80 lines
3.1 KiB
C
80 lines
3.1 KiB
C
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/****************************************************************************
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* libs/libc/symtab/symtab_sortbyname.c
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*
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* Copyright (C) 2019 Pinecone Inc. All rights reserved.
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* Author: Xiang Xiao <xiaoxiang@pinecone.net>
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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 conditions
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* are met:
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*
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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <nuttx/symtab.h>
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static int symtab_comparename(FAR const void *arg1, FAR const void *arg2)
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{
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FAR const struct symtab_s *symtab1 = arg1;
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FAR const struct symtab_s *symtab2 = arg2;
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return strcmp(symtab1->sym_name, symtab2->sym_name);
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: symtab_sortbyname
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*
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* Description:
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* Sort the symbol table by name.
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*
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* Returned Value:
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* None.
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*
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****************************************************************************/
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void symtab_sortbyname(FAR struct symtab_s *symtab, int nsyms)
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{
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DEBUGASSERT(symtab != NULL && nsyms != 0);
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qsort(symtab, nsyms, sizeof(symtab[0]), symtab_comparename);
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}
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