/*====================================================================*
*
* char const * codename (struct _code_ const list [], size_t size, code_t code, char const * name);
*
* symbol.h
*
* return the name associated with a given code by searching a name
* table arranged in ascending order by code; return the table name
* if the code is found or argument name if not;
*
* typedefs code_t and struct _code_ are defined in codes.h;
*
* Motley Tools by Charles Maier <cmaier@cmassoc.net>;
* Copyright (c) 2001-2006 by Charles Maier Associates;
* Licensed under the Internet Software Consortium License;
*
*--------------------------------------------------------------------*/
#ifndef CODENAME_SOURCE
#define CODENAME_SOURCE
#include <unistd.h>
#include "../tools/symbol.h"
char const * codename (struct _code_ const list [], size_t size, code_t code, char const * name)
{
size_t lower = 0;
size_t upper = size;
while (lower < upper)
{
size_t index = (lower + upper) >> 1;
signed order = code - list [index].code;
if (order < 0)
{
upper = index - 0;
continue;
}
if (order > 0)
{
lower = index + 1;
continue;
}
return (list [index].name);
}
return (name);
}
#endif