sysclib_determine_base.c

/*
# _____     ___ ____     ___ ____
#  ____|   |    ____|   |        | |____|
# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
#-----------------------------------------------------------------------
# Copyright 2001-2004, ps2dev - http://www.ps2dev.org
# Licenced under Academic Free License version 2.0
# Review ps2sdk README & LICENSE files for further details.
*/
 
#define SYSCLIB_DISABLE_BUILTINS
#include <sysclib.h>
#include "sysclib_determine_base.h"
 
int sysclib_determine_base(char a1)
{
    int v1;
    int result;
 
    v1 = a1;
    result = v1 - 48;
    if ((isdigit(a1)) == 0)
    {
        if ((isalpha(v1)) != 0)
        {
            return tolower(v1) - 87;
        }
        else
        {
            return 9999999;
        }
    }
    return result;
}