70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
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/*
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Copyright (c) 2010, 2013, 2018 Genome Research Ltd.
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Author: Andrew Whitwham <aw7@sanger.ac.uk>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. Neither the names Genome Research Ltd and Wellcome Trust Sanger
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Institute nor the names of its contributors may be used to endorse or promote
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products derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY GENOME RESEARCH LTD AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL GENOME RESEARCH LTD OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef STRING_ALLOC_H
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#define STRING_ALLOC_H
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#include <stdlib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* A pooled string allocator intended to cut down on the
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* memory overhead of many small string allocations.
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*
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* Andrew Whitwham, September 2010.
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*/
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typedef struct {
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char *str;
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size_t used;
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} string_t;
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typedef struct {
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size_t max_length;
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size_t nstrings;
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size_t max_strings;
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string_t *strings;
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} string_alloc_t;
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string_alloc_t *string_pool_create(size_t max_length);
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void string_pool_destroy(string_alloc_t *a_str);
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char *string_alloc(string_alloc_t *a_str, size_t length);
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char *string_dup(string_alloc_t *a_str, const char *instr);
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char *string_ndup(string_alloc_t *a_str, const char *instr, size_t len);
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#ifdef __cplusplus
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}
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#endif
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#endif
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