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try to build gdisk
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‎.github/workflows/build.yml‎

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name: Build on-device support tools
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on:
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push:
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paths:
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- 'tools/**'
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workflow_dispatch:
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jobs:
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build-darwin:
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strategy:
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matrix:
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include:
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- arch: x86_64
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gnu_triple: aarch64-apple-darwin
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os: iphoneos
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minos: 11.0
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- arch: arm64
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gnu_triple: aarch64-apple-darwin
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os: appletvos
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minos: 11.0
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runs-on: macos-15
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env:
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GPTFDISK_VERSION: 1.0.10
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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with:
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fetch-depth: 0
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- name: Install dependencies (packages)
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run: |
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brew install make
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curl -LO https://github.com/ProcursusTeam/ldid/releases/download/v2.1.5-procursus7/ldid_macosx_x86_64
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sudo install -m755 ldid_macosx_x86_64 /usr/local/bin/ldid
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- name: Download dependencies
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run: |
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echo "SDK=$(xcrun -sdk ${{ matrix.os }} --show-sdk-path)" >> $GITHUB_ENV
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curl -LO https://sourceforge.net/projects/gptfdisk/files/gptfdisk/${{ env.GPTFDISK_VERSION }}/gptfdisk-${{ env.GPTFDISK_VERSION }}.tar.gz
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tar -xf gptfdisk-${{ env.GPTFDISK_VERSION }}.tar.gz
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- name: Setup environment
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run: |
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mkdir sysroot out
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echo "DESTDIR=$(pwd)/sysroot" >> $GITHUB_ENV
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echo "PREFIX=/usr/local" >> $GITHUB_ENV
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echo "PKG_CONFIG_PATH=$(pwd)/sysroot/usr/local/lib/pkgconfig" >> $GITHUB_ENV
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echo "CONFIGURE_ARGS=--prefix=/usr/local --disable-shared --enable-static --build=x86_64-apple-darwin --host=${{ matrix.gnu_triple }}" >> $GITHUB_ENV
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echo "CC=$(xcrun --find cc)" >> $GITHUB_ENV
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echo "CXX=$(xcrun --find c++)" >> $GITHUB_ENV
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echo "CPP=$(xcrun --find cc) -E" >> $GITHUB_ENV
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echo "CFLAGS=-g -Os -isystem ${{ env.SDK }}/usr/include/c++/v1 -arch ${{ matrix.arch }} -m${{ matrix.os }}-version-min=${{ matrix.minos }} -isysroot ${{ env.SDK }} -isystem $(pwd)/sysroot/usr/local/include -Os -g -flto=full -Wl,-object_path_lto,lto.o -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64" >> $GITHUB_ENV
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echo "CPPFLAGS=-g -Os -isystem ${{ env.SDK }}/usr/include/c++/v1 -arch ${{ matrix.arch }} -m${{ matrix.os }}-version-min=${{ matrix.minos }} -isysroot ${{ env.SDK }} -isystem $(pwd)/sysroot/usr/local/include -Wno-error-implicit-function-declaration -Os -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64" >> $GITHUB_ENV
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echo "CXXFLAGS=-stdlib=libc++ -g -Os -isystem$(TARGET_SYSROOT)/usr/include/c++/v1 -isysroot ${{ env.SDK }} -arch ${{ matrix.arch }} -m${{ matrix.os }}-version-min=${{ matrix.minos }} -isystem $(pwd)/sysroot/usr/local/include -Os -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64" >> $GITHUB_ENV
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echo "LDFLAGS=-g -Wl,-dead_strip -arch ${{ matrix.arch }} -isysroot ${{ env.SDK }} -m${{ matrix.os }}-version-min=${{ matrix.minos }} -L$(pwd)/sysroot/usr/local/lib" >> $GITHUB_ENV
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echo "CFLAGS_FOR_BUILD=-arch $(uname -m) -isysroot $(xcrun -sdk macosx --show-sdk-path) -Os" >> $GITHUB_ENV
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echo "CXXFLAGS_FOR_BUILD=-stdlib=libc++ -arch $(uname -m) -isysroot $(xcrun -sdk macosx --show-sdk-path) -Os" >> $GITHUB_ENV
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echo "CPPFLAGS_FOR_BUILD=-arch $(uname -m) -isysroot $(xcrun -sdk macosx --show-sdk-path) -Wno-error-implicit-function-declaration -Os" >> $GITHUB_ENV
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echo "LDFLAGS_FOR_BUILD=-Wl,-dead_strip" >> $GITHUB_ENV
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- name: Prepare headers
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if: matrix.os != 'macosx'
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run: |
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mkdir -p sysroot/{{,System}/Library/Frameworks,/usr/{local/include/{bsm,objc,os/internal,sys,firehose,CoreFoundation,FSEvents,IOKit/kext,libkern,kern,arm,{mach/,}machine,CommonCrypto,Security,CoreSymbolication,Kernel/{kern,IOKit,libkern},rpc,rpcsvc,xpc/private,ktrace,mach-o,dispatch},lib/pkgconfig,/local/lib}}
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MACOSX_SYSROOT=$(xcrun -sdk macosx --show-sdk-path)
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TARGET_SYSROOT=$(xcrun -sdk ${{ matrix.os }} --show-sdk-path)
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cp -af ${MACOSX_SYSROOT}/usr/include/{arpa,bsm,hfs,net,xpc,netinet,servers,timeconv.h,launch.h} sysroot/usr/local/include
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cp -af ${MACOSX_SYSROOT}/usr/include/objc/objc-runtime.h sysroot/usr/local/include/objc
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cp -af ${MACOSX_SYSROOT}/usr/include/libkern/{OSDebug.h,OSKextLib.h,OSReturn.h,OSThermalNotification.h,OSTypes.h,machine} sysroot/usr/local/include/libkern
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cp -af ${MACOSX_SYSROOT}/usr/include/kern sysroot/usr/local/include
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cp -af ${MACOSX_SYSROOT}/usr/include/sys/{tty*,ptrace,kern*,random,reboot,user,vnode,disk,vmmeter,conf}.h sysroot/usr/local/include/sys
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cp -af ${MACOSX_SYSROOT}/System/Library/Frameworks/Kernel.framework/Versions/Current/Headers/sys/disklabel.h sysroot/usr/local/include/sys
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cp -af ${MACOSX_SYSROOT}/System/Library/Frameworks/IOKit.framework/Headers/{AppleConvergedIPCKeys.h,IOBSD.h,IOCFBundle.h,IOCFPlugIn.h,IOCFURLAccess.h,IOKitServer.h,IORPC.h,IOSharedLock.h,IOUserServer.h,audio,avc,firewire,graphics,hid,hidsystem,i2c,iokitmig.h,kext,ndrvsupport,network,ps,pwr_mgt,sbp2,scsi,serial,storage,stream,usb,video} sysroot/usr/local/include/IOKit
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cp -af ${MACOSX_SYSROOT}/System/Library/Frameworks/Security.framework/Headers/{mds_schema,oidsalg,SecKeychainSearch,certextensions,Authorization,eisl,SecDigestTransform,SecKeychainItem,oidscrl,cssmcspi,CSCommon,cssmaci,SecCode,CMSDecoder,oidscert,SecRequirement,AuthSession,SecReadTransform,oids,cssmconfig,cssmkrapi,SecPolicySearch,SecAccess,cssmtpi,SecACL,SecEncryptTransform,cssmapi,cssmcli,mds,x509defs,oidsbase,SecSignVerifyTransform,cssmspi,cssmkrspi,SecTask,cssmdli,SecAsn1Coder,cssm,SecTrustedApplication,SecCodeHost,SecCustomTransform,oidsattr,SecIdentitySearch,cssmtype,SecAsn1Types,emmtype,SecTransform,SecTrustSettings,SecStaticCode,emmspi,SecTransformReadTransform,SecKeychain,SecDecodeTransform,CodeSigning,AuthorizationPlugin,cssmerr,AuthorizationTags,CMSEncoder,SecEncodeTransform,SecureDownload,SecAsn1Templates,AuthorizationDB,SecCertificateOIDs,cssmapple}.h sysroot/usr/local/include/Security
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cp -af ${MACOSX_SYSROOT}/usr/include/{ar,bootstrap,launch,libc,libcharset,localcharset,nlist,NSSystemDirectories,tzfile,vproc}.h sysroot/usr/local/include
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cp -af ${MACOSX_SYSROOT}/usr/include/mach/{*.defs,{mach_vm,shared_region}.h} sysroot/usr/local/include/mach
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cp -af ${MACOSX_SYSROOT}/usr/include/mach/machine/*.defs sysroot/usr/local/include/mach/machine
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cp -af ${MACOSX_SYSROOT}/usr/include/rpc/pmap_clnt.h sysroot/usr/local/include/rpc
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cp -af ${MACOSX_SYSROOT}/usr/include/rpcsvc/yp{_prot,clnt}.h sysroot/usr/local/include/rpcsvc
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cp -af ${TARGET_SYSROOT}/usr/include/mach/machine/thread_state.h sysroot/usr/local/include/mach/machine
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cp -af ${TARGET_SYSROOT}/usr/include/mach/arm sysroot/usr/local/include/mach
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cp -af ${MACOSX_SYSROOT}/System/Library/Frameworks/IOKit.framework/Headers/* sysroot/usr/local/include/IOKit
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gsed -E s/'__IOS_PROHIBITED|__TVOS_PROHIBITED|__WATCHOS_PROHIBITED'//g < ${TARGET_SYSROOT}/usr/include/stdlib.h > sysroot/usr/local/include/stdlib.h
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gsed -E s/'__IOS_PROHIBITED|__TVOS_PROHIBITED|__WATCHOS_PROHIBITED'//g < ${TARGET_SYSROOT}/usr/include/time.h > sysroot/usr/local/include/time.h
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gsed -E s/'__IOS_PROHIBITED|__TVOS_PROHIBITED|__WATCHOS_PROHIBITED'//g < ${TARGET_SYSROOT}/usr/include/unistd.h > sysroot/usr/local/include/unistd.h
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gsed -E s/'__IOS_PROHIBITED|__TVOS_PROHIBITED|__WATCHOS_PROHIBITED'//g < ${TARGET_SYSROOT}/usr/include/mach/task.h > sysroot/usr/local/include/mach/task.h
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gsed -E s/'__IOS_PROHIBITED|__TVOS_PROHIBITED|__WATCHOS_PROHIBITED'//g < ${TARGET_SYSROOT}/usr/include/mach/mach_host.h > sysroot/usr/local/include/mach/mach_host.h
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gsed -E s/'__IOS_PROHIBITED|__TVOS_PROHIBITED|__WATCHOS_PROHIBITED'//g < ${TARGET_SYSROOT}/usr/include/ucontext.h > sysroot/usr/local/include/ucontext.h
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gsed -E s/'__IOS_PROHIBITED|__TVOS_PROHIBITED|__WATCHOS_PROHIBITED'//g < ${TARGET_SYSROOT}/usr/include/signal.h > sysroot/usr/local/include/signal.h
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gsed -E /'__API_UNAVAILABLE'/d < ${TARGET_SYSROOT}/usr/include/pthread.h > sysroot/usr/local/include/pthread.h
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gsed -i -E s/'__API_UNAVAILABLE\(.*\)'// sysroot/usr/local/include/IOKit/IOKitLib.h
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- name: Build resize tool
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run: |
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${{ env.CC }} ${{ env.CFLAGS }} ${{ env.LDFLAGS}} tools/resize.c -o out/resize_apfs
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ldid -Stools/resize.xml out/resize_apfs
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- name: Build gdisk
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run: |
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cd gptfdisk-${{ env.GPTFDISK_VERSION }}
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sed -i -e 's|/local/|/meow/|g' Makefile.mac
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gmake -j$(sysctl -n hw.ncpu) -f Makefile.mac gdisk
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ldid -S../tools/gdisk.xml gdisk
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install -m755 gdisk ../out
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- uses: actions/upload-artifact@v4
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with:
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name: hoolock-support
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path: |
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out/gdisk
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out/resize_apfs

‎.gitignore‎

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.DS_Store
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tools/resize

‎tools/resize.c‎

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#include <stdio.h>
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#include <stdint.h>
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#include <dlfcn.h>
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#include <stdlib.h>
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#include <mach/mach.h>
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#include <TargetConditionals.h>
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#if TARGET_OS_OSX || TARGET_OS_SIMULATOR
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#define APFS_FW_PATH "/System/Library/PrivateFrameworks/APFS.framework/Versions/A/APFS"
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#else
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#define APFS_FW_PATH "/System/Library/PrivateFrameworks/APFS.framework/APFS"
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#endif
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int (*APFSContainerResize)(const char *bsdname, uint64_t newSize);
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int main(int argc, const char * argv[]) {
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size_t new_size;
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char* endptr;
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if (argc != 3) {
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fprintf(stderr, "usage: %s <APFS container BSD name> <new size in bytes>\n", argv[0]);
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return -1;
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}
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new_size = strtoull(argv[2], &endptr, 0);
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if (argv[2] == endptr) {
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fprintf(stderr, "Invalid new size given\n");
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return -1;
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}
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void *handle = dlopen(APFS_FW_PATH, RTLD_LAZY);
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if (!handle) {
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fprintf(stderr, "Could not load APFS.framework: %s", dlerror());
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return -1;
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}
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APFSContainerResize = dlsym(handle, "APFSContainerResize");
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if (!APFSContainerResize) {
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fprintf(stderr, "Function APFSContainerResize not found: %s", dlerror());
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dlclose(handle);
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return -1;
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}
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printf("About to resize %s to %s bytes, in an online resize, device will become unresponsive.\n", argv[1], argv[2]);
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int result = APFSContainerResize(argv[1], new_size);
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if (result != 0) {
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fprintf(stderr,"APFSContainerResize failed: %d: %s\n", result, mach_error_string(result));
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return -1;
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}
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printf("The operation completed successfully\n");
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dlclose(handle);
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return 0;
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}

‎tools/resize.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>com.apple.security.iokit-user-client-class</key>
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<array>
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<string>AppleAPFSUserClient</string>
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</array>
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<key>com.apple.private.security.no-container</key>
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<true/>
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<key>platform-application</key>
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<true/>
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</dict>
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</plist>

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