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author | 2025-03-09 17:47:56 +0100 | |
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committer | 2025-03-10 01:59:49 +0100 | |
commit | 3ac1ee16f377d31a0fb80c8dae28b6239ac4229e (patch) | |
tree | f61faa581feaaeaba2542b9f2b8234a590684413 /vendor/modernc.org/libc/libc_unix.go | |
parent | [chore] update URLs to forked source (diff) | |
download | gotosocial-3ac1ee16f377d31a0fb80c8dae28b6239ac4229e.tar.xz |
[chore] remove vendor
Diffstat (limited to 'vendor/modernc.org/libc/libc_unix.go')
-rw-r--r-- | vendor/modernc.org/libc/libc_unix.go | 1388 |
1 files changed, 0 insertions, 1388 deletions
diff --git a/vendor/modernc.org/libc/libc_unix.go b/vendor/modernc.org/libc/libc_unix.go deleted file mode 100644 index 1d9f1b12b..000000000 --- a/vendor/modernc.org/libc/libc_unix.go +++ /dev/null @@ -1,1388 +0,0 @@ -// 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. - -//go:build unix && !(linux && (amd64 || arm64 || loong64 || ppc64le || s390x || riscv64 || 386 || arm)) - -package libc // import "modernc.org/libc" - -import ( - "bufio" - // "encoding/hex" - "math" - "math/rand" - "os" - gosignal "os/signal" - "reflect" - "runtime" - "strconv" - "strings" - "sync" - "time" - "unsafe" - - guuid "github.com/google/uuid" - "github.com/ncruces/go-strftime" - "golang.org/x/sys/unix" - "modernc.org/libc/errno" - "modernc.org/libc/grp" - "modernc.org/libc/limits" - "modernc.org/libc/poll" - "modernc.org/libc/pwd" - "modernc.org/libc/signal" - "modernc.org/libc/stdio" - "modernc.org/libc/stdlib" - "modernc.org/libc/sys/types" - ctime "modernc.org/libc/time" -) - -var staticGetpwnam pwd.Passwd - -func init() { - atExit = append(atExit, func() { closePasswd(&staticGetpwnam) }) -} - -// sighandler_t signal(int signum, sighandler_t handler); -func Xsignal(t *TLS, signum int32, handler uintptr) uintptr { //TODO use sigaction? - if __ccgo_strace { - trc("t=%v signum=%v handler=%v, (%v:)", t, signum, handler, origin(2)) - } - signalsMu.Lock() - - defer signalsMu.Unlock() - - r := signals[signum] - signals[signum] = handler - switch handler { - case signal.SIG_DFL: - panic(todo("%v %#x", unix.Signal(signum), handler)) - case signal.SIG_IGN: - switch r { - case signal.SIG_DFL: - gosignal.Ignore(unix.Signal(signum)) //TODO - case signal.SIG_IGN: - gosignal.Ignore(unix.Signal(signum)) - default: - panic(todo("%v %#x", unix.Signal(signum), handler)) - } - default: - switch r { - case signal.SIG_DFL: - c := make(chan os.Signal, 1) - gosignal.Notify(c, unix.Signal(signum)) - go func() { //TODO mechanism to stop/cancel - for { - <-c - var f func(*TLS, int32) - *(*uintptr)(unsafe.Pointer(&f)) = handler - tls := NewTLS() - f(tls, signum) - tls.Close() - } - }() - case signal.SIG_IGN: - panic(todo("%v %#x", unix.Signal(signum), handler)) - default: - panic(todo("%v %#x", unix.Signal(signum), handler)) - } - } - return r -} - -// void rewind(FILE *stream); -func Xrewind(t *TLS, stream uintptr) { - if __ccgo_strace { - trc("t=%v stream=%v, (%v:)", t, stream, origin(2)) - } - Xfseek(t, stream, 0, stdio.SEEK_SET) -} - -// int putchar(int c); -func Xputchar(t *TLS, c int32) int32 { - if __ccgo_strace { - trc("t=%v c=%v, (%v:)", t, c, origin(2)) - } - if _, err := write([]byte{byte(c)}); err != nil { - return stdio.EOF - } - - return int32(c) -} - -// int gethostname(char *name, size_t len); -func Xgethostname(t *TLS, name uintptr, slen types.Size_t) int32 { - if __ccgo_strace { - trc("t=%v name=%v slen=%v, (%v:)", t, name, slen, origin(2)) - } - - if slen == 0 { - return 0 - } - - s, err := os.Hostname() - if err != nil { - panic(todo("")) - } - - n := len(s) - if len(s) >= int(slen) { - n = int(slen) - 1 - } - sh := (*reflect.StringHeader)(unsafe.Pointer(&s)) - copy((*RawMem)(unsafe.Pointer(name))[:n:n], (*RawMem)(unsafe.Pointer(sh.Data))[:n:n]) - *(*byte)(unsafe.Pointer(name + uintptr(n))) = 0 - return 0 -} - -// int remove(const char *pathname); -func Xremove(t *TLS, pathname uintptr) int32 { - if __ccgo_strace { - trc("t=%v pathname=%v, (%v:)", t, pathname, origin(2)) - } - if err := os.Remove(GoString(pathname)); err != nil { - t.setErrno(err) - return -1 - } - return 0 -} - -// long pathconf(const char *path, int name); -func Xpathconf(t *TLS, path uintptr, name int32) long { - if __ccgo_strace { - trc("t=%v path=%v name=%v, (%v:)", t, path, name, origin(2)) - } - panic(todo("")) -} - -// ssize_t recvfrom(int sockfd, void *buf, size_t len, int flags, struct sockaddr *src_addr, socklen_t *addrlen); -func Xrecvfrom(t *TLS, sockfd int32, buf uintptr, len types.Size_t, flags int32, src_addr, addrlen uintptr) types.Ssize_t { - if __ccgo_strace { - trc("t=%v sockfd=%v buf=%v len=%v flags=%v addrlen=%v, (%v:)", t, sockfd, buf, len, flags, addrlen, origin(2)) - } - panic(todo("")) -} - -// ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen); -func Xsendto(t *TLS, sockfd int32, buf uintptr, len types.Size_t, flags int32, src_addr uintptr, addrlen socklen_t) types.Ssize_t { - if __ccgo_strace { - trc("t=%v sockfd=%v buf=%v len=%v flags=%v src_addr=%v addrlen=%v, (%v:)", t, sockfd, buf, len, flags, src_addr, addrlen, origin(2)) - } - panic(todo("")) -} - -// void srand48(long int seedval); -func Xsrand48(t *TLS, seedval long) { - if __ccgo_strace { - trc("t=%v seedval=%v, (%v:)", t, seedval, origin(2)) - } - panic(todo("")) -} - -// long int lrand48(void); -func Xlrand48(t *TLS) long { - if __ccgo_strace { - trc("t=%v, (%v:)", t, origin(2)) - } - panic(todo("")) -} - -// ssize_t sendmsg(int sockfd, const struct msghdr *msg, int flags); -func Xsendmsg(t *TLS, sockfd int32, msg uintptr, flags int32) types.Ssize_t { - if __ccgo_strace { - trc("t=%v sockfd=%v msg=%v flags=%v, (%v:)", t, sockfd, msg, flags, origin(2)) - } - panic(todo("")) -} - -// int poll(struct pollfd *fds, nfds_t nfds, int timeout); -func Xpoll(t *TLS, fds uintptr, nfds poll.Nfds_t, timeout int32) int32 { - if __ccgo_strace { - trc("t=%v fds=%v nfds=%v timeout=%v, (%v:)", t, fds, nfds, timeout, origin(2)) - } - if nfds == 0 { - panic(todo("")) - } - - // if dmesgs { - // dmesg("%v: %#x %v %v, %+v", origin(1), fds, nfds, timeout, (*[1000]unix.PollFd)(unsafe.Pointer(fds))[:nfds:nfds]) - // } - n, err := unix.Poll((*[1000]unix.PollFd)(unsafe.Pointer(fds))[:nfds:nfds], int(timeout)) - // if dmesgs { - // dmesg("%v: %v %v", origin(1), n, err) - // } - if err != nil { - t.setErrno(err) - return -1 - } - - return int32(n) -} - -// struct cmsghdr *CMSG_NXTHDR(struct msghdr *msgh, struct cmsghdr *cmsg); -func X__cmsg_nxthdr(t *TLS, msgh, cmsg uintptr) uintptr { - if __ccgo_strace { - trc("t=%v cmsg=%v, (%v:)", t, cmsg, origin(2)) - } - panic(todo("")) -} - -// wchar_t *wcschr(const wchar_t *wcs, wchar_t wc); -func Xwcschr(t *TLS, wcs uintptr, wc wchar_t) wchar_t { - if __ccgo_strace { - trc("t=%v wcs=%v wc=%v, (%v:)", t, wcs, wc, origin(2)) - } - panic(todo("")) -} - -// gid_t getegid(void); -func Xgetegid(t *TLS) types.Gid_t { - if __ccgo_strace { - trc("t=%v, (%v:)", t, origin(2)) - } - panic(todo("")) -} - -// gid_t getgid(void); -func Xgetgid(t *TLS) types.Gid_t { - if __ccgo_strace { - trc("t=%v, (%v:)", t, origin(2)) - } - panic(todo("")) -} - -// void *shmat(int shmid, const void *shmaddr, int shmflg); -func Xshmat(t *TLS, shmid int32, shmaddr uintptr, shmflg int32) uintptr { - if __ccgo_strace { - trc("t=%v shmid=%v shmaddr=%v shmflg=%v, (%v:)", t, shmid, shmaddr, shmflg, origin(2)) - } - panic(todo("")) -} - -// int shmctl(int shmid, int cmd, struct shmid_ds *buf); -func Xshmctl(t *TLS, shmid, cmd int32, buf uintptr) int32 { - if __ccgo_strace { - trc("t=%v cmd=%v buf=%v, (%v:)", t, cmd, buf, origin(2)) - } - panic(todo("")) -} - -// int shmdt(const void *shmaddr); -func Xshmdt(t *TLS, shmaddr uintptr) int32 { - if __ccgo_strace { - trc("t=%v shmaddr=%v, (%v:)", t, shmaddr, origin(2)) - } - panic(todo("")) -} - -// int getresuid(uid_t *ruid, uid_t *euid, uid_t *suid); -func Xgetresuid(t *TLS, ruid, euid, suid uintptr) int32 { - if __ccgo_strace { - trc("t=%v suid=%v, (%v:)", t, suid, origin(2)) - } - panic(todo("")) -} - -// int getresgid(gid_t *rgid, gid_t *egid, gid_t *sgid); -func Xgetresgid(t *TLS, rgid, egid, sgid uintptr) int32 { - if __ccgo_strace { - trc("t=%v sgid=%v, (%v:)", t, sgid, origin(2)) - } - panic(todo("")) -} - -// FILE *tmpfile(void); -func Xtmpfile(t *TLS) uintptr { - if __ccgo_strace { - trc("t=%v, (%v:)", t, origin(2)) - } - f, err := os.CreateTemp("", "tmpfile-") - if err != nil { - t.setErrno(err) - return 0 - } - - cf := newFile(t, int32(f.Fd())) - AtExit(func() { - nm := f.Name() - file(cf).close(t) - os.Remove(nm) - }) - - return cf -} - -// FILE *fdopen(int fd, const char *mode); -func Xfdopen(t *TLS, fd int32, mode uintptr) uintptr { - if __ccgo_strace { - trc("t=%v fd=%v mode=%v, (%v:)", t, fd, GoString(mode), origin(2)) - } - m := strings.ReplaceAll(GoString(mode), "b", "") - switch m { - case - "a", - "a+", - "r", - "r+", - "w", - "w+": - default: - t.setErrno(errno.EINVAL) - return 0 - } - - p := newFile(t, fd) - if p == 0 { - t.setErrno(errno.EINVAL) - return 0 - } - return p -} - -// struct passwd *getpwnam(const char *name); -func Xgetpwnam(t *TLS, name uintptr) uintptr { - if __ccgo_strace { - trc("t=%v name=%v, (%v:)", t, name, origin(2)) - } - f, err := os.Open("/etc/passwd") - if err != nil { - panic(todo("", err)) - } - - defer f.Close() - - sname := GoString(name) - sc := bufio.NewScanner(f) - for sc.Scan() { - s := strings.TrimSpace(sc.Text()) - if s == "" || strings.HasPrefix(s, "#") { - continue - } - - // eg. "root:x:0:0:root:/root:/bin/bash" - a := strings.Split(s, ":") - if len(a) < 7 { - panic(todo("")) - } - - if a[0] == sname { - uid, err := strconv.Atoi(a[2]) - if err != nil { - panic(todo("")) - } - - gid, err := strconv.Atoi(a[3]) - if err != nil { - panic(todo("")) - } - - closePasswd(&staticGetpwnam) - gecos := a[4] - if strings.Contains(gecos, ",") { - a := strings.Split(gecos, ",") - gecos = a[0] - } - initPasswd(t, &staticGetpwnam, a[0], a[1], uint32(uid), uint32(gid), gecos, a[5], a[6]) - return uintptr(unsafe.Pointer(&staticGetpwnam)) - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - return 0 -} - -// int getpwnam_r(char *name, struct passwd *pwd, char *buf, size_t buflen, struct passwd **result); -func Xgetpwnam_r(t *TLS, name, cpwd, buf uintptr, buflen types.Size_t, result uintptr) int32 { - if __ccgo_strace { - trc("t=%v buf=%v buflen=%v result=%v, (%v:)", t, buf, buflen, result, origin(2)) - } - f, err := os.Open("/etc/passwd") - if err != nil { - panic(todo("", err)) - } - - defer f.Close() - - sname := GoString(name) - sc := bufio.NewScanner(f) - for sc.Scan() { - s := strings.TrimSpace(sc.Text()) - if s == "" || strings.HasPrefix(s, "#") { - continue - } - - // eg. "root:x:0:0:root:/root:/bin/bash" - a := strings.Split(s, ":") - if len(a) < 7 { - panic(todo("%q", s)) - } - - if a[0] == sname { - uid, err := strconv.Atoi(a[2]) - if err != nil { - panic(todo("")) - } - - gid, err := strconv.Atoi(a[3]) - if err != nil { - panic(todo("")) - } - - gecos := a[4] - if strings.Contains(gecos, ",") { - a := strings.Split(gecos, ",") - gecos = a[0] - } - var v pwd.Passwd - if initPasswd2(t, buf, buflen, &v, a[0], a[1], uint32(uid), uint32(gid), gecos, a[5], a[6]) { - *(*pwd.Passwd)(unsafe.Pointer(cpwd)) = v - *(*uintptr)(unsafe.Pointer(result)) = cpwd - return 0 - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return errno.ERANGE - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return 0 -} - -func init() { - atExit = append(atExit, func() { closeGroup(&staticGetgrgid) }) -} - -var staticGetgrgid grp.Group - -// struct group *getgrgid(gid_t gid); -func Xgetgrgid(t *TLS, gid uint32) uintptr { - if __ccgo_strace { - trc("t=%v gid=%v, (%v:)", t, gid, origin(2)) - } - f, err := os.Open("/etc/group") - if err != nil { - panic(todo("")) - } - - defer f.Close() - - sid := strconv.Itoa(int(gid)) - sc := bufio.NewScanner(f) - for sc.Scan() { - s := strings.TrimSpace(sc.Text()) - if s == "" || strings.HasPrefix(s, "#") { - continue - } - - // eg. "root:x:0:" - a := strings.Split(s, ":") - if len(a) < 4 { - panic(todo("%q", s)) - } - - if a[2] == sid { - closeGroup(&staticGetgrgid) - var names []string - if a[3] != "" { - names = strings.Split(a[3], ",") - } - initGroup(t, &staticGetgrgid, a[0], a[1], gid, names) - return uintptr(unsafe.Pointer(&staticGetgrgid)) - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - return 0 -} - -// int getgrgid_r(gid_t gid, struct group *grp, char *buf, size_t buflen, struct group **result); -func Xgetgrgid_r(t *TLS, gid uint32, pGrp, buf uintptr, buflen types.Size_t, result uintptr) int32 { - if __ccgo_strace { - trc("t=%v gid=%v buf=%v buflen=%v result=%v, (%v:)", t, gid, buf, buflen, result, origin(2)) - } - f, err := os.Open("/etc/group") - if err != nil { - panic(todo("")) - } - - defer f.Close() - - sid := strconv.Itoa(int(gid)) - sc := bufio.NewScanner(f) - for sc.Scan() { - s := strings.TrimSpace(sc.Text()) - if s == "" || strings.HasPrefix(s, "#") { - continue - } - - // eg. "root:x:0:" - a := strings.Split(s, ":") - if len(a) < 4 { - panic(todo("%q", s)) - } - - if a[2] == sid { - var names []string - if a[3] != "" { - names = strings.Split(a[3], ",") - } - var x grp.Group - if initGroup2(buf, buflen, &x, a[0], a[1], gid, names) { - *(*grp.Group)(unsafe.Pointer(pGrp)) = x - *(*uintptr)(unsafe.Pointer(result)) = pGrp - return 0 - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return 0 - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return 0 -} - -func initPasswd2(t *TLS, buf uintptr, buflen types.Size_t, p *pwd.Passwd, name, pwd string, uid, gid uint32, gecos, dir, shell string) bool { - p.Fpw_name, buf, buflen = bufString(buf, buflen, name) - if buf == 0 { - return false - } - - p.Fpw_passwd, buf, buflen = bufString(buf, buflen, pwd) - if buf == 0 { - return false - } - - p.Fpw_uid = uid - p.Fpw_gid = gid - if buf == 0 { - return false - } - - p.Fpw_gecos, buf, buflen = bufString(buf, buflen, gecos) - if buf == 0 { - return false - } - - p.Fpw_dir, buf, buflen = bufString(buf, buflen, dir) - if buf == 0 { - return false - } - - p.Fpw_shell, buf, buflen = bufString(buf, buflen, shell) - return buf != 0 -} - -func bufString(buf uintptr, buflen types.Size_t, s string) (uintptr, uintptr, types.Size_t) { - buf0 := buf - rq := len(s) + 1 - if rq > int(buflen) { - return 0, 0, 0 - } - - copy((*RawMem)(unsafe.Pointer(buf))[:len(s):len(s)], s) - buf += uintptr(len(s)) - *(*byte)(unsafe.Pointer(buf)) = 0 - return buf0, buf + 1, buflen - types.Size_t(rq) -} - -func closeGroup(p *grp.Group) { - Xfree(nil, p.Fgr_name) - Xfree(nil, p.Fgr_passwd) - if p := p.Fgr_mem; p != 0 { - for { - q := *(*uintptr)(unsafe.Pointer(p)) - if q == 0 { - break - } - - Xfree(nil, q) - p += unsafe.Sizeof(uintptr(0)) - } - } - *p = grp.Group{} -} - -func initGroup(t *TLS, p *grp.Group, name, pwd string, gid uint32, names []string) { - p.Fgr_name = cString(t, name) - p.Fgr_passwd = cString(t, pwd) - p.Fgr_gid = gid - a := Xcalloc(t, 1, types.Size_t(unsafe.Sizeof(uintptr(0)))*types.Size_t((len(names)+1))) - if a == 0 { - panic("OOM") - } - - for p := a; len(names) != 0; p += unsafe.Sizeof(uintptr(0)) { - *(*uintptr)(unsafe.Pointer(p)) = cString(t, names[0]) - names = names[1:] - } - p.Fgr_mem = a -} - -func initGroup2(buf uintptr, buflen types.Size_t, p *grp.Group, name, pwd string, gid uint32, names []string) bool { - p.Fgr_name, buf, buflen = bufString(buf, buflen, name) - if buf == 0 { - return false - } - - p.Fgr_passwd, buf, buflen = bufString(buf, buflen, pwd) - if buf == 0 { - return false - } - - p.Fgr_gid = gid - rq := unsafe.Sizeof(uintptr(0)) * uintptr(len(names)+1) - if rq > uintptr(buflen) { - return false - } - - a := buf - buf += rq - for ; len(names) != 0; buf += unsafe.Sizeof(uintptr(0)) { - if len(names[0])+1 > int(buflen) { - return false - } - - *(*uintptr)(unsafe.Pointer(buf)), buf, buflen = bufString(buf, buflen, names[0]) - names = names[1:] - } - *(*uintptr)(unsafe.Pointer(buf)) = 0 - p.Fgr_mem = a - return true -} - -func init() { - atExit = append(atExit, func() { closeGroup(&staticGetgrgid) }) -} - -var staticGetpwuid pwd.Passwd - -func init() { - atExit = append(atExit, func() { closePasswd(&staticGetpwuid) }) -} - -func closePasswd(p *pwd.Passwd) { - Xfree(nil, p.Fpw_name) - Xfree(nil, p.Fpw_passwd) - Xfree(nil, p.Fpw_gecos) - Xfree(nil, p.Fpw_dir) - Xfree(nil, p.Fpw_shell) - *p = pwd.Passwd{} -} - -var staticGetgrnam grp.Group - -func init() { - atExit = append(atExit, func() { closeGroup(&staticGetgrnam) }) -} - -// struct passwd *getpwuid(uid_t uid); -func Xgetpwuid(t *TLS, uid uint32) uintptr { - if __ccgo_strace { - trc("t=%v uid=%v, (%v:)", t, uid, origin(2)) - } - f, err := os.Open("/etc/passwd") - if err != nil { - panic(todo("", err)) - } - - defer f.Close() - - sid := strconv.Itoa(int(uid)) - sc := bufio.NewScanner(f) - for sc.Scan() { - s := strings.TrimSpace(sc.Text()) - if len(s) == 0 || strings.HasPrefix(s, "#") { - continue - } - - // eg. "root:x:0:0:root:/root:/bin/bash" - a := strings.Split(s, ":") - if len(a) < 7 { - panic(todo("%q", s)) - } - - if a[2] == sid { - uid, err := strconv.Atoi(a[2]) - if err != nil { - panic(todo("")) - } - - gid, err := strconv.Atoi(a[3]) - if err != nil { - panic(todo("")) - } - - closePasswd(&staticGetpwuid) - gecos := a[4] - if strings.Contains(gecos, ",") { - a := strings.Split(gecos, ",") - gecos = a[0] - } - initPasswd(t, &staticGetpwuid, a[0], a[1], uint32(uid), uint32(gid), gecos, a[5], a[6]) - return uintptr(unsafe.Pointer(&staticGetpwuid)) - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - return 0 -} - -func initPasswd(t *TLS, p *pwd.Passwd, name, pwd string, uid, gid uint32, gecos, dir, shell string) { - p.Fpw_name = cString(t, name) - p.Fpw_passwd = cString(t, pwd) - p.Fpw_uid = uid - p.Fpw_gid = gid - p.Fpw_gecos = cString(t, gecos) - p.Fpw_dir = cString(t, dir) - p.Fpw_shell = cString(t, shell) -} - -// struct group *getgrnam(const char *name); -func Xgetgrnam(t *TLS, name uintptr) uintptr { - if __ccgo_strace { - trc("t=%v name=%v, (%v:)", t, name, origin(2)) - } - f, err := os.Open("/etc/group") - if err != nil { - panic(todo("")) - } - - defer f.Close() - - sname := GoString(name) - sc := bufio.NewScanner(f) - for sc.Scan() { - s := strings.TrimSpace(sc.Text()) - if len(s) == 0 || strings.HasPrefix(s, "#") { - continue - } - - // eg. "root:x:0:" - a := strings.Split(s, ":") - if len(a) < 4 { - panic(todo("%q", s)) - } - - if a[0] == sname { - closeGroup(&staticGetgrnam) - gid, err := strconv.Atoi(a[2]) - if err != nil { - panic(todo("")) - } - - var names []string - if a[3] != "" { - names = strings.Split(a[3], ",") - } - initGroup(t, &staticGetgrnam, a[0], a[1], uint32(gid), names) - return uintptr(unsafe.Pointer(&staticGetgrnam)) - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - return 0 -} - -// int getgrnam_r(const char *name, struct group *grp, char *buf, size_t buflen, struct group **result); -func Xgetgrnam_r(t *TLS, name, pGrp, buf uintptr, buflen types.Size_t, result uintptr) int32 { - if __ccgo_strace { - trc("t=%v buf=%v buflen=%v result=%v, (%v:)", t, buf, buflen, result, origin(2)) - } - f, err := os.Open("/etc/group") - if err != nil { - panic(todo("")) - } - - defer f.Close() - - sname := GoString(name) - sc := bufio.NewScanner(f) - for sc.Scan() { - s := strings.TrimSpace(sc.Text()) - if len(s) == 0 || strings.HasPrefix(s, "#") { - continue - } - - // eg. "root:x:0:" - a := strings.Split(s, ":") - if len(a) < 4 { - panic(todo("%q", s)) - } - - if a[0] == sname { - gid, err := strconv.Atoi(a[2]) - if err != nil { - panic(todo("")) - } - - var names []string - if a[3] != "" { - names = strings.Split(a[3], ",") - } - var x grp.Group - if initGroup2(buf, buflen, &x, a[0], a[1], uint32(gid), names) { - *(*grp.Group)(unsafe.Pointer(pGrp)) = x - *(*uintptr)(unsafe.Pointer(result)) = pGrp - return 0 - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return 0 - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return 0 -} - -// int getpwuid_r(uid_t uid, struct passwd *pwd, char *buf, size_t buflen, struct passwd **result); -func Xgetpwuid_r(t *TLS, uid types.Uid_t, cpwd, buf uintptr, buflen types.Size_t, result uintptr) int32 { - if __ccgo_strace { - trc("t=%v uid=%v buf=%v buflen=%v result=%v, (%v:)", t, uid, buf, buflen, result, origin(2)) - } - f, err := os.Open("/etc/passwd") - if err != nil { - panic(todo("", err)) - } - - defer f.Close() - - sid := strconv.Itoa(int(uid)) - sc := bufio.NewScanner(f) - for sc.Scan() { - s := strings.TrimSpace(sc.Text()) - if len(s) == 0 || strings.HasPrefix(s, "#") { - continue - } - - // eg. "root:x:0:0:root:/root:/bin/bash" - a := strings.Split(s, ":") - if len(a) < 7 { - panic(todo("%q", s)) - } - - if a[2] == sid { - uid, err := strconv.Atoi(a[2]) - if err != nil { - panic(todo("")) - } - - gid, err := strconv.Atoi(a[3]) - if err != nil { - panic(todo("")) - } - - gecos := a[4] - if strings.Contains(gecos, ",") { - a := strings.Split(gecos, ",") - gecos = a[0] - } - var v pwd.Passwd - if initPasswd2(t, buf, buflen, &v, a[0], a[1], uint32(uid), uint32(gid), gecos, a[5], a[6]) { - *(*pwd.Passwd)(unsafe.Pointer(cpwd)) = v - *(*uintptr)(unsafe.Pointer(result)) = cpwd - return 0 - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return errno.ERANGE - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return 0 -} - -// int mkostemp(char *template, int flags); -func Xmkostemp(t *TLS, template uintptr, flags int32) int32 { - if __ccgo_strace { - trc("t=%v template=%v flags=%v, (%v:)", t, template, flags, origin(2)) - } - len := uintptr(Xstrlen(t, template)) - x := template + uintptr(len-6) - for i := uintptr(0); i < 6; i++ { - if *(*byte)(unsafe.Pointer(x + i)) != 'X' { - t.setErrno(errno.EINVAL) - return -1 - } - } - - fd, err := tempFile(template, x, flags) - if err != nil { - t.setErrno(err) - return -1 - } - - return int32(fd) -} - -// void uuid_generate_random(uuid_t out); -func Xuuid_generate_random(t *TLS, out uintptr) { - if __ccgo_strace { - trc("t=%v out=%v, (%v:)", t, out, origin(2)) - } - x := guuid.New() - copy((*RawMem)(unsafe.Pointer(out))[:], x[:]) -} - -// void uuid_unparse(uuid_t uu, char *out); -func Xuuid_unparse(t *TLS, uu, out uintptr) { - if __ccgo_strace { - trc("t=%v out=%v, (%v:)", t, out, origin(2)) - } - s := (*guuid.UUID)(unsafe.Pointer(uu)).String() - copy((*RawMem)(unsafe.Pointer(out))[:], s) - *(*byte)(unsafe.Pointer(out + uintptr(len(s)))) = 0 -} - -// no longer used? -// var staticRandomData = &rand.Rand{} - -// char *initstate(unsigned seed, char *state, size_t size); -func Xinitstate(t *TLS, seed uint32, statebuf uintptr, statelen types.Size_t) uintptr { - if __ccgo_strace { - trc("t=%v seed=%v statebuf=%v statelen=%v, (%v:)", t, seed, statebuf, statelen, origin(2)) - } - // staticRandomData = rand.New(rand.NewSource(int64(seed))) - _ = rand.New(rand.NewSource(int64(seed))) - return 0 -} - -// char *setstate(const char *state); -func Xsetstate(t *TLS, state uintptr) uintptr { - if __ccgo_strace { - trc("t=%v state=%v, (%v:)", t, state, origin(2)) - } - t.setErrno(errno.EINVAL) //TODO - return 0 -} - -// The initstate_r() function is like initstate(3) except that it initializes -// the state in the object pointed to by buf, rather than initializing the -// global state variable. Before calling this function, the buf.state field -// must be initialized to NULL. The initstate_r() function records a pointer -// to the statebuf argument inside the structure pointed to by buf. Thus, -// stateā buf should not be deallocated so long as buf is still in use. (So, -// statebuf should typically be allocated as a static variable, or allocated on -// the heap using malloc(3) or similar.) -// -// char *initstate_r(unsigned int seed, char *statebuf, size_t statelen, struct random_data *buf); -func Xinitstate_r(t *TLS, seed uint32, statebuf uintptr, statelen types.Size_t, buf uintptr) int32 { - if __ccgo_strace { - trc("t=%v seed=%v statebuf=%v statelen=%v buf=%v, (%v:)", t, seed, statebuf, statelen, buf, origin(2)) - } - if buf == 0 { - panic(todo("")) - } - - randomDataMu.Lock() - - defer randomDataMu.Unlock() - - randomData[buf] = rand.New(rand.NewSource(int64(seed))) - return 0 -} - -var ( - randomData = map[uintptr]*rand.Rand{} - randomDataMu sync.Mutex -) - -// int mkstemps(char *template, int suffixlen); -func Xmkstemps(t *TLS, template uintptr, suffixlen int32) int32 { - if __ccgo_strace { - trc("t=%v template=%v suffixlen=%v, (%v:)", t, template, suffixlen, origin(2)) - } - return Xmkstemps64(t, template, suffixlen) -} - -// int mkstemps(char *template, int suffixlen); -func Xmkstemps64(t *TLS, template uintptr, suffixlen int32) int32 { - if __ccgo_strace { - trc("t=%v template=%v suffixlen=%v, (%v:)", t, template, suffixlen, origin(2)) - } - len := uintptr(Xstrlen(t, template)) - x := template + uintptr(len-6) - uintptr(suffixlen) - for i := uintptr(0); i < 6; i++ { - if *(*byte)(unsafe.Pointer(x + i)) != 'X' { - t.setErrno(errno.EINVAL) - return -1 - } - } - - fd, err := tempFile(template, x, 0) - if err != nil { - t.setErrno(err) - return -1 - } - - return int32(fd) -} - -// int mkstemp(char *template); -func Xmkstemp(t *TLS, template uintptr) int32 { - if __ccgo_strace { - trc("t=%v template=%v, (%v:)", t, template, origin(2)) - } - return Xmkstemp64(t, template) -} - -// int mkstemp(char *template); -func Xmkstemp64(t *TLS, template uintptr) int32 { - if __ccgo_strace { - trc("t=%v template=%v, (%v:)", t, template, origin(2)) - } - return Xmkstemps64(t, template, 0) -} - -// int random_r(struct random_data *buf, int32_t *result); -func Xrandom_r(t *TLS, buf, result uintptr) int32 { - if __ccgo_strace { - trc("t=%v result=%v, (%v:)", t, result, origin(2)) - } - randomDataMu.Lock() - - defer randomDataMu.Unlock() - - mr := randomData[buf] - if stdlib.RAND_MAX != math.MaxInt32 { - panic(todo("")) - } - *(*int32)(unsafe.Pointer(result)) = mr.Int31() - return 0 -} - -// int strerror_r(int errnum, char *buf, size_t buflen); -func Xstrerror_r(t *TLS, errnum int32, buf uintptr, buflen size_t) int32 { - if __ccgo_strace { - trc("t=%v errnum=%v buf=%v buflen=%v, (%v:)", t, errnum, buf, buflen, origin(2)) - } - panic(todo("")) -} - -// void endpwent(void); -func Xendpwent(t *TLS) { - if __ccgo_strace { - trc("t=%v, (%v:)", t, origin(2)) - } - // nop -} - -var ctimeStaticBuf [32]byte - -// char *ctime(const time_t *timep); -func Xctime(t *TLS, timep uintptr) uintptr { - if __ccgo_strace { - trc("t=%v timep=%v, (%v:)", t, timep, origin(2)) - } - return Xctime_r(t, timep, uintptr(unsafe.Pointer(&ctimeStaticBuf[0]))) -} - -// char *ctime_r(const time_t *timep, char *buf); -func Xctime_r(t *TLS, timep, buf uintptr) uintptr { - if __ccgo_strace { - trc("t=%v buf=%v, (%v:)", t, buf, origin(2)) - } - ut := *(*ctime.Time_t)(unsafe.Pointer(timep)) - tm := time.Unix(int64(ut), 0).Local() - s := tm.Format(time.ANSIC) + "\n\x00" - copy((*RawMem)(unsafe.Pointer(buf))[:26:26], s) - return buf -} - -// ssize_t pread(int fd, void *buf, size_t count, off_t offset); -func Xpread(t *TLS, fd int32, buf uintptr, count types.Size_t, offset types.Off_t) types.Ssize_t { - if __ccgo_strace { - trc("t=%v fd=%v buf=%v count=%v offset=%v, (%v:)", t, fd, buf, count, offset, origin(2)) - } - var n int - var err error - switch { - case count == 0: - n, err = unix.Pread(int(fd), nil, int64(offset)) - default: - n, err = unix.Pread(int(fd), (*RawMem)(unsafe.Pointer(buf))[:count:count], int64(offset)) - // if dmesgs && err == nil { - // dmesg("%v: fd %v, off %#x, count %#x, n %#x\n%s", origin(1), fd, offset, count, n, hex.Dump((*RawMem)(unsafe.Pointer(buf))[:n:n])) - // } - } - if err != nil { - // if dmesgs { - // dmesg("%v: %v FAIL", origin(1), err) - // } - t.setErrno(err) - return -1 - } - - // if dmesgs { - // dmesg("%v: ok", origin(1)) - // } - return types.Ssize_t(n) -} - -// // malloc_zone_t * malloc_create_zone(vm_size_t start_size, unsigned flags); -// func Xmalloc_create_zone(t *TLS, start_size types.Size_t, flags uint32) uintptr { -// if __ccgo_strace { -// trc("t=%v start_size=%v flags=%v, (%v:)", t, start_size, flags, origin(2)) -// } -// panic(todo("")) -// } -// -// // void * malloc_zone_malloc(malloc_zone_t *zone, size_t size); -// func Xmalloc_zone_malloc(t *TLS, zone uintptr, size types.Size_t) uintptr { -// if __ccgo_strace { -// trc("t=%v zone=%v size=%v, (%v:)", t, zone, size, origin(2)) -// } -// if zone == defaultZone { -// return Xmalloc(t, size) -// } -// -// panic(todo("")) -// } -// -// // malloc_zone_t * malloc_default_zone(void); -// func Xmalloc_default_zone(t *TLS) uintptr { -// if __ccgo_strace { -// trc("t=%v (%v:)", t, origin(2)) -// } -// return defaultZone -// } -// -// // void malloc_zone_free(malloc_zone_t *zone, void *ptr); -// func Xmalloc_zone_free(t *TLS, zone, ptr uintptr) { -// if __ccgo_strace { -// trc("t=%v zone=%v ptr=%v, (%v:)", t, zone, ptr, origin(2)) -// } -// -// if zone == defaultZone { -// Xfree(t, ptr) -// return -// } -// -// panic(todo("")) -// } -// -// // void * malloc_zone_realloc(malloc_zone_t *zone, void *ptr, size_t size); -// func Xmalloc_zone_realloc(t *TLS, zone, ptr uintptr, size types.Size_t) uintptr { -// if __ccgo_strace { -// trc("t=%v zone=%v ptr=%v size=%v, (%v:)", t, zone, ptr, size, origin(2)) -// } -// panic(todo("")) -// } - -// int sysctlbyname(const char *name, void *oldp, size_t *oldlenp, void *newp, size_t newlen); -func Xsysctlbyname(t *TLS, name, oldp, oldlenp, newp uintptr, newlen types.Size_t) int32 { - if __ccgo_strace { - trc("t=%v name=%q oldp=%#0x oldlenp=%v newp=%v newlen=%v, (%v:)", t, GoString(name), oldp, *(*types.Size_t)(unsafe.Pointer(oldlenp)), newp, newlen, origin(2)) - } - oldlen := *(*types.Size_t)(unsafe.Pointer(oldlenp)) - switch GoString(name) { - case "hw.ncpu": - if oldlen != 4 { - panic(todo("")) - } - - *(*int32)(unsafe.Pointer(oldp)) = int32(runtime.GOMAXPROCS(-1)) - return 0 - default: - t.setErrno(errno.ENOENT) - return -1 - } -} - -// type mallocZone struct { -// a memory.Allocator -// mu sync.Mutex -// -// isDefault bool -// } -// -// func newMallocZone(isDefault bool) *mallocZone { -// return &mallocZone{isDefault: isDefault} -// } -// -// var ( -// defaultZone uintptr -// ) -// -// func init() { -// defaultZone = addObject(newMallocZone(true)) -// } - -// /tmp/libc/musl-master/src/time/gmtime.c:6:19: -var _tm ctime.Tm - -// /tmp/libc/musl-master/src/time/gmtime.c:4:11: -func Xgmtime(tls *TLS, t uintptr) (r uintptr) { // /tmp/libc/musl-master/src/time/gmtime.c:7:2: - if __ccgo_strace { - trc("tls=%v t=%v, (%v:)", tls, t, origin(2)) - defer func() { trc("-> %v", r) }() - } - return Xgmtime_r(tls, t, uintptr(unsafe.Pointer(&_tm))) -} - -var _days_in_month = [12]int8{ - 0: int8(31), - 1: int8(30), - 2: int8(31), - 3: int8(30), - 4: int8(31), - 5: int8(31), - 6: int8(30), - 7: int8(31), - 8: int8(30), - 9: int8(31), - 10: int8(31), - 11: int8(29), -} - -var x___utc = [4]int8{'U', 'T', 'C'} - -func Xstrftime(tls *TLS, s uintptr, n size_t, f uintptr, tm uintptr) (r size_t) { - if __ccgo_strace { - trc("tls=%v s=%v n=%v f=%v tm=%v, (%v:)", tls, s, n, f, tm, origin(2)) - defer func() { trc("-> %v", r) }() - } - tt := time.Date( - int((*ctime.Tm)(unsafe.Pointer(tm)).Ftm_year+1900), - time.Month((*ctime.Tm)(unsafe.Pointer(tm)).Ftm_mon+1), - int((*ctime.Tm)(unsafe.Pointer(tm)).Ftm_mday), - int((*ctime.Tm)(unsafe.Pointer(tm)).Ftm_hour), - int((*ctime.Tm)(unsafe.Pointer(tm)).Ftm_min), - int((*ctime.Tm)(unsafe.Pointer(tm)).Ftm_sec), - 0, - time.UTC, - ) - fmt := GoString(f) - var result string - if fmt != "" { - result = strftime.Format(fmt, tt) - } - switch r = size_t(len(result)); { - case r > n: - r = 0 - default: - copy((*RawMem)(unsafe.Pointer(s))[:r:r], result) - *(*byte)(unsafe.Pointer(s + uintptr(r))) = 0 - } - return r - -} - -func Xgmtime_r(tls *TLS, t uintptr, tm uintptr) (r uintptr) { - if __ccgo_strace { - trc("tls=%v t=%v tm=%v, (%v:)", tls, t, tm, origin(2)) - defer func() { trc("-> %v", r) }() - } - if x___secs_to_tm(tls, int64(*(*time_t)(unsafe.Pointer(t))), tm) < 0 { - *(*int32)(unsafe.Pointer(X__errno_location(tls))) = int32(errno.EOVERFLOW) - return uintptr(0) - } - (*ctime.Tm)(unsafe.Pointer(tm)).Ftm_isdst = 0 - (*ctime.Tm)(unsafe.Pointer(tm)).Ftm_gmtoff = 0 - (*ctime.Tm)(unsafe.Pointer(tm)).Ftm_zone = uintptr(unsafe.Pointer(&x___utc)) - return tm -} - -func x___secs_to_tm(tls *TLS, t int64, tm uintptr) (r int32) { - var c_cycles, leap, months, q_cycles, qc_cycles, remdays, remsecs, remyears, wday, yday int32 - var days, secs, years int64 - _, _, _, _, _, _, _, _, _, _, _, _, _ = c_cycles, days, leap, months, q_cycles, qc_cycles, remdays, remsecs, remyears, secs, wday, yday, years - /* Reject time_t values whose year would overflow int */ - if t < int64(-Int32FromInt32(1)-Int32FromInt32(0x7fffffff))*Int64FromInt64(31622400) || t > Int64FromInt32(limits.INT_MAX)*Int64FromInt64(31622400) { - return -int32(1) - } - secs = t - (Int64FromInt64(946684800) + int64(Int32FromInt32(86400)*(Int32FromInt32(31)+Int32FromInt32(29)))) - days = secs / int64(86400) - remsecs = int32(secs % int64(86400)) - if remsecs < 0 { - remsecs += int32(86400) - days-- - } - wday = int32((int64(3) + days) % int64(7)) - if wday < 0 { - wday += int32(7) - } - qc_cycles = int32(days / int64(Int32FromInt32(365)*Int32FromInt32(400)+Int32FromInt32(97))) - remdays = int32(days % int64(Int32FromInt32(365)*Int32FromInt32(400)+Int32FromInt32(97))) - if remdays < 0 { - remdays += Int32FromInt32(365)*Int32FromInt32(400) + Int32FromInt32(97) - qc_cycles-- - } - c_cycles = remdays / (Int32FromInt32(365)*Int32FromInt32(100) + Int32FromInt32(24)) - if c_cycles == int32(4) { - c_cycles-- - } - remdays -= c_cycles * (Int32FromInt32(365)*Int32FromInt32(100) + Int32FromInt32(24)) - q_cycles = remdays / (Int32FromInt32(365)*Int32FromInt32(4) + Int32FromInt32(1)) - if q_cycles == int32(25) { - q_cycles-- - } - remdays -= q_cycles * (Int32FromInt32(365)*Int32FromInt32(4) + Int32FromInt32(1)) - remyears = remdays / int32(365) - if remyears == int32(4) { - remyears-- - } - remdays -= remyears * int32(365) - leap = BoolInt32(!(remyears != 0) && (q_cycles != 0 || !(c_cycles != 0))) - yday = remdays + int32(31) + int32(28) + leap - if yday >= int32(365)+leap { - yday -= int32(365) + leap - } - years = int64(remyears+int32(4)*q_cycles+int32(100)*c_cycles) + int64(400)*int64(int64(qc_cycles)) - months = 0 - for { - if !(int32(_days_in_month[months]) <= remdays) { - break - } - remdays -= int32(_days_in_month[months]) - goto _1 - _1: - months++ - } - if months >= int32(10) { - months -= int32(12) - years++ - } - if years+int64(100) > int64(limits.INT_MAX) || years+int64(100) < int64(-Int32FromInt32(1)-Int32FromInt32(0x7fffffff)) { - return -int32(1) - } - (*ctime.Tm)(unsafe.Pointer(tm)).Ftm_year = int32(years + int64(100)) - (*ctime.Tm)(unsafe.Pointer(tm)).Ftm_mon = months + int32(2) - (*ctime.Tm)(unsafe.Pointer(tm)).Ftm_mday = remdays + int32(1) - (*ctime.Tm)(unsafe.Pointer(tm)).Ftm_wday = wday - (*ctime.Tm)(unsafe.Pointer(tm)).Ftm_yday = yday - (*ctime.Tm)(unsafe.Pointer(tm)).Ftm_hour = remsecs / int32(3600) - (*ctime.Tm)(unsafe.Pointer(tm)).Ftm_min = remsecs / int32(60) % int32(60) - (*ctime.Tm)(unsafe.Pointer(tm)).Ftm_sec = remsecs % int32(60) - return 0 -} |