1 /* Copyright (C) 1998-2013 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
27 #define HEADER_MAX 256
29 static const char *macrofile;
32 static const char *const aio_syms[] =
34 "AIO_ALLDONE", "AIO_CANCELED", "AIO_NOTCANCELED", "LIO_NOP", "LIO_NOWAIT",
35 "LIO_READ", "LIO_WAIT", "LIO_WRITE",
37 "FD_CLOEXEC", "F_DUPFD", "F_GETFD", "F_GETFL", "F_GETLK", "F_RDLCK",
38 "F_SETFD", "F_SETFL", "F_SETLK", "F_SETLKW", "F_UNLCK", "F_WRLCK",
39 "O_ACCMODE", "O_APPEND", "O_CREAT", "O_DSYNC", "O_EXCL", "O_NOCTTY",
40 "O_NONBLOCK", "O_RDONLY", "O_RDWR", "O_RSYNC", "O_SYNC", "O_TRUNC",
42 /* From <signal.h>. */
43 "SA_NOCLDSTOP", "SA_SIGINFO", "SIGABRT", "SIGALRM", "SIGBUS", "SIGCHLD",
44 "SIGCONT", "SIGEV_NONE", "SIGEV_SIGNAL", "SIGEV_SIGNAL", "SIGEV_THREAD",
45 "SIGFPE", "SIGHUP", "SIGILL", "SIGINT", "SIGKILL", "SIGPIPE", "SIGQUIT",
46 "SIGRTMAX", "SIGRTMIN", "SIGSEGV", "SIGSTOP", "SIGTERM", "SIGTSTP",
47 "SIGTTIN", "SIGTTOU", "SIGUSR1", "SIGUSR2", "SIG_BLOCK", "SIG_DFL",
48 "SIG_ERR", "SIG_IGN", "SIG_SETMASK", "SIG_UNBLOCK", "SI_ASYNCIO",
49 "SI_MESGQ", "SI_QUEUE", "SI_TIMER", "SI_USER"
51 static const char *const aio_maybe[] =
53 "aio_cancel", "aio_error", "aio_fsync", "aio_read", "aio_return",
54 "aio_suspend", "aio_write", "lio_listio",
56 "creat", "fcntl", "open", "SEEK_CUR", "SEEK_END", "SEEK_SET", "S_IRGRP",
57 "S_IROTH", "S_IRUSR", "S_IRWXG", "S_IRWXO", "S_IRWXU", "S_ISBLK",
58 "S_ISCHR", "S_ISDIR", "S_ISFIFO", "S_ISGID", "S_ISREG", "S_ISUID",
59 "S_IWGRP", "S_IWOTH", "S_IWUSR", "S_IXGRP", "S_IXOTH", "S_IXUSR",
60 /* From <signal.h>. */
61 "kill", "raise", "sigaction", "sigaddset", "sigdelset", "sigemptyset",
62 "sigfillset", "sigismember", "signal", "sigpending", "sigprocmask",
63 "sigqueue", "sigsuspend", "sigtimedwait", "sigwait", "sigwaitinfo"
67 static const char *const assert_syms[] =
71 static const char *const assert_maybe[] =
76 static const char *const ctype_syms[] =
79 static const char *const ctype_maybe[] =
81 "isalnum", "isalpha", "iscntrl", "isdigit", "isgraph", "islower",
82 "isprint", "ispunct", "isspace", "isupper", "isxdigit", "tolower",
87 static const char *const dirent_syms[] =
90 static const char *const dirent_maybe[] =
92 "closedir", "opendir", "readdir", "readdir_r", "rewinddir"
96 static const char *const errno_syms[] =
98 "E2BIG", "EACCES", "EAGAIN", "EBADF", "EBADMSG", "EBUSY", "ECANCELED",
99 "ECHILD", "EDEADLK", "EDOM", "EEXIST", "EFAULT", "EFBIG", "EINPROGRESS",
100 "EINTR", "EINVAL", "EIO", "EISDIR", "EMFILE", "EMLINK", "EMSGSIZE",
101 "ENAMETOOLONG", "ENFILE", "ENODEV", "ENOENT", "ENOEXEC", "ENOLCK",
102 "ENOMEM", "ENOSPC", "ENOSYS", "ENOTDIR", "ENOTEMPTY", "ENOTSUP",
103 "ENOTTY", "ENXIO", "EPERM", "EPIPE", "ERANGE", "EROFS", "ESPIPE",
104 "ESRCH", "ETIMEDOUT", "EXDEV"
106 static const char *const errno_maybe[] =
112 static const char *const fcntl_syms[] =
114 "FD_CLOEXEC", "F_DUPFD", "F_GETFD", "F_GETFL", "F_GETLK", "F_RDLCK",
115 "F_SETFD", "F_SETFL", "F_SETLK", "F_SETLKW", "F_UNLCK", "F_WRLCK",
116 "O_ACCMODE", "O_APPEND", "O_CREAT", "O_DSYNC", "O_EXCL", "O_NOCTTY",
117 "O_NONBLOCK", "O_RDONLY", "O_RDWR", "O_RSYNC", "O_SYNC", "O_TRUNC",
120 static const char *const fcntl_maybe[] =
122 "creat", "fcntl", "open", "SEEK_CUR", "SEEK_END", "SEEK_SET", "S_IRGRP",
123 "S_IROTH", "S_IRUSR", "S_IRWXG", "S_IRWXO", "S_IRWXU", "S_ISBLK",
124 "S_ISCHR", "S_ISDIR", "S_ISFIFO", "S_ISGID", "S_ISREG", "S_ISUID",
125 "S_IWGRP", "S_IWOTH", "S_IWUSR", "S_IXGRP", "S_IXOTH", "S_IXUSR"
129 static const char *const float_syms[] =
131 "DBL_DIG", "DBL_EPSILON", "DBL_MANT_DIG", "DBL_MAX", "DBL_MAX_10_EXP",
132 "DBL_MAX_EXP", "DBL_MIN", "DBL_MIN_10_EXP", "DBL_MIN_EXP", "FLT_DIG",
133 "FLT_EPSILON", "FLT_MANT_DIG", "FLT_MAX", "FLT_MAX_10_EXP", "FLT_MAX_EXP",
134 "FLT_MIN", "FLT_MIN_10_EXP", "FLT_MIN_EXP", "FLT_RADIX", "FLT_ROUNDS",
135 "LDBL_DIG", "LDBL_EPSILON", "LDBL_MANT_DIG", "LDBL_MAX", "LDBL_MAX_10_EXP",
136 "LDBL_MAX_EXP", "LDBL_MIN", "LDBL_MIN_10_EXP", "LDBL_MIN_EXP"
138 static const char *const float_maybe[] =
143 static const char *const grp_syms[] =
146 static const char *const grp_maybe[] =
148 "getgrgid", "getgrgid_r", "getgrnam", "getgrnam_r"
152 static const char *const limits_syms[] =
154 "_POSIX_AIO_LISTIO_MAX", "_POSIX_AIO_MAX", "_POSIX_ARG_MAX",
155 "_POSIX_CHILD_MAX", "_POSIX_CLOCKRES_MAX", "_POSIX_DELAYTIMER_MAX",
156 "_POSIX_LINK_MAX", "_POSIX_LOGIN_NAME_MAX", "_POSIX_MAX_CANON",
157 "_POSIX_MAX_INPUT", "_POSIX_MQ_OPEN_MAX", "_POSIX_MQ_PRIO_MAX",
158 "_POSIX_NAME_MAX", "_POSIX_NGROUPS_MAX", "_POSIX_OPEN_MAX",
159 "_POSIX_PATH_MAX", "_POSIX_PIPE_BUF", "_POSIX_RTSIG_MAX",
160 "_POSIX_SEM_NSEMS_MAX", "_POSIX_SEM_VALUE_MAX", "_POSIX_SIGQUEUE_MAX",
161 "_POSIX_SSIZE_MAX", "_POSIX_STREAM_MAX",
162 "_POSIX_THREAD_DESTRUCTOR_ITERATIONS", "_POSIX_THREAD_KEYS_MAX",
163 "_POSIX_THREAD_THREADS_MAX", "_POSIX_TIMER_MAX", "_POSIX_TTY_NAME_MAX",
164 "_POSIX_TZNAME_MAX", "_POSIX_THREAD_DESTRUCTOR_ITERATIONS",
165 "CHAR_BIT", "CHAR_MAX", "CHAR_MIN", "INT_MAX", "INT_MIN", "LONG_MAX",
166 "LONG_MIN", "MB_LEN_MAX", "NGROUPS_MAX", "PAGESIZE", "SCHAR_MAX",
167 "SCHAR_MIN", "SHRT_MAX", "SHRT_MIN", "UCHAR_MAX", "UINT_MAX",
168 "ULONG_MAX", "USHRT_MAX"
170 static const char *const limits_maybe[] =
172 "AIO_LISTIO_MAX", "AIO_MAX", "ARG_MAX", "CHILD_MAX", "DELAYTIMER_MAX",
173 "LINK_MAX", "LOGIN_NAME_MAX", "LONG_MAX", "LONG_MIN", "MAX_CANON",
174 "MAX_INPUT", "MQ_OPEN_MAX", "MQ_PRIO_MAX", "NAME_MAX", "OPEN_MAX",
175 "PATH_MAX", "PIPE_BUF", "RTSIG_MAX", "PTHREAD_DESTRUCTOR_ITERATIONS",
176 "PTHREAD_KEYS_MAX", "PTHREAD_STACK_MIN", "PTHREAD_THREADS_MAX"
180 static const char *const locale_syms[] =
182 "LC_ALL", "LC_COLLATE", "LC_CTYPE", "LC_MONETARY", "LC_NUMERIC",
185 static const char *const locale_maybe[] =
187 "LC_*", "localeconv", "setlocale"
191 static const char *const math_syms[] =
195 static const char *const math_maybe[] =
197 "acos", "asin", "atan2", "atan", "ceil", "cos", "cosh", "exp",
198 "fabs", "floor", "fmod", "frexp", "ldexp", "log10", "log", "modf",
199 "pow", "sin", "sinh", "sqrt", "tan", "tanh",
200 "acosf", "asinf", "atan2f", "atanf", "ceilf", "cosf", "coshf", "expf",
201 "fabsf", "floorf", "fmodf", "frexpf", "ldexpf", "log10f", "logf", "modff",
202 "powf", "sinf", "sinhf", "sqrtf", "tanf", "tanhf",
203 "acosl", "asinl", "atan2l", "atanl", "ceill", "cosl", "coshl", "expl",
204 "fabsl", "floorl", "fmodl", "frexpl", "ldexpl", "log10l", "logl", "modfl",
205 "powl", "sinl", "sinhl", "sqrtl", "tanl", "tanhl"
209 static const char *const mqueue_syms[] =
212 static const char *const mqueue_maybe[] =
214 "mq_close", "mq_getattr", "mq_notify", "mq_open", "mq_receive",
215 "mq_send", "mq_setattr", "mq_unlink"
219 static const char *const pthread_syms[] =
221 "PTHREAD_CANCELED", "PTHREAD_CANCEL_ASYNCHRONOUS",
222 "PTHREAD_CANCEL_DEFERRED", "PTHREAD_CANCEL_DISABLE", "PTHREAD_CANCEL_ENABLE",
223 "PTHREAD_COND_INITIALIZER", "PTHREAD_CREATE_DETACHED",
224 "PTHREAD_CREATE_JOINABLE", "PTHREAD_EXPLICIT_SCHED",
225 "PTHREAD_INHERIT_SCHED", "PTHREAD_MUTEX_INITIALIZER",
226 "PTHREAD_ONCE_INIT", "PTHREAD_PRIO_INHERIT", "PTHREAD_PRIO_NONE",
227 "PTHREAD_PRIO_PROTECT", "PTHREAD_PROCESS_PRIVATE",
228 "PTHREAD_PROCESS_SHARED", "PTHREAD_SCOPE_PROCESS", "PTHREAD_SCOPE_SYSTEM",
229 /* These come from <sched.h>. */
230 "SCHED_FIFO", "SCHED_OTHER", "SCHED_RR",
231 /* These come from <time.h>. */
232 "CLK_TCK", "CLOCKS_PER_SEC", "CLOCK_REALTIME", "NULL", "TIMER_ABSTIME"
234 static const char *const pthread_maybe[] =
236 "pthread_atfork", "pthread_attr_destroy", "pthread_attr_getdetachstate",
237 "pthread_attr_getinheritsched", "pthread_attr_getschedparam",
238 "pthread_attr_getschedpolicy", "pthread_attr_getscope",
239 "pthread_attr_getstackaddr", "pthread_attr_getstacksize",
240 "pthread_attr_init", "pthread_attr_setdetachstate",
241 "pthread_attr_setinheritsched", "pthread_attr_setschedparam",
242 "pthread_attr_setschedpolicy", "pthread_attr_setscope",
243 "pthread_attr_setstackaddr", "pthread_attr_setstacksize",
244 "pthread_cleanup_pop", "pthread_cleanup_push", "pthread_cond_broadcast",
245 "pthread_cond_destroy", "pthread_cond_init", "pthread_cond_signal",
246 "pthread_cond_timedwait", "pthread_cond_wait", "pthread_condattr_destroy",
247 "pthread_condattr_getpshared", "pthread_condattr_init",
248 "pthread_condattr_setpshared", "pthread_create", "pthread_detach",
249 "pthread_equal", "pthread_exit", "pthread_getspecific", "pthread_join",
250 "pthread_key_create", "pthread_key_destroy", "pthread_kill",
251 "pthread_mutex_destroy", "pthread_mutex_getprioceiling",
252 "pthread_mutex_init", "pthread_mutex_lock", "pthread_mutex_setprioceiling",
253 "pthread_mutex_trylock", "pthread_mutex_unlock", "pthread_mutexattr_destroy",
254 "pthread_mutexattr_getprioceiling", "pthread_mutexattr_getprotocol",
255 "pthread_mutexattr_getpshared", "pthread_mutexattr_init",
256 "pthread_mutexattr_setprioceiling", "pthread_mutexattr_setprotocol",
257 "pthread_mutexattr_setpshared", "pthread_once", "pthread_self",
258 "pthread_setcancelstate", "pthread_setcanceltype", "pthread_setspecific",
259 "pthread_sigmask", "pthread_testcancel"
260 /* These come from <sched.h>. */
261 "sched_get_priority_max", "sched_get_priority_min",
262 "sched_get_rr_interval", "sched_getparam", "sched_getscheduler",
263 "sched_setparam", "sched_setscheduler", "sched_yield",
264 /* These come from <time.h>. */
265 "asctime", "asctime_r", "clock", "clock_getres", "clock_gettime",
266 "clock_settime", "ctime", "ctime_r", "difftime", "gmtime", "gmtime_r",
267 "localtime", "localtime_r", "mktime", "nanosleep", "strftime", "time",
268 "timer_create", "timer_delete", "timer_getoverrun", "timer_gettime",
269 "timer_settime", "tzset"
273 static const char *const pwd_syms[] =
276 static const char *const pwd_maybe[] =
278 "getpwnam", "getpwnam_r", "getpwuid", "getpwuid_r"
282 static const char *const sched_syms[] =
284 "SCHED_FIFO", "SCHED_OTHER", "SCHED_RR",
286 static const char *const sched_maybe[] =
288 "sched_get_priority_max", "sched_get_priority_min",
289 "sched_get_rr_interval", "sched_getparam", "sched_getscheduler",
290 "sched_setparam", "sched_setscheduler", "sched_yield",
291 /* These come from <time.h>. */
292 "CLK_TCK", "CLOCKS_PER_SEC", "CLOCK_REALTIME", "NULL", "TIMER_ABSTIME"
293 "asctime", "asctime_r", "clock", "clock_getres", "clock_gettime",
294 "clock_settime", "ctime", "ctime_r", "difftime", "gmtime", "gmtime_r",
295 "localtime", "localtime_r", "mktime", "nanosleep", "strftime", "time",
296 "timer_create", "timer_delete", "timer_getoverrun", "timer_gettime",
297 "timer_settime", "tzset"
301 static const char *const semaphore_syms[] =
304 static const char *const semaphore_maybe[] =
306 "sem_close", "sem_destroy", "sem_getvalue", "sem_init", "sem_open",
307 "sen_post", "sem_trywait", "sem_unlink", "sem_wait"
311 static const char *const setjmp_syms[] =
314 static const char *const setjmp_maybe[] =
316 "longjmp", "setjmp", "siglongjmp", "sigsetjmp"
320 static const char *const signal_syms[] =
322 "SA_NOCLDSTOP", "SA_SIGINFO", "SIGABRT", "SIGALRM", "SIGBUS", "SIGCHLD",
323 "SIGCONT", "SIGEV_NONE", "SIGEV_SIGNAL", "SIGEV_THREAD",
324 "SIGFPE", "SIGHUP", "SIGILL", "SIGINT", "SIGKILL", "SIGPIPE", "SIGQUIT",
325 "SIGRTMAX", "SIGRTMIN", "SIGSEGV", "SIGSTOP", "SIGTERM", "SIGTSTP",
326 "SIGTTIN", "SIGTTOU", "SIGUSR1", "SIGUSR2", "SIG_BLOCK", "SIG_DFL",
327 "SIG_ERR", "SIG_IGN", "SIG_SETMASK", "SIG_UNBLOCK", "SI_ASYNCIO",
328 "SI_MESGQ", "SI_QUEUE", "SI_TIMER", "SI_USER"
330 static const char *const signal_maybe[] =
332 "kill", "raise", "sigaction", "sigaddset", "sigdelset", "sigemptyset",
333 "sigfillset", "sigismember", "signal", "sigpending", "sigprocmask",
334 "sigqueue", "sigsuspend", "sigtimedwait", "sigwait", "sigwaitinfo"
338 static const char *const stdarg_syms[] =
340 "va_arg", "va_end", "va_start"
342 static const char *const stdarg_maybe[] =
348 static const char *const stddef_syms[] =
352 static const char *const stddef_maybe[] =
357 static const char *const stdio_syms[] =
359 "BUFSIZ", "EOF", "FILENAME_MAX", "FOPEN_MAX", "L_ctermid", "L_cuserid",
360 "L_tmpnam", "NULL", "SEEK_CUR", "SEEK_END", "SEEK_SET", "STREAM_MAX",
361 "TMP_MAX", "stderr", "stdin", "stdout", "_IOFBF", "_IOLBF", "_IONBF"
363 static const char *const stdio_maybe[] =
365 "clearerr", "fclose", "fdopen", "feof", "ferror", "fflush", "fgetc",
366 "fgetpos", "fgets", "fileno", "flockfile", "fopen", "fprintf", "fputc",
367 "fputs", "fread", "freopen", "fscanf", "fseek", "fsetpos", "ftell",
368 "ftrylockfile", "funlockfile", "fwrite", "getc", "getchar",
369 "getchar_unlocked", "getc_unlocked", "gets", "perror", "printf", "putc",
370 "putchar", "putchar_unlocked", "putc_unlocked", "puts", "remove", "rename",
371 "rewind", "scanf", "setbuf", "setvbuf", "sprintf", "sscanf", "tmpfile",
372 "tmpnam", "ungetc", "vfprintf", "vprintf", "vsprintf"
376 static const char *const stdlib_syms[] =
378 "EXIT_FAILURE", "EXIT_SUCCESS", "MB_CUR_MAX", "NULL", "RAND_MAX"
380 static const char *const stdlib_maybe[] =
382 "abort", "abs", "atexit", "atof", "atoi", "atol", "bsearch", "calloc",
383 "div", "exit", "free", "getenv", "labs", "ldiv", "malloc", "mblen",
384 "mbstowcs", "mbtowc", "qsort", "rand", "rand_r", "realloc", "srand",
385 "strtod", "strtol", "strtoul", "system", "wcstombs", "wctomb"
389 static const char *const string_syms[] =
393 static const char *const string_maybe[] =
395 "memchr", "memcmp", "memcpy", "memmove", "memset", "strcat", "strchr",
396 "strcmp", "strcoll", "strcpy", "strcspn", "strerror", "strlen",
397 "strncat", "strncmp", "strncpy", "strpbrk", "strrchr", "strspn",
398 "strstr", "strtok", "strtok_r", "strxfrm"
402 static const char *const mman_syms[] =
404 "MAP_FAILED", "MAP_FIXED", "MAP_PRIVATE", "MAP_SHARED", "MCL_CURRENT",
405 "MCL_FUTURE", "MS_ASYNC", "MS_INVALIDATE", "MS_SYNC", "PROT_EXEC",
406 "PROT_NONE", "PROT_READ", "PROT_WRITE"
408 static const char *const mman_maybe[] =
410 "mlock", "mlockall", "mmap", "mprotect", "msync", "munlock", "munlockall",
411 "munmap", "shm_open", "shm_unlock"
415 static const char *const stat_syms[] =
417 "S_IRGRP", "S_IROTH", "S_IRUSR", "S_IRWXG", "S_IRWXO", "S_IRWXU",
418 "S_ISBLK", "S_ISCHR", "S_ISDIR", "S_ISFIFO", "S_ISGID", "S_ISREG",
419 "S_ISUID", "S_IWGRP", "S_IWOTH", "S_IWUSR", "S_IXGRP", "S_IXOTH",
420 "S_IXUSR", "S_TYPEISMQ", "S_TYPEISSEM", "S_TYPEISSHM"
422 static const char *const stat_maybe[] =
424 "chmod", "fchmod", "fstat", "mkdir", "mkfifo", "stat", "umask"
428 static const char *const times_syms[] =
431 static const char *const times_maybe[] =
437 static const char *const types_syms[] =
440 static const char *const types_maybe[] =
444 /* <sys/utsname.h>. */
445 static const char *const utsname_syms[] =
448 static const char *const utsname_maybe[] =
454 static const char *const wait_syms[] =
456 "WEXITSTATUS", "WIFEXITED", "WIFSIGNALED", "WIFSTOPPED", "WNOHANG",
457 "WSTOPSIG", "WTERMSIG", "WUNTRACED"
459 static const char *const wait_maybe[] =
465 static const char *const termios_syms[] =
467 "B0", "B110", "B1200", "B134", "B150", "B1800", "B19200", "B200", "B2400",
468 "B300", "B38400", "B4800", "B50", "B600", "B75", "B9600", "BRKINT", "CLOCAL",
469 "CREAD", "CS5", "CS6", "CS7", "CS8", "CSIZE", "CSTOPN", "ECHO", "ECHOE",
470 "ECHOK", "ECHONL", "HUPCL", "ICANON", "ICRNL", "IEXTEN", "IGNBRK", "IGNCR",
471 "IGNPAR", "INCLR", "INPCK", "ISIG", "ISTRIP", "IXOFF", "IXON", "NCCS",
472 "NOFLSH", "OPOST", "PARENB", "PARMRK", "PARODD", "TCIFLUSH", "TCIOFF",
473 "TCIOFLUSH", "TCOFLUSH", "TCOOFF", "TCOON", "TCSADRAIN", "TCSAFLUSH",
474 "TCSANOW", "TOSTOP", "VEOF", "VEOL", "VERASE", "VINTR", "VKILL", "VMIN",
475 "VQUIT", "VSTART", "VSTOP", "VSUSP", "VTIME"
477 static const char *const termios_maybe[] =
479 "cfgetispeed", "cfgetospeed", "cfsetispeed", "cfsetospeed", "tcdrain",
480 "tcflow", "tcflush", "tcgetattr", "tcsendbrk", "tcsetattr"
484 static const char *const time_syms[] =
486 "CLK_TCK", "CLOCKS_PER_SEC", "CLOCK_REALTIME", "NULL", "TIMER_ABSTIME"
488 static const char *const time_maybe[] =
490 "asctime", "asctime_r", "clock", "clock_getres", "clock_gettime",
491 "clock_settime", "ctime", "ctime_r", "difftime", "gmtime", "gmtime_r",
492 "localtime", "localtime_r", "mktime", "nanosleep", "strftime", "time",
493 "timer_create", "timer_delete", "timer_getoverrun", "timer_gettime",
494 "timer_settime", "tzset"
498 static const char *const unistd_syms[] =
500 "F_OK", "NULL", "R_OK", "SEEK_CUR", "SEEK_END", "SEEK_SET", "STDERR_FILENO",
501 "STDIN_FILENO", "STDOUT_FILENO", "W_OK", "X_OK",
502 "_PC_ASYNC_IO", "_PC_CHOWN_RESTRICTED", "_PC_LINK_MAX", "_PC_MAX_CANON",
503 "_PC_MAX_INPUT", "_PC_NAME_MAX", "_PC_NO_TRUNC", "_PC_PATH_MAX",
504 "_PC_PIPE_BUF", "_PC_PRIO_IO", "_PC_SYNC_IO", "_PC_VDISABLE",
505 "_SC_AIO_LISTIO_MAX", "_SC_AIO_MAX", "_SC_AIO_PRIO_DELTA_MAX",
506 "_SC_ARG_MAX", "_SC_ASYNCHRONOUS_IO", "_SC_CHILD_MAX", "_SC_CLK_TCK",
507 "_SC_DELAYTIMER_MAX", "_SC_FSYNC", "_SC_GETGR_R_SIZE_MAX",
508 "_SC_GETPW_R_SIZE_MAX", "_SC_JOB_CONTROL", "_SC_LOGIN_NAME_MAX",
509 "_SC_MAPPED_FILES", "_SC_MEMLOCK", "_SC_MEMLOCK_RANGE",
510 "_SC_MEMORY_PROTECTION", "_SC_MESSAGE_PASSING", "_SC_MQ_OPEN_MAX",
511 "_SC_MQ_PRIO_MAX", "_SC_NGROUPS_MAX", "_SC_OPEN_MAX", "_SC_PAGESIZE",
512 "_SC_PRIORITIZED_IO", "_SC_PRIORITY_SCHEDULING", "_SC_REALTIME_SIGNALS",
513 "_SC_RTSIG_MAX", "_SC_SAVED_IDS", "_SC_SEMAPHORES", "_SC_SEM_NSEMS_MAX",
514 "_SC_SEM_VALUE_MAX", "_SC_SHARED_MEMORY_OBJECTS", "_SC_SIGQUEUE_MAX",
515 "_SC_STREAM_MAX", "_SC_SYNCHRONIZED_IO", "_SC_THREADS",
516 "_SC_THREAD_ATTR_STACKADDR", "_SC_THREAD_ATTR_STACKSIZE",
517 "_SC_THREAD_DESTRUCTOR_ITERATIONS", "_SC_THREAD_PRIO_INHERIT",
518 "_SC_THREAD_PRIORITY_SCHEDULING", "_SC_THREAD_PRIO_PROTECT",
519 "_SC_THREAD_PROCESS_SHARED", "_SC_THREAD_SAFE_FUNCTIONS",
520 "_SC_THREAD_STACK_MIN", "_SC_THREAD_THREADS_MAX", "_SC_TIMERS",
521 "_SC_TIMER_MAX", "_SC_TTY_NAME_MAX", "_SC_TZNAME_MAX", "_SC_VERSION"
523 static const char *const unistd_maybe[] =
525 "_POSIX_ASYNCHRONOUS_IO", "_POSIX_ASYNC_IO", "_POSIX_CHOWN_RESTRICTED",
526 "_POSIX_FSYNC", "_POSIX_JOB_CONTROL", "_POSIX_MAPPED_FILES",
527 "_POSIX_MEMLOCK", "_POSIX_MEMLOCK_RANGE", "_MEMORY_PROTECTION",
528 "_POSIX_MESSAGE_PASSING", "_POSIX_NO_TRUNC", "_POSIX_PRIORITIZED_IO",
529 "_POSIX_PRIORITY_SCHEDULING", "_POSIX_PRIO_IO", "_POSIX_REATIME_SIGNALS",
530 "_POSIX_SAVED_IDS", "_POSIX_SEMAPHORES", "_POSIX_SHARED_MEMORY_OBJECTS",
531 "_POSIX_SYNCHRONIZED_IO", "_POSIX_SYNC_IO", "_POSIX_THREADS",
532 "_POSIX_THREAD_ATTR_STACKADDR", "_POSIX_THREAD_ATTR_STACKSIZE",
533 "_POSIX_THREAD_PRIO_INHERIT", "_POSIX_THREAD_PRIO_PROTECT",
534 "_POSIX_THREAD_PROCESS_SHARED", "_POSIX_THREAD_SAFE_FUNCTIONS",
535 "_POSIX_THREAD_PRIORITY_SCHEDULING", "_POSIX_TIMERS",
536 "_POSIX_VDISABLE", "_POSIX_VERSION",
537 "_exit", "access", "alarm", "chdir", "chown", "close", "ctermid", "cuserid",
538 "dup2", "dup", "execl", "execle", "execlp", "execv", "execve", "execvp",
539 "fdatasync", "fork", "fpathconf", "fsync", "ftruncate", "getcwd", "getegid",
540 "geteuid", "getgid", "getgroups", "getlogin", "getlogin_r", "getpgrp",
541 "getpid", "getppid", "getuid", "isatty", "link", "lseek", "pathconf",
542 "pause", "pipe", "read", "rmdir", "setgid", "setgpid", "setsid", "setuid",
543 "sleep", "sleep", "sysconf", "tcgetpgrp", "tcsetpgrp", "ttyname",
544 "ttyname_r", "unlink", "write"
548 static const char *const utime_syms[] =
551 static const char *const utime_maybe[] =
560 const char *const *syms;
562 const char *const *maybe;
568 { #n ".h", n##_syms, sizeof (n##_syms) / sizeof (n##_syms[0]), \
569 n##_maybe, sizeof (n##_maybe) / sizeof (n##_maybe[0]), NULL }
571 { #n ".h", n##_syms, sizeof (n##_syms) / sizeof (n##_syms[0]), \
572 n##_maybe, sizeof (n##_maybe) / sizeof (n##_maybe[0]), s }
574 { "sys/" #n ".h", n##_syms, sizeof (n##_syms) / sizeof (n##_syms[0]), \
575 n##_maybe, sizeof (n##_maybe) / sizeof (n##_maybe[0]), NULL }
587 Hc(mqueue, "_POSIX_MESSAGE_PASSING"),
611 #define NUMBER_OF_HEADERS (sizeof headers / sizeof *headers)
614 /* Format string to build command to invoke compiler. */
615 static const char fmt[] = "\
616 echo \"#include <%s>\" |\
617 %s -E -dM -D_POSIX_SOURCE %s \
618 -isystem `%s --print-prog-name=include` - > %s";
620 static const char testfmt[] = "\
621 echo \"#include <unistd.h>\n#if !defined %s || %s == -1\n#error not defined\n#endif\n\" |\
622 %s -E -dM -D_POSIX_SOURCE %s \
623 -isystem `%s --print-prog-name=include` - 2> /dev/null > %s";
626 /* The compiler we use (given on the command line). */
628 /* The -I parameters for CC to find all headers. */
631 static char *xstrndup (const char *, size_t);
632 static const char **get_null_defines (void);
633 static int check_header (const struct header *, const char **);
634 static int xsystem (const char *);
637 main (int argc, char *argv[])
641 const char **ignore_list;
643 CC = argc > 1 ? argv[1] : "gcc";
644 INC = argc > 2 ? argv[2] : "";
646 if (system (NULL) == 0)
648 puts ("Sorry, no command processor.");
652 /* First get list of symbols which are defined by the compiler. */
653 ignore_list = get_null_defines ();
655 fputs ("Tested files:\n", stdout);
657 for (h = 0; h < NUMBER_OF_HEADERS; ++h)
658 result |= check_header (&headers[h], ignore_list);
660 /* The test suite should return errors but for now this is not
661 practical. Give a warning and ask the user to correct the bugs. */
667 xstrndup (const char *s, size_t n)
670 char *new = malloc (len + 1);
676 return memcpy (new, s, len);
680 /* Like system but propagate interrupt and quit signals. */
682 xsystem (const char *cmd)
686 status = system (cmd);
689 if (WIFSIGNALED (status))
691 if (WTERMSIG (status) == SIGINT || WTERMSIG (status) == SIGQUIT)
692 raise (WTERMSIG (status));
694 else if (WIFEXITED (status))
696 if (WEXITSTATUS (status) == SIGINT + 128
697 || WEXITSTATUS (status) == SIGQUIT + 128)
698 raise (WEXITSTATUS (status) - 128);
706 get_null_defines (void)
708 char line[BUFSIZ], *command;
709 char **result = NULL;
710 size_t result_len = 0;
711 size_t result_max = 0;
715 macrofile = tmpnam (NULL);
717 command = malloc (sizeof fmt + sizeof "/dev/null" + 2 * strlen (CC)
718 + strlen (INC) + strlen (macrofile));
722 puts ("No more memory.");
726 sprintf (command, fmt, "/dev/null", CC, INC, CC, macrofile);
728 if (xsystem (command))
730 puts ("system() returned nonzero");
734 input = fopen (macrofile, "r");
738 printf ("Could not read %s: ", macrofile);
743 while (fgets (line, sizeof line, input) != NULL)
746 if (strlen (line) < 9 || line[7] != ' ')
748 printf ("Malformed input, expected '#define MACRO'\ngot '%s'\n",
753 /* It's a safe identifier. */
755 if (result_len == result_max)
758 result = realloc (result, result_max * sizeof (char **));
761 puts ("No more memory.");
766 result[result_len++] = xstrndup (start, strcspn (start, " ("));
770 fputs ("The following identifiers will be ignored since the compiler defines them\nby default:\n", stdout);
773 puts (result[result_len - 1]);
775 if (result_len == result_max)
778 result = realloc (result, result_max * sizeof (char **));
781 puts ("No more memory.");
785 result[result_len] = NULL;
789 return (const char **) result;
794 check_header (const struct header *header, const char **except)
796 char line[BUFSIZ], command[sizeof fmt + strlen (header->name)
798 + strlen (INC) + strlen (macrofile)];
801 int found[header->nsyms];
804 memset (found, '\0', header->nsyms * sizeof (int));
806 printf ("=== %s ===\n", header->name);
807 sprintf (command, fmt, header->name, CC, INC, CC, macrofile);
809 /* First see whether this subset is supported at all. */
810 if (header->subset != NULL)
812 sprintf (line, testfmt, header->subset, header->subset, CC, INC, CC,
816 printf ("!! not available\n");
821 if (xsystem (command))
823 puts ("system() returned nonzero");
826 input = fopen (macrofile, "r");
830 printf ("Could not read %s: ", macrofile);
835 while (fgets (line, sizeof line, input) != NULL)
838 if (strlen (line) < 9 || line[7] != ' ')
840 printf ("Malformed input, expected '#define MACRO'\ngot '%s'\n",
846 /* Find next char after the macro identifier; this can be either
847 a space or an open parenthesis. */
848 line[8 + strcspn (&line[8], " (")] = '\0';
850 /* Now check whether it's one of the required macros. */
851 for (i = 0; i < header->nsyms; ++i)
852 if (!strcmp (&line[8], header->syms[i]))
854 if (i < header->nsyms)
860 /* Symbols starting with "_" are ok. */
864 /* Maybe one of the symbols which are always defined. */
865 for (ignore = except; *ignore != NULL; ++ignore)
866 if (! strcmp (&line[8], *ignore))
871 /* Otherwise the symbol better should match one of the following. */
872 for (i = 0; i < header->nmaybe; ++i)
873 if (fnmatch (header->maybe[i], &line[8], 0) == 0)
875 if (i < header->nmaybe)
878 printf ("* invalid macro `%s'\n", &line[8]);
884 for (i = 0; i < header->nsyms; ++i)
886 printf ("** macro `%s' not defined\n", header->syms[i]);