X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fobjalloc.h;h=8b191e8acdcc4d62105f8a97f2f86570d59cc77f;hb=29298bf66f62f2f6c1efb0685623fbc29dfade90;hp=0b451cdc2959efcacc703ba336ba18bc13b593a4;hpb=252b5132c753830d5fd56823373aed85f2a0db63;p=deliverable%2Fbinutils-gdb.git diff --git a/include/objalloc.h b/include/objalloc.h index 0b451cdc29..8b191e8acd 100644 --- a/include/objalloc.h +++ b/include/objalloc.h @@ -1,5 +1,5 @@ /* objalloc.h -- routines to allocate memory for objects - Copyright 1997 Free Software Foundation, Inc. + Copyright (C) 1997-2019 Free Software Foundation, Inc. Written by Ian Lance Taylor, Cygnus Solutions. This program is free software; you can redistribute it and/or modify it @@ -14,8 +14,8 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software -Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ +Foundation, 51 Franklin Street - Fifth Floor, +Boston, MA 02110-1301, USA. */ #ifndef OBJALLOC_H #define OBJALLOC_H @@ -45,7 +45,7 @@ struct objalloc { char *current_ptr; unsigned int current_space; - PTR chunks; + void *chunks; }; /* Work out the required alignment. */ @@ -56,21 +56,20 @@ struct objalloc_align { char x; double d; }; #ifndef offsetof #include #endif -#define OBJALLOC_ALIGN \ - ((ptrdiff_t) ((char *) &((struct objalloc_align *) 0)->d - (char *) 0)) -#else -#define OBJALLOC_ALIGN \ - ((long) ((char *) &((struct objalloc_align *) 0)->d - (char *) 0)) #endif +#ifndef offsetof +#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER) +#endif +#define OBJALLOC_ALIGN offsetof (struct objalloc_align, d) /* Create an objalloc structure. Returns NULL if malloc fails. */ -extern struct objalloc *objalloc_create PARAMS ((void)); +extern struct objalloc *objalloc_create (void); /* Allocate space from an objalloc structure. Returns NULL if malloc fails. */ -extern PTR _objalloc_alloc PARAMS ((struct objalloc *, unsigned long)); +extern void *_objalloc_alloc (struct objalloc *, unsigned long); /* The macro version of objalloc_alloc. We only define this if using gcc, because otherwise we would have to evaluate the arguments @@ -92,10 +91,10 @@ extern PTR _objalloc_alloc PARAMS ((struct objalloc *, unsigned long)); if (__len == 0) \ __len = 1; \ __len = (__len + OBJALLOC_ALIGN - 1) &~ (OBJALLOC_ALIGN - 1); \ - (__len <= __o->current_space \ + (__len != 0 && __len <= __o->current_space \ ? (__o->current_ptr += __len, \ __o->current_space -= __len, \ - (PTR) (__o->current_ptr - __len)) \ + (void *) (__o->current_ptr - __len)) \ : _objalloc_alloc (__o, __len)); }) #else /* ! __GNUC__ */ @@ -106,11 +105,11 @@ extern PTR _objalloc_alloc PARAMS ((struct objalloc *, unsigned long)); /* Free an entire objalloc structure. */ -extern void objalloc_free PARAMS ((struct objalloc *)); +extern void objalloc_free (struct objalloc *); /* Free a block allocated by objalloc_alloc. This also frees all more recently allocated blocks. */ -extern void objalloc_free_block PARAMS ((struct objalloc *, PTR)); +extern void objalloc_free_block (struct objalloc *, void *); #endif /* OBJALLOC_H */