45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
#ident "$Header: "
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/* The string table structure
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*
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* String space is allocated from 4K blocks which are allocated
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* as needed. The first four bytes of each block are reserved so
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* that the blocks can be chained together (to make it easy to free
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* them when the string table is no longer necessary).
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*/
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typedef struct string_table_s {
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int num_strings;
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k_ptr_t block_list;
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} string_table_t;
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#define NO_STRINGTAB 0
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#define USE_STRINGTAB 1
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/**
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** Function prototypes
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**/
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/* Initialize a string table. Depending on the value of the flag
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* parameter, either temporary or permenent blocks (see kl_alloc.h)
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* will be used. Upon success, a pointer to a string table will be
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* returned. Otherwise, a NULL pointer will be returned.
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*/
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string_table_t *init_string_table(
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int /* flag (K_TEMP/K_PERM)*/);
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/* Free all memory blocks allocated for a particular string table
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* and then free the table itself.
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*/
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void free_string_table(
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string_table_t* /* pointer to string table */);
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/* Search for a string in a string table. If the string does not
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* exist, allocate space from the string table and add the string.
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* In either event, a pointer to the string (from the table) will
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* be returned.
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*/
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char *get_string(
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string_table_t* /* pointer to string table */,
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char* /* string to get/add from/to string table */,
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int /* flag (K_TEMP/K_PERM)*/);
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