58 lines
947 B
C
58 lines
947 B
C
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struct TEXTBUF
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{
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dword p;
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unsigned len;
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unsigned max;
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void drop();
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void extend();
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void set();
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void insert_ch();
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void insert_str();
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void del();
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} textbuf;
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void TEXTBUF::drop()
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{
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p = free(p);
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len = max = 0;
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}
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void TEXTBUF::extend(unsigned _size)
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{
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max = _size;
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p = realloc(p, max);
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}
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void TEXTBUF::set(dword _p, unsigned _size)
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{
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len = _size;
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extend(len + 4096);
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strncpy(p, _p, len);
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}
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void TEXTBUF::insert_ch(unsigned _pos, char _ch)
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{
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char str[1];
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str[0] = _ch;
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insert_str(_pos, #str, 1);
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}
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void TEXTBUF::insert_str(unsigned _pos, dword _string, unsigned _sl)
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{
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dword i;
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if (len + _sl >= max) {
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extend(len + _sl + 4096);
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}
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len += _sl;
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for (i=p+len; i>=_pos+_sl; i--) {
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ESBYTE[i] = ESBYTE[i-_sl];
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}
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memmov(_pos, _string, _sl);
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}
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void TEXTBUF::del(unsigned _start, _end)
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{
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if (_start > _end) _end >< _start;
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strcpy(_start, _end);
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len -= _end - _start;
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}
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