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author | Wim <wim@42.be> | 2022-01-31 00:27:37 +0100 |
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committer | Wim <wim@42.be> | 2022-03-20 14:57:48 +0100 |
commit | e3cafeaf9292f67459ff1d186f68283bfaedf2ae (patch) | |
tree | b69c39620aa91dba695b3b935c6651c0fb37ce75 /vendor/modernc.org/libc/libc_linux_amd64.go | |
parent | e7b193788a56ee7cdb02a87a9db0ad6724ef66d5 (diff) | |
download | matterbridge-msglm-e3cafeaf9292f67459ff1d186f68283bfaedf2ae.tar.gz matterbridge-msglm-e3cafeaf9292f67459ff1d186f68283bfaedf2ae.tar.bz2 matterbridge-msglm-e3cafeaf9292f67459ff1d186f68283bfaedf2ae.zip |
Add dependencies/vendor (whatsapp)
Diffstat (limited to 'vendor/modernc.org/libc/libc_linux_amd64.go')
-rw-r--r-- | vendor/modernc.org/libc/libc_linux_amd64.go | 467 |
1 files changed, 467 insertions, 0 deletions
diff --git a/vendor/modernc.org/libc/libc_linux_amd64.go b/vendor/modernc.org/libc/libc_linux_amd64.go new file mode 100644 index 00000000..23e4f853 --- /dev/null +++ b/vendor/modernc.org/libc/libc_linux_amd64.go @@ -0,0 +1,467 @@ +// Copyright 2020 The Libc Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package libc // import "modernc.org/libc" + +import ( + "os" + "strings" + "unicode" + "unsafe" + + "golang.org/x/sys/unix" + "modernc.org/libc/errno" + "modernc.org/libc/fcntl" + "modernc.org/libc/signal" + "modernc.org/libc/sys/types" + "modernc.org/libc/wctype" +) + +// int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact); +func Xsigaction(t *TLS, signum int32, act, oldact uintptr) int32 { + // musl/arch/x86_64/ksigaction.h + // + // struct k_sigaction { + // void (*handler)(int); + // unsigned long flags; + // void (*restorer)(void); + // unsigned mask[2]; + // }; + type k_sigaction struct { + handler uintptr + flags ulong + restorer uintptr + mask [2]uint32 + } + + var kact, koldact uintptr + if act != 0 { + sz := int(unsafe.Sizeof(k_sigaction{})) + kact = t.Alloc(sz) + defer t.Free(sz) + *(*k_sigaction)(unsafe.Pointer(kact)) = k_sigaction{ + handler: (*signal.Sigaction)(unsafe.Pointer(act)).F__sigaction_handler.Fsa_handler, + flags: ulong((*signal.Sigaction)(unsafe.Pointer(act)).Fsa_flags), + restorer: (*signal.Sigaction)(unsafe.Pointer(act)).Fsa_restorer, + } + Xmemcpy(t, kact+unsafe.Offsetof(k_sigaction{}.mask), act+unsafe.Offsetof(signal.Sigaction{}.Fsa_mask), types.Size_t(unsafe.Sizeof(k_sigaction{}.mask))) + } + if oldact != 0 { + panic(todo("")) + } + + if _, _, err := unix.Syscall6(unix.SYS_RT_SIGACTION, uintptr(signum), kact, koldact, unsafe.Sizeof(k_sigaction{}.mask), 0, 0); err != 0 { + t.setErrno(err) + return -1 + } + + if oldact != 0 { + panic(todo("")) + } + + return 0 +} + +// int fcntl(int fd, int cmd, ... /* arg */ ); +func Xfcntl64(t *TLS, fd, cmd int32, args uintptr) int32 { + var arg uintptr + if args != 0 { + arg = *(*uintptr)(unsafe.Pointer(args)) + } + if cmd == fcntl.F_SETFL { + arg |= unix.O_LARGEFILE + } + n, _, err := unix.Syscall(unix.SYS_FCNTL, uintptr(fd), uintptr(cmd), arg) + if err != 0 { + // if dmesgs { + // dmesg("%v: fd %v cmd %v", origin(1), fcntlCmdStr(fd), cmd) + // } + t.setErrno(err) + return -1 + } + + // if dmesgs { + // dmesg("%v: %d %s %#x: %d", origin(1), fd, fcntlCmdStr(cmd), arg, n) + // } + return int32(n) +} + +// int lstat(const char *pathname, struct stat *statbuf); +func Xlstat64(t *TLS, pathname, statbuf uintptr) int32 { + if _, _, err := unix.Syscall(unix.SYS_LSTAT, pathname, statbuf, 0); err != 0 { + // if dmesgs { + // dmesg("%v: %q: %v", origin(1), GoString(pathname), err) + // } + t.setErrno(err) + return -1 + } + + // if dmesgs { + // dmesg("%v: %q: ok", origin(1), GoString(pathname)) + // } + return 0 +} + +// int stat(const char *pathname, struct stat *statbuf); +func Xstat64(t *TLS, pathname, statbuf uintptr) int32 { + if _, _, err := unix.Syscall(unix.SYS_STAT, pathname, statbuf, 0); err != 0 { + // if dmesgs { + // dmesg("%v: %q: %v", origin(1), GoString(pathname), err) + // } + t.setErrno(err) + return -1 + } + + // if dmesgs { + // dmesg("%v: %q: ok", origin(1), GoString(pathname)) + // } + return 0 +} + +// int fstat(int fd, struct stat *statbuf); +func Xfstat64(t *TLS, fd int32, statbuf uintptr) int32 { + if _, _, err := unix.Syscall(unix.SYS_FSTAT, uintptr(fd), statbuf, 0); err != 0 { + // if dmesgs { + // dmesg("%v: fd %d: %v", origin(1), fd, err) + // } + t.setErrno(err) + return -1 + } + + // if dmesgs { + // dmesg("%v: %d size %#x: ok\n%+v", origin(1), fd, (*stat.Stat)(unsafe.Pointer(statbuf)).Fst_size, (*stat.Stat)(unsafe.Pointer(statbuf))) + // } + return 0 +} + +func Xmmap(t *TLS, addr uintptr, length types.Size_t, prot, flags, fd int32, offset types.Off_t) uintptr { + return Xmmap64(t, addr, length, prot, flags, fd, offset) +} + +// void *mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset); +func Xmmap64(t *TLS, addr uintptr, length types.Size_t, prot, flags, fd int32, offset types.Off_t) uintptr { + data, _, err := unix.Syscall6(unix.SYS_MMAP, addr, uintptr(length), uintptr(prot), uintptr(flags), uintptr(fd), uintptr(offset)) + if err != 0 { + // if dmesgs { + // dmesg("%v: %v", origin(1), err) + // } + t.setErrno(err) + return ^uintptr(0) // (void*)-1 + } + + // if dmesgs { + // dmesg("%v: %#x", origin(1), data) + // } + return data +} + +// void *mremap(void *old_address, size_t old_size, size_t new_size, int flags, ... /* void *new_address */); +func Xmremap(t *TLS, old_address uintptr, old_size, new_size types.Size_t, flags int32, args uintptr) uintptr { + var arg uintptr + if args != 0 { + arg = *(*uintptr)(unsafe.Pointer(args)) + } + data, _, err := unix.Syscall6(unix.SYS_MREMAP, old_address, uintptr(old_size), uintptr(new_size), uintptr(flags), arg, 0) + if err != 0 { + // if dmesgs { + // dmesg("%v: %v", origin(1), err) + // } + t.setErrno(err) + return ^uintptr(0) // (void*)-1 + } + + // if dmesgs { + // dmesg("%v: %#x", origin(1), data) + // } + return data +} + +// int ftruncate(int fd, off_t length); +func Xftruncate64(t *TLS, fd int32, length types.Off_t) int32 { + if _, _, err := unix.Syscall(unix.SYS_FTRUNCATE, uintptr(fd), uintptr(length), 0); err != 0 { + // if dmesgs { + // dmesg("%v: fd %d: %v", origin(1), fd, err) + // } + t.setErrno(err) + return -1 + } + + // if dmesgs { + // dmesg("%v: %d %#x: ok", origin(1), fd, length) + // } + return 0 +} + +// off64_t lseek64(int fd, off64_t offset, int whence); +func Xlseek64(t *TLS, fd int32, offset types.Off_t, whence int32) types.Off_t { + n, _, err := unix.Syscall(unix.SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence)) + if err != 0 { + // if dmesgs { + // dmesg("%v: fd %v, off %#x, whence %v: %v", origin(1), fd, offset, whenceStr(whence), err) + // } + t.setErrno(err) + return -1 + } + + // if dmesgs { + // dmesg("%v: fd %v, off %#x, whence %v: %#x", origin(1), fd, offset, whenceStr(whence), n) + // } + return types.Off_t(n) +} + +// int utime(const char *filename, const struct utimbuf *times); +func Xutime(t *TLS, filename, times uintptr) int32 { + if _, _, err := unix.Syscall(unix.SYS_UTIME, filename, times, 0); err != 0 { + t.setErrno(err) + return -1 + } + + return 0 +} + +// unsigned int alarm(unsigned int seconds); +func Xalarm(t *TLS, seconds uint32) uint32 { + n, _, err := unix.Syscall(unix.SYS_ALARM, uintptr(seconds), 0, 0) + if err != 0 { + panic(todo("")) + } + + return uint32(n) +} + +// time_t time(time_t *tloc); +func Xtime(t *TLS, tloc uintptr) types.Time_t { + n, _, err := unix.Syscall(unix.SYS_TIME, tloc, 0, 0) + if err != 0 { + t.setErrno(err) + return types.Time_t(-1) + } + + if tloc != 0 { + *(*types.Time_t)(unsafe.Pointer(tloc)) = types.Time_t(n) + } + return types.Time_t(n) +} + +// int getrlimit(int resource, struct rlimit *rlim); +func Xgetrlimit64(t *TLS, resource int32, rlim uintptr) int32 { + if _, _, err := unix.Syscall(unix.SYS_GETRLIMIT, uintptr(resource), uintptr(rlim), 0); err != 0 { + t.setErrno(err) + return -1 + } + + return 0 +} + +// int mkdir(const char *path, mode_t mode); +func Xmkdir(t *TLS, path uintptr, mode types.Mode_t) int32 { + if _, _, err := unix.Syscall(unix.SYS_MKDIR, path, uintptr(mode), 0); err != 0 { + t.setErrno(err) + return -1 + } + + // if dmesgs { + // dmesg("%v: %q: ok", origin(1), GoString(path)) + // } + return 0 +} + +// int symlink(const char *target, const char *linkpath); +func Xsymlink(t *TLS, target, linkpath uintptr) int32 { + if _, _, err := unix.Syscall(unix.SYS_SYMLINK, target, linkpath, 0); err != 0 { + t.setErrno(err) + return -1 + } + + // if dmesgs { + // dmesg("%v: %q %q: ok", origin(1), GoString(target), GoString(linkpath)) + // } + return 0 +} + +// int chmod(const char *pathname, mode_t mode) +func Xchmod(t *TLS, pathname uintptr, mode types.Mode_t) int32 { + if _, _, err := unix.Syscall(unix.SYS_CHMOD, pathname, uintptr(mode), 0); err != 0 { + t.setErrno(err) + return -1 + } + + // if dmesgs { + // dmesg("%v: %q %#o: ok", origin(1), GoString(pathname), mode) + // } + return 0 +} + +// int utimes(const char *filename, const struct timeval times[2]); +func Xutimes(t *TLS, filename, times uintptr) int32 { + if _, _, err := unix.Syscall(unix.SYS_UTIMES, filename, times, 0); err != 0 { + t.setErrno(err) + return -1 + } + + // if dmesgs { + // dmesg("%v: %q: ok", origin(1), GoString(filename)) + // } + return 0 +} + +// int unlink(const char *pathname); +func Xunlink(t *TLS, pathname uintptr) int32 { + if _, _, err := unix.Syscall(unix.SYS_UNLINK, pathname, 0, 0); err != 0 { + t.setErrno(err) + return -1 + } + + // if dmesgs { + // dmesg("%v: %q: ok", origin(1), GoString(pathname)) + // } + return 0 +} + +// int access(const char *pathname, int mode); +func Xaccess(t *TLS, pathname uintptr, mode int32) int32 { + if _, _, err := unix.Syscall(unix.SYS_ACCESS, pathname, uintptr(mode), 0); err != 0 { + // if dmesgs { + // dmesg("%v: %q: %v", origin(1), GoString(pathname), err) + // } + t.setErrno(err) + return -1 + } + + // if dmesgs { + // dmesg("%v: %q %#o: ok", origin(1), GoString(pathname), mode) + // } + return 0 +} + +// int rmdir(const char *pathname); +func Xrmdir(t *TLS, pathname uintptr) int32 { + if _, _, err := unix.Syscall(unix.SYS_RMDIR, pathname, 0, 0); err != 0 { + t.setErrno(err) + return -1 + } + + // if dmesgs { + // dmesg("%v: %q: ok", origin(1), GoString(pathname)) + // } + return 0 +} + +// int rename(const char *oldpath, const char *newpath); +func Xrename(t *TLS, oldpath, newpath uintptr) int32 { + if _, _, err := unix.Syscall(unix.SYS_RENAME, oldpath, newpath, 0); err != 0 { + t.setErrno(err) + return -1 + } + + return 0 +} + +// int mknod(const char *pathname, mode_t mode, dev_t dev); +func Xmknod(t *TLS, pathname uintptr, mode types.Mode_t, dev types.Dev_t) int32 { + if _, _, err := unix.Syscall(unix.SYS_MKNOD, pathname, uintptr(mode), uintptr(dev)); err != 0 { + t.setErrno(err) + return -1 + } + + return 0 +} + +// int chown(const char *pathname, uid_t owner, gid_t group); +func Xchown(t *TLS, pathname uintptr, owner types.Uid_t, group types.Gid_t) int32 { + if _, _, err := unix.Syscall(unix.SYS_CHOWN, pathname, uintptr(owner), uintptr(group)); err != 0 { + t.setErrno(err) + return -1 + } + + return 0 +} + +// int link(const char *oldpath, const char *newpath); +func Xlink(t *TLS, oldpath, newpath uintptr) int32 { + if _, _, err := unix.Syscall(unix.SYS_LINK, oldpath, newpath, 0); err != 0 { + t.setErrno(err) + return -1 + } + + return 0 +} + +// int pipe(int pipefd[2]); +func Xpipe(t *TLS, pipefd uintptr) int32 { + if _, _, err := unix.Syscall(unix.SYS_PIPE, pipefd, 0, 0); err != 0 { + t.setErrno(err) + return -1 + } + + return 0 +} + +// int dup2(int oldfd, int newfd); +func Xdup2(t *TLS, oldfd, newfd int32) int32 { + n, _, err := unix.Syscall(unix.SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0) + if err != 0 { + t.setErrno(err) + return -1 + } + + return int32(n) +} + +// ssize_t readlink(const char *restrict path, char *restrict buf, size_t bufsize); +func Xreadlink(t *TLS, path, buf uintptr, bufsize types.Size_t) types.Ssize_t { + n, _, err := unix.Syscall(unix.SYS_READLINK, path, buf, uintptr(bufsize)) + if err != 0 { + t.setErrno(err) + return -1 + } + + return types.Ssize_t(n) +} + +// FILE *fopen64(const char *pathname, const char *mode); +func Xfopen64(t *TLS, pathname, mode uintptr) uintptr { + m := strings.ReplaceAll(GoString(mode), "b", "") + var flags int + switch m { + case "r": + flags = os.O_RDONLY + case "r+": + flags = os.O_RDWR + case "w": + flags = os.O_WRONLY | os.O_CREATE | os.O_TRUNC + case "w+": + flags = os.O_RDWR | os.O_CREATE | os.O_TRUNC + case "a": + flags = os.O_WRONLY | os.O_CREATE | os.O_APPEND + case "a+": + flags = os.O_RDWR | os.O_CREATE | os.O_APPEND + default: + panic(m) + } + //TODO- flags |= fcntl.O_LARGEFILE + fd, _, err := unix.Syscall(unix.SYS_OPEN, pathname, uintptr(flags|unix.O_LARGEFILE), 0666) + if err != 0 { + t.setErrno(err) + return 0 + } + + if p := newFile(t, int32(fd)); p != 0 { + return p + } + + Xclose(t, int32(fd)) + t.setErrno(errno.ENOMEM) + return 0 +} + +// int iswspace(wint_t wc); +func Xiswspace(t *TLS, wc wctype.Wint_t) int32 { + return Bool32(unicode.IsSpace(rune(wc))) +} + +// int iswalnum(wint_t wc); +func Xiswalnum(t *TLS, wc wctype.Wint_t) int32 { + return Bool32(unicode.IsLetter(rune(wc)) || unicode.IsNumber(rune(wc))) +} |