patches */
-#if defined(HAS_MALLOC_SIZE) && defined(HAS_SNPRINTF) && defined(HAS_HAS_C99_VARIADIC_MACROS)
+#if defined(HAS_MALLOC_SIZE) && defined(LOCALTIME_R_NEEDS_TZSET) && defined(HAS_PSEUDOFORK)
 /* Not (yet) used at top level, but mention them for metaconfig */
 #endif
 
@@ -242,14 +244,18 @@ typedef U64TYPE U64;
 =for apidoc Ama|SV*|newSVpvs|const char* s
 Like C<newSVpvn>, but takes a literal string instead of a string/length pair.
 
+=for apidoc Ama|SV*|newSVpvs_flags|const char* s|U32 flags
+Like C<newSVpvn_flags>, but takes a literal string instead of a string/length
+pair.
+
 =for apidoc Ama|SV*|newSVpvs_share|const char* s
 Like C<newSVpvn_share>, but takes a literal string instead of a string/length
 pair and omits the hash parameter.
 
-=for apidoc Am|SV*|sv_catpvs|SV* sv|const char* s
+=for apidoc Am|void|sv_catpvs|SV* sv|const char* s
 Like C<sv_catpvn>, but takes a literal string instead of a string/length pair.
 
-=for apidoc Am|SV*|sv_setpvs|SV* sv|const char* s
+=for apidoc Am|void|sv_setpvs|SV* sv|const char* s
 Like C<sv_setpvn>, but takes a literal string instead of a string/length pair.
 
 =head1 Memory Management
@@ -284,14 +290,22 @@ and omits the hash parameter.
 
 /* STR_WITH_LEN() shortcuts */
 #define newSVpvs(str) Perl_newSVpvn(aTHX_ STR_WITH_LEN(str))
+#define newSVpvs_flags(str,flags)	\
+    Perl_newSVpvn_flags(aTHX_ STR_WITH_LEN(str), flags)
 #define newSVpvs_share(str) Perl_newSVpvn_share(aTHX_ STR_WITH_LEN(str), 0)
 #define sv_catpvs(sv, str) Perl_sv_catpvn_flags(aTHX_ sv, STR_WITH_LEN(str), SV_GMAGIC)
 #define sv_setpvs(sv, str) Perl_sv_setpvn(aTHX_ sv, STR_WITH_LEN(str))
 #define savepvs(str) Perl_savepvn(aTHX_ STR_WITH_LEN(str))
 #define gv_stashpvs(str, create) Perl_gv_stashpvn(aTHX_ STR_WITH_LEN(str), create)
 #define gv_fetchpvs(namebeg, add, sv_type) Perl_gv_fetchpvn_flags(aTHX_ STR_WITH_LEN(namebeg), add, sv_type)
-#define hv_fetchs(hv,key,lval) Perl_hv_fetch(aTHX_ hv, STR_WITH_LEN(key), lval)
-#define hv_stores(hv,key,val) Perl_hv_store(aTHX_ hv, STR_WITH_LEN(key), val, 0)
+#define hv_fetchs(hv,key,lval)						\
+  ((SV **)Perl_hv_common(aTHX_ (hv), NULL, STR_WITH_LEN(key), 0,	\
+			 (lval) ? (HV_FETCH_JUST_SV | HV_FETCH_LVALUE)	\
+			 : HV_FETCH_JUST_SV, NULL, 0))
+
+#define hv_stores(hv,key,val)						\
+  ((SV **)Perl_hv_common(aTHX_ (hv), NULL, STR_WITH_LEN(key), 0,	\
+			 (HV_FETCH_ISSTORE|HV_FETCH_JUST_SV), (val), 0))
 
 
 /*
@@ -350,6 +364,10 @@ C<strncmp>).
 #  define memEQ(s1,s2,l) (!bcmp(s1,s2,l))
 #endif
 
+#define memEQs(s1, l, s2) \
+	(sizeof(s2)-1 == l && memEQ(s1, (s2 ""), (sizeof(s2)-1)))
+#define memNEs(s1, l, s2) !memEQs(s1, l, s2)
+
 /*
  * Character classes.
  *
@@ -433,7 +451,7 @@ Converts the specified character to lowercase.
 #   define isASCII(c)	((c) <= 127)
 #   define isCNTRL(c)	((c) < ' ' || (c) == 127)
 #   define isGRAPH(c)	(isALNUM(c) || isPUNCT(c))
-#   define isPRINT(c)	(((c) > 32 && (c) < 127) || (c) == ' ')
+#   define isPRINT(c)	(((c) >= 32 && (c) < 127))
 #   define isPUNCT(c)	(((c) >= 33 && (c) <= 47) || ((c) >= 58 && (c) <= 64)  || ((c) >= 91 && (c) <= 96) || ((c) >= 123 && (c) <= 126))
 #   define isXDIGIT(c)  (isDIGIT(c) || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
 #   define toUPPER(c)	(isLOWER(c) ? (c) - ('a' - 'A') : (c))
@@ -681,13 +699,18 @@ PoisonWith(0xEF) for catching access to freed memory.
 #define NEWSV(x,len)	newSV(len)
 #endif
 
+#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) MEM_WRAP_CHECK_1(n,t,PL_memory_wrap)
 #define MEM_WRAP_CHECK_1(n,t,a) \
-	(void)(sizeof(t) > 1 && (MEM_SIZE)(n) > ((MEM_SIZE)~0)/sizeof(t) && (Perl_croak_nocontext(a),0))
+	(void)(sizeof(t) > 1 && ((MEM_SIZE)(n)+0.0) > MEM_SIZE_MAX/sizeof(t) && (Perl_croak_nocontext(a),0))
 #define MEM_WRAP_CHECK_(n,t) MEM_WRAP_CHECK(n,t),
 
-#define PERL_STRLEN_ROUNDUP(n) ((void)(((n) > (MEM_SIZE)~0 - 2 * PERL_STRLEN_ROUNDUP_QUANTUM) ? (Perl_croak_nocontext(PL_memory_wrap),0):0),((n-1+PERL_STRLEN_ROUNDUP_QUANTUM)&~((MEM_SIZE)PERL_STRLEN_ROUNDUP_QUANTUM-1)))
+#define PERL_STRLEN_ROUNDUP(n) ((void)(((n) > MEM_SIZE_MAX - 2 * PERL_STRLEN_ROUNDUP_QUANTUM) ? (Perl_croak_nocontext(PL_memory_wrap),0):0),((n-1+PERL_STRLEN_ROUNDUP_QUANTUM)&~((MEM_SIZE)PERL_STRLEN_ROUNDUP_QUANTUM-1)))
 
 #else
 
@@ -833,3 +856,12 @@ Malloc_t Perl_mem_log_free(Malloc_t oldalloc, const char *filename, const int li
 #define pTHX__VALUE
 #endif /* USE_ITHREADS */
 
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */