Subversion Repositories openrisc_me

/* Copyright (C) 2002 by  Red Hat, Incorporated. All rights reserved.

 *

 * Permission to use, copy, modify, and distribute this software

 * is freely granted, provided that this notice is preserved.

 */

#include <errno.h>

#include <sys/types.h>

#include <string.h>

#include <stdlib.h>

#include "buf_findstr.h"

/* Find string str in buffer buf of length buf_len.  Point buf to character after string,

   or set it to NULL if end of buffer is reached.  Return 1 if found, 0 if not. */

int

_buf_findstr(const char *str, char **buf, size_t *buf_len)

{

  int i = 0;

  int j = 0;

  for (i = 0; i < *buf_len; i++)

    {

      if (str[0] == (*buf)[i])

        {

          j = i;

          while (str[j - i] && (str[j - i] == (*buf)[j])) j++;

          if(str[j - i] == '\0')

            {

              *buf += j;

              *buf_len -= j;

              return 1;

            }

        }

    }

  if (i == *buf_len)

    {

      *buf += *buf_len;

      *buf_len = 0;

    }

  return 0;

}