strcmp.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>
 
int strcmp(const char *p, const char *q)
{
    int result;
 
    if (p && q)
    {
        while (1)
        {
            int v3;
            int v4;
 
            v3 = *q;
            v4 = *(u8 *)p;
            q += 1;
            if (*p != v3)
            {
                break;
            }
            p += 1;
            if (!v4)
            {
                return 0;
            }
        }
        return *p - *(q - 1);
    }
    else
    {
        result = 0;
        if (p != q)
        {
            result = -1;
            if (p)
            {
                return 1;
            }
        }
    }
    return result;
}