diff options
Diffstat (limited to 'source/external/physfs/physfs_platform_apple.m')
| -rw-r--r-- | source/external/physfs/physfs_platform_apple.m | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/source/external/physfs/physfs_platform_apple.m b/source/external/physfs/physfs_platform_apple.m new file mode 100644 index 0000000..fe50f4b --- /dev/null +++ b/source/external/physfs/physfs_platform_apple.m @@ -0,0 +1,188 @@ +/* + * Apple platform (macOS, iOS, watchOS, etc) 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_APPLE + +#include <Foundation/Foundation.h> + +#include "physfs_internal.h" + +int __PHYSFS_platformInit(void) +{ + return 1; /* success. */ +} /* __PHYSFS_platformInit */ + + +void __PHYSFS_platformDeinit(void) +{ + /* no-op */ +} /* __PHYSFS_platformDeinit */ + + +char *__PHYSFS_platformCalcBaseDir(const char *argv0) +{ + @autoreleasepool + { + NSString *path = [[NSBundle mainBundle] bundlePath]; + BAIL_IF(!path, PHYSFS_ERR_OS_ERROR, NULL); + size_t len = [path lengthOfBytesUsingEncoding:NSUTF8StringEncoding]; + char *retval = (char *) allocator.Malloc(len + 2); + BAIL_IF(!retval, PHYSFS_ERR_OUT_OF_MEMORY, NULL); + [path getCString:retval maxLength:len+1 encoding:NSUTF8StringEncoding]; + retval[len] = '/'; + retval[len+1] = '\0'; + return retval; /* whew. */ + } /* @autoreleasepool */ +} /* __PHYSFS_platformCalcBaseDir */ + + +char *__PHYSFS_platformCalcPrefDir(const char *org, const char *app) +{ + @autoreleasepool + { + NSArray *paths = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, TRUE); + BAIL_IF(!paths, PHYSFS_ERR_OS_ERROR, NULL); + NSString *path = (NSString *) paths[0]; + BAIL_IF(!path, PHYSFS_ERR_OS_ERROR, NULL); + size_t len = [path lengthOfBytesUsingEncoding:NSUTF8StringEncoding]; + const size_t applen = strlen(app); + char *retval = (char *) allocator.Malloc(len + applen + 3); + BAIL_IF(!retval, PHYSFS_ERR_OUT_OF_MEMORY, NULL); + [path getCString:retval maxLength:len+1 encoding:NSUTF8StringEncoding]; + snprintf(retval + len, applen + 3, "/%s/", app); + return retval; /* whew. */ + } /* @autoreleasepool */ +} /* __PHYSFS_platformCalcPrefDir */ + + +/* CD-ROM detection code... */ + +/* + * Code based on sample from Apple Developer Connection: + * https://developer.apple.com/samplecode/Sample_Code/Devices_and_Hardware/Disks/VolumeToBSDNode/VolumeToBSDNode.c.htm + */ + +#if !defined(PHYSFS_NO_CDROM_SUPPORT) + +#include <IOKit/IOKitLib.h> +#include <IOKit/storage/IOMedia.h> +#include <IOKit/storage/IOCDMedia.h> +#include <IOKit/storage/IODVDMedia.h> +#include <sys/mount.h> + +static int darwinIsWholeMedia(io_service_t service) +{ + int retval = 0; + CFTypeRef wholeMedia; + + if (!IOObjectConformsTo(service, kIOMediaClass)) + return 0; + + wholeMedia = IORegistryEntryCreateCFProperty(service, + CFSTR(kIOMediaWholeKey), + NULL, 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(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 */ + +#endif /* PHYSFS_PLATFORM_APPLE */ + +/* end of physfs_platform_apple.m ... */ + |