misc/physfs/src/platform_macosx.c
branchphysfslayer
changeset 8522 1853628ae285
parent 8520 1dedcc37bfe8
child 8524 a65e9bcf0a03
--- a/misc/physfs/src/platform_macosx.c	Fri Feb 22 05:05:32 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,326 +0,0 @@
-/*
- * Mac OS X support routines for PhysicsFS.
- *
- * Please see the file LICENSE.txt in the source's root directory.
- *
- *  This file written by Ryan C. Gordon.
- */
-
-#define __PHYSICSFS_INTERNAL__
-#include "physfs_platforms.h"
-
-#ifdef PHYSFS_PLATFORM_MACOSX
-
-#include <CoreFoundation/CoreFoundation.h>
-
-#if !defined(PHYSFS_NO_CDROM_SUPPORT)
-#include <Carbon/Carbon.h>  /* !!! FIXME */
-#include <IOKit/storage/IOMedia.h>
-#include <IOKit/storage/IOCDMedia.h>
-#include <IOKit/storage/IODVDMedia.h>
-#include <sys/mount.h>
-#endif
-
-/* Seems to get defined in some system header... */
-#ifdef Free
-#undef Free
-#endif
-
-#include "physfs_internal.h"
-
-
-/* Wrap PHYSFS_Allocator in a CFAllocator... */
-static CFAllocatorRef cfallocator = NULL;
-
-static CFStringRef cfallocDesc(const void *info)
-{
-    return CFStringCreateWithCString(cfallocator, "PhysicsFS",
-                                     kCFStringEncodingASCII);
-} /* cfallocDesc */
-
-
-static void *cfallocMalloc(CFIndex allocSize, CFOptionFlags hint, void *info)
-{
-    return allocator.Malloc(allocSize);
-} /* cfallocMalloc */
-
-
-static void cfallocFree(void *ptr, void *info)
-{
-    allocator.Free(ptr);
-} /* cfallocFree */
-
-
-static void *cfallocRealloc(void *ptr, CFIndex newsize,
-                            CFOptionFlags hint, void *info)
-{
-    if ((ptr == NULL) || (newsize <= 0))
-        return NULL;  /* ADC docs say you should always return NULL here. */
-    return allocator.Realloc(ptr, newsize);
-} /* cfallocRealloc */
-
-
-int __PHYSFS_platformInit(void)
-{
-    /* set up a CFAllocator, so Carbon can use the physfs allocator, too. */
-    CFAllocatorContext ctx;
-    memset(&ctx, '\0', sizeof (ctx));
-    ctx.copyDescription = cfallocDesc;
-    ctx.allocate = cfallocMalloc;
-    ctx.reallocate = cfallocRealloc;
-    ctx.deallocate = cfallocFree;
-    cfallocator = CFAllocatorCreate(kCFAllocatorUseContext, &ctx);
-    BAIL_IF_MACRO(!cfallocator, PHYSFS_ERR_OUT_OF_MEMORY, 0);
-    return 1;  /* success. */
-} /* __PHYSFS_platformInit */
-
-
-int __PHYSFS_platformDeinit(void)
-{
-    CFRelease(cfallocator);
-    cfallocator = NULL;
-    return 1;  /* always succeed. */
-} /* __PHYSFS_platformDeinit */
-
-
-
-/* CD-ROM detection code... */
-
-/*
- * Code based on sample from Apple Developer Connection:
- *  http://developer.apple.com/samplecode/Sample_Code/Devices_and_Hardware/Disks/VolumeToBSDNode/VolumeToBSDNode.c.htm
- */
-
-#if !defined(PHYSFS_NO_CDROM_SUPPORT)
-
-static int darwinIsWholeMedia(io_service_t service)
-{
-    int retval = 0;
-    CFTypeRef wholeMedia;
-
-    if (!IOObjectConformsTo(service, kIOMediaClass))
-        return 0;
-        
-    wholeMedia = IORegistryEntryCreateCFProperty(service,
-                                                 CFSTR(kIOMediaWholeKey),
-                                                 cfallocator, 0);
-    if (wholeMedia == NULL)
-        return 0;
-
-    retval = CFBooleanGetValue(wholeMedia);
-    CFRelease(wholeMedia);
-
-    return retval;
-} /* darwinIsWholeMedia */
-
-
-static int darwinIsMountedDisc(char *bsdName, mach_port_t masterPort)
-{
-    int retval = 0;
-    CFMutableDictionaryRef matchingDict;
-    kern_return_t rc;
-    io_iterator_t iter;
-    io_service_t service;
-
-    if ((matchingDict = IOBSDNameMatching(masterPort, 0, bsdName)) == NULL)
-        return 0;
-
-    rc = IOServiceGetMatchingServices(masterPort, matchingDict, &iter);
-    if ((rc != KERN_SUCCESS) || (!iter))
-        return 0;
-
-    service = IOIteratorNext(iter);
-    IOObjectRelease(iter);
-    if (!service)
-        return 0;
-
-    rc = IORegistryEntryCreateIterator(service, kIOServicePlane,
-             kIORegistryIterateRecursively | kIORegistryIterateParents, &iter);
-    
-    if (!iter)
-        return 0;
-
-    if (rc != KERN_SUCCESS)
-    {
-        IOObjectRelease(iter);
-        return 0;
-    } /* if */
-
-    IOObjectRetain(service);  /* add an extra object reference... */
-
-    do
-    {
-        if (darwinIsWholeMedia(service))
-        {
-            if ( (IOObjectConformsTo(service, kIOCDMediaClass)) ||
-                 (IOObjectConformsTo(service, kIODVDMediaClass)) )
-            {
-                retval = 1;
-            } /* if */
-        } /* if */
-        IOObjectRelease(service);
-    } while ((service = IOIteratorNext(iter)) && (!retval));
-                
-    IOObjectRelease(iter);
-    IOObjectRelease(service);
-
-    return retval;
-} /* darwinIsMountedDisc */
-
-#endif /* !defined(PHYSFS_NO_CDROM_SUPPORT) */
-
-
-void __PHYSFS_platformDetectAvailableCDs(PHYSFS_StringCallback cb, void *data)
-{
-#if !defined(PHYSFS_NO_CDROM_SUPPORT)
-    const char *devPrefix = "/dev/";
-    const int prefixLen = strlen(devPrefix);
-    mach_port_t masterPort = 0;
-    struct statfs *mntbufp;
-    int i, mounts;
-
-    if (IOMasterPort(MACH_PORT_NULL, &masterPort) != KERN_SUCCESS)
-        BAIL_MACRO(PHYSFS_ERR_OS_ERROR, ) /*return void*/;
-
-    mounts = getmntinfo(&mntbufp, MNT_WAIT);  /* NOT THREAD SAFE! */
-    for (i = 0; i < mounts; i++)
-    {
-        char *dev = mntbufp[i].f_mntfromname;
-        char *mnt = mntbufp[i].f_mntonname;
-        if (strncmp(dev, devPrefix, prefixLen) != 0)  /* a virtual device? */
-            continue;
-
-        dev += prefixLen;
-        if (darwinIsMountedDisc(dev, masterPort))
-            cb(data, mnt);
-    } /* for */
-#endif /* !defined(PHYSFS_NO_CDROM_SUPPORT) */
-} /* __PHYSFS_platformDetectAvailableCDs */
-
-
-static char *convertCFString(CFStringRef cfstr)
-{
-    CFIndex len = CFStringGetMaximumSizeForEncoding(CFStringGetLength(cfstr),
-                                                    kCFStringEncodingUTF8) + 1;
-    char *retval = (char *) allocator.Malloc(len);
-    BAIL_IF_MACRO(!retval, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
-
-    if (CFStringGetCString(cfstr, retval, len, kCFStringEncodingUTF8))
-    {
-        /* shrink overallocated buffer if possible... */
-        CFIndex newlen = strlen(retval) + 1;
-        if (newlen < len)
-        {
-            void *ptr = allocator.Realloc(retval, newlen);
-            if (ptr != NULL)
-                retval = (char *) ptr;
-        } /* if */
-    } /* if */
-
-    else  /* probably shouldn't fail, but just in case... */
-    {
-        allocator.Free(retval);
-        BAIL_MACRO(PHYSFS_ERR_OUT_OF_MEMORY, NULL);
-    } /* else */
-
-    return retval;
-} /* convertCFString */
-
-
-char *__PHYSFS_platformCalcBaseDir(const char *argv0)
-{
-    CFURLRef cfurl = NULL;
-    CFStringRef cfstr = NULL;
-    CFMutableStringRef cfmutstr = NULL;
-    char *retval = NULL;
-
-    cfurl = CFBundleCopyBundleURL(CFBundleGetMainBundle());
-    BAIL_IF_MACRO(cfurl == NULL, PHYSFS_ERR_OS_ERROR, NULL);
-    cfstr = CFURLCopyFileSystemPath(cfurl, kCFURLPOSIXPathStyle);
-    CFRelease(cfurl);
-    BAIL_IF_MACRO(!cfstr, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
-    cfmutstr = CFStringCreateMutableCopy(cfallocator, 0, cfstr);
-    CFRelease(cfstr);
-    BAIL_IF_MACRO(!cfmutstr, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
-    CFStringAppendCString(cfmutstr, "/", kCFStringEncodingUTF8);
-    retval = convertCFString(cfmutstr);
-    CFRelease(cfmutstr);
-
-    return retval;  /* whew. */
-} /* __PHYSFS_platformCalcBaseDir */
-
-
-char *__PHYSFS_platformCalcPrefDir(const char *org, const char *app)
-{
-    /* !!! FIXME: there's a real API to determine this */
-    const char *userdir = __PHYSFS_getUserDir();
-    const char *append = "Library/Application Support/";
-    const size_t len = strlen(userdir) + strlen(append) + strlen(app) + 2;
-    char *retval = allocator.Malloc(len);
-    BAIL_IF_MACRO(!retval, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
-    snprintf(retval, len, "%s%s%s/", userdir, append, app);
-    return retval;
-} /* __PHYSFS_platformCalcPrefDir */
-
-
-/* Platform allocator uses default CFAllocator at PHYSFS_init() time. */
-
-static CFAllocatorRef cfallocdef = NULL;
-
-static int macosxAllocatorInit(void)
-{
-    int retval = 0;
-    cfallocdef = CFAllocatorGetDefault();
-    retval = (cfallocdef != NULL);
-    if (retval)
-        CFRetain(cfallocdef);
-    return retval;
-} /* macosxAllocatorInit */
-
-
-static void macosxAllocatorDeinit(void)
-{
-    if (cfallocdef != NULL)
-    {
-        CFRelease(cfallocdef);
-        cfallocdef = NULL;
-    } /* if */
-} /* macosxAllocatorDeinit */
-
-
-static void *macosxAllocatorMalloc(PHYSFS_uint64 s)
-{
-    if (!__PHYSFS_ui64FitsAddressSpace(s))
-        BAIL_MACRO(PHYSFS_ERR_OUT_OF_MEMORY, NULL);
-    return CFAllocatorAllocate(cfallocdef, (CFIndex) s, 0);
-} /* macosxAllocatorMalloc */
-
-
-static void *macosxAllocatorRealloc(void *ptr, PHYSFS_uint64 s)
-{
-    if (!__PHYSFS_ui64FitsAddressSpace(s))
-        BAIL_MACRO(PHYSFS_ERR_OUT_OF_MEMORY, NULL);
-    return CFAllocatorReallocate(cfallocdef, ptr, (CFIndex) s, 0);
-} /* macosxAllocatorRealloc */
-
-
-static void macosxAllocatorFree(void *ptr)
-{
-    CFAllocatorDeallocate(cfallocdef, ptr);
-} /* macosxAllocatorFree */
-
-
-int __PHYSFS_platformSetDefaultAllocator(PHYSFS_Allocator *a)
-{
-    allocator.Init = macosxAllocatorInit;
-    allocator.Deinit = macosxAllocatorDeinit;
-    allocator.Malloc = macosxAllocatorMalloc;
-    allocator.Realloc = macosxAllocatorRealloc;
-    allocator.Free = macosxAllocatorFree;
-    return 1;  /* return non-zero: we're supplying custom allocator. */
-} /* __PHYSFS_platformSetDefaultAllocator */
-
-#endif /* PHYSFS_PLATFORM_MACOSX */
-
-/* end of macosx.c ... */
-