31 lines
944 B
C++
31 lines
944 B
C++
#ifndef DYNARRHPP
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#define DYNARRHPP
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#include <generic.hpp>
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#include "errn.hpp"
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class dynarr {
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char *dummy;
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unsigned elems;
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unsigned es;
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char *body;
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int resize(unsigned);
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public:
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dynarr(unsigned n = 1, unsigned elemsize = 1);
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~dynarr(void) { delete body; }
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char *access(unsigned);
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char *address(void) { return body; }
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unsigned size(void) { return elems; }
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};
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#define gdynarr(type) name2(type,gdynarr)
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#define gdynarrdeclare(type) \
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struct gdynarr(type): dynarr { \
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gdynarr(type)(unsigned n = 1) : (n, sizeof(type)) {} \
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type& operator[](unsigned i) \
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{ return *((type *) dynarr::access(i)); } \
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type *operator&(void) { return (type *) dynarr::address(); }\
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unsigned size(void) { return dynarr::size(); } \
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}
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#endif
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