20 lines
764 B
C
20 lines
764 B
C
/* save memory for constant strings by keeping a list of the ones that
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* we already saw and not allocating memory for each new one. The only
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* API is "add string and return offset". The offset is relative to the
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* root of the pstorage_t. Will try to insert the string in the table.
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* If the same string was already there, it will return offset of that
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* string, otherwise it will insert a copy of the new string. */
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#include "mstorage.h"
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typedef struct mduptable {
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mstorage_t table,strings;
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mstorage_t* Strings;
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} mduptab_t;
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void mduptab_init(mduptab_t* t);
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void mduptab_init_reuse(mduptab_t* t,mstorage_t* s);
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long mduptab_add(mduptab_t* t,const char* s,size_t len);
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long mduptab_adds(mduptab_t* t,const char* s);
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void mduptab_reset(mduptab_t* t);
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