/* Library function for scanning an archive file.

Copyright (C) 1987-2014 Free Software Foundation, Inc.

This file is part of GNU Make.

GNU Make is free software; you can redistribute it and/or modify it under the

terms of the GNU General Public License as published by the Free Software

Foundation; either version 3 of the License, or (at your option) any later

version.

GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY

WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR

A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with

this program. If not, see <http://www.gnu.org/licenses/>. */

#include "makeint.h"

#ifdef TEST

/* Hack, the real error() routine eventually pulls in die from main.c */

#define error(a, b, c, d)

#endif

#ifdef HAVE_FCNTL_H

#include <fcntl.h>

#else

#include <sys/file.h>

#endif

#ifndef NO_ARCHIVES

#ifdef VMS

#include <lbrdef.h>

#include <mhddef.h>

#include <credef.h>

#include <descrip.h>

#include <ctype.h>

#include <ssdef.h>

#include <stsdef.h>

#include <rmsdef.h>

globalvalue unsigned int LBR$_HDRTRUNC;

#if __DECC

#include <unixlib.h>

#include <lbr$routines.h>

#endif

const char *

vmsify (const char *name, int type);

/* Time conversion from VMS to Unix

Conversion from local time (stored in library) to GMT (needed for gmake)

Note: The tm_gmtoff element is a VMS extension to the ANSI standard. */

static time_t

vms_time_to_unix(void *vms_time)

{

struct tm *tmp;

time_t unix_time;

unix_time = decc$fix_time(vms_time);

tmp = localtime(&unix_time);

unix_time -= tmp->tm_gmtoff;

return unix_time;

}

/* VMS library routines need static variables for callback */

static void *VMS_lib_idx;

static const void *VMS_saved_arg;

static long int (*VMS_function) ();

static long int VMS_function_ret;

/* This is a callback procedure for lib$get_index */

static int

VMS_get_member_info(struct dsc$descriptor_s *module, unsigned long *rfa)

{

int status, i;

const int truncated = 0; /* Member name may be truncated */

time_t member_date; /* Member date */

char *filename;

unsigned int buffer_length; /* Actual buffer length */

/* Unused constants - Make does not actually use most of these */

const int file_desc = -1; /* archive file descriptor for reading the data */

const int header_position = 0; /* Header position */

const int data_position = 0; /* Data position in file */

const int data_size = 0; /* Data size */

const int uid = 0; /* member gid */

const int gid = 0; /* member gid */

const int mode = 0; /* member protection mode */

/* End of unused constants */

static struct dsc$descriptor_s bufdesc =

{ 0, DSC$K_DTYPE_T, DSC$K_CLASS_S, NULL };

/* Only need the module definition */

struct mhddef *mhd;

/* If a previous callback is non-zero, just return that status */

if (VMS_function_ret)

{

return SS$_NORMAL;

}

/* lbr_set_module returns more than just the module header. So allocate

a buffer which is big enough: the maximum LBR$C_MAXHDRSIZ. That's at

least bigger than the size of struct mhddef.

If the request is too small, a buffer truncated warning is issued so

it can be reissued with a larger buffer.

We do not care if the buffer is truncated, so that is still a success. */

mhd = xmalloc(LBR$C_MAXHDRSIZ);

bufdesc.dsc$a_pointer = (char *) mhd;

bufdesc.dsc$w_length = LBR$C_MAXHDRSIZ;

status = lbr$set_module(&VMS_lib_idx, rfa, &bufdesc, &buffer_length, 0);

if ((status != LBR$_HDRTRUNC) && !$VMS_STATUS_SUCCESS(status))

{

ON(error, NILF,

_("lbr$set_module() failed to extract module info, status = %d"),

status);

lbr$close(&VMS_lib_idx);

return status;

}

#ifdef TEST

/* When testing this code, it is useful to know the length returned */

printf("Input length = %d, actual = %d\n",

bufdesc.dsc$w_length, buffer_length);

#endif

/* Conversion from VMS time to C time.

VMS defectlet - mhddef is sub-optimal, for the time, it has a 32 bit

longword, mhd$l_datim, and a 32 bit fill instead of two longwords, or

equivalent. */

member_date = vms_time_to_unix(&mhd->mhd$l_datim);

free(mhd);

/* Here we have a problem. The module name on VMS does not have

a file type, but the filename pattern in the "VMS_saved_arg"

may have one.

But only the method being called knows how to interpret the

filename pattern.

There are currently two different formats being used.

This means that we need a VMS specific code in those methods

to handle it. */

filename = xmalloc(module->dsc$w_length + 1);

/* TODO: We may need an option to preserve the case of the module

For now force the module name to lower case */

for (i = 0; i < module->dsc$w_length; i++)

filename[i] = _tolower((unsigned char )module->dsc$a_pointer[i]);

filename[i] = '\0';

VMS_function_ret = (*VMS_function)(file_desc, filename, truncated,

header_position, data_position, data_size, member_date, uid, gid, mode,

VMS_saved_arg);

free(filename);

return SS$_NORMAL;

}

/* Takes three arguments ARCHIVE, FUNCTION and ARG.

Open the archive named ARCHIVE, find its members one by one,

and for each one call FUNCTION with the following arguments:

archive file descriptor for reading the data,

member name,

member name might be truncated flag,

member header position in file,

member data position in file,

member data size,

member date,

member uid,

member gid,

member protection mode,

ARG.

NOTE: on VMS systems, only name, date, and arg are meaningful!

The descriptor is poised to read the data of the member

when FUNCTION is called. It does not matter how much

data FUNCTION reads.

If FUNCTION returns nonzero, we immediately return

what FUNCTION returned.

Returns -1 if archive does not exist,

Returns -2 if archive has invalid format.

Returns 0 if have scanned successfully. */

long int

ar_scan (const char *archive, ar_member_func_t function, const void *varg)

{

char *vms_archive;

static struct dsc$descriptor_s libdesc =

{ 0, DSC$K_DTYPE_T, DSC$K_CLASS_S, NULL };

const unsigned long func = LBR$C_READ;

const unsigned long type = LBR$C_TYP_UNK;

const unsigned long index = 1;

unsigned long lib_idx;

int status;

VMS_saved_arg = varg;

/* Null archive string can show up in test and cause an access violation */

if (archive == NULL)

{

/* Null filenames do not exist */

return -1;

}

/* archive path name must be in VMS format */

vms_archive = (char *) vmsify(archive, 0);

status = lbr$ini_control(&VMS_lib_idx, &func, &type, 0);

if (!$VMS_STATUS_SUCCESS(status))

{

ON(error, NILF, _("lbr$ini_control() failed with status = %d"), status);

return -2;

}

libdesc.dsc$a_pointer = vms_archive;

libdesc.dsc$w_length = strlen(vms_archive);

status = lbr$open(&VMS_lib_idx, &libdesc, 0, NULL, 0, NULL, 0);

if (!$VMS_STATUS_SUCCESS(status))

{

/* TODO: A library format failure could mean that this is a file

generated by the GNU AR utility and in that case, we need to

take the UNIX codepath. This will also take a change to the

GNV AR wrapper program. */

switch (status)

{

case RMS$_FNF:

/* Archive does not exist */

return -1;

default:

#ifndef TEST

OSN(error, NILF,

_("unable to open library '%s' to lookup member status %d"),

archive, status);

#endif

/* For library format errors, specification says to return -2 */

return -2;

}

}

VMS_function = function;

/* Clear the return status, as we are supposed to stop calling the

callback function if it becomes non-zero, and this is a static

variable. */

VMS_function_ret = 0;

status = lbr$get_index(&VMS_lib_idx, &index, VMS_get_member_info, NULL, 0);

lbr$close(&VMS_lib_idx);

/* Unless a failure occurred in the lbr$ routines, return the

the status from the 'function' routine. */

if ($VMS_STATUS_SUCCESS(status))

{

return VMS_function_ret;

}

/* This must be something wrong with the library and an error

message should already have been printed. */

return -2;

}

#else /* !VMS */

/* SCO Unix's compiler defines both of these. */

#ifdef M_UNIX

#undef M_XENIX

#endif

/* On the sun386i and in System V rel 3, ar.h defines two different archive

formats depending upon whether you have defined PORTAR (normal) or PORT5AR

(System V Release 1). There is no default, one or the other must be defined

to have a nonzero value. */

#if (!defined (PORTAR) || PORTAR == 0) && (!defined (PORT5AR) || PORT5AR == 0)

#undef PORTAR

#ifdef M_XENIX

/* According to Jim Sievert <jas1@rsvl.unisys.com>, for SCO XENIX defining

PORTAR to 1 gets the wrong archive format, and defining it to 0 gets the

right one. */

#define PORTAR 0

#else

#define PORTAR 1

#endif

#endif

/* On AIX, define these symbols to be sure to get both archive formats.

AIX 4.3 introduced the "big" archive format to support 64-bit object

files, so on AIX 4.3 systems we need to support both the "normal" and

"big" archive formats. An archive's format is indicated in the

"fl_magic" field of the "FL_HDR" structure. For a normal archive,

this field will be the string defined by the AIAMAG symbol. For a

"big" archive, it will be the string defined by the AIAMAGBIG symbol

(at least on AIX it works this way).

Note: we'll define these symbols regardless of which AIX version

we're compiling on, but this is okay since we'll use the new symbols

only if they're present. */

#ifdef _AIX

# define __AR_SMALL__

# define __AR_BIG__

#endif

#ifndef WINDOWS32

# if !defined (__ANDROID__) && !defined (__BEOS__)

# include <ar.h>

# else

/* These platforms don't have <ar.h> but have archives in the same format

* as many other Unices. This was taken from GNU binutils for BeOS.

*/

# define ARMAG "!<arch>\n" /* String that begins an archive file. */

# define SARMAG 8 /* Size of that string. */

# define ARFMAG "`\n" /* String in ar_fmag at end of each header. */

struct ar_hdr

};

# endif

# define TOCHAR(_m) (_m)

#else

/* These should allow us to read Windows (VC++) libraries (according to Frank

* Libbrecht <frankl@abzx.belgium.hp.com>)

*/

# include <windows.h>

# include <windef.h>

# include <io.h>

# define ARMAG IMAGE_ARCHIVE_START

# define SARMAG IMAGE_ARCHIVE_START_SIZE

# define ar_hdr _IMAGE_ARCHIVE_MEMBER_HEADER

# define ar_name Name

# define ar_mode Mode

# define ar_size Size

# define ar_date Date

# define ar_uid UserID

# define ar_gid GroupID

/* In Windows the member names have type BYTE so we must cast them. */

# define TOCHAR(_m) ((char *)(_m))

#endif

/* Cray's <ar.h> apparently defines this. */

#ifndef AR_HDR_SIZE

# define AR_HDR_SIZE (sizeof (struct ar_hdr))

#endif



/* Takes three arguments ARCHIVE, FUNCTION and ARG.

Open the archive named ARCHIVE, find its members one by one,

and for each one call FUNCTION with the following arguments:

archive file descriptor for reading the data,

member name,

member name might be truncated flag,

member header position in file,

member data position in file,

member data size,

member date,

member uid,

member gid,

member protection mode,

ARG.

The descriptor is poised to read the data of the member

when FUNCTION is called. It does not matter how much

data FUNCTION reads.

If FUNCTION returns nonzero, we immediately return

what FUNCTION returned.

Returns -1 if archive does not exist,

Returns -2 if archive has invalid format.

Returns 0 if have scanned successfully. */

long int

ar_scan (const char *archive, ar_member_func_t function, const void *arg)

{

#ifdef AIAMAG

FL_HDR fl_header;

# ifdef AIAMAGBIG

int big_archive = 0;

FL_HDR_BIG fl_header_big;

# endif

#endif

char *namemap = 0;

int desc = open (archive, O_RDONLY, 0);

if (desc < 0)

return -1;

#ifdef SARMAG

{

char buf[SARMAG];

register int nread = read (desc, buf, SARMAG);

if (nread != SARMAG || memcmp (buf, ARMAG, SARMAG))

{

(void) close (desc);

return -2;

}

}

#else

#ifdef AIAMAG

{

register int nread = read (desc, &fl_header, FL_HSZ);

if (nread != FL_HSZ)

{

(void) close (desc);

return -2;

}

#ifdef AIAMAGBIG

/* If this is a "big" archive, then set the flag and

re-read the header into the "big" structure. */

if (!memcmp (fl_header.fl_magic, AIAMAGBIG, SAIAMAG))

{

big_archive = 1;

/* seek back to beginning of archive */

if (lseek (desc, 0, 0) < 0)

{

(void) close (desc);

return -2;

}

/* re-read the header into the "big" structure */

nread = read (desc, &fl_header_big, FL_HSZ_BIG);

if (nread != FL_HSZ_BIG)

{

(void) close (desc);

return -2;

}

}

else

#endif

/* Check to make sure this is a "normal" archive. */

if (memcmp (fl_header.fl_magic, AIAMAG, SAIAMAG))

{

(void) close (desc);

return -2;

}

}

#else

{

#ifndef M_XENIX

int buf;

#else

unsigned short int buf;

#endif

register int nread = read (desc, &buf, sizeof (buf));

if (nread != sizeof (buf) || buf != ARMAG)

{

(void) close (desc);

return -2;

}

}

#endif

#endif

/* Now find the members one by one. */

{

#ifdef SARMAG

register long int member_offset = SARMAG;

#else

#ifdef AIAMAG

long int member_offset;

long int last_member_offset;

#ifdef AIAMAGBIG

if ( big_archive )

{

sscanf (fl_header_big.fl_fstmoff, "%20ld", &member_offset);

sscanf (fl_header_big.fl_lstmoff, "%20ld", &last_member_offset);

}

else

#endif

{

sscanf (fl_header.fl_fstmoff, "%12ld", &member_offset);

sscanf (fl_header.fl_lstmoff, "%12ld", &last_member_offset);

}

if (member_offset == 0)

{

/* Empty archive. */

close (desc);

return 0;

}

#else

#ifndef M_XENIX

register long int member_offset = sizeof (int);

#else /* Xenix. */

register long int member_offset = sizeof (unsigned short int);

#endif /* Not Xenix. */

#endif

#endif

while (1)

{

register int nread;

struct ar_hdr member_header;

#ifdef AIAMAGBIG

struct ar_hdr_big member_header_big;

#endif

#ifdef AIAMAG

char name[256];

int name_len;

long int dateval;

int uidval, gidval;

long int data_offset;

#else

char namebuf[sizeof member_header.ar_name + 1];

char *name;

int is_namemap; /* Nonzero if this entry maps long names. */

int long_name = 0;

#endif

long int eltsize;

int eltmode;

long int fnval;

if (lseek (desc, member_offset, 0) < 0)

{

(void) close (desc);

return -2;

}

#ifdef AIAMAG

#define AR_MEMHDR_SZ(x) (sizeof(x) - sizeof (x._ar_name))

#ifdef AIAMAGBIG

if (big_archive)

{

nread = read (desc, &member_header_big,

AR_MEMHDR_SZ(member_header_big) );

if (nread != AR_MEMHDR_SZ(member_header_big))

{

(void) close (desc);

return -2;

}

sscanf (member_header_big.ar_namlen, "%4d", &name_len);

nread = read (desc, name, name_len);

if (nread != name_len)

{

(void) close (desc);

return -2;

}

name[name_len] = 0;

sscanf (member_header_big.ar_date, "%12ld", &dateval);

sscanf (member_header_big.ar_uid, "%12d", &uidval);

sscanf (member_header_big.ar_gid, "%12d", &gidval);

sscanf (member_header_big.ar_mode, "%12o", &eltmode);

sscanf (member_header_big.ar_size, "%20ld", &eltsize);

data_offset = (member_offset + AR_MEMHDR_SZ(member_header_big)

+ name_len + 2);

}

else

#endif

{

nread = read (desc, &member_header,

AR_MEMHDR_SZ(member_header) );

if (nread != AR_MEMHDR_SZ(member_header))

{

(void) close (desc);

return -2;

}

sscanf (member_header.ar_namlen, "%4d", &name_len);

nread = read (desc, name, name_len);

if (nread != name_len)

{

(void) close (desc);

return -2;

}

name[name_len] = 0;

sscanf (member_header.ar_date, "%12ld", &dateval);

sscanf (member_header.ar_uid, "%12d", &uidval);

sscanf (member_header.ar_gid, "%12d", &gidval);

sscanf (member_header.ar_mode, "%12o", &eltmode);

sscanf (member_header.ar_size, "%12ld", &eltsize);

data_offset = (member_offset + AR_MEMHDR_SZ(member_header)

+ name_len + 2);

}

data_offset += data_offset % 2;

fnval =

(*function) (desc, name, 0,

member_offset, data_offset, eltsize,

dateval, uidval, gidval,

eltmode, arg);

#else /* Not AIAMAG. */

nread = read (desc, &member_header, AR_HDR_SIZE);

if (nread == 0)

/* No data left means end of file; that is OK. */

break;

if (nread != AR_HDR_SIZE

#if defined(ARFMAG) || defined(ARFZMAG)

|| (

# ifdef ARFMAG

memcmp (member_header.ar_fmag, ARFMAG, 2)

# else

1

# endif

&&

# ifdef ARFZMAG

memcmp (member_header.ar_fmag, ARFZMAG, 2)

# else

1

# endif

)

#endif

)

{

(void) close (desc);

return -2;

}

name = namebuf;

memcpy (name, member_header.ar_name, sizeof member_header.ar_name);

{

register char *p = name + sizeof member_header.ar_name;

do

*p = '\0';

while (p > name && *--p == ' ');

#ifndef AIAMAG

/* If the member name is "//" or "ARFILENAMES/" this may be

a list of file name mappings. The maximum file name

length supported by the standard archive format is 14

characters. This member will actually always be the

first or second entry in the archive, but we don't check

that. */

is_namemap = (!strcmp (name, "//")

|| !strcmp (name, "ARFILENAMES/"));

#endif /* Not AIAMAG. */

/* On some systems, there is a slash after each member name. */

if (*p == '/')

*p = '\0';

#ifndef AIAMAG

/* If the member name starts with a space or a slash, this

is an index into the file name mappings (used by GNU ar).

Otherwise if the member name looks like #1/NUMBER the

real member name appears in the element data (used by

4.4BSD). */

if (! is_namemap

&& (name[0] == ' ' || name[0] == '/')

&& namemap != 0)

{

name = namemap + atoi (name + 1);

long_name = 1;

}

else if (name[0] == '#'

&& name[1] == '1'

&& name[2] == '/')

{

int namesize = atoi (name + 3);

name = alloca (namesize + 1);

nread = read (desc, name, namesize);

if (nread != namesize)

{

close (desc);

return -2;

}

name[namesize] = '\0';

long_name = 1;

}

#endif /* Not AIAMAG. */

}

#ifndef M_XENIX

sscanf (TOCHAR (member_header.ar_mode), "%o", &eltmode);

eltsize = atol (TOCHAR (member_header.ar_size));

#else /* Xenix. */

eltmode = (unsigned short int) member_header.ar_mode;

eltsize = member_header.ar_size;

#endif /* Not Xenix. */

fnval =

(*function) (desc, name, ! long_name, member_offset,

member_offset + AR_HDR_SIZE, eltsize,

#ifndef M_XENIX

atol (TOCHAR (member_header.ar_date)),

atoi (TOCHAR (member_header.ar_uid)),

atoi (TOCHAR (member_header.ar_gid)),

#else /* Xenix. */

member_header.ar_date,

member_header.ar_uid,

member_header.ar_gid,

#endif /* Not Xenix. */

eltmode, arg);

#endif /* AIAMAG. */

if (fnval)

{

(void) close (desc);

return fnval;

}

#ifdef AIAMAG

if (member_offset == last_member_offset)

/* End of the chain. */

break;

#ifdef AIAMAGBIG

if (big_archive)

sscanf (member_header_big.ar_nxtmem, "%20ld", &member_offset);

else

#endif

sscanf (member_header.ar_nxtmem, "%12ld", &member_offset);

if (lseek (desc, member_offset, 0) != member_offset)

{

(void) close (desc);

return -2;

}

#else

/* If this member maps archive names, we must read it in. The

name map will always precede any members whose names must

be mapped. */

if (is_namemap)

{

char *clear;

char *limit;

namemap = alloca (eltsize);

nread = read (desc, namemap, eltsize);

if (nread != eltsize)

{

(void) close (desc);

return -2;

}

/* The names are separated by newlines. Some formats have

a trailing slash. Null terminate the strings for

convenience. */

limit = namemap + eltsize;

for (clear = namemap; clear < limit; clear++)

{

if (*clear == '\n')

{

*clear = '\0';

if (clear[-1] == '/')

clear[-1] = '\0';

}

}

is_namemap = 0;

}

member_offset += AR_HDR_SIZE + eltsize;

if (member_offset % 2 != 0)

member_offset++;

#endif

}

}

close (desc);

return 0;

}

#endif /* !VMS */



/* Return nonzero iff NAME matches MEM.

If TRUNCATED is nonzero, MEM may be truncated to

sizeof (struct ar_hdr.ar_name) - 1. */

int

ar_name_equal (const char *name, const char *mem, int truncated)

{

const char *p;

p = strrchr (name, '/');

if (p != 0)

name = p + 1;

#ifndef VMS

if (truncated)

{

#ifdef AIAMAG

/* TRUNCATED should never be set on this system. */

abort ();

#else

struct ar_hdr hdr;

#if !defined (__hpux) && !defined (cray)

return strneq (name, mem, sizeof (hdr.ar_name) - 1);

#else

return strneq (name, mem, sizeof (hdr.ar_name) - 2);

#endif /* !__hpux && !cray */

#endif /* !AIAMAG */

}

return !strcmp (name, mem);

#else

/* VMS members do not have suffixes, but the filenames usually

have.

Do we need to strip VMS disk/directory format paths?

Most VMS compilers etc. by default are case insensitive

but produce uppercase external names, incl. module names.

However the VMS librarian (ar) and the linker by default

are case sensitive: they take what they get, usually

uppercase names. So for the non-default settings of the

compilers etc. there is a need to have a case sensitive

mode. */

{

int len;

len = strlen(mem);

int match;

char *dot;

if ((dot=strrchr(name,'.')))

match = (len == dot - name) && !strncasecmp(name, mem, len);

else

match = !strcasecmp (name, mem);

return match;

}

#endif /* !VMS */

}



#ifndef VMS

/* ARGSUSED */

static long int

ar_member_pos (int desc UNUSED, const char *mem, int truncated,

long int hdrpos, long int datapos UNUSED, long int size UNUSED,

long int date UNUSED, int uid UNUSED, int gid UNUSED,

int mode UNUSED, const void *name)

{

if (!ar_name_equal (name, mem, truncated))

return 0;

return hdrpos;

}

/* Set date of member MEMNAME in archive ARNAME to current time.

Returns 0 if successful,

-1 if file ARNAME does not exist,

-2 if not a valid archive,

-3 if other random system call error (including file read-only),

1 if valid but member MEMNAME does not exist. */

int

ar_member_touch (const char *arname, const char *memname)

{

long int pos = ar_scan (arname, ar_member_pos, memname);

int fd;

struct ar_hdr ar_hdr;

int i;

unsigned int ui;

struct stat statbuf;

if (pos < 0)

return (int) pos;

if (!pos)

return 1;

fd = open (arname, O_RDWR, 0666);

if (fd < 0)

return -3;

/* Read in this member's header */

if (lseek (fd, pos, 0) < 0)

goto lose;

if (AR_HDR_SIZE != read (fd, &ar_hdr, AR_HDR_SIZE))

goto lose;

/* Write back the header, thus touching the archive file. */

if (lseek (fd, pos, 0) < 0)

goto lose;

if (AR_HDR_SIZE != write (fd, &ar_hdr, AR_HDR_SIZE))

goto lose;

/* The file's mtime is the time we we want. */

EINTRLOOP (i, fstat (fd, &statbuf));

if (i < 0)

goto lose;

#if defined(ARFMAG) || defined(ARFZMAG) || defined(AIAMAG) || defined(WINDOWS32)

/* Advance member's time to that time */

for (ui = 0; ui < sizeof ar_hdr.ar_date; ui++)

ar_hdr.ar_date[ui] = ' ';

sprintf (TOCHAR (ar_hdr.ar_date), "%ld", (long int) statbuf.st_mtime);

#ifdef AIAMAG

ar_hdr.ar_date[strlen (ar_hdr.ar_date)] = ' ';

#endif

#else

ar_hdr.ar_date = statbuf.st_mtime;

#endif

/* Write back this member's header */

if (lseek (fd, pos, 0) < 0)

goto lose;

if (AR_HDR_SIZE != write (fd, &ar_hdr, AR_HDR_SIZE))

goto lose;

close (fd);

return 0;

lose:

i = errno;

close (fd);

errno = i;

return -3;

}

#endif



#ifdef TEST

long int

describe_member (int desc, const char *name, int truncated,

long int hdrpos, long int datapos, long int size,

long int date, int uid, int gid, int mode, const void *arg)

{

extern char *ctime ();

printf (_("Member '%s'%s: %ld bytes at %ld (%ld).\n"),

name, truncated ? _(" (name might be truncated)") : "",

size, hdrpos, datapos);

printf (_(" Date %s"), ctime (&date));

printf (_(" uid = %d, gid = %d, mode = 0%o.\n"), uid, gid, mode);

return 0;

}

int

main (int argc, char **argv)

{

ar_scan (argv[1], describe_member, NULL);

return 0;

}

#endif /* TEST. */

#endif /* NO_ARCHIVES. */