incubator-nuttx/libs/libc/symtab/symtab_sortbyname.c

67 lines
2.3 KiB
C

/****************************************************************************
* libs/libc/symtab/symtab_sortbyname.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <nuttx/symtab.h>
/****************************************************************************
* Private Functions
****************************************************************************/
static int symtab_comparename(FAR const void *arg1, FAR const void *arg2)
{
FAR const struct symtab_s *symtab1 = arg1;
FAR const struct symtab_s *symtab2 = arg2;
return strcmp(symtab1->sym_name, symtab2->sym_name);
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: symtab_sortbyname
*
* Description:
* Sort the symbol table by name.
*
* Returned Value:
* None.
*
****************************************************************************/
void symtab_sortbyname(FAR struct symtab_s *symtab, int nsyms)
{
DEBUGASSERT(symtab != NULL && nsyms != 0);
qsort(symtab, nsyms, sizeof(symtab[0]), symtab_comparename);
}