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7bb13eac11
Make it a selectable option at allocation time if a strlist should contain only unique strings or not. If not, we omit the hash table and strlist_find() will not do anything. Add printf()-style functions to a strlist. Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
87 lines
3.1 KiB
C
87 lines
3.1 KiB
C
/* ----------------------------------------------------------------------- *
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*
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* Copyright 1996-2018 The NASM Authors - All Rights Reserved
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* See the file AUTHORS included with the NASM distribution for
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* the specific copyright holders.
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*
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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
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* conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ----------------------------------------------------------------------- */
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/*
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* strlist.h - list of unique, ordered strings
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*/
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#ifndef NASM_STRLIST_H
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#define NASM_STRLIST_H
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#include "compiler.h"
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#include "nasmlib.h"
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#include "hashtbl.h"
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struct strlist_entry {
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struct strlist_entry *next;
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size_t offset;
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size_t size;
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char str[1];
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};
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struct strlist {
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struct hash_table hash;
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struct strlist_entry *head, **tailp;
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size_t nstr, size;
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bool uniq;
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};
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static inline const struct strlist_entry *
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strlist_head(const struct strlist *list)
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{
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return list ? list->head : NULL;
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}
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static inline size_t strlist_count(const struct strlist *list)
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{
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return list ? list->nstr : 0;
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}
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static inline size_t strlist_size(const struct strlist *list)
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{
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return list ? list->size : 0;
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}
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struct strlist safe_alloc *strlist_alloc(bool uniq);
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void strlist_free(struct strlist *list);
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const struct strlist_entry * never_null strlist_add(struct strlist *list, const char *str);
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const struct strlist_entry * printf_func(2, 3) never_null
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strlist_printf(struct strlist *list, const char *fmt, ...);
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const struct strlist_entry * never_null
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strlist_vprintf(struct strlist *list, const char *fmt, va_list ap);
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const struct strlist_entry *
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strlist_find(const struct strlist *list, const char *str);
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void * safe_alloc strlist_linearize(const struct strlist *list, char sep);
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void strlist_free(struct strlist *list);
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#define strlist_for_each(p,h) list_for_each((p), strlist_head(h))
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#endif /* NASM_STRLIST_H */
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