66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2010 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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typedef struct
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{
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unsigned char *base, *free, *top, *lasttop, prvprt;
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} spdesc;
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void stp_expand_array(void);
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void stp_gcol(int space_needed);
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void stp_move(char *from, char *to);
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void stp_init(unsigned int size);
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void s2pool(mstr *a);
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void s2pool_align(mstr *string);
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#ifdef DEBUG
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void stp_vfy_mval(void);
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boolean_t is_stp_space_available(int space_needed);
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#endif
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#ifdef DEBUG
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#define IS_STP_SPACE_AVAILABLE(SPC) is_stp_space_available(SPC)
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#else
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#define IS_STP_SPACE_AVAILABLE(SPC) IS_STP_SPACE_AVAILABLE_PRO(SPC)
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#endif
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GBLREF spdesc stringpool;
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#define IS_STP_SPACE_AVAILABLE_PRO(SPC) ((stringpool.free + SPC) <= stringpool.top)
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#define IS_IN_STRINGPOOL(PTR, LEN) \
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((((unsigned char *)PTR + (int)(LEN)) < stringpool.top) && ((unsigned char *)PTR >= stringpool.base))
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#define INVOKE_STP_GCOL(SPC) stp_gcol(SPC);
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#ifdef DEBUG
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GBLREF boolean_t stringpool_unusable;
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GBLREF boolean_t stringpool_unexpandable;
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#define DBG_MARK_STRINGPOOL_USABLE { assert(stringpool_unusable); stringpool_unusable = FALSE; }
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#define DBG_MARK_STRINGPOOL_UNUSABLE { assert(!stringpool_unusable); stringpool_unusable = TRUE; }
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#define DBG_MARK_STRINGPOOL_EXPANDABLE { assert(stringpool_unexpandable); stringpool_unexpandable = FALSE; }
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#define DBG_MARK_STRINGPOOL_UNEXPANDABLE { assert(!stringpool_unexpandable); stringpool_unexpandable = TRUE; }
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#else
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#define DBG_MARK_STRINGPOOL_USABLE
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#define DBG_MARK_STRINGPOOL_UNUSABLE
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#define DBG_MARK_STRINGPOOL_EXPANDABLE
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#define DBG_MARK_STRINGPOOL_UNEXPANDABLE
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#endif
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#define ENSURE_STP_FREE_SPACE(SPC) \
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{ \
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int lcl_spc_needed; \
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\
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/* Note down space needed in local to avoid multiple computations */ \
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lcl_spc_needed = SPC; \
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if (!IS_STP_SPACE_AVAILABLE(lcl_spc_needed)) \
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INVOKE_STP_GCOL(lcl_spc_needed); \
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assert(IS_STP_SPACE_AVAILABLE(lcl_spc_needed)); \
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}
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