a1246c73e0
http://cantaforda.com/cfcl/eryk/linux/pdisk/index.html this is the utility provided by mklinux and osX to manipulate the Apple Partition map.
165 lines
3.5 KiB
C
165 lines
3.5 KiB
C
/*
|
|
* util.c -
|
|
*
|
|
* Written by Eryk Vershen
|
|
*/
|
|
|
|
/*
|
|
* Copyright 1997,1998 by Apple Computer, Inc.
|
|
* All Rights Reserved
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software and
|
|
* its documentation for any purpose and without fee is hereby granted,
|
|
* provided that the above copyright notice appears in all copies and
|
|
* that both the copyright notice and this permission notice appear in
|
|
* supporting documentation.
|
|
*
|
|
* APPLE COMPUTER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE.
|
|
*
|
|
* IN NO EVENT SHALL APPLE COMPUTER BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
|
|
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
* LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
|
|
* NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
|
|
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
|
|
// for sprintf()
|
|
#include <stdio.h>
|
|
// for tolower()
|
|
#include <ctype.h>
|
|
|
|
#include "version.h"
|
|
#include "util.h"
|
|
|
|
|
|
/*
|
|
* Defines
|
|
*/
|
|
#define NumToolboxTraps() ( \
|
|
(NGetTrapAddress(_InitGraf, ToolTrap) \
|
|
== NGetTrapAddress(0xAA6E, ToolTrap)) \
|
|
? 0x200 : 0x400 \
|
|
)
|
|
#define GetTrapType(theTrap) ( \
|
|
(((theTrap) & 0x800) != 0) ? ToolTrap : OSTrap \
|
|
)
|
|
|
|
|
|
/*
|
|
* Types
|
|
*/
|
|
|
|
|
|
/*
|
|
* Global Constants
|
|
*/
|
|
|
|
|
|
/*
|
|
* Global Variables
|
|
*/
|
|
static char dynamic_version[10];
|
|
|
|
/*
|
|
* Forward declarations
|
|
*/
|
|
|
|
|
|
/*
|
|
* Routines
|
|
*/
|
|
void
|
|
clear_memory(void *dataPtr, unsigned long size)
|
|
{
|
|
char *ptr;
|
|
|
|
ptr = (char *) dataPtr;
|
|
while (size > 0) {
|
|
*ptr++ = 0;
|
|
--size;
|
|
}
|
|
}
|
|
|
|
|
|
#if !defined(__linux__) && !defined(__unix__)
|
|
/* (see Inside Mac VI 3-8) */
|
|
int
|
|
TrapAvailable(short theTrap)
|
|
{
|
|
TrapType trapType;
|
|
|
|
trapType = GetTrapType(theTrap);
|
|
|
|
if (trapType == ToolTrap) {
|
|
theTrap &= 0x07FF;
|
|
if (theTrap >= NumToolboxTraps())
|
|
theTrap = _Unimplemented;
|
|
}
|
|
|
|
return (
|
|
NGetTrapAddress(theTrap, trapType)
|
|
!= NGetTrapAddress(_Unimplemented, ToolTrap)
|
|
);
|
|
}
|
|
#endif
|
|
|
|
|
|
/* Ascii case-insensitive string comparison */
|
|
int
|
|
istrncmp(const char *x, const char *y, long len)
|
|
{
|
|
unsigned char *p = (unsigned char *)x;
|
|
unsigned char *q = (unsigned char *)y;
|
|
|
|
while (len > 0) {
|
|
if (tolower(*p) != tolower(*q)) {
|
|
return (*p - *q);
|
|
} else if (*p == 0) {
|
|
break;
|
|
}
|
|
p++;
|
|
q++;
|
|
len--;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
|
|
const char *
|
|
get_version_string(void)
|
|
{
|
|
int stage;
|
|
/* "copy" of stuff from SysTypes.r, since we can't include that*/
|
|
enum {development = 0x20, alpha = 0x40, beta = 0x60, final = 0x80, /* or */ release = 0x80};
|
|
|
|
switch (kVersionStage) {
|
|
case development: stage = 'd'; break;
|
|
case alpha: stage = 'a'; break;
|
|
case beta: stage = 'b'; break;
|
|
case final: stage = 'f'; break;
|
|
default: stage = '?'; break;
|
|
}
|
|
|
|
if (kVersionBugFix != 0) {
|
|
if (kVersionStage == final) {
|
|
sprintf(dynamic_version, "%d.%d.%d",
|
|
kVersionMajor, kVersionMinor, kVersionBugFix);
|
|
} else {
|
|
sprintf(dynamic_version, "%d.%d.%d%c%d",
|
|
kVersionMajor, kVersionMinor, kVersionBugFix, stage, kVersionDelta);
|
|
}
|
|
} else {
|
|
if (kVersionStage == final) {
|
|
sprintf(dynamic_version, "%d.%d",
|
|
kVersionMajor, kVersionMinor);
|
|
} else {
|
|
sprintf(dynamic_version, "%d.%d%c%d",
|
|
kVersionMajor, kVersionMinor, stage, kVersionDelta);
|
|
}
|
|
}
|
|
return dynamic_version;
|
|
}
|