strrchr.c

Nucleus Common Library for Integrator using ARM Developer Suite

/*************************************************************************
*
*               Copyright Mentor Graphics Corporation 2002
*                         All Rights Reserved.
*
* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS
* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS
* SUBJECT TO LICENSE TERMS.
*
*************************************************************************/

/*************************************************************************
* FILE NAME                                     VERSION
*
*       strrchr.c                               Nucleus Common Library 1.1
*
* DESCRIPTION
*
*       This file contains the implementation of NCL_strrchr.
*
* DATA STRUCTURES
*
*       None.
*
* FUNCTIONS
*
*       NCL_strrchr
*
* DEPENDENCIES
*
*       ncl.h
*       string.h
*       nucleus.h
*
************************************************************************/

#define NU_NCL_SOURCE_FILE

#include "ncl\inc\ncl.h"
#include "ncl\inc\string.h"
#include "plus\nucleus.h"                                /* MMU Support */

/*************************************************************************
*
*   FUNCTION
*
*       NCL_strrchr
*
*   DESCRIPTION
*
*       Return a pointer to last occurrence of c in s, or 0 if s does
*       not contain c.  if c==0 it returns a pointer to the string's
*       nul character.
*
*   INPUTS
*
*       s                   String to search within
*       c                   Characters to search for
*
*   OUTPUTS
*
*       char*               Pointer to last occurance of c in s or 0 if
*                             s does not contain c.
*
*************************************************************************/

char *NCL_strrchr(register const char *s, register int c)
{
    register const char *mrk = (char *)0;

    do
    {
        if (*s == (char)c)
            mrk = s;
    } while (*s++);

    return (char *)mrk;
}