1//===-- sanitizer_platform_limits_posix.cpp -------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file is a part of Sanitizer common code.
10//
11// Sizes and layouts of platform-specific POSIX data structures.
12//===----------------------------------------------------------------------===//
13
14#if defined(__linux__) || defined(__APPLE__)
15// Tests in this file assume that off_t-dependent data structures match the
16// libc ABI. For example, struct dirent here is what readdir() function (as
17// exported from libc) returns, and not the user-facing "dirent", which
18// depends on _FILE_OFFSET_BITS setting.
19// To get this "true" dirent definition, we undefine _FILE_OFFSET_BITS below.
20#undef _FILE_OFFSET_BITS
21#endif
22
23// Must go after undef _FILE_OFFSET_BITS.
24#include "sanitizer_platform.h"
25
26#if SANITIZER_LINUX || SANITIZER_MAC
27// Must go after undef _FILE_OFFSET_BITS.
28#include "sanitizer_glibc_version.h"
29
30#include <arpa/inet.h>
31#include <dirent.h>
32#include <grp.h>
33#include <limits.h>
34#include <net/if.h>
35#include <netdb.h>
36#include <poll.h>
37#include <pthread.h>
38#include <pwd.h>
39#include <signal.h>
40#include <stddef.h>
41#include <stdio.h>
42#include <sys/mman.h>
43#include <sys/resource.h>
44#include <sys/socket.h>
45#include <sys/stat.h>
46#include <sys/time.h>
47#include <sys/times.h>
48#include <sys/types.h>
49#include <sys/utsname.h>
50#include <termios.h>
51#include <time.h>
52#include <wchar.h>
53#include <regex.h>
54#if !SANITIZER_MAC
55#include <utmp.h>
56#endif
57
58#if !SANITIZER_IOS
59#include <net/route.h>
60#endif
61
62#if !SANITIZER_ANDROID
63#include <sys/mount.h>
64#include <sys/timeb.h>
65#include <utmpx.h>
66#endif
67
68#if SANITIZER_LINUX
69#include <malloc.h>
70#include <mntent.h>
71#include <netinet/ether.h>
72#include <sys/sysinfo.h>
73#include <sys/vt.h>
74#include <linux/cdrom.h>
75#include <linux/fd.h>
76#if SANITIZER_ANDROID
77#include <linux/fs.h>
78#endif
79#include <linux/hdreg.h>
80#include <linux/input.h>
81#include <linux/ioctl.h>
82#include <linux/soundcard.h>
83#include <linux/sysctl.h>
84#include <linux/utsname.h>
85#include <linux/posix_types.h>
86#include <net/if_arp.h>
87#endif
88
89#if SANITIZER_IOS
90#undef IOC_DIRMASK
91#endif
92
93#if SANITIZER_LINUX
94# include <utime.h>
95# include <sys/ptrace.h>
96#    if defined(__mips64) || defined(__aarch64__) || defined(__arm__) || \
97        defined(__hexagon__) || SANITIZER_RISCV64
98#      include <asm/ptrace.h>
99#      ifdef __arm__
100typedef struct user_fpregs elf_fpregset_t;
101#   define ARM_VFPREGS_SIZE_ASAN (32 * 8 /*fpregs*/ + 4 /*fpscr*/)
102#   if !defined(ARM_VFPREGS_SIZE)
103#     define ARM_VFPREGS_SIZE ARM_VFPREGS_SIZE_ASAN
104#   endif
105#  endif
106# endif
107# include <semaphore.h>
108#endif
109
110#if !SANITIZER_ANDROID
111#include <ifaddrs.h>
112#include <sys/ucontext.h>
113#include <wordexp.h>
114#endif
115
116#if SANITIZER_LINUX
117#if SANITIZER_GLIBC
118#include <fstab.h>
119#include <net/if_ppp.h>
120#include <netax25/ax25.h>
121#include <netipx/ipx.h>
122#include <netrom/netrom.h>
123#include <obstack.h>
124#if HAVE_RPC_XDR_H
125# include <rpc/xdr.h>
126#endif
127#include <scsi/scsi.h>
128#else
129#include <linux/if_ppp.h>
130#include <linux/kd.h>
131#include <linux/ppp_defs.h>
132#endif  // SANITIZER_GLIBC
133
134#if SANITIZER_ANDROID
135#include <linux/mtio.h>
136#else
137#include <glob.h>
138#include <mqueue.h>
139#include <sys/kd.h>
140#include <sys/mtio.h>
141#include <sys/shm.h>
142#include <sys/statvfs.h>
143#include <sys/timex.h>
144#if defined(__mips64)
145# include <sys/procfs.h>
146#endif
147#include <sys/user.h>
148#include <linux/if_eql.h>
149#include <linux/if_plip.h>
150#include <linux/lp.h>
151#include <linux/mroute.h>
152#include <linux/mroute6.h>
153#include <linux/scc.h>
154#include <linux/serial.h>
155#include <sys/msg.h>
156#include <sys/ipc.h>
157#include <crypt.h>
158#endif  // SANITIZER_ANDROID
159
160#include <link.h>
161#include <sys/vfs.h>
162#include <sys/epoll.h>
163#include <linux/capability.h>
164#else
165#include <fstab.h>
166#endif // SANITIZER_LINUX
167
168#if SANITIZER_MAC
169#include <net/ethernet.h>
170#include <sys/filio.h>
171#include <sys/sockio.h>
172#endif
173
174// Include these after system headers to avoid name clashes and ambiguities.
175#include "sanitizer_internal_defs.h"
176#include "sanitizer_platform_limits_posix.h"
177
178namespace __sanitizer {
179  unsigned struct_utsname_sz = sizeof(struct utsname);
180  unsigned struct_stat_sz = sizeof(struct stat);
181#if !SANITIZER_IOS && !(SANITIZER_MAC && TARGET_CPU_ARM64)
182  unsigned struct_stat64_sz = sizeof(struct stat64);
183#endif // !SANITIZER_IOS && !(SANITIZER_MAC && TARGET_CPU_ARM64)
184  unsigned struct_rusage_sz = sizeof(struct rusage);
185  unsigned struct_tm_sz = sizeof(struct tm);
186  unsigned struct_passwd_sz = sizeof(struct passwd);
187  unsigned struct_group_sz = sizeof(struct group);
188  unsigned siginfo_t_sz = sizeof(siginfo_t);
189  unsigned struct_sigaction_sz = sizeof(struct sigaction);
190  unsigned struct_stack_t_sz = sizeof(stack_t);
191  unsigned struct_itimerval_sz = sizeof(struct itimerval);
192  unsigned pthread_t_sz = sizeof(pthread_t);
193  unsigned pthread_mutex_t_sz = sizeof(pthread_mutex_t);
194  unsigned pthread_cond_t_sz = sizeof(pthread_cond_t);
195  unsigned pid_t_sz = sizeof(pid_t);
196  unsigned timeval_sz = sizeof(timeval);
197  unsigned uid_t_sz = sizeof(uid_t);
198  unsigned gid_t_sz = sizeof(gid_t);
199  unsigned mbstate_t_sz = sizeof(mbstate_t);
200  unsigned sigset_t_sz = sizeof(sigset_t);
201  unsigned struct_timezone_sz = sizeof(struct timezone);
202  unsigned struct_tms_sz = sizeof(struct tms);
203  unsigned struct_sigevent_sz = sizeof(struct sigevent);
204  unsigned struct_sched_param_sz = sizeof(struct sched_param);
205  unsigned struct_regex_sz = sizeof(regex_t);
206  unsigned struct_regmatch_sz = sizeof(regmatch_t);
207
208#if (SANITIZER_MAC && !TARGET_CPU_ARM64) && !SANITIZER_IOS
209  unsigned struct_statfs64_sz = sizeof(struct statfs64);
210#endif // (SANITIZER_MAC && !TARGET_CPU_ARM64) && !SANITIZER_IOS
211
212#if SANITIZER_GLIBC || SANITIZER_FREEBSD || SANITIZER_NETBSD || SANITIZER_MAC
213  unsigned struct_fstab_sz = sizeof(struct fstab);
214#endif  // SANITIZER_GLIBC || SANITIZER_FREEBSD || SANITIZER_NETBSD ||
215        // SANITIZER_MAC
216#if !SANITIZER_ANDROID
217  unsigned struct_statfs_sz = sizeof(struct statfs);
218  unsigned struct_sockaddr_sz = sizeof(struct sockaddr);
219  unsigned ucontext_t_sz = sizeof(ucontext_t);
220#endif // !SANITIZER_ANDROID
221
222#if SANITIZER_LINUX
223  unsigned struct_epoll_event_sz = sizeof(struct epoll_event);
224  unsigned struct_sysinfo_sz = sizeof(struct sysinfo);
225  unsigned __user_cap_header_struct_sz =
226      sizeof(struct __user_cap_header_struct);
227  unsigned __user_cap_data_struct_sz = sizeof(struct __user_cap_data_struct);
228  unsigned struct_new_utsname_sz = sizeof(struct new_utsname);
229  unsigned struct_old_utsname_sz = sizeof(struct old_utsname);
230  unsigned struct_oldold_utsname_sz = sizeof(struct oldold_utsname);
231#endif // SANITIZER_LINUX
232
233#if SANITIZER_LINUX
234  unsigned struct_rlimit_sz = sizeof(struct rlimit);
235  unsigned struct_timespec_sz = sizeof(struct timespec);
236  unsigned struct_utimbuf_sz = sizeof(struct utimbuf);
237  unsigned struct_itimerspec_sz = sizeof(struct itimerspec);
238#endif // SANITIZER_LINUX
239
240#if SANITIZER_LINUX && !SANITIZER_ANDROID
241  // Use pre-computed size of struct ustat to avoid <sys/ustat.h> which
242  // has been removed from glibc 2.28.
243#if defined(__aarch64__) || defined(__s390x__) || defined(__mips64) ||     \
244    defined(__powerpc64__) || defined(__arch64__) || defined(__sparcv9) || \
245    defined(__x86_64__) || SANITIZER_RISCV64
246#define SIZEOF_STRUCT_USTAT 32
247#    elif defined(__arm__) || defined(__i386__) || defined(__mips__) ||    \
248        defined(__powerpc__) || defined(__s390__) || defined(__sparc__) || \
249        defined(__hexagon__)
250#      define SIZEOF_STRUCT_USTAT 20
251#    else
252#      error Unknown size of struct ustat
253#    endif
254  unsigned struct_ustat_sz = SIZEOF_STRUCT_USTAT;
255  unsigned struct_rlimit64_sz = sizeof(struct rlimit64);
256  unsigned struct_statvfs64_sz = sizeof(struct statvfs64);
257  unsigned struct_crypt_data_sz = sizeof(struct crypt_data);
258#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
259
260#if SANITIZER_LINUX && !SANITIZER_ANDROID
261  unsigned struct_timex_sz = sizeof(struct timex);
262  unsigned struct_msqid_ds_sz = sizeof(struct msqid_ds);
263  unsigned struct_mq_attr_sz = sizeof(struct mq_attr);
264  unsigned struct_statvfs_sz = sizeof(struct statvfs);
265#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
266
267  const uptr sig_ign = (uptr)SIG_IGN;
268  const uptr sig_dfl = (uptr)SIG_DFL;
269  const uptr sig_err = (uptr)SIG_ERR;
270  const uptr sa_siginfo = (uptr)SA_SIGINFO;
271
272#if SANITIZER_LINUX
273  int e_tabsz = (int)E_TABSZ;
274#endif
275
276
277#if SANITIZER_LINUX && !SANITIZER_ANDROID
278  unsigned struct_shminfo_sz = sizeof(struct shminfo);
279  unsigned struct_shm_info_sz = sizeof(struct shm_info);
280  int shmctl_ipc_stat = (int)IPC_STAT;
281  int shmctl_ipc_info = (int)IPC_INFO;
282  int shmctl_shm_info = (int)SHM_INFO;
283  int shmctl_shm_stat = (int)SHM_STAT;
284#endif
285
286#if !SANITIZER_MAC && !SANITIZER_FREEBSD
287  unsigned struct_utmp_sz = sizeof(struct utmp);
288#endif
289#if !SANITIZER_ANDROID
290  unsigned struct_utmpx_sz = sizeof(struct utmpx);
291#endif
292
293  int map_fixed = MAP_FIXED;
294
295  int af_inet = (int)AF_INET;
296  int af_inet6 = (int)AF_INET6;
297
298  uptr __sanitizer_in_addr_sz(int af) {
299    if (af == AF_INET)
300      return sizeof(struct in_addr);
301    else if (af == AF_INET6)
302      return sizeof(struct in6_addr);
303    else
304      return 0;
305  }
306
307#if SANITIZER_LINUX
308unsigned struct_ElfW_Phdr_sz = sizeof(ElfW(Phdr));
309#elif SANITIZER_FREEBSD
310unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
311#endif
312
313#if SANITIZER_GLIBC
314  int glob_nomatch = GLOB_NOMATCH;
315  int glob_altdirfunc = GLOB_ALTDIRFUNC;
316#endif
317
318#  if !SANITIZER_ANDROID
319  const int wordexp_wrde_dooffs = WRDE_DOOFFS;
320#  endif  // !SANITIZER_ANDROID
321
322#if SANITIZER_LINUX && !SANITIZER_ANDROID &&                               \
323    (defined(__i386) || defined(__x86_64) || defined(__mips64) ||          \
324     defined(__powerpc64__) || defined(__aarch64__) || defined(__arm__) || \
325     defined(__s390__) || SANITIZER_RISCV64)
326#if defined(__mips64) || defined(__powerpc64__) || defined(__arm__)
327  unsigned struct_user_regs_struct_sz = sizeof(struct pt_regs);
328  unsigned struct_user_fpregs_struct_sz = sizeof(elf_fpregset_t);
329#elif SANITIZER_RISCV64
330  unsigned struct_user_regs_struct_sz = sizeof(struct user_regs_struct);
331  unsigned struct_user_fpregs_struct_sz = sizeof(struct __riscv_q_ext_state);
332#elif defined(__aarch64__)
333  unsigned struct_user_regs_struct_sz = sizeof(struct user_pt_regs);
334  unsigned struct_user_fpregs_struct_sz = sizeof(struct user_fpsimd_state);
335#elif defined(__s390__)
336  unsigned struct_user_regs_struct_sz = sizeof(struct _user_regs_struct);
337  unsigned struct_user_fpregs_struct_sz = sizeof(struct _user_fpregs_struct);
338#else
339  unsigned struct_user_regs_struct_sz = sizeof(struct user_regs_struct);
340  unsigned struct_user_fpregs_struct_sz = sizeof(struct user_fpregs_struct);
341#endif // __mips64 || __powerpc64__ || __aarch64__
342#if defined(__x86_64) || defined(__mips64) || defined(__powerpc64__) || \
343    defined(__aarch64__) || defined(__arm__) || defined(__s390__) ||    \
344    SANITIZER_RISCV64
345  unsigned struct_user_fpxregs_struct_sz = 0;
346#else
347  unsigned struct_user_fpxregs_struct_sz = sizeof(struct user_fpxregs_struct);
348#endif // __x86_64 || __mips64 || __powerpc64__ || __aarch64__ || __arm__
349// || __s390__
350#ifdef __arm__
351  unsigned struct_user_vfpregs_struct_sz = ARM_VFPREGS_SIZE;
352#else
353  unsigned struct_user_vfpregs_struct_sz = 0;
354#endif
355
356  int ptrace_peektext = PTRACE_PEEKTEXT;
357  int ptrace_peekdata = PTRACE_PEEKDATA;
358  int ptrace_peekuser = PTRACE_PEEKUSER;
359#if (defined(PTRACE_GETREGS) && defined(PTRACE_SETREGS)) || \
360    (defined(PT_GETREGS) && defined(PT_SETREGS))
361  int ptrace_getregs = PTRACE_GETREGS;
362  int ptrace_setregs = PTRACE_SETREGS;
363#else
364  int ptrace_getregs = -1;
365  int ptrace_setregs = -1;
366#endif
367#if (defined(PTRACE_GETFPREGS) && defined(PTRACE_SETFPREGS)) || \
368    (defined(PT_GETFPREGS) && defined(PT_SETFPREGS))
369  int ptrace_getfpregs = PTRACE_GETFPREGS;
370  int ptrace_setfpregs = PTRACE_SETFPREGS;
371#else
372  int ptrace_getfpregs = -1;
373  int ptrace_setfpregs = -1;
374#endif
375#if (defined(PTRACE_GETFPXREGS) && defined(PTRACE_SETFPXREGS)) || \
376    (defined(PT_GETFPXREGS) && defined(PT_SETFPXREGS))
377  int ptrace_getfpxregs = PTRACE_GETFPXREGS;
378  int ptrace_setfpxregs = PTRACE_SETFPXREGS;
379#else
380  int ptrace_getfpxregs = -1;
381  int ptrace_setfpxregs = -1;
382#endif // PTRACE_GETFPXREGS/PTRACE_SETFPXREGS
383#if defined(PTRACE_GETVFPREGS) && defined(PTRACE_SETVFPREGS)
384  int ptrace_getvfpregs = PTRACE_GETVFPREGS;
385  int ptrace_setvfpregs = PTRACE_SETVFPREGS;
386#else
387  int ptrace_getvfpregs = -1;
388  int ptrace_setvfpregs = -1;
389#endif
390  int ptrace_geteventmsg = PTRACE_GETEVENTMSG;
391#if (defined(PTRACE_GETSIGINFO) && defined(PTRACE_SETSIGINFO)) ||              \
392    (defined(PT_GETSIGINFO) && defined(PT_SETSIGINFO))
393  int ptrace_getsiginfo = PTRACE_GETSIGINFO;
394  int ptrace_setsiginfo = PTRACE_SETSIGINFO;
395#else
396  int ptrace_getsiginfo = -1;
397  int ptrace_setsiginfo = -1;
398#endif // PTRACE_GETSIGINFO/PTRACE_SETSIGINFO
399#if defined(PTRACE_GETREGSET) && defined(PTRACE_SETREGSET)
400  int ptrace_getregset = PTRACE_GETREGSET;
401  int ptrace_setregset = PTRACE_SETREGSET;
402#else
403  int ptrace_getregset = -1;
404  int ptrace_setregset = -1;
405#endif // PTRACE_GETREGSET/PTRACE_SETREGSET
406#endif
407
408  unsigned path_max = PATH_MAX;
409
410  // ioctl arguments
411  unsigned struct_ifreq_sz = sizeof(struct ifreq);
412  unsigned struct_termios_sz = sizeof(struct termios);
413  unsigned struct_winsize_sz = sizeof(struct winsize);
414
415#if SANITIZER_LINUX
416  unsigned struct_arpreq_sz = sizeof(struct arpreq);
417  unsigned struct_cdrom_msf_sz = sizeof(struct cdrom_msf);
418  unsigned struct_cdrom_multisession_sz = sizeof(struct cdrom_multisession);
419  unsigned struct_cdrom_read_audio_sz = sizeof(struct cdrom_read_audio);
420  unsigned struct_cdrom_subchnl_sz = sizeof(struct cdrom_subchnl);
421  unsigned struct_cdrom_ti_sz = sizeof(struct cdrom_ti);
422  unsigned struct_cdrom_tocentry_sz = sizeof(struct cdrom_tocentry);
423  unsigned struct_cdrom_tochdr_sz = sizeof(struct cdrom_tochdr);
424  unsigned struct_cdrom_volctrl_sz = sizeof(struct cdrom_volctrl);
425  unsigned struct_ff_effect_sz = sizeof(struct ff_effect);
426  unsigned struct_floppy_drive_params_sz = sizeof(struct floppy_drive_params);
427  unsigned struct_floppy_drive_struct_sz = sizeof(struct floppy_drive_struct);
428  unsigned struct_floppy_fdc_state_sz = sizeof(struct floppy_fdc_state);
429  unsigned struct_floppy_max_errors_sz = sizeof(struct floppy_max_errors);
430  unsigned struct_floppy_raw_cmd_sz = sizeof(struct floppy_raw_cmd);
431  unsigned struct_floppy_struct_sz = sizeof(struct floppy_struct);
432  unsigned struct_floppy_write_errors_sz = sizeof(struct floppy_write_errors);
433  unsigned struct_format_descr_sz = sizeof(struct format_descr);
434  unsigned struct_hd_driveid_sz = sizeof(struct hd_driveid);
435  unsigned struct_hd_geometry_sz = sizeof(struct hd_geometry);
436  unsigned struct_input_absinfo_sz = sizeof(struct input_absinfo);
437  unsigned struct_input_id_sz = sizeof(struct input_id);
438  unsigned struct_mtpos_sz = sizeof(struct mtpos);
439  unsigned struct_rtentry_sz = sizeof(struct rtentry);
440#if SANITIZER_GLIBC || SANITIZER_ANDROID
441  unsigned struct_termio_sz = sizeof(struct termio);
442#endif
443  unsigned struct_vt_consize_sz = sizeof(struct vt_consize);
444  unsigned struct_vt_sizes_sz = sizeof(struct vt_sizes);
445  unsigned struct_vt_stat_sz = sizeof(struct vt_stat);
446#endif // SANITIZER_LINUX
447
448#if SANITIZER_LINUX
449#if SOUND_VERSION >= 0x040000
450  unsigned struct_copr_buffer_sz = 0;
451  unsigned struct_copr_debug_buf_sz = 0;
452  unsigned struct_copr_msg_sz = 0;
453#else
454  unsigned struct_copr_buffer_sz = sizeof(struct copr_buffer);
455  unsigned struct_copr_debug_buf_sz = sizeof(struct copr_debug_buf);
456  unsigned struct_copr_msg_sz = sizeof(struct copr_msg);
457#endif
458  unsigned struct_midi_info_sz = sizeof(struct midi_info);
459  unsigned struct_mtget_sz = sizeof(struct mtget);
460  unsigned struct_mtop_sz = sizeof(struct mtop);
461  unsigned struct_sbi_instrument_sz = sizeof(struct sbi_instrument);
462  unsigned struct_seq_event_rec_sz = sizeof(struct seq_event_rec);
463  unsigned struct_synth_info_sz = sizeof(struct synth_info);
464  unsigned struct_vt_mode_sz = sizeof(struct vt_mode);
465#endif // SANITIZER_LINUX
466
467#if SANITIZER_GLIBC
468  unsigned struct_ax25_parms_struct_sz = sizeof(struct ax25_parms_struct);
469#if EV_VERSION > (0x010000)
470  unsigned struct_input_keymap_entry_sz = sizeof(struct input_keymap_entry);
471#else
472  unsigned struct_input_keymap_entry_sz = 0;
473#endif
474  unsigned struct_ipx_config_data_sz = sizeof(struct ipx_config_data);
475  unsigned struct_kbdiacrs_sz = sizeof(struct kbdiacrs);
476  unsigned struct_kbentry_sz = sizeof(struct kbentry);
477  unsigned struct_kbkeycode_sz = sizeof(struct kbkeycode);
478  unsigned struct_kbsentry_sz = sizeof(struct kbsentry);
479  unsigned struct_mtconfiginfo_sz = sizeof(struct mtconfiginfo);
480  unsigned struct_nr_parms_struct_sz = sizeof(struct nr_parms_struct);
481  unsigned struct_scc_modem_sz = sizeof(struct scc_modem);
482  unsigned struct_scc_stat_sz = sizeof(struct scc_stat);
483  unsigned struct_serial_multiport_struct_sz
484      = sizeof(struct serial_multiport_struct);
485  unsigned struct_serial_struct_sz = sizeof(struct serial_struct);
486  unsigned struct_sockaddr_ax25_sz = sizeof(struct sockaddr_ax25);
487  unsigned struct_unimapdesc_sz = sizeof(struct unimapdesc);
488  unsigned struct_unimapinit_sz = sizeof(struct unimapinit);
489
490  unsigned struct_audio_buf_info_sz = sizeof(struct audio_buf_info);
491  unsigned struct_ppp_stats_sz = sizeof(struct ppp_stats);
492#endif  // SANITIZER_GLIBC
493
494#if !SANITIZER_ANDROID && !SANITIZER_MAC
495  unsigned struct_sioc_sg_req_sz = sizeof(struct sioc_sg_req);
496  unsigned struct_sioc_vif_req_sz = sizeof(struct sioc_vif_req);
497#endif
498
499  const unsigned long __sanitizer_bufsiz = BUFSIZ;
500
501  const unsigned IOCTL_NOT_PRESENT = 0;
502
503  unsigned IOCTL_FIOASYNC = FIOASYNC;
504  unsigned IOCTL_FIOCLEX = FIOCLEX;
505  unsigned IOCTL_FIOGETOWN = FIOGETOWN;
506  unsigned IOCTL_FIONBIO = FIONBIO;
507  unsigned IOCTL_FIONCLEX = FIONCLEX;
508  unsigned IOCTL_FIOSETOWN = FIOSETOWN;
509  unsigned IOCTL_SIOCADDMULTI = SIOCADDMULTI;
510  unsigned IOCTL_SIOCATMARK = SIOCATMARK;
511  unsigned IOCTL_SIOCDELMULTI = SIOCDELMULTI;
512  unsigned IOCTL_SIOCGIFADDR = SIOCGIFADDR;
513  unsigned IOCTL_SIOCGIFBRDADDR = SIOCGIFBRDADDR;
514  unsigned IOCTL_SIOCGIFCONF = SIOCGIFCONF;
515  unsigned IOCTL_SIOCGIFDSTADDR = SIOCGIFDSTADDR;
516  unsigned IOCTL_SIOCGIFFLAGS = SIOCGIFFLAGS;
517  unsigned IOCTL_SIOCGIFMETRIC = SIOCGIFMETRIC;
518  unsigned IOCTL_SIOCGIFMTU = SIOCGIFMTU;
519  unsigned IOCTL_SIOCGIFNETMASK = SIOCGIFNETMASK;
520  unsigned IOCTL_SIOCGPGRP = SIOCGPGRP;
521  unsigned IOCTL_SIOCSIFADDR = SIOCSIFADDR;
522  unsigned IOCTL_SIOCSIFBRDADDR = SIOCSIFBRDADDR;
523  unsigned IOCTL_SIOCSIFDSTADDR = SIOCSIFDSTADDR;
524  unsigned IOCTL_SIOCSIFFLAGS = SIOCSIFFLAGS;
525  unsigned IOCTL_SIOCSIFMETRIC = SIOCSIFMETRIC;
526  unsigned IOCTL_SIOCSIFMTU = SIOCSIFMTU;
527  unsigned IOCTL_SIOCSIFNETMASK = SIOCSIFNETMASK;
528  unsigned IOCTL_SIOCSPGRP = SIOCSPGRP;
529  unsigned IOCTL_TIOCCONS = TIOCCONS;
530  unsigned IOCTL_TIOCEXCL = TIOCEXCL;
531  unsigned IOCTL_TIOCGETD = TIOCGETD;
532  unsigned IOCTL_TIOCGPGRP = TIOCGPGRP;
533  unsigned IOCTL_TIOCGWINSZ = TIOCGWINSZ;
534  unsigned IOCTL_TIOCMBIC = TIOCMBIC;
535  unsigned IOCTL_TIOCMBIS = TIOCMBIS;
536  unsigned IOCTL_TIOCMGET = TIOCMGET;
537  unsigned IOCTL_TIOCMSET = TIOCMSET;
538  unsigned IOCTL_TIOCNOTTY = TIOCNOTTY;
539  unsigned IOCTL_TIOCNXCL = TIOCNXCL;
540  unsigned IOCTL_TIOCOUTQ = TIOCOUTQ;
541  unsigned IOCTL_TIOCPKT = TIOCPKT;
542  unsigned IOCTL_TIOCSCTTY = TIOCSCTTY;
543  unsigned IOCTL_TIOCSETD = TIOCSETD;
544  unsigned IOCTL_TIOCSPGRP = TIOCSPGRP;
545  unsigned IOCTL_TIOCSTI = TIOCSTI;
546  unsigned IOCTL_TIOCSWINSZ = TIOCSWINSZ;
547#if SANITIZER_LINUX && !SANITIZER_ANDROID
548  unsigned IOCTL_SIOCGETSGCNT = SIOCGETSGCNT;
549  unsigned IOCTL_SIOCGETVIFCNT = SIOCGETVIFCNT;
550#endif
551
552#if SANITIZER_LINUX
553  unsigned IOCTL_EVIOCGABS = EVIOCGABS(0);
554  unsigned IOCTL_EVIOCGBIT = EVIOCGBIT(0, 0);
555  unsigned IOCTL_EVIOCGEFFECTS = EVIOCGEFFECTS;
556  unsigned IOCTL_EVIOCGID = EVIOCGID;
557  unsigned IOCTL_EVIOCGKEY = EVIOCGKEY(0);
558  unsigned IOCTL_EVIOCGKEYCODE = EVIOCGKEYCODE;
559  unsigned IOCTL_EVIOCGLED = EVIOCGLED(0);
560  unsigned IOCTL_EVIOCGNAME = EVIOCGNAME(0);
561  unsigned IOCTL_EVIOCGPHYS = EVIOCGPHYS(0);
562  unsigned IOCTL_EVIOCGRAB = EVIOCGRAB;
563  unsigned IOCTL_EVIOCGREP = EVIOCGREP;
564  unsigned IOCTL_EVIOCGSND = EVIOCGSND(0);
565  unsigned IOCTL_EVIOCGSW = EVIOCGSW(0);
566  unsigned IOCTL_EVIOCGUNIQ = EVIOCGUNIQ(0);
567  unsigned IOCTL_EVIOCGVERSION = EVIOCGVERSION;
568  unsigned IOCTL_EVIOCRMFF = EVIOCRMFF;
569  unsigned IOCTL_EVIOCSABS = EVIOCSABS(0);
570  unsigned IOCTL_EVIOCSFF = EVIOCSFF;
571  unsigned IOCTL_EVIOCSKEYCODE = EVIOCSKEYCODE;
572  unsigned IOCTL_EVIOCSREP = EVIOCSREP;
573  unsigned IOCTL_BLKFLSBUF = BLKFLSBUF;
574  unsigned IOCTL_BLKGETSIZE = BLKGETSIZE;
575  unsigned IOCTL_BLKRAGET = BLKRAGET;
576  unsigned IOCTL_BLKRASET = BLKRASET;
577  unsigned IOCTL_BLKROGET = BLKROGET;
578  unsigned IOCTL_BLKROSET = BLKROSET;
579  unsigned IOCTL_BLKRRPART = BLKRRPART;
580  unsigned IOCTL_CDROMAUDIOBUFSIZ = CDROMAUDIOBUFSIZ;
581  unsigned IOCTL_CDROMEJECT = CDROMEJECT;
582  unsigned IOCTL_CDROMEJECT_SW = CDROMEJECT_SW;
583  unsigned IOCTL_CDROMMULTISESSION = CDROMMULTISESSION;
584  unsigned IOCTL_CDROMPAUSE = CDROMPAUSE;
585  unsigned IOCTL_CDROMPLAYMSF = CDROMPLAYMSF;
586  unsigned IOCTL_CDROMPLAYTRKIND = CDROMPLAYTRKIND;
587  unsigned IOCTL_CDROMREADAUDIO = CDROMREADAUDIO;
588  unsigned IOCTL_CDROMREADCOOKED = CDROMREADCOOKED;
589  unsigned IOCTL_CDROMREADMODE1 = CDROMREADMODE1;
590  unsigned IOCTL_CDROMREADMODE2 = CDROMREADMODE2;
591  unsigned IOCTL_CDROMREADRAW = CDROMREADRAW;
592  unsigned IOCTL_CDROMREADTOCENTRY = CDROMREADTOCENTRY;
593  unsigned IOCTL_CDROMREADTOCHDR = CDROMREADTOCHDR;
594  unsigned IOCTL_CDROMRESET = CDROMRESET;
595  unsigned IOCTL_CDROMRESUME = CDROMRESUME;
596  unsigned IOCTL_CDROMSEEK = CDROMSEEK;
597  unsigned IOCTL_CDROMSTART = CDROMSTART;
598  unsigned IOCTL_CDROMSTOP = CDROMSTOP;
599  unsigned IOCTL_CDROMSUBCHNL = CDROMSUBCHNL;
600  unsigned IOCTL_CDROMVOLCTRL = CDROMVOLCTRL;
601  unsigned IOCTL_CDROMVOLREAD = CDROMVOLREAD;
602  unsigned IOCTL_CDROM_GET_UPC = CDROM_GET_UPC;
603  unsigned IOCTL_FDCLRPRM = FDCLRPRM;
604  unsigned IOCTL_FDDEFPRM = FDDEFPRM;
605  unsigned IOCTL_FDFLUSH = FDFLUSH;
606  unsigned IOCTL_FDFMTBEG = FDFMTBEG;
607  unsigned IOCTL_FDFMTEND = FDFMTEND;
608  unsigned IOCTL_FDFMTTRK = FDFMTTRK;
609  unsigned IOCTL_FDGETDRVPRM = FDGETDRVPRM;
610  unsigned IOCTL_FDGETDRVSTAT = FDGETDRVSTAT;
611  unsigned IOCTL_FDGETDRVTYP = FDGETDRVTYP;
612  unsigned IOCTL_FDGETFDCSTAT = FDGETFDCSTAT;
613  unsigned IOCTL_FDGETMAXERRS = FDGETMAXERRS;
614  unsigned IOCTL_FDGETPRM = FDGETPRM;
615  unsigned IOCTL_FDMSGOFF = FDMSGOFF;
616  unsigned IOCTL_FDMSGON = FDMSGON;
617  unsigned IOCTL_FDPOLLDRVSTAT = FDPOLLDRVSTAT;
618  unsigned IOCTL_FDRAWCMD = FDRAWCMD;
619  unsigned IOCTL_FDRESET = FDRESET;
620  unsigned IOCTL_FDSETDRVPRM = FDSETDRVPRM;
621  unsigned IOCTL_FDSETEMSGTRESH = FDSETEMSGTRESH;
622  unsigned IOCTL_FDSETMAXERRS = FDSETMAXERRS;
623  unsigned IOCTL_FDSETPRM = FDSETPRM;
624  unsigned IOCTL_FDTWADDLE = FDTWADDLE;
625  unsigned IOCTL_FDWERRORCLR = FDWERRORCLR;
626  unsigned IOCTL_FDWERRORGET = FDWERRORGET;
627  unsigned IOCTL_HDIO_DRIVE_CMD = HDIO_DRIVE_CMD;
628  unsigned IOCTL_HDIO_GETGEO = HDIO_GETGEO;
629  unsigned IOCTL_HDIO_GET_32BIT = HDIO_GET_32BIT;
630  unsigned IOCTL_HDIO_GET_DMA = HDIO_GET_DMA;
631  unsigned IOCTL_HDIO_GET_IDENTITY = HDIO_GET_IDENTITY;
632  unsigned IOCTL_HDIO_GET_KEEPSETTINGS = HDIO_GET_KEEPSETTINGS;
633  unsigned IOCTL_HDIO_GET_MULTCOUNT = HDIO_GET_MULTCOUNT;
634  unsigned IOCTL_HDIO_GET_NOWERR = HDIO_GET_NOWERR;
635  unsigned IOCTL_HDIO_GET_UNMASKINTR = HDIO_GET_UNMASKINTR;
636  unsigned IOCTL_HDIO_SET_32BIT = HDIO_SET_32BIT;
637  unsigned IOCTL_HDIO_SET_DMA = HDIO_SET_DMA;
638  unsigned IOCTL_HDIO_SET_KEEPSETTINGS = HDIO_SET_KEEPSETTINGS;
639  unsigned IOCTL_HDIO_SET_MULTCOUNT = HDIO_SET_MULTCOUNT;
640  unsigned IOCTL_HDIO_SET_NOWERR = HDIO_SET_NOWERR;
641  unsigned IOCTL_HDIO_SET_UNMASKINTR = HDIO_SET_UNMASKINTR;
642  unsigned IOCTL_MTIOCPOS = MTIOCPOS;
643  unsigned IOCTL_PPPIOCGASYNCMAP = PPPIOCGASYNCMAP;
644  unsigned IOCTL_PPPIOCGDEBUG = PPPIOCGDEBUG;
645  unsigned IOCTL_PPPIOCGFLAGS = PPPIOCGFLAGS;
646  unsigned IOCTL_PPPIOCGUNIT = PPPIOCGUNIT;
647  unsigned IOCTL_PPPIOCGXASYNCMAP = PPPIOCGXASYNCMAP;
648  unsigned IOCTL_PPPIOCSASYNCMAP = PPPIOCSASYNCMAP;
649  unsigned IOCTL_PPPIOCSDEBUG = PPPIOCSDEBUG;
650  unsigned IOCTL_PPPIOCSFLAGS = PPPIOCSFLAGS;
651  unsigned IOCTL_PPPIOCSMAXCID = PPPIOCSMAXCID;
652  unsigned IOCTL_PPPIOCSMRU = PPPIOCSMRU;
653  unsigned IOCTL_PPPIOCSXASYNCMAP = PPPIOCSXASYNCMAP;
654  unsigned IOCTL_SIOCADDRT = SIOCADDRT;
655  unsigned IOCTL_SIOCDARP = SIOCDARP;
656  unsigned IOCTL_SIOCDELRT = SIOCDELRT;
657  unsigned IOCTL_SIOCDRARP = SIOCDRARP;
658  unsigned IOCTL_SIOCGARP = SIOCGARP;
659  unsigned IOCTL_SIOCGIFENCAP = SIOCGIFENCAP;
660  unsigned IOCTL_SIOCGIFHWADDR = SIOCGIFHWADDR;
661  unsigned IOCTL_SIOCGIFMAP = SIOCGIFMAP;
662  unsigned IOCTL_SIOCGIFMEM = SIOCGIFMEM;
663  unsigned IOCTL_SIOCGIFNAME = SIOCGIFNAME;
664  unsigned IOCTL_SIOCGIFSLAVE = SIOCGIFSLAVE;
665  unsigned IOCTL_SIOCGRARP = SIOCGRARP;
666  unsigned IOCTL_SIOCGSTAMP = SIOCGSTAMP;
667  unsigned IOCTL_SIOCSARP = SIOCSARP;
668  unsigned IOCTL_SIOCSIFENCAP = SIOCSIFENCAP;
669  unsigned IOCTL_SIOCSIFHWADDR = SIOCSIFHWADDR;
670  unsigned IOCTL_SIOCSIFLINK = SIOCSIFLINK;
671  unsigned IOCTL_SIOCSIFMAP = SIOCSIFMAP;
672  unsigned IOCTL_SIOCSIFMEM = SIOCSIFMEM;
673  unsigned IOCTL_SIOCSIFSLAVE = SIOCSIFSLAVE;
674  unsigned IOCTL_SIOCSRARP = SIOCSRARP;
675# if SOUND_VERSION >= 0x040000
676  unsigned IOCTL_SNDCTL_COPR_HALT = IOCTL_NOT_PRESENT;
677  unsigned IOCTL_SNDCTL_COPR_LOAD = IOCTL_NOT_PRESENT;
678  unsigned IOCTL_SNDCTL_COPR_RCODE = IOCTL_NOT_PRESENT;
679  unsigned IOCTL_SNDCTL_COPR_RCVMSG = IOCTL_NOT_PRESENT;
680  unsigned IOCTL_SNDCTL_COPR_RDATA = IOCTL_NOT_PRESENT;
681  unsigned IOCTL_SNDCTL_COPR_RESET = IOCTL_NOT_PRESENT;
682  unsigned IOCTL_SNDCTL_COPR_RUN = IOCTL_NOT_PRESENT;
683  unsigned IOCTL_SNDCTL_COPR_SENDMSG = IOCTL_NOT_PRESENT;
684  unsigned IOCTL_SNDCTL_COPR_WCODE = IOCTL_NOT_PRESENT;
685  unsigned IOCTL_SNDCTL_COPR_WDATA = IOCTL_NOT_PRESENT;
686  unsigned IOCTL_SOUND_PCM_READ_BITS = IOCTL_NOT_PRESENT;
687  unsigned IOCTL_SOUND_PCM_READ_CHANNELS = IOCTL_NOT_PRESENT;
688  unsigned IOCTL_SOUND_PCM_READ_FILTER = IOCTL_NOT_PRESENT;
689  unsigned IOCTL_SOUND_PCM_READ_RATE = IOCTL_NOT_PRESENT;
690  unsigned IOCTL_SOUND_PCM_WRITE_CHANNELS = IOCTL_NOT_PRESENT;
691  unsigned IOCTL_SOUND_PCM_WRITE_FILTER = IOCTL_NOT_PRESENT;
692# else  // SOUND_VERSION
693  unsigned IOCTL_SNDCTL_COPR_HALT = SNDCTL_COPR_HALT;
694  unsigned IOCTL_SNDCTL_COPR_LOAD = SNDCTL_COPR_LOAD;
695  unsigned IOCTL_SNDCTL_COPR_RCODE = SNDCTL_COPR_RCODE;
696  unsigned IOCTL_SNDCTL_COPR_RCVMSG = SNDCTL_COPR_RCVMSG;
697  unsigned IOCTL_SNDCTL_COPR_RDATA = SNDCTL_COPR_RDATA;
698  unsigned IOCTL_SNDCTL_COPR_RESET = SNDCTL_COPR_RESET;
699  unsigned IOCTL_SNDCTL_COPR_RUN = SNDCTL_COPR_RUN;
700  unsigned IOCTL_SNDCTL_COPR_SENDMSG = SNDCTL_COPR_SENDMSG;
701  unsigned IOCTL_SNDCTL_COPR_WCODE = SNDCTL_COPR_WCODE;
702  unsigned IOCTL_SNDCTL_COPR_WDATA = SNDCTL_COPR_WDATA;
703  unsigned IOCTL_SOUND_PCM_READ_BITS = SOUND_PCM_READ_BITS;
704  unsigned IOCTL_SOUND_PCM_READ_CHANNELS = SOUND_PCM_READ_CHANNELS;
705  unsigned IOCTL_SOUND_PCM_READ_FILTER = SOUND_PCM_READ_FILTER;
706  unsigned IOCTL_SOUND_PCM_READ_RATE = SOUND_PCM_READ_RATE;
707  unsigned IOCTL_SOUND_PCM_WRITE_CHANNELS = SOUND_PCM_WRITE_CHANNELS;
708  unsigned IOCTL_SOUND_PCM_WRITE_FILTER = SOUND_PCM_WRITE_FILTER;
709#endif // SOUND_VERSION
710  unsigned IOCTL_TCFLSH = TCFLSH;
711  unsigned IOCTL_TCGETA = TCGETA;
712  unsigned IOCTL_TCGETS = TCGETS;
713  unsigned IOCTL_TCSBRK = TCSBRK;
714  unsigned IOCTL_TCSBRKP = TCSBRKP;
715  unsigned IOCTL_TCSETA = TCSETA;
716  unsigned IOCTL_TCSETAF = TCSETAF;
717  unsigned IOCTL_TCSETAW = TCSETAW;
718  unsigned IOCTL_TCSETS = TCSETS;
719  unsigned IOCTL_TCSETSF = TCSETSF;
720  unsigned IOCTL_TCSETSW = TCSETSW;
721  unsigned IOCTL_TCXONC = TCXONC;
722  unsigned IOCTL_TIOCGLCKTRMIOS = TIOCGLCKTRMIOS;
723  unsigned IOCTL_TIOCGSOFTCAR = TIOCGSOFTCAR;
724  unsigned IOCTL_TIOCINQ = TIOCINQ;
725  unsigned IOCTL_TIOCLINUX = TIOCLINUX;
726  unsigned IOCTL_TIOCSERCONFIG = TIOCSERCONFIG;
727  unsigned IOCTL_TIOCSERGETLSR = TIOCSERGETLSR;
728  unsigned IOCTL_TIOCSERGWILD = TIOCSERGWILD;
729  unsigned IOCTL_TIOCSERSWILD = TIOCSERSWILD;
730  unsigned IOCTL_TIOCSLCKTRMIOS = TIOCSLCKTRMIOS;
731  unsigned IOCTL_TIOCSSOFTCAR = TIOCSSOFTCAR;
732  unsigned IOCTL_VT_DISALLOCATE = VT_DISALLOCATE;
733  unsigned IOCTL_VT_GETSTATE = VT_GETSTATE;
734  unsigned IOCTL_VT_RESIZE = VT_RESIZE;
735  unsigned IOCTL_VT_RESIZEX = VT_RESIZEX;
736  unsigned IOCTL_VT_SENDSIG = VT_SENDSIG;
737  unsigned IOCTL_MTIOCGET = MTIOCGET;
738  unsigned IOCTL_MTIOCTOP = MTIOCTOP;
739  unsigned IOCTL_SNDCTL_DSP_GETBLKSIZE = SNDCTL_DSP_GETBLKSIZE;
740  unsigned IOCTL_SNDCTL_DSP_GETFMTS = SNDCTL_DSP_GETFMTS;
741  unsigned IOCTL_SNDCTL_DSP_NONBLOCK = SNDCTL_DSP_NONBLOCK;
742  unsigned IOCTL_SNDCTL_DSP_POST = SNDCTL_DSP_POST;
743  unsigned IOCTL_SNDCTL_DSP_RESET = SNDCTL_DSP_RESET;
744  unsigned IOCTL_SNDCTL_DSP_SETFMT = SNDCTL_DSP_SETFMT;
745  unsigned IOCTL_SNDCTL_DSP_SETFRAGMENT = SNDCTL_DSP_SETFRAGMENT;
746  unsigned IOCTL_SNDCTL_DSP_SPEED = SNDCTL_DSP_SPEED;
747  unsigned IOCTL_SNDCTL_DSP_STEREO = SNDCTL_DSP_STEREO;
748  unsigned IOCTL_SNDCTL_DSP_SUBDIVIDE = SNDCTL_DSP_SUBDIVIDE;
749  unsigned IOCTL_SNDCTL_DSP_SYNC = SNDCTL_DSP_SYNC;
750  unsigned IOCTL_SNDCTL_FM_4OP_ENABLE = SNDCTL_FM_4OP_ENABLE;
751  unsigned IOCTL_SNDCTL_FM_LOAD_INSTR = SNDCTL_FM_LOAD_INSTR;
752  unsigned IOCTL_SNDCTL_MIDI_INFO = SNDCTL_MIDI_INFO;
753  unsigned IOCTL_SNDCTL_MIDI_PRETIME = SNDCTL_MIDI_PRETIME;
754  unsigned IOCTL_SNDCTL_SEQ_CTRLRATE = SNDCTL_SEQ_CTRLRATE;
755  unsigned IOCTL_SNDCTL_SEQ_GETINCOUNT = SNDCTL_SEQ_GETINCOUNT;
756  unsigned IOCTL_SNDCTL_SEQ_GETOUTCOUNT = SNDCTL_SEQ_GETOUTCOUNT;
757  unsigned IOCTL_SNDCTL_SEQ_NRMIDIS = SNDCTL_SEQ_NRMIDIS;
758  unsigned IOCTL_SNDCTL_SEQ_NRSYNTHS = SNDCTL_SEQ_NRSYNTHS;
759  unsigned IOCTL_SNDCTL_SEQ_OUTOFBAND = SNDCTL_SEQ_OUTOFBAND;
760  unsigned IOCTL_SNDCTL_SEQ_PANIC = SNDCTL_SEQ_PANIC;
761  unsigned IOCTL_SNDCTL_SEQ_PERCMODE = SNDCTL_SEQ_PERCMODE;
762  unsigned IOCTL_SNDCTL_SEQ_RESET = SNDCTL_SEQ_RESET;
763  unsigned IOCTL_SNDCTL_SEQ_RESETSAMPLES = SNDCTL_SEQ_RESETSAMPLES;
764  unsigned IOCTL_SNDCTL_SEQ_SYNC = SNDCTL_SEQ_SYNC;
765  unsigned IOCTL_SNDCTL_SEQ_TESTMIDI = SNDCTL_SEQ_TESTMIDI;
766  unsigned IOCTL_SNDCTL_SEQ_THRESHOLD = SNDCTL_SEQ_THRESHOLD;
767  unsigned IOCTL_SNDCTL_SYNTH_INFO = SNDCTL_SYNTH_INFO;
768  unsigned IOCTL_SNDCTL_SYNTH_MEMAVL = SNDCTL_SYNTH_MEMAVL;
769  unsigned IOCTL_SNDCTL_TMR_CONTINUE = SNDCTL_TMR_CONTINUE;
770  unsigned IOCTL_SNDCTL_TMR_METRONOME = SNDCTL_TMR_METRONOME;
771  unsigned IOCTL_SNDCTL_TMR_SELECT = SNDCTL_TMR_SELECT;
772  unsigned IOCTL_SNDCTL_TMR_SOURCE = SNDCTL_TMR_SOURCE;
773  unsigned IOCTL_SNDCTL_TMR_START = SNDCTL_TMR_START;
774  unsigned IOCTL_SNDCTL_TMR_STOP = SNDCTL_TMR_STOP;
775  unsigned IOCTL_SNDCTL_TMR_TEMPO = SNDCTL_TMR_TEMPO;
776  unsigned IOCTL_SNDCTL_TMR_TIMEBASE = SNDCTL_TMR_TIMEBASE;
777  unsigned IOCTL_SOUND_MIXER_READ_ALTPCM = SOUND_MIXER_READ_ALTPCM;
778  unsigned IOCTL_SOUND_MIXER_READ_BASS = SOUND_MIXER_READ_BASS;
779  unsigned IOCTL_SOUND_MIXER_READ_CAPS = SOUND_MIXER_READ_CAPS;
780  unsigned IOCTL_SOUND_MIXER_READ_CD = SOUND_MIXER_READ_CD;
781  unsigned IOCTL_SOUND_MIXER_READ_DEVMASK = SOUND_MIXER_READ_DEVMASK;
782  unsigned IOCTL_SOUND_MIXER_READ_ENHANCE = SOUND_MIXER_READ_ENHANCE;
783  unsigned IOCTL_SOUND_MIXER_READ_IGAIN = SOUND_MIXER_READ_IGAIN;
784  unsigned IOCTL_SOUND_MIXER_READ_IMIX = SOUND_MIXER_READ_IMIX;
785  unsigned IOCTL_SOUND_MIXER_READ_LINE = SOUND_MIXER_READ_LINE;
786  unsigned IOCTL_SOUND_MIXER_READ_LINE1 = SOUND_MIXER_READ_LINE1;
787  unsigned IOCTL_SOUND_MIXER_READ_LINE2 = SOUND_MIXER_READ_LINE2;
788  unsigned IOCTL_SOUND_MIXER_READ_LINE3 = SOUND_MIXER_READ_LINE3;
789  unsigned IOCTL_SOUND_MIXER_READ_LOUD = SOUND_MIXER_READ_LOUD;
790  unsigned IOCTL_SOUND_MIXER_READ_MIC = SOUND_MIXER_READ_MIC;
791  unsigned IOCTL_SOUND_MIXER_READ_MUTE = SOUND_MIXER_READ_MUTE;
792  unsigned IOCTL_SOUND_MIXER_READ_OGAIN = SOUND_MIXER_READ_OGAIN;
793  unsigned IOCTL_SOUND_MIXER_READ_PCM = SOUND_MIXER_READ_PCM;
794  unsigned IOCTL_SOUND_MIXER_READ_RECLEV = SOUND_MIXER_READ_RECLEV;
795  unsigned IOCTL_SOUND_MIXER_READ_RECMASK = SOUND_MIXER_READ_RECMASK;
796  unsigned IOCTL_SOUND_MIXER_READ_RECSRC = SOUND_MIXER_READ_RECSRC;
797  unsigned IOCTL_SOUND_MIXER_READ_SPEAKER = SOUND_MIXER_READ_SPEAKER;
798  unsigned IOCTL_SOUND_MIXER_READ_STEREODEVS = SOUND_MIXER_READ_STEREODEVS;
799  unsigned IOCTL_SOUND_MIXER_READ_SYNTH = SOUND_MIXER_READ_SYNTH;
800  unsigned IOCTL_SOUND_MIXER_READ_TREBLE = SOUND_MIXER_READ_TREBLE;
801  unsigned IOCTL_SOUND_MIXER_READ_VOLUME = SOUND_MIXER_READ_VOLUME;
802  unsigned IOCTL_SOUND_MIXER_WRITE_ALTPCM = SOUND_MIXER_WRITE_ALTPCM;
803  unsigned IOCTL_SOUND_MIXER_WRITE_BASS = SOUND_MIXER_WRITE_BASS;
804  unsigned IOCTL_SOUND_MIXER_WRITE_CD = SOUND_MIXER_WRITE_CD;
805  unsigned IOCTL_SOUND_MIXER_WRITE_ENHANCE = SOUND_MIXER_WRITE_ENHANCE;
806  unsigned IOCTL_SOUND_MIXER_WRITE_IGAIN = SOUND_MIXER_WRITE_IGAIN;
807  unsigned IOCTL_SOUND_MIXER_WRITE_IMIX = SOUND_MIXER_WRITE_IMIX;
808  unsigned IOCTL_SOUND_MIXER_WRITE_LINE = SOUND_MIXER_WRITE_LINE;
809  unsigned IOCTL_SOUND_MIXER_WRITE_LINE1 = SOUND_MIXER_WRITE_LINE1;
810  unsigned IOCTL_SOUND_MIXER_WRITE_LINE2 = SOUND_MIXER_WRITE_LINE2;
811  unsigned IOCTL_SOUND_MIXER_WRITE_LINE3 = SOUND_MIXER_WRITE_LINE3;
812  unsigned IOCTL_SOUND_MIXER_WRITE_LOUD = SOUND_MIXER_WRITE_LOUD;
813  unsigned IOCTL_SOUND_MIXER_WRITE_MIC = SOUND_MIXER_WRITE_MIC;
814  unsigned IOCTL_SOUND_MIXER_WRITE_MUTE = SOUND_MIXER_WRITE_MUTE;
815  unsigned IOCTL_SOUND_MIXER_WRITE_OGAIN = SOUND_MIXER_WRITE_OGAIN;
816  unsigned IOCTL_SOUND_MIXER_WRITE_PCM = SOUND_MIXER_WRITE_PCM;
817  unsigned IOCTL_SOUND_MIXER_WRITE_RECLEV = SOUND_MIXER_WRITE_RECLEV;
818  unsigned IOCTL_SOUND_MIXER_WRITE_RECSRC = SOUND_MIXER_WRITE_RECSRC;
819  unsigned IOCTL_SOUND_MIXER_WRITE_SPEAKER = SOUND_MIXER_WRITE_SPEAKER;
820  unsigned IOCTL_SOUND_MIXER_WRITE_SYNTH = SOUND_MIXER_WRITE_SYNTH;
821  unsigned IOCTL_SOUND_MIXER_WRITE_TREBLE = SOUND_MIXER_WRITE_TREBLE;
822  unsigned IOCTL_SOUND_MIXER_WRITE_VOLUME = SOUND_MIXER_WRITE_VOLUME;
823  unsigned IOCTL_VT_ACTIVATE = VT_ACTIVATE;
824  unsigned IOCTL_VT_GETMODE = VT_GETMODE;
825  unsigned IOCTL_VT_OPENQRY = VT_OPENQRY;
826  unsigned IOCTL_VT_RELDISP = VT_RELDISP;
827  unsigned IOCTL_VT_SETMODE = VT_SETMODE;
828  unsigned IOCTL_VT_WAITACTIVE = VT_WAITACTIVE;
829#endif // SANITIZER_LINUX
830
831#if SANITIZER_LINUX && !SANITIZER_ANDROID
832  unsigned IOCTL_EQL_EMANCIPATE = EQL_EMANCIPATE;
833  unsigned IOCTL_EQL_ENSLAVE = EQL_ENSLAVE;
834  unsigned IOCTL_EQL_GETMASTRCFG = EQL_GETMASTRCFG;
835  unsigned IOCTL_EQL_GETSLAVECFG = EQL_GETSLAVECFG;
836  unsigned IOCTL_EQL_SETMASTRCFG = EQL_SETMASTRCFG;
837  unsigned IOCTL_EQL_SETSLAVECFG = EQL_SETSLAVECFG;
838#if EV_VERSION > (0x010000)
839  unsigned IOCTL_EVIOCGKEYCODE_V2 = EVIOCGKEYCODE_V2;
840  unsigned IOCTL_EVIOCGPROP = EVIOCGPROP(0);
841  unsigned IOCTL_EVIOCSKEYCODE_V2 = EVIOCSKEYCODE_V2;
842#else
843  unsigned IOCTL_EVIOCGKEYCODE_V2 = IOCTL_NOT_PRESENT;
844  unsigned IOCTL_EVIOCGPROP = IOCTL_NOT_PRESENT;
845  unsigned IOCTL_EVIOCSKEYCODE_V2 = IOCTL_NOT_PRESENT;
846#endif
847  unsigned IOCTL_FS_IOC_GETFLAGS = _IOR('f', 1, long);
848  unsigned IOCTL_FS_IOC_GETVERSION = _IOR('v', 1, long);
849  unsigned IOCTL_FS_IOC_SETFLAGS = _IOW('f', 2, long);
850  unsigned IOCTL_FS_IOC_SETVERSION = _IOW('v', 2, long);
851  unsigned IOCTL_GIO_CMAP = GIO_CMAP;
852  unsigned IOCTL_GIO_FONT = GIO_FONT;
853  unsigned IOCTL_GIO_UNIMAP = GIO_UNIMAP;
854  unsigned IOCTL_GIO_UNISCRNMAP = GIO_UNISCRNMAP;
855  unsigned IOCTL_KDADDIO = KDADDIO;
856  unsigned IOCTL_KDDELIO = KDDELIO;
857  unsigned IOCTL_KDGETKEYCODE = KDGETKEYCODE;
858  unsigned IOCTL_KDGKBDIACR = KDGKBDIACR;
859  unsigned IOCTL_KDGKBENT = KDGKBENT;
860  unsigned IOCTL_KDGKBLED = KDGKBLED;
861  unsigned IOCTL_KDGKBMETA = KDGKBMETA;
862  unsigned IOCTL_KDGKBSENT = KDGKBSENT;
863  unsigned IOCTL_KDMAPDISP = KDMAPDISP;
864  unsigned IOCTL_KDSETKEYCODE = KDSETKEYCODE;
865  unsigned IOCTL_KDSIGACCEPT = KDSIGACCEPT;
866  unsigned IOCTL_KDSKBDIACR = KDSKBDIACR;
867  unsigned IOCTL_KDSKBENT = KDSKBENT;
868  unsigned IOCTL_KDSKBLED = KDSKBLED;
869  unsigned IOCTL_KDSKBMETA = KDSKBMETA;
870  unsigned IOCTL_KDSKBSENT = KDSKBSENT;
871  unsigned IOCTL_KDUNMAPDISP = KDUNMAPDISP;
872  unsigned IOCTL_LPABORT = LPABORT;
873  unsigned IOCTL_LPABORTOPEN = LPABORTOPEN;
874  unsigned IOCTL_LPCAREFUL = LPCAREFUL;
875  unsigned IOCTL_LPCHAR = LPCHAR;
876  unsigned IOCTL_LPGETIRQ = LPGETIRQ;
877  unsigned IOCTL_LPGETSTATUS = LPGETSTATUS;
878  unsigned IOCTL_LPRESET = LPRESET;
879  unsigned IOCTL_LPSETIRQ = LPSETIRQ;
880  unsigned IOCTL_LPTIME = LPTIME;
881  unsigned IOCTL_LPWAIT = LPWAIT;
882  unsigned IOCTL_MTIOCGETCONFIG = MTIOCGETCONFIG;
883  unsigned IOCTL_MTIOCSETCONFIG = MTIOCSETCONFIG;
884  unsigned IOCTL_PIO_CMAP = PIO_CMAP;
885  unsigned IOCTL_PIO_FONT = PIO_FONT;
886  unsigned IOCTL_PIO_UNIMAP = PIO_UNIMAP;
887  unsigned IOCTL_PIO_UNIMAPCLR = PIO_UNIMAPCLR;
888  unsigned IOCTL_PIO_UNISCRNMAP = PIO_UNISCRNMAP;
889#if SANITIZER_GLIBC
890  unsigned IOCTL_SCSI_IOCTL_GET_IDLUN = SCSI_IOCTL_GET_IDLUN;
891  unsigned IOCTL_SCSI_IOCTL_PROBE_HOST = SCSI_IOCTL_PROBE_HOST;
892  unsigned IOCTL_SCSI_IOCTL_TAGGED_DISABLE = SCSI_IOCTL_TAGGED_DISABLE;
893  unsigned IOCTL_SCSI_IOCTL_TAGGED_ENABLE = SCSI_IOCTL_TAGGED_ENABLE;
894  unsigned IOCTL_SIOCAIPXITFCRT = SIOCAIPXITFCRT;
895  unsigned IOCTL_SIOCAIPXPRISLT = SIOCAIPXPRISLT;
896  unsigned IOCTL_SIOCAX25ADDUID = SIOCAX25ADDUID;
897  unsigned IOCTL_SIOCAX25DELUID = SIOCAX25DELUID;
898  unsigned IOCTL_SIOCAX25GETPARMS = SIOCAX25GETPARMS;
899  unsigned IOCTL_SIOCAX25GETUID = SIOCAX25GETUID;
900  unsigned IOCTL_SIOCAX25NOUID = SIOCAX25NOUID;
901  unsigned IOCTL_SIOCAX25SETPARMS = SIOCAX25SETPARMS;
902  unsigned IOCTL_SIOCDEVPLIP = SIOCDEVPLIP;
903  unsigned IOCTL_SIOCIPXCFGDATA = SIOCIPXCFGDATA;
904  unsigned IOCTL_SIOCNRDECOBS = SIOCNRDECOBS;
905  unsigned IOCTL_SIOCNRGETPARMS = SIOCNRGETPARMS;
906  unsigned IOCTL_SIOCNRRTCTL = SIOCNRRTCTL;
907  unsigned IOCTL_SIOCNRSETPARMS = SIOCNRSETPARMS;
908#endif
909  unsigned IOCTL_TIOCGSERIAL = TIOCGSERIAL;
910  unsigned IOCTL_TIOCSERGETMULTI = TIOCSERGETMULTI;
911  unsigned IOCTL_TIOCSERSETMULTI = TIOCSERSETMULTI;
912  unsigned IOCTL_TIOCSSERIAL = TIOCSSERIAL;
913#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
914
915#if SANITIZER_LINUX && !SANITIZER_ANDROID
916  unsigned IOCTL_GIO_SCRNMAP = GIO_SCRNMAP;
917  unsigned IOCTL_KDDISABIO = KDDISABIO;
918  unsigned IOCTL_KDENABIO = KDENABIO;
919  unsigned IOCTL_KDGETLED = KDGETLED;
920  unsigned IOCTL_KDGETMODE = KDGETMODE;
921  unsigned IOCTL_KDGKBMODE = KDGKBMODE;
922  unsigned IOCTL_KDGKBTYPE = KDGKBTYPE;
923  unsigned IOCTL_KDMKTONE = KDMKTONE;
924  unsigned IOCTL_KDSETLED = KDSETLED;
925  unsigned IOCTL_KDSETMODE = KDSETMODE;
926  unsigned IOCTL_KDSKBMODE = KDSKBMODE;
927  unsigned IOCTL_KIOCSOUND = KIOCSOUND;
928  unsigned IOCTL_PIO_SCRNMAP = PIO_SCRNMAP;
929  unsigned IOCTL_SNDCTL_DSP_GETISPACE = SNDCTL_DSP_GETISPACE;
930  unsigned IOCTL_SNDCTL_DSP_GETOSPACE = SNDCTL_DSP_GETOSPACE;
931#endif // (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
932
933  const int si_SEGV_MAPERR = SEGV_MAPERR;
934  const int si_SEGV_ACCERR = SEGV_ACCERR;
935} // namespace __sanitizer
936
937using namespace __sanitizer;
938
939COMPILER_CHECK(sizeof(__sanitizer_pthread_attr_t) >= sizeof(pthread_attr_t));
940
941COMPILER_CHECK(sizeof(socklen_t) == sizeof(unsigned));
942CHECK_TYPE_SIZE(pthread_key_t);
943
944#if SANITIZER_LINUX
945// FIXME: We define those on Linux and Mac, but only check on Linux.
946COMPILER_CHECK(IOC_NRBITS == _IOC_NRBITS);
947COMPILER_CHECK(IOC_TYPEBITS == _IOC_TYPEBITS);
948COMPILER_CHECK(IOC_SIZEBITS == _IOC_SIZEBITS);
949COMPILER_CHECK(IOC_DIRBITS == _IOC_DIRBITS);
950COMPILER_CHECK(IOC_NRMASK == _IOC_NRMASK);
951COMPILER_CHECK(IOC_TYPEMASK == _IOC_TYPEMASK);
952COMPILER_CHECK(IOC_SIZEMASK == _IOC_SIZEMASK);
953COMPILER_CHECK(IOC_DIRMASK == _IOC_DIRMASK);
954COMPILER_CHECK(IOC_NRSHIFT == _IOC_NRSHIFT);
955COMPILER_CHECK(IOC_TYPESHIFT == _IOC_TYPESHIFT);
956COMPILER_CHECK(IOC_SIZESHIFT == _IOC_SIZESHIFT);
957COMPILER_CHECK(IOC_DIRSHIFT == _IOC_DIRSHIFT);
958COMPILER_CHECK(IOC_NONE == _IOC_NONE);
959COMPILER_CHECK(IOC_WRITE == _IOC_WRITE);
960COMPILER_CHECK(IOC_READ == _IOC_READ);
961COMPILER_CHECK(EVIOC_ABS_MAX == ABS_MAX);
962COMPILER_CHECK(EVIOC_EV_MAX == EV_MAX);
963COMPILER_CHECK(IOC_SIZE(0x12345678) == _IOC_SIZE(0x12345678));
964COMPILER_CHECK(IOC_DIR(0x12345678) == _IOC_DIR(0x12345678));
965COMPILER_CHECK(IOC_NR(0x12345678) == _IOC_NR(0x12345678));
966COMPILER_CHECK(IOC_TYPE(0x12345678) == _IOC_TYPE(0x12345678));
967#endif // SANITIZER_LINUX
968
969#if SANITIZER_LINUX || SANITIZER_FREEBSD
970// There are more undocumented fields in dl_phdr_info that we are not interested
971// in.
972COMPILER_CHECK(sizeof(__sanitizer_dl_phdr_info) <= sizeof(dl_phdr_info));
973CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_addr);
974CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_name);
975CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phdr);
976CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phnum);
977#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
978
979#if SANITIZER_GLIBC || SANITIZER_FREEBSD
980CHECK_TYPE_SIZE(glob_t);
981CHECK_SIZE_AND_OFFSET(glob_t, gl_pathc);
982CHECK_SIZE_AND_OFFSET(glob_t, gl_pathv);
983CHECK_SIZE_AND_OFFSET(glob_t, gl_offs);
984CHECK_SIZE_AND_OFFSET(glob_t, gl_flags);
985CHECK_SIZE_AND_OFFSET(glob_t, gl_closedir);
986CHECK_SIZE_AND_OFFSET(glob_t, gl_readdir);
987CHECK_SIZE_AND_OFFSET(glob_t, gl_opendir);
988CHECK_SIZE_AND_OFFSET(glob_t, gl_lstat);
989CHECK_SIZE_AND_OFFSET(glob_t, gl_stat);
990#endif  // SANITIZER_GLIBC || SANITIZER_FREEBSD
991
992CHECK_TYPE_SIZE(addrinfo);
993CHECK_SIZE_AND_OFFSET(addrinfo, ai_flags);
994CHECK_SIZE_AND_OFFSET(addrinfo, ai_family);
995CHECK_SIZE_AND_OFFSET(addrinfo, ai_socktype);
996CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
997CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
998CHECK_SIZE_AND_OFFSET(addrinfo, ai_addrlen);
999CHECK_SIZE_AND_OFFSET(addrinfo, ai_canonname);
1000CHECK_SIZE_AND_OFFSET(addrinfo, ai_addr);
1001
1002CHECK_TYPE_SIZE(hostent);
1003CHECK_SIZE_AND_OFFSET(hostent, h_name);
1004CHECK_SIZE_AND_OFFSET(hostent, h_aliases);
1005CHECK_SIZE_AND_OFFSET(hostent, h_addrtype);
1006CHECK_SIZE_AND_OFFSET(hostent, h_length);
1007CHECK_SIZE_AND_OFFSET(hostent, h_addr_list);
1008
1009CHECK_TYPE_SIZE(iovec);
1010CHECK_SIZE_AND_OFFSET(iovec, iov_base);
1011CHECK_SIZE_AND_OFFSET(iovec, iov_len);
1012
1013// In POSIX, int msg_iovlen; socklen_t msg_controllen; socklen_t cmsg_len; but
1014// many implementations don't conform to the standard. Since we pick the
1015// non-conforming glibc definition, exclude the checks for musl (incompatible
1016// sizes but compatible offsets).
1017CHECK_TYPE_SIZE(msghdr);
1018CHECK_SIZE_AND_OFFSET(msghdr, msg_name);
1019CHECK_SIZE_AND_OFFSET(msghdr, msg_namelen);
1020CHECK_SIZE_AND_OFFSET(msghdr, msg_iov);
1021#if SANITIZER_GLIBC || SANITIZER_ANDROID
1022CHECK_SIZE_AND_OFFSET(msghdr, msg_iovlen);
1023#endif
1024CHECK_SIZE_AND_OFFSET(msghdr, msg_control);
1025#if SANITIZER_GLIBC || SANITIZER_ANDROID
1026CHECK_SIZE_AND_OFFSET(msghdr, msg_controllen);
1027#endif
1028CHECK_SIZE_AND_OFFSET(msghdr, msg_flags);
1029
1030CHECK_TYPE_SIZE(cmsghdr);
1031#if SANITIZER_GLIBC || SANITIZER_ANDROID
1032CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_len);
1033#endif
1034CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_level);
1035CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_type);
1036
1037#if SANITIZER_LINUX && (__ANDROID_API__ >= 21 || __GLIBC_PREREQ (2, 14))
1038CHECK_TYPE_SIZE(mmsghdr);
1039CHECK_SIZE_AND_OFFSET(mmsghdr, msg_hdr);
1040CHECK_SIZE_AND_OFFSET(mmsghdr, msg_len);
1041#endif
1042
1043COMPILER_CHECK(sizeof(__sanitizer_dirent) <= sizeof(dirent));
1044CHECK_SIZE_AND_OFFSET(dirent, d_ino);
1045#if SANITIZER_MAC
1046CHECK_SIZE_AND_OFFSET(dirent, d_seekoff);
1047#elif SANITIZER_FREEBSD
1048// There is no 'd_off' field on FreeBSD.
1049#else
1050CHECK_SIZE_AND_OFFSET(dirent, d_off);
1051#endif
1052CHECK_SIZE_AND_OFFSET(dirent, d_reclen);
1053
1054#if SANITIZER_LINUX && !SANITIZER_ANDROID
1055COMPILER_CHECK(sizeof(__sanitizer_dirent64) <= sizeof(dirent64));
1056CHECK_SIZE_AND_OFFSET(dirent64, d_ino);
1057CHECK_SIZE_AND_OFFSET(dirent64, d_off);
1058CHECK_SIZE_AND_OFFSET(dirent64, d_reclen);
1059#endif
1060
1061CHECK_TYPE_SIZE(ifconf);
1062CHECK_SIZE_AND_OFFSET(ifconf, ifc_len);
1063CHECK_SIZE_AND_OFFSET(ifconf, ifc_ifcu);
1064
1065CHECK_TYPE_SIZE(pollfd);
1066CHECK_SIZE_AND_OFFSET(pollfd, fd);
1067CHECK_SIZE_AND_OFFSET(pollfd, events);
1068CHECK_SIZE_AND_OFFSET(pollfd, revents);
1069
1070CHECK_TYPE_SIZE(nfds_t);
1071
1072CHECK_TYPE_SIZE(sigset_t);
1073
1074COMPILER_CHECK(sizeof(__sanitizer_sigaction) == sizeof(struct sigaction));
1075// Can't write checks for sa_handler and sa_sigaction due to them being
1076// preprocessor macros.
1077CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_mask);
1078#if !defined(__s390x__) || __GLIBC_PREREQ (2, 20)
1079// On s390x glibc 2.19 and earlier sa_flags was unsigned long, and sa_resv
1080// didn't exist.
1081CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_flags);
1082#endif
1083#if SANITIZER_LINUX && (!SANITIZER_ANDROID || !SANITIZER_MIPS32)
1084CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_restorer);
1085#endif
1086
1087#if SANITIZER_LINUX
1088CHECK_TYPE_SIZE(__sysctl_args);
1089CHECK_SIZE_AND_OFFSET(__sysctl_args, name);
1090CHECK_SIZE_AND_OFFSET(__sysctl_args, nlen);
1091CHECK_SIZE_AND_OFFSET(__sysctl_args, oldval);
1092CHECK_SIZE_AND_OFFSET(__sysctl_args, oldlenp);
1093CHECK_SIZE_AND_OFFSET(__sysctl_args, newval);
1094CHECK_SIZE_AND_OFFSET(__sysctl_args, newlen);
1095
1096CHECK_TYPE_SIZE(__kernel_uid_t);
1097CHECK_TYPE_SIZE(__kernel_gid_t);
1098
1099#if SANITIZER_USES_UID16_SYSCALLS
1100CHECK_TYPE_SIZE(__kernel_old_uid_t);
1101CHECK_TYPE_SIZE(__kernel_old_gid_t);
1102#endif
1103
1104CHECK_TYPE_SIZE(__kernel_off_t);
1105CHECK_TYPE_SIZE(__kernel_loff_t);
1106CHECK_TYPE_SIZE(__kernel_fd_set);
1107#endif
1108
1109#if !SANITIZER_ANDROID
1110CHECK_TYPE_SIZE(wordexp_t);
1111CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordc);
1112CHECK_SIZE_AND_OFFSET(wordexp_t, we_wordv);
1113CHECK_SIZE_AND_OFFSET(wordexp_t, we_offs);
1114#endif
1115
1116CHECK_TYPE_SIZE(tm);
1117CHECK_SIZE_AND_OFFSET(tm, tm_sec);
1118CHECK_SIZE_AND_OFFSET(tm, tm_min);
1119CHECK_SIZE_AND_OFFSET(tm, tm_hour);
1120CHECK_SIZE_AND_OFFSET(tm, tm_mday);
1121CHECK_SIZE_AND_OFFSET(tm, tm_mon);
1122CHECK_SIZE_AND_OFFSET(tm, tm_year);
1123CHECK_SIZE_AND_OFFSET(tm, tm_wday);
1124CHECK_SIZE_AND_OFFSET(tm, tm_yday);
1125CHECK_SIZE_AND_OFFSET(tm, tm_isdst);
1126CHECK_SIZE_AND_OFFSET(tm, tm_gmtoff);
1127CHECK_SIZE_AND_OFFSET(tm, tm_zone);
1128
1129#if SANITIZER_LINUX
1130CHECK_TYPE_SIZE(mntent);
1131CHECK_SIZE_AND_OFFSET(mntent, mnt_fsname);
1132CHECK_SIZE_AND_OFFSET(mntent, mnt_dir);
1133CHECK_SIZE_AND_OFFSET(mntent, mnt_type);
1134CHECK_SIZE_AND_OFFSET(mntent, mnt_opts);
1135CHECK_SIZE_AND_OFFSET(mntent, mnt_freq);
1136CHECK_SIZE_AND_OFFSET(mntent, mnt_passno);
1137#endif
1138
1139CHECK_TYPE_SIZE(ether_addr);
1140
1141#if SANITIZER_GLIBC || SANITIZER_FREEBSD
1142CHECK_TYPE_SIZE(ipc_perm);
1143# if SANITIZER_FREEBSD
1144CHECK_SIZE_AND_OFFSET(ipc_perm, key);
1145CHECK_SIZE_AND_OFFSET(ipc_perm, seq);
1146# else
1147CHECK_SIZE_AND_OFFSET(ipc_perm, __key);
1148CHECK_SIZE_AND_OFFSET(ipc_perm, __seq);
1149# endif
1150CHECK_SIZE_AND_OFFSET(ipc_perm, uid);
1151CHECK_SIZE_AND_OFFSET(ipc_perm, gid);
1152CHECK_SIZE_AND_OFFSET(ipc_perm, cuid);
1153CHECK_SIZE_AND_OFFSET(ipc_perm, cgid);
1154#if !SANITIZER_LINUX || __GLIBC_PREREQ (2, 31)
1155/* glibc 2.30 and earlier provided 16-bit mode field instead of 32-bit
1156   on many architectures.  */
1157CHECK_SIZE_AND_OFFSET(ipc_perm, mode);
1158#endif
1159
1160CHECK_TYPE_SIZE(shmid_ds);
1161CHECK_SIZE_AND_OFFSET(shmid_ds, shm_perm);
1162CHECK_SIZE_AND_OFFSET(shmid_ds, shm_segsz);
1163CHECK_SIZE_AND_OFFSET(shmid_ds, shm_atime);
1164CHECK_SIZE_AND_OFFSET(shmid_ds, shm_dtime);
1165CHECK_SIZE_AND_OFFSET(shmid_ds, shm_ctime);
1166CHECK_SIZE_AND_OFFSET(shmid_ds, shm_cpid);
1167CHECK_SIZE_AND_OFFSET(shmid_ds, shm_lpid);
1168CHECK_SIZE_AND_OFFSET(shmid_ds, shm_nattch);
1169#endif
1170
1171CHECK_TYPE_SIZE(clock_t);
1172
1173#if SANITIZER_LINUX
1174CHECK_TYPE_SIZE(clockid_t);
1175#endif
1176
1177#if !SANITIZER_ANDROID
1178CHECK_TYPE_SIZE(ifaddrs);
1179CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_next);
1180CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_name);
1181CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_addr);
1182CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_netmask);
1183#if SANITIZER_LINUX || SANITIZER_FREEBSD
1184// Compare against the union, because we can't reach into the union in a
1185// compliant way.
1186#ifdef ifa_dstaddr
1187#undef ifa_dstaddr
1188#endif
1189# if SANITIZER_FREEBSD
1190CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
1191# else
1192COMPILER_CHECK(sizeof(((__sanitizer_ifaddrs *)nullptr)->ifa_dstaddr) ==
1193               sizeof(((ifaddrs *)nullptr)->ifa_ifu));
1194COMPILER_CHECK(offsetof(__sanitizer_ifaddrs, ifa_dstaddr) ==
1195               offsetof(ifaddrs, ifa_ifu));
1196# endif // SANITIZER_FREEBSD
1197#else
1198CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
1199#endif // SANITIZER_LINUX
1200CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_data);
1201#endif
1202
1203#if SANITIZER_GLIBC || SANITIZER_ANDROID
1204COMPILER_CHECK(sizeof(__sanitizer_struct_mallinfo) == sizeof(struct mallinfo));
1205#endif
1206
1207#if !SANITIZER_ANDROID
1208CHECK_TYPE_SIZE(timeb);
1209CHECK_SIZE_AND_OFFSET(timeb, time);
1210CHECK_SIZE_AND_OFFSET(timeb, millitm);
1211CHECK_SIZE_AND_OFFSET(timeb, timezone);
1212CHECK_SIZE_AND_OFFSET(timeb, dstflag);
1213#endif
1214
1215CHECK_TYPE_SIZE(passwd);
1216CHECK_SIZE_AND_OFFSET(passwd, pw_name);
1217CHECK_SIZE_AND_OFFSET(passwd, pw_passwd);
1218CHECK_SIZE_AND_OFFSET(passwd, pw_uid);
1219CHECK_SIZE_AND_OFFSET(passwd, pw_gid);
1220CHECK_SIZE_AND_OFFSET(passwd, pw_dir);
1221CHECK_SIZE_AND_OFFSET(passwd, pw_shell);
1222
1223#if !SANITIZER_ANDROID
1224CHECK_SIZE_AND_OFFSET(passwd, pw_gecos);
1225#endif
1226
1227#if SANITIZER_MAC
1228CHECK_SIZE_AND_OFFSET(passwd, pw_change);
1229CHECK_SIZE_AND_OFFSET(passwd, pw_expire);
1230CHECK_SIZE_AND_OFFSET(passwd, pw_class);
1231#endif
1232
1233
1234CHECK_TYPE_SIZE(group);
1235CHECK_SIZE_AND_OFFSET(group, gr_name);
1236CHECK_SIZE_AND_OFFSET(group, gr_passwd);
1237CHECK_SIZE_AND_OFFSET(group, gr_gid);
1238CHECK_SIZE_AND_OFFSET(group, gr_mem);
1239
1240#if HAVE_RPC_XDR_H
1241CHECK_TYPE_SIZE(XDR);
1242CHECK_SIZE_AND_OFFSET(XDR, x_op);
1243CHECK_SIZE_AND_OFFSET(XDR, x_ops);
1244CHECK_SIZE_AND_OFFSET(XDR, x_public);
1245CHECK_SIZE_AND_OFFSET(XDR, x_private);
1246CHECK_SIZE_AND_OFFSET(XDR, x_base);
1247CHECK_SIZE_AND_OFFSET(XDR, x_handy);
1248COMPILER_CHECK(__sanitizer_XDR_ENCODE == XDR_ENCODE);
1249COMPILER_CHECK(__sanitizer_XDR_DECODE == XDR_DECODE);
1250COMPILER_CHECK(__sanitizer_XDR_FREE == XDR_FREE);
1251#endif
1252
1253#if SANITIZER_GLIBC
1254COMPILER_CHECK(sizeof(__sanitizer_FILE) <= sizeof(FILE));
1255CHECK_SIZE_AND_OFFSET(FILE, _flags);
1256CHECK_SIZE_AND_OFFSET(FILE, _IO_read_ptr);
1257CHECK_SIZE_AND_OFFSET(FILE, _IO_read_end);
1258CHECK_SIZE_AND_OFFSET(FILE, _IO_read_base);
1259CHECK_SIZE_AND_OFFSET(FILE, _IO_write_ptr);
1260CHECK_SIZE_AND_OFFSET(FILE, _IO_write_end);
1261CHECK_SIZE_AND_OFFSET(FILE, _IO_write_base);
1262CHECK_SIZE_AND_OFFSET(FILE, _IO_buf_base);
1263CHECK_SIZE_AND_OFFSET(FILE, _IO_buf_end);
1264CHECK_SIZE_AND_OFFSET(FILE, _IO_save_base);
1265CHECK_SIZE_AND_OFFSET(FILE, _IO_backup_base);
1266CHECK_SIZE_AND_OFFSET(FILE, _IO_save_end);
1267CHECK_SIZE_AND_OFFSET(FILE, _markers);
1268CHECK_SIZE_AND_OFFSET(FILE, _chain);
1269CHECK_SIZE_AND_OFFSET(FILE, _fileno);
1270
1271COMPILER_CHECK(sizeof(__sanitizer__obstack_chunk) <= sizeof(_obstack_chunk));
1272CHECK_SIZE_AND_OFFSET(_obstack_chunk, limit);
1273CHECK_SIZE_AND_OFFSET(_obstack_chunk, prev);
1274CHECK_TYPE_SIZE(obstack);
1275CHECK_SIZE_AND_OFFSET(obstack, chunk_size);
1276CHECK_SIZE_AND_OFFSET(obstack, chunk);
1277CHECK_SIZE_AND_OFFSET(obstack, object_base);
1278CHECK_SIZE_AND_OFFSET(obstack, next_free);
1279
1280CHECK_TYPE_SIZE(cookie_io_functions_t);
1281CHECK_SIZE_AND_OFFSET(cookie_io_functions_t, read);
1282CHECK_SIZE_AND_OFFSET(cookie_io_functions_t, write);
1283CHECK_SIZE_AND_OFFSET(cookie_io_functions_t, seek);
1284CHECK_SIZE_AND_OFFSET(cookie_io_functions_t, close);
1285#endif  // SANITIZER_GLIBC
1286
1287#if SANITIZER_LINUX || SANITIZER_FREEBSD
1288CHECK_TYPE_SIZE(sem_t);
1289#endif
1290
1291#if SANITIZER_LINUX && defined(__arm__)
1292COMPILER_CHECK(ARM_VFPREGS_SIZE == ARM_VFPREGS_SIZE_ASAN);
1293#endif
1294
1295#endif // SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_MAC
1296