585 lines
13 KiB
C
585 lines
13 KiB
C
/**
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* \file system.h
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*/
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#ifndef H_SYSTEM
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#define H_SYSTEM
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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/* <unistd.h> should be included before any preprocessor test
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of _POSIX_VERSION. */
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#if defined(__LCLINT__)
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/*@-superuser -declundef -incondefs @*/ /* LCL: modifies clause missing */
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extern int chroot (const char *__path)
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/*@globals errno, systemState @*/
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/*@modifies errno, systemState @*/;
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/*@=superuser =declundef =incondefs @*/
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#endif
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#endif
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#if TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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#else
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# if HAVE_SYS_TIME_H
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# include <sys/time.h>
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# else
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# include <time.h>
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# endif
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#endif
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#if NEED_TIMEZONE
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extern time_t timezone;
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#endif
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/* Since major is a function on SVR4, we can't use `ifndef major'. */
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#if MAJOR_IN_MKDEV
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#include <sys/mkdev.h>
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#define HAVE_MAJOR
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#endif
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#if MAJOR_IN_SYSMACROS
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#include <sys/sysmacros.h>
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#define HAVE_MAJOR
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#endif
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#ifdef major /* Might be defined in sys/types.h. */
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#define HAVE_MAJOR
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#endif
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#ifndef HAVE_MAJOR
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#define major(dev) (((dev) >> 8) & 0xff)
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#define minor(dev) ((dev) & 0xff)
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#define makedev(maj, min) (((maj) << 8) | (min))
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#endif
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#undef HAVE_MAJOR
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#ifdef HAVE_UTIME_H
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#include <utime.h>
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#endif
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#ifdef HAVE_STRING_H
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# if !STDC_HEADERS && HAVE_MEMORY_H
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# include <memory.h>
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# endif
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# include <string.h>
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#else
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# include <strings.h>
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char *memchr ();
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#endif
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#if !defined(HAVE_STPCPY)
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char * stpcpy(/*@out@*/ char * dest, const char * src);
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#endif
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#if !defined(HAVE_STPNCPY)
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char * stpncpy(/*@out@*/ char * dest, const char * src, size_t n);
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#endif
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#include <errno.h>
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#ifndef errno
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/*@-declundef @*/
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extern int errno;
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/*@=declundef @*/
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#endif
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#ifdef STDC_HEADERS
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/*@-macrounrecog -incondefs -globuse -mustmod @*/ /* FIX: shrug */
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#define getopt system_getopt
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/*@=macrounrecog =incondefs =globuse =mustmod @*/
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/*@-skipansiheaders@*/
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#include <stdlib.h>
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/*@=skipansiheaders@*/
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#undef getopt
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#if defined(__LCLINT__)
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/*@-declundef -incondefs @*/ /* LCL: modifies clause missing */
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extern char * realpath (const char * file_name, /*@out@*/ char * resolved_name)
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/*@globals errno, fileSystem @*/
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/*@requires maxSet(resolved_name) >= (PATH_MAX - 1); @*/
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/*@modifies *resolved_name, errno, fileSystem @*/;
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/*@=declundef =incondefs @*/
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#endif
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#else /* not STDC_HEADERS */
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char *getenv (const char *name);
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#if ! HAVE_REALPATH
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char *realpath(const char *path, char resolved_path []);
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#endif
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#endif /* STDC_HEADERS */
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/* XXX solaris2.5.1 has not */
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#if !defined(EXIT_FAILURE)
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#define EXIT_FAILURE 1
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#endif
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#else
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#include <sys/file.h>
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#endif
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#if !defined(SEEK_SET) && !defined(__LCLINT__)
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#define SEEK_SET 0
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#define SEEK_CUR 1
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#define SEEK_END 2
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#endif
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#if !defined(F_OK) && !defined(__LCLINT__)
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#define F_OK 0
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#define X_OK 1
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#define W_OK 2
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#define R_OK 4
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#endif
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#ifdef HAVE_DIRENT_H
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# include <dirent.h>
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# define NLENGTH(direct) (strlen((direct)->d_name))
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#else /* not HAVE_DIRENT_H */
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# define dirent direct
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# define NLENGTH(direct) ((direct)->d_namlen)
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# ifdef HAVE_SYS_NDIR_H
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# include <sys/ndir.h>
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# endif /* HAVE_SYS_NDIR_H */
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# ifdef HAVE_SYS_DIR_H
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# include <sys/dir.h>
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# endif /* HAVE_SYS_DIR_H */
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# ifdef HAVE_NDIR_H
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# include <ndir.h>
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# endif /* HAVE_NDIR_H */
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#endif /* HAVE_DIRENT_H */
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#if defined(__LCLINT__)
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/*@-declundef -incondefs @*/ /* LCL: missing annotation */
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/*@only@*/ void * alloca (size_t __size)
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/*@ensures MaxSet(result) == (__size - 1) @*/
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/*@*/;
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/*@=declundef =incondefs @*/
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#endif
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#ifdef __GNUC__
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# undef alloca
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# define alloca __builtin_alloca
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#else
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# ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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# else
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# ifndef _AIX
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/* AIX alloca decl has to be the first thing in the file, bletch! */
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char *alloca ();
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# endif
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# endif
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#endif
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#include <ctype.h>
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#if defined (__GLIBC__) && defined(__LCLINT__)
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/*@-declundef@*/
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/*@unchecked@*/
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extern __const __int32_t *__ctype_tolower;
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/*@unchecked@*/
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extern __const __int32_t *__ctype_toupper;
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/*@=declundef@*/
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/*@-exportlocal@*/
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extern int isalnum(int) __THROW /*@*/;
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extern int iscntrl(int) __THROW /*@*/;
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extern int isgraph(int) __THROW /*@*/;
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extern int islower(int) __THROW /*@*/;
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extern int ispunct(int) __THROW /*@*/;
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extern int isxdigit(int) __THROW /*@*/;
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extern int isascii(int) __THROW /*@*/;
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extern int toascii(int) __THROW /*@*/;
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extern int _toupper(int) __THROW /*@*/;
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extern int _tolower(int) __THROW /*@*/;
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/*@=exportlocal@*/
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#endif
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#if HAVE_SYS_MMAN_H && !defined(__LCLINT__)
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#include <sys/mman.h>
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#endif
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/* XXX FIXME: popt on sunos4.1.3: <sys/resource.h> requires <sys/time.h> */
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#if HAVE_SYS_RESOURCE_H && HAVE_SYS_TIME_H
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#include <sys/resource.h>
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#endif
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#if HAVE_SYS_UTSNAME_H
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#include <sys/utsname.h>
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#endif
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#if HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#endif
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#if HAVE_GETOPT_H
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/*@-noparams@*/
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#include <getopt.h>
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/*@=noparams@*/
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#endif
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#if HAVE_GRP_H
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#include <grp.h>
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#endif
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#if HAVE_LIMITS_H
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#include <limits.h>
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#endif
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#if HAVE_ERR_H
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#include <err.h>
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#endif
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#if HAVE_MALLOC_H && !defined(__LCLINT__)
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#include <malloc.h>
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#endif
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/*@-declundef -incondefs @*/ /* FIX: these are macros */
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/**
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*/
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/*@mayexit@*/ /*@only@*/ /*@out@*/ void * xmalloc (size_t size)
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/*@globals errno @*/
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/*@ensures MaxSet(result) == (size - 1) @*/
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/*@modifies errno @*/;
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/**
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*/
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/*@mayexit@*/ /*@only@*/ void * xcalloc (size_t nmemb, size_t size)
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/*@ensures MaxSet(result) == (nmemb - 1) @*/
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/*@*/;
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/**
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* @todo Annotate ptr with returned/out.
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*/
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/*@mayexit@*/ /*@only@*/ void * xrealloc (/*@null@*/ /*@only@*/ void * ptr,
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size_t size)
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/*@ensures MaxSet(result) == (size - 1) @*/
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/*@modifies *ptr @*/;
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/**
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*/
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/*@mayexit@*/ /*@only@*/ char * xstrdup (const char *str)
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/*@*/;
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/*@=declundef =incondefs @*/
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/**
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*/
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/*@unused@*/ /*@exits@*/ /*@only@*/ void * vmefail(size_t size)
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/*@*/;
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#if HAVE_MCHECK_H
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#include <mcheck.h>
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#if defined(__LCLINT__)
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/*@-declundef -incondefs @*/ /* LCL: missing annotations */
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#if 0
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enum mcheck_status
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{
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MCHECK_DISABLED = -1, /* Consistency checking is not turned on. */
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MCHECK_OK, /* Block is fine. */
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MCHECK_FREE, /* Block freed twice. */
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MCHECK_HEAD, /* Memory before the block was clobbered. */
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MCHECK_TAIL /* Memory after the block was clobbered. */
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};
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#endif
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extern int mcheck (void (*__abortfunc) (enum mcheck_status))
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/*@globals internalState@*/
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/*@modifies internalState @*/;
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extern int mcheck_pedantic (void (*__abortfunc) (enum mcheck_status))
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/*@globals internalState@*/
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/*@modifies internalState @*/;
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extern void mcheck_check_all (void)
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/*@globals internalState@*/
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/*@modifies internalState @*/;
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extern enum mcheck_status mprobe (void *__ptr)
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/*@globals internalState@*/
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/*@modifies internalState @*/;
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extern void mtrace (void)
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/*@globals internalState@*/
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/*@modifies internalState @*/;
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extern void muntrace (void)
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/*@globals internalState@*/
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/*@modifies internalState @*/;
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/*@=declundef =incondefs @*/
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#endif /* defined(__LCLINT__) */
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/* Memory allocation via macro defs to get meaningful locations from mtrace() */
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#if defined(__GNUC__)
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#define xmalloc(_size) (malloc(_size) ? : vmefail(_size))
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#define xcalloc(_nmemb, _size) (calloc((_nmemb), (_size)) ? : vmefail(_size))
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#define xrealloc(_ptr, _size) (realloc((_ptr), (_size)) ? : vmefail(_size))
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#define xstrdup(_str) (strcpy((malloc(strlen(_str)+1) ? : vmefail(strlen(_str)+1)), (_str)))
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#endif /* defined(__GNUC__) */
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#endif /* HAVE_MCHECK_H */
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/* Retrofit glibc __progname */
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#if defined __GLIBC__ && __GLIBC__ >= 2
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#if __GLIBC_MINOR__ >= 1
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#define __progname __assert_program_name
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#endif
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#define setprogname(pn)
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#else
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#define __progname program_name
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#define setprogname(pn) \
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{ if ((__progname = strrchr(pn, '/')) != NULL) __progname++; \
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else __progname = pn; \
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}
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#endif
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const char *__progname;
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#if HAVE_NETDB_H
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#include <netdb.h>
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#endif
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#if HAVE_PWD_H
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#include <pwd.h>
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#endif
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/* Take care of NLS matters. */
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#if HAVE_LOCALE_H
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# include <locale.h>
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#endif
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#if !HAVE_SETLOCALE
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# define setlocale(Category, Locale) /* empty */
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#endif
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#if ENABLE_NLS && !defined(__LCLINT__)
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# include <libintl.h>
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# define _(Text) gettext (Text)
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#else
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# undef bindtextdomain
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# define bindtextdomain(Domain, Directory) /* empty */
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# undef textdomain
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# define textdomain(Domain) /* empty */
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# define _(Text) Text
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# undef dgettext
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# define dgettext(DomainName, Text) Text
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#endif
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#define N_(Text) Text
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/* ============== from misc/miscfn.h */
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#if !defined(USE_GNU_GLOB)
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#if HAVE_FNMATCH_H
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/*@-noparams@*/
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#include <fnmatch.h>
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/*@=noparams@*/
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#endif
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#if HAVE_GLOB_H
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/*@-noparams@*/
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#include <glob.h>
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/*@=noparams@*/
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#endif
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#else
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/*@-noparams@*/
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#include "misc/glob.h"
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#include "misc/fnmatch.h"
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/*@=noparams@*/
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#endif
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#if defined(__LCLINT__)
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/*@-declundef -incondefs @*/ /* LCL: missing annotation */
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#if 0
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typedef /*@concrete@*/ struct
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{
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size_t gl_pathc;
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char **gl_pathv;
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size_t gl_offs;
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int gl_flags;
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void (*gl_closedir) (void *);
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#ifdef _GNU_SOURCE
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struct dirent *(*gl_readdir) (void *);
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#else
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void *(*gl_readdir) (void *);
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#endif
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ptr_t (*gl_opendir) (const char *);
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#ifdef _GNU_SOURCE
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int (*gl_lstat) (const char *restrict, struct stat *restrict);
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int (*gl_stat) (const char *restrict, struct stat *restrict);
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#else
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int (*gl_lstat) (const char *restrict, void *restrict);
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int (*gl_stat) (const char *restrict, void *restrict);
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#endif
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} glob_t;
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#endif
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#if 0
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/*@-constuse@*/
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/*@constant int GLOB_ERR@*/
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/*@constant int GLOB_MARK@*/
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/*@constant int GLOB_NOSORT@*/
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/*@constant int GLOB_DOOFFS@*/
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/*@constant int GLOB_NOCHECK@*/
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/*@constant int GLOB_APPEND@*/
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/*@constant int GLOB_NOESCAPE@*/
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/*@constant int GLOB_PERIOD@*/
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#ifdef _GNU_SOURCE
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/*@constant int GLOB_MAGCHAR@*/
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/*@constant int GLOB_ALTDIRFUNC@*/
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/*@constant int GLOB_BRACE@*/
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/*@constant int GLOB_NOMAGIC@*/
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/*@constant int GLOB_TILDE@*/
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/*@constant int GLOB_ONLYDIR@*/
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/*@constant int GLOB_TILDE_CHECK@*/
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#endif
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/*@constant int GLOB_FLAGS@*/
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/*@constant int GLOB_NOSPACE@*/
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/*@constant int GLOB_ABORTED@*/
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/*@constant int GLOB_NOMATCH@*/
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/*@constant int GLOB_NOSYS@*/
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#ifdef _GNU_SOURCE
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/*@constant int GLOB_ABEND@*/
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#endif
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/*@=constuse@*/
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#endif
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extern int glob (const char *pattern, int flags,
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int (*errfunc) (const char *, int),
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/*@out@*/ glob_t *pglob)
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/*@globals errno, fileSystem @*/
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/*@modifies *pglob, errno, fileSystem @*/;
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/* XXX only annotation is a white lie */
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extern void globfree (/*@only@*/ glob_t *pglob)
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/*@modifies *pglob @*/;
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#ifdef _GNU_SOURCE
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extern int glob_pattern_p (const char *pattern, int quote)
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/*@*/;
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#endif
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#if 0
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/*@-constuse@*/
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/*@constant int FNM_PATHNAME@*/
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/*@constant int FNM_NOESCAPE@*/
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/*@constant int FNM_PERIOD@*/
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#ifdef _GNU_SOURCE
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/*@constant int FNM_FILE_NAME@*/ /* GNU extension */
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/*@constant int FNM_LEADING_DIR@*/ /* GNU extension */
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/*@constant int FNM_CASEFOLD@*/ /* GNU extension */
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/*@constant int FNM_EXTMATCH@*/ /* GNU extension */
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#endif
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/*@constant int FNM_NOMATCH@*/
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#ifdef _XOPEN_SOURCE
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/*@constant int FNM_NOSYS@*/ /* X/Open */
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#endif
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/*@=constuse@*/
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#endif
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extern int fnmatch (const char *pattern, const char *string, int flags)
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/*@*/;
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/*@=declundef =incondefs @*/
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#endif
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#if ! HAVE_S_IFSOCK
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#define S_IFSOCK (0xc000)
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#endif
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#if ! HAVE_S_ISLNK
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#define S_ISLNK(mode) ((mode & 0xf000) == S_IFLNK)
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#endif
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#if ! HAVE_S_ISSOCK
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#define S_ISSOCK(mode) ((mode & 0xf000) == S_IFSOCK)
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#endif
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#if NEED_STRINGS_H
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#include <strings.h>
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#endif
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#if NEED_MYREALLOC
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#define realloc(ptr,size) myrealloc(ptr,size)
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extern void *myrealloc(void *, size_t);
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#endif
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#if ! HAVE_SETENV
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extern int setenv(const char *name, const char *value, int replace);
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extern void unsetenv(const char *name);
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#endif
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#if HAVE_SYS_SOCKET_H
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#include <sys/types.h>
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#include <sys/socket.h>
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#endif
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#if HAVE_SYS_SELECT_H && !defined(__LCLINT__)
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#include <sys/select.h>
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#endif
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/* Solaris <= 2.6 limits getpass return to only 8 chars */
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#if HAVE_GETPASSPHRASE
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#define getpass getpassphrase
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#endif
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#if ! HAVE_LCHOWN
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#define lchown chown
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#endif
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#if HAVE_GETMNTINFO_R || HAVE_MNTCTL
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# define GETMNTENT_ONE 0
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# define GETMNTENT_TWO 0
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# if HAVE_SYS_MNTCTL_H
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# include <sys/mntctl.h>
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# endif
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# if HAVE_SYS_VMOUNT_H
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# include <sys/vmount.h>
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# endif
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# if HAVE_SYS_MOUNT_H
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# include <sys/mount.h>
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# endif
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#elif HAVE_MNTENT_H || !(HAVE_GETMNTENT) || HAVE_STRUCT_MNTTAB
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# if HAVE_MNTENT_H
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# include <stdio.h>
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# include <mntent.h>
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# define our_mntent struct mntent
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# define our_mntdir mnt_dir
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# elif HAVE_STRUCT_MNTTAB
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# include <stdio.h>
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# include <mnttab.h>
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struct our_mntent {
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char * our_mntdir;
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};
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struct our_mntent *getmntent(FILE *filep);
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# define our_mntent struct our_mntent
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# else
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# include <stdio.h>
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struct our_mntent {
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char * our_mntdir;
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};
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struct our_mntent *getmntent(FILE *filep);
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# define our_mntent struct our_mntent
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# endif
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# define GETMNTENT_ONE 1
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# define GETMNTENT_TWO 0
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#elif HAVE_SYS_MNTTAB_H
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# include <stdio.h>
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# include <sys/mnttab.h>
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# define GETMNTENT_ONE 0
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# define GETMNTENT_TWO 1
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# define our_mntent struct mnttab
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# define our_mntdir mnt_mountp
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#else /* if !HAVE_MNTCTL */
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# error Neither mntent.h, mnttab.h, or mntctl() exists. I cannot build on this system.
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#endif
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#ifndef MOUNTED
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#define MOUNTED "/etc/mnttab"
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#endif
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#endif /* H_SYSTEM */
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