X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=malloc.c;h=4f7289fa67d14a1dd07ea204b5ef8c866c965e7d;hb=918426be7f3660c63cebe082bf8eac82a38bf756;hp=fc37cb237dce2d7f3f40763ac69db08438333856;hpb=b022d2d27f9b150bfa61c150f89ab4147aeb4595;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/malloc.c b/malloc.c
index fc37cb2..4f7289f 100644
--- a/malloc.c
+++ b/malloc.c
@@ -291,7 +291,7 @@
 #  ifndef warn
 #    define warn(mess, arg) fprintf(stderr, (mess), (arg))
 #  endif 
-#  ifndef warn
+#  ifndef warn2
 #    define warn2(mess, arg1) fprintf(stderr, (mess), (arg1), (arg2))
 #  endif 
 #  ifdef DEBUG_m
@@ -458,6 +458,11 @@ union	overhead {
 	double	strut;			/* alignment problems */
 #endif
 	struct {
+/*
+ * Keep the ovu_index and ovu_magic in this order, having a char
+ * field first gives alignment indigestion in some systems, such as
+ * MachTen.
+ */
 		u_char	ovu_index;	/* bucket # */
 		u_char	ovu_magic;	/* magic number */
 #ifdef RCHECK
@@ -855,11 +860,7 @@ static void*	get_from_bigger_buckets(int bucket, MEM_SIZE size);
 static union overhead *getpages	(MEM_SIZE needed, int *nblksp, int bucket);
 static int	getpages_adjacent(MEM_SIZE require);
 
-#if defined(PERL_EMERGENCY_SBRK) && defined(PERL_CORE)
-
-#  ifndef BIG_SIZE
-#    define BIG_SIZE (1<<16)		/* 64K */
-#  endif 
+#ifdef PERL_CORE
 
 #ifdef I_MACH_CTHREADS
 #  undef  MUTEX_LOCK
@@ -885,16 +886,12 @@ static	union overhead *nextf[NBUCKETS];
 #endif
 
 #ifdef USE_PERL_SBRK
-#define sbrk(a) Perl_sbrk(a)
+# define sbrk(a) Perl_sbrk(a)
 Malloc_t Perl_sbrk (int size);
-#else 
-#ifdef DONT_DECLARE_STD
-#ifdef I_UNISTD
-#include <unistd.h>
-#endif
 #else
+# ifndef HAS_SBRK_PROTO /* <unistd.h> usually takes care of this */
 extern	Malloc_t sbrk(int);
-#endif
+# endif
 #endif
 
 #ifdef DEBUGGING_MSTATS
@@ -911,6 +908,12 @@ static  u_int start_slack;
 
 static	u_int goodsbrk;
 
+# ifdef PERL_EMERGENCY_SBRK
+
+#  ifndef BIG_SIZE
+#    define BIG_SIZE (1<<16)		/* 64K */
+#  endif
+
 static char *emergency_buffer;
 static MEM_SIZE emergency_buffer_size;
 static int no_mem;	/* 0 if the last request for more memory succeeded.
@@ -978,9 +981,10 @@ emergency_sbrk(MEM_SIZE size)
     return Nullch;
 }
 
-#else /* !(defined(PERL_EMERGENCY_SBRK) && defined(PERL_CORE)) */
+# else /*  !defined(PERL_EMERGENCY_SBRK) */
 #  define emergency_sbrk(size)	-1
-#endif /* !(defined(PERL_EMERGENCY_SBRK) && defined(PERL_CORE)) */
+# endif
+#endif /* ifdef PERL_CORE */
 
 #ifdef DEBUGGING
 #undef ASSERT
@@ -1057,6 +1061,9 @@ Perl_malloc(register size_t nbytes)
 		{
 		    dTHX;
 		    if (!PL_nomemok) {
+#if defined(PLAIN_MALLOC) && defined(NO_FANCY_MALLOC)
+		        PerlIO_puts(PerlIO_stderr(),"Out of memory!\n");
+#else
 			char buff[80];
 			char *eb = buff + sizeof(buff) - 1;
 			char *s = eb;
@@ -1079,6 +1086,7 @@ Perl_malloc(register size_t nbytes)
 			} while (n /= 10);
 			PerlIO_puts(PerlIO_stderr(),s);
 			PerlIO_puts(PerlIO_stderr()," bytes!\n");
+#endif /* defined(PLAIN_MALLOC) && defined(NO_FANCY_MALLOC) */
 			my_exit(1);
 		    }
 		}
@@ -1088,7 +1096,7 @@ Perl_malloc(register size_t nbytes)
 
 	DEBUG_m(PerlIO_printf(Perl_debug_log,
 			      "0x%"UVxf": (%05lu) malloc %ld bytes\n",
-			      PTR2UV(p+1), (unsigned long)(PL_an++),
+			      PTR2UV(p), (unsigned long)(PL_an++),
 			      (long)size));
 
 	/* remove from linked list */
@@ -1386,7 +1394,9 @@ getpages(MEM_SIZE needed, int *nblksp, int bucket)
 	sbrked_remains = require - needed;
 	last_op = cp;
     }
+#if !defined(PLAIN_MALLOC) && !defined(NO_FANCY_MALLOC)
     no_mem = 0;
+#endif
     last_sbrk_top = cp + require;
 #ifdef DEBUGGING_MSTATS
     goodsbrk += require;