42 lines
977 B
C
42 lines
977 B
C
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#ifndef _PFC_GROW_BUF_H_
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#define _PFC_GROW_BUF_H_
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class grow_buf
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{
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private:
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void * ptr;
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int size,used;
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void makespace(int);
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public:
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grow_buf(int init_size = 0)
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{
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if (init_size<8) init_size=8;
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size = 0;
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used = 0;
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ptr = 0;
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makespace(init_size);
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}
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~grow_buf() {reset();}
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inline const void * get_ptr_c() const {return ptr;}
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inline void * get_ptr() {return ptr;}
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inline int get_size() const {return used;}
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inline void truncate(int z) {if (z<used) used=z;}
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void * finish();
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void reset();
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bool write(const void * data, size_t bytes);
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void write_ptr(const void * data, int bytes,int offset);
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inline void write_byte(BYTE b) {write(&b,1);}
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inline void write_word(WORD w) {write(&w,2);}
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inline void write_dword(DWORD dw) {write(&dw,4);}
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inline void write_byte_ptr(BYTE b,int ptr) {write_ptr(&b,1,ptr);}
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inline void write_word_ptr(WORD w,int ptr) {write_ptr(&w,2,ptr);}
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inline void write_dword_ptr(DWORD dw,int ptr) {write_ptr(&dw,4,ptr);}
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};
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#endif
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