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ar.c
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/* ar.c - Archive modify and extract.
Copyright (C) 1991-2014 Free Software Foundation, Inc.
This file is part of GNU Binutils.
This program 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.
This program 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, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
/*
Bugs: GNU ar used to check file against filesystem in quick_update and
replace operations (would check mtime). Doesn't warn when name truncated.
No way to specify pos_end. Error messages should be more consistent. */
#include "sysdep.h"
#include "bfd.h"
#include "libiberty.h"
#include "progress.h"
#include "getopt.h"
#include "aout/ar.h"
#include "libbfd.h"
#include "bucomm.h"
#include "arsup.h"
#include "filenames.h"
#include "binemul.h"
#include "plugin.h"
#ifdef __GO32___
#define EXT_NAME_LEN 3 /* Bufflen of addition to name if it's MS-DOS. */
#else
#define EXT_NAME_LEN 6 /* Ditto for *NIX. */
#endif
/* Static declarations. */
static void mri_emul (void);
static const char *normalize (const char *, bfd *);
static void remove_output (void);
static void map_over_members (bfd *, void (*)(bfd *), char **, int);
static void print_contents (bfd * member);
static void delete_members (bfd *, char **files_to_delete);
static void move_members (bfd *, char **files_to_move);
static void replace_members
(bfd *, char **files_to_replace, bfd_boolean quick);
static void print_descr (bfd * abfd);
static void write_archive (bfd *);
static int ranlib_only (const char *archname);
static int ranlib_touch (const char *archname);
static void usage (int);
/** Globals and flags. */
static int mri_mode;
/* This flag distinguishes between ar and ranlib:
1 means this is 'ranlib'; 0 means this is 'ar'.
-1 means if we should use argv[0] to decide. */
extern int is_ranlib;
/* Nonzero means don't warn about creating the archive file if necessary. */
int silent_create = 0;
/* Nonzero means describe each action performed. */
int verbose = 0;
/* Nonzero means preserve dates of members when extracting them. */
int preserve_dates = 0;
/* Nonzero means don't replace existing members whose dates are more recent
than the corresponding files. */
int newer_only = 0;
/* Controls the writing of an archive symbol table (in BSD: a __.SYMDEF
member). -1 means we've been explicitly asked to not write a symbol table;
+1 means we've been explicitly asked to write it;
0 is the default.
Traditionally, the default in BSD has been to not write the table.
However, for POSIX.2 compliance the default is now to write a symbol table
if any of the members are object files. */
int write_armap = 0;
/* Operate in deterministic mode: write zero for timestamps, uids,
and gids for archive members and the archive symbol table, and write
consistent file modes. */
int deterministic = -1; /* Determinism indeterminate. */
/* Nonzero means it's the name of an existing member; position new or moved
files with respect to this one. */
char *posname = NULL;
/* Sez how to use `posname': pos_before means position before that member.
pos_after means position after that member. pos_end means always at end.
pos_default means default appropriately. For the latter two, `posname'
should also be zero. */
enum pos
{
pos_default, pos_before, pos_after, pos_end
} postype = pos_default;
enum operations
{
none = 0, del, replace, print_table,
print_files, extract, move, quick_append
} operation = none;
static bfd **
get_pos_bfd (bfd **, enum pos, const char *);
/* For extract/delete only. If COUNTED_NAME_MODE is TRUE, we only
extract the COUNTED_NAME_COUNTER instance of that name. */
static bfd_boolean counted_name_mode = 0;
static int counted_name_counter = 0;
/* Whether to truncate names of files stored in the archive. */
static bfd_boolean ar_truncate = FALSE;
/* Whether to use a full file name match when searching an archive.
This is convenient for archives created by the Microsoft lib
program. */
static bfd_boolean full_pathname = FALSE;
/* Whether to create a "thin" archive (symbol index only -- no files). */
static bfd_boolean make_thin_archive = FALSE;
static int show_version = 0;
static int show_help = 0;
static const char *plugin_target = NULL;
static const char *target = NULL;
#define OPTION_PLUGIN 201
#define OPTION_TARGET 202
static struct option long_options[] =
{
{"help", no_argument, &show_help, 1},
{"plugin", required_argument, NULL, OPTION_PLUGIN},
{"target", required_argument, NULL, OPTION_TARGET},
{"version", no_argument, &show_version, 1},
{NULL, no_argument, NULL, 0}
};
int interactive = 0;
static void
mri_emul (void)
{
interactive = isatty (fileno (stdin));
yyparse ();
}
/* If COUNT is 0, then FUNCTION is called once on each entry. If nonzero,
COUNT is the length of the FILES chain; FUNCTION is called on each entry
whose name matches one in FILES. */
static void
map_over_members (bfd *arch, void (*function)(bfd *), char **files, int count)
{
bfd *head;
int match_count;
if (count == 0)
{
for (head = arch->archive_next; head; head = head->archive_next)
{
PROGRESS (1);
function (head);
}
return;
}
/* This may appear to be a baroque way of accomplishing what we want.
However we have to iterate over the filenames in order to notice where
a filename is requested but does not exist in the archive. Ditto
mapping over each file each time -- we want to hack multiple
references. */
for (head = arch->archive_next; head; head = head->archive_next)
head->archive_pass = 0;
for (; count > 0; files++, count--)
{
bfd_boolean found = FALSE;
match_count = 0;
for (head = arch->archive_next; head; head = head->archive_next)
{
const char * filename;
PROGRESS (1);
/* PR binutils/15796: Once an archive element has been matched
do not match it again. If the user provides multiple same-named
parameters on the command line their intent is to match multiple
same-named entries in the archive, not the same entry multiple
times. */
if (head->archive_pass)
continue;
filename = head->filename;
if (filename == NULL)
{
/* Some archive formats don't get the filenames filled in
until the elements are opened. */
struct stat buf;
bfd_stat_arch_elt (head, &buf);
}
else if (bfd_is_thin_archive (arch))
{
/* Thin archives store full pathnames. Need to normalize. */
filename = normalize (filename, arch);
}
if (filename != NULL
&& !FILENAME_CMP (normalize (*files, arch), filename))
{
++match_count;
if (counted_name_mode
&& match_count != counted_name_counter)
{
/* Counting, and didn't match on count; go on to the
next one. */
continue;
}
found = TRUE;
function (head);
head->archive_pass = 1;
/* PR binutils/15796: Once a file has been matched, do not
match any more same-named files in the archive. If the
user does want to match multiple same-name files in an
archive they should provide multiple same-name parameters
to the ar command. */
break;
}
}
if (!found)
/* xgettext:c-format */
fprintf (stderr, _("no entry %s in archive\n"), *files);
}
}
bfd_boolean operation_alters_arch = FALSE;
static void
usage (int help)
{
FILE *s;
#if BFD_SUPPORTS_PLUGINS
/* xgettext:c-format */
const char *command_line
= _("Usage: %s [emulation options] [-]{dmpqrstx}[abcDfilMNoPsSTuvV]"
" [--plugin <name>] [member-name] [count] archive-file file...\n");
#else
/* xgettext:c-format */
const char *command_line
= _("Usage: %s [emulation options] [-]{dmpqrstx}[abcDfilMNoPsSTuvV]"
" [member-name] [count] archive-file file...\n");
#endif
s = help ? stdout : stderr;
fprintf (s, command_line, program_name);
/* xgettext:c-format */
fprintf (s, _(" %s -M [<mri-script]\n"), program_name);
fprintf (s, _(" commands:\n"));
fprintf (s, _(" d - delete file(s) from the archive\n"));
fprintf (s, _(" m[ab] - move file(s) in the archive\n"));
fprintf (s, _(" p - print file(s) found in the archive\n"));
fprintf (s, _(" q[f] - quick append file(s) to the archive\n"));
fprintf (s, _(" r[ab][f][u] - replace existing or insert new file(s) into the archive\n"));
fprintf (s, _(" s - act as ranlib\n"));
fprintf (s, _(" t - display contents of archive\n"));
fprintf (s, _(" x[o] - extract file(s) from the archive\n"));
fprintf (s, _(" command specific modifiers:\n"));
fprintf (s, _(" [a] - put file(s) after [member-name]\n"));
fprintf (s, _(" [b] - put file(s) before [member-name] (same as [i])\n"));
if (DEFAULT_AR_DETERMINISTIC)
{
fprintf (s, _("\
[D] - use zero for timestamps and uids/gids (default)\n"));
fprintf (s, _("\
[U] - use actual timestamps and uids/gids\n"));
}
else
{
fprintf (s, _("\
[D] - use zero for timestamps and uids/gids\n"));
fprintf (s, _("\
[U] - use actual timestamps and uids/gids (default)\n"));
}
fprintf (s, _(" [N] - use instance [count] of name\n"));
fprintf (s, _(" [f] - truncate inserted file names\n"));
fprintf (s, _(" [P] - use full path names when matching\n"));
fprintf (s, _(" [o] - preserve original dates\n"));
fprintf (s, _(" [u] - only replace files that are newer than current archive contents\n"));
fprintf (s, _(" generic modifiers:\n"));
fprintf (s, _(" [c] - do not warn if the library had to be created\n"));
fprintf (s, _(" [s] - create an archive index (cf. ranlib)\n"));
fprintf (s, _(" [S] - do not build a symbol table\n"));
fprintf (s, _(" [T] - make a thin archive\n"));
fprintf (s, _(" [v] - be verbose\n"));
fprintf (s, _(" [V] - display the version number\n"));
fprintf (s, _(" @<file> - read options from <file>\n"));
fprintf (s, _(" --target=BFDNAME - specify the target object format as BFDNAME\n"));
#if BFD_SUPPORTS_PLUGINS
fprintf (s, _(" optional:\n"));
fprintf (s, _(" --plugin <p> - load the specified plugin\n"));
#endif
ar_emul_usage (s);
list_supported_targets (program_name, s);
if (REPORT_BUGS_TO[0] && help)
fprintf (s, _("Report bugs to %s\n"), REPORT_BUGS_TO);
xexit (help ? 0 : 1);
}
static void
ranlib_usage (int help)
{
FILE *s;
s = help ? stdout : stderr;
/* xgettext:c-format */
fprintf (s, _("Usage: %s [options] archive\n"), program_name);
fprintf (s, _(" Generate an index to speed access to archives\n"));
fprintf (s, _(" The options are:\n\
@<file> Read options from <file>\n"));
#if BFD_SUPPORTS_PLUGINS
fprintf (s, _("\
--plugin <name> Load the specified plugin\n"));
#endif
if (DEFAULT_AR_DETERMINISTIC)
fprintf (s, _("\
-D Use zero for symbol map timestamp (default)\n\
-U Use an actual symbol map timestamp\n"));
else
fprintf (s, _("\
-D Use zero for symbol map timestamp\n\
-U Use actual symbol map timestamp (default)\n"));
fprintf (s, _("\
-t Update the archive's symbol map timestamp\n\
-h --help Print this help message\n\
-v --version Print version information\n"));
list_supported_targets (program_name, s);
if (REPORT_BUGS_TO[0] && help)
fprintf (s, _("Report bugs to %s\n"), REPORT_BUGS_TO);
xexit (help ? 0 : 1);
}
/* Normalize a file name specified on the command line into a file
name which we will use in an archive. */
static const char *
normalize (const char *file, bfd *abfd)
{
const char *filename;
if (full_pathname)
return file;
filename = lbasename (file);
if (ar_truncate
&& abfd != NULL
&& strlen (filename) > abfd->xvec->ar_max_namelen)
{
char *s;
/* Space leak. */
s = (char *) xmalloc (abfd->xvec->ar_max_namelen + 1);
memcpy (s, filename, abfd->xvec->ar_max_namelen);
s[abfd->xvec->ar_max_namelen] = '\0';
filename = s;
}
return filename;
}
/* Remove any output file. This is only called via xatexit. */
static const char *output_filename = NULL;
static FILE *output_file = NULL;
static bfd *output_bfd = NULL;
static void
remove_output (void)
{
if (output_filename != NULL)
{
if (output_bfd != NULL)
bfd_cache_close (output_bfd);
if (output_file != NULL)
fclose (output_file);
unlink_if_ordinary (output_filename);
}
}
static char **
decode_options (int argc, char **argv)
{
int c;
/* Convert old-style tar call by exploding option element and rearranging
options accordingly. */
if (argc > 1 && argv[1][0] != '-')
{
int new_argc; /* argc value for rearranged arguments */
char **new_argv; /* argv value for rearranged arguments */
char *const *in; /* cursor into original argv */
char **out; /* cursor into rearranged argv */
const char *letter; /* cursor into old option letters */
char buffer[3]; /* constructed option buffer */
/* Initialize a constructed option. */
buffer[0] = '-';
buffer[2] = '\0';
/* Allocate a new argument array, and copy program name in it. */
new_argc = argc - 1 + strlen (argv[1]);
new_argv = xmalloc ((new_argc + 1) * sizeof (*argv));
in = argv;
out = new_argv;
*out++ = *in++;
/* Copy each old letter option as a separate option. */
for (letter = *in++; *letter; letter++)
{
buffer[1] = *letter;
*out++ = xstrdup (buffer);
}
/* Copy all remaining options. */
while (in < argv + argc)
*out++ = *in++;
*out = NULL;
/* Replace the old option list by the new one. */
argc = new_argc;
argv = new_argv;
}
while ((c = getopt_long (argc, argv, "hdmpqrtxlcoVsSuvabiMNfPTDU",
long_options, NULL)) != EOF)
{
switch (c)
{
case 'd':
case 'm':
case 'p':
case 'q':
case 'r':
case 't':
case 'x':
if (operation != none)
fatal (_("two different operation options specified"));
break;
}
switch (c)
{
case 'h':
show_help = 1;
break;
case 'd':
operation = del;
operation_alters_arch = TRUE;
break;
case 'm':
operation = move;
operation_alters_arch = TRUE;
break;
case 'p':
operation = print_files;
break;
case 'q':
operation = quick_append;
operation_alters_arch = TRUE;
break;
case 'r':
operation = replace;
operation_alters_arch = TRUE;
break;
case 't':
operation = print_table;
break;
case 'x':
operation = extract;
break;
case 'l':
break;
case 'c':
silent_create = 1;
break;
case 'o':
preserve_dates = 1;
break;
case 'V':
show_version = TRUE;
break;
case 's':
write_armap = 1;
break;
case 'S':
write_armap = -1;
break;
case 'u':
newer_only = 1;
break;
case 'v':
verbose = 1;
break;
case 'a':
postype = pos_after;
break;
case 'b':
postype = pos_before;
break;
case 'i':
postype = pos_before;
break;
case 'M':
mri_mode = 1;
break;
case 'N':
counted_name_mode = TRUE;
break;
case 'f':
ar_truncate = TRUE;
break;
case 'P':
full_pathname = TRUE;
break;
case 'T':
make_thin_archive = TRUE;
break;
case 'D':
deterministic = TRUE;
break;
case 'U':
deterministic = FALSE;
break;
case OPTION_PLUGIN:
#if BFD_SUPPORTS_PLUGINS
plugin_target = "plugin";
bfd_plugin_set_plugin (optarg);
#else
fprintf (stderr, _("sorry - this program has been built without plugin support\n"));
xexit (1);
#endif
break;
case OPTION_TARGET:
target = optarg;
break;
case 0: /* A long option that just sets a flag. */
break;
default:
usage (0);
}
}
return &argv[optind];
}
/* If neither -D nor -U was specified explicitly,
then use the configured default. */
static void
default_deterministic (void)
{
if (deterministic < 0)
deterministic = DEFAULT_AR_DETERMINISTIC;
}
static void
ranlib_main (int argc, char **argv)
{
int arg_index, status = 0;
bfd_boolean touch = FALSE;
int c;
while ((c = getopt_long (argc, argv, "DhHUvVt", long_options, NULL)) != EOF)
{
switch (c)
{
case 'D':
deterministic = TRUE;
break;
case 'U':
deterministic = FALSE;
break;
case 'h':
case 'H':
show_help = 1;
break;
case 't':
touch = TRUE;
break;
case 'v':
case 'V':
show_version = 1;
break;
/* PR binutils/13493: Support plugins. */
case OPTION_PLUGIN:
#if BFD_SUPPORTS_PLUGINS
plugin_target = "plugin";
bfd_plugin_set_plugin (optarg);
#else
fprintf (stderr, _("sorry - this program has been built without plugin support\n"));
xexit (1);
#endif
break;
}
}
if (argc < 2)
ranlib_usage (0);
if (show_help)
ranlib_usage (1);
if (show_version)
print_version ("ranlib");
default_deterministic ();
arg_index = optind;
while (arg_index < argc)
{
if (! touch)
status |= ranlib_only (argv[arg_index]);
else
status |= ranlib_touch (argv[arg_index]);
++arg_index;
}
xexit (status);
}
int main (int, char **);
int
main (int argc, char **argv)
{
int arg_index;
char **files;
int file_count;
char *inarch_filename;
int i;
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
setlocale (LC_MESSAGES, "");
#endif
#if defined (HAVE_SETLOCALE)
setlocale (LC_CTYPE, "");
#endif
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
program_name = argv[0];
xmalloc_set_program_name (program_name);
#if BFD_SUPPORTS_PLUGINS
bfd_plugin_set_program_name (program_name);
#endif
expandargv (&argc, &argv);
if (is_ranlib < 0)
{
const char *temp = lbasename (program_name);
if (strlen (temp) >= 6
&& FILENAME_CMP (temp + strlen (temp) - 6, "ranlib") == 0)
is_ranlib = 1;
else
is_ranlib = 0;
}
START_PROGRESS (program_name, 0);
bfd_init ();
set_default_bfd_target ();
xatexit (remove_output);
for (i = 1; i < argc; i++)
if (! ar_emul_parse_arg (argv[i]))
break;
argv += (i - 1);
argc -= (i - 1);
if (is_ranlib)
ranlib_main (argc, argv);
if (argc < 2)
usage (0);
argv = decode_options (argc, argv);
if (show_help)
usage (1);
if (show_version)
print_version ("ar");
arg_index = 0;
if (mri_mode)
{
default_deterministic ();
mri_emul ();
}
else
{
bfd *arch;
/* We don't use do_quick_append any more. Too many systems
expect ar to always rebuild the symbol table even when q is
used. */
/* We can't write an armap when using ar q, so just do ar r
instead. */
if (operation == quick_append && write_armap)
operation = replace;
if ((operation == none || operation == print_table)
&& write_armap == 1)
xexit (ranlib_only (argv[arg_index]));
if (operation == none)
fatal (_("no operation specified"));
if (newer_only && operation != replace)
fatal (_("`u' is only meaningful with the `r' option."));
if (newer_only && deterministic > 0)
fatal (_("`u' is not meaningful with the `D' option."));
if (newer_only && deterministic < 0 && DEFAULT_AR_DETERMINISTIC)
non_fatal (_("\
`u' modifier ignored since `D' is the default (see `U')"));
default_deterministic ();
if (postype != pos_default)
posname = argv[arg_index++];
if (counted_name_mode)
{
if (operation != extract && operation != del)
fatal (_("`N' is only meaningful with the `x' and `d' options."));
counted_name_counter = atoi (argv[arg_index++]);
if (counted_name_counter <= 0)
fatal (_("Value for `N' must be positive."));
}
inarch_filename = argv[arg_index++];
for (file_count = 0; argv[arg_index + file_count] != NULL; file_count++)
continue;
files = (file_count > 0) ? argv + arg_index : NULL;
arch = open_inarch (inarch_filename,
files == NULL ? (char *) NULL : files[0]);
if (operation == extract && bfd_is_thin_archive (arch))
fatal (_("`x' cannot be used on thin archives."));
switch (operation)
{
case print_table:
map_over_members (arch, print_descr, files, file_count);
break;
case print_files:
map_over_members (arch, print_contents, files, file_count);
break;
case extract:
map_over_members (arch, extract_file, files, file_count);
break;
case del:
if (files != NULL)
delete_members (arch, files);
else
output_filename = NULL;
break;
case move:
/* PR 12558: Creating and moving at the same time does
not make sense. Just create the archive instead. */
if (! silent_create)
{
if (files != NULL)
move_members (arch, files);
else
output_filename = NULL;
break;
}
/* Fall through. */
case replace:
case quick_append:
if (files != NULL || write_armap > 0)
replace_members (arch, files, operation == quick_append);
else
output_filename = NULL;
break;
/* Shouldn't happen! */
default:
/* xgettext:c-format */
fatal (_("internal error -- this option not implemented"));
}
}
END_PROGRESS (program_name);
xexit (0);
return 0;
}
bfd *
open_inarch (const char *archive_filename, const char *file)
{
bfd **last_one;
bfd *next_one;
struct stat sbuf;
bfd *arch;
char **matching;
bfd_set_error (bfd_error_no_error);
if (target == NULL)
target = plugin_target;
if (stat (archive_filename, &sbuf) != 0)
{
#if !defined(__GO32__) || defined(__DJGPP__)
/* FIXME: I don't understand why this fragment was ifndef'ed
away for __GO32__; perhaps it was in the days of DJGPP v1.x.
stat() works just fine in v2.x, so I think this should be
removed. For now, I enable it for DJGPP v2. -- EZ. */
/* KLUDGE ALERT! Temporary fix until I figger why
stat() is wrong ... think it's buried in GO32's IDT - Jax */
if (errno != ENOENT)
bfd_fatal (archive_filename);
#endif
if (!operation_alters_arch)
{
fprintf (stderr, "%s: ", program_name);
perror (archive_filename);
maybequit ();
return NULL;
}
/* If the target isn't set, try to figure out the target to use
for the archive from the first object on the list. */
if (target == NULL && file != NULL)
{
bfd *obj;
obj = bfd_openr (file, target);
if (obj != NULL)
{
if (bfd_check_format (obj, bfd_object))
target = bfd_get_target (obj);
(void) bfd_close (obj);
}
}
/* Create an empty archive. */
arch = bfd_openw (archive_filename, target);
if (arch == NULL
|| ! bfd_set_format (arch, bfd_archive)
|| ! bfd_close (arch))
bfd_fatal (archive_filename);
else if (!silent_create)
non_fatal (_("creating %s"), archive_filename);
/* If we die creating a new archive, don't leave it around. */
output_filename = archive_filename;
}
arch = bfd_openr (archive_filename, target);
if (arch == NULL)
{
bloser:
bfd_fatal (archive_filename);
}
if (! bfd_check_format_matches (arch, bfd_archive, &matching))
{
bfd_nonfatal (archive_filename);
if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
{
list_matching_formats (matching);
free (matching);
}
xexit (1);
}
if ((operation == replace || operation == quick_append)
&& bfd_openr_next_archived_file (arch, NULL) != NULL)
{
/* PR 15140: Catch attempts to convert a normal
archive into a thin archive or vice versa. */
if (make_thin_archive && ! bfd_is_thin_archive (arch))
{
fatal (_("Cannot convert existing library %s to thin format"),
bfd_get_filename (arch));
goto bloser;
}
else if (! make_thin_archive && bfd_is_thin_archive (arch))
{
fatal (_("Cannot convert existing thin library %s to normal format"),
bfd_get_filename (arch));
goto bloser;
}
}
last_one = &(arch->archive_next);
/* Read all the contents right away, regardless. */
for (next_one = bfd_openr_next_archived_file (arch, NULL);
next_one;
next_one = bfd_openr_next_archived_file (arch, next_one))
{
PROGRESS (1);
*last_one = next_one;
last_one = &next_one->archive_next;
}
*last_one = (bfd *) NULL;
if (bfd_get_error () != bfd_error_no_more_archived_files)
goto bloser;
return arch;
}
static void
print_contents (bfd *abfd)
{
bfd_size_type ncopied = 0;
bfd_size_type size;
char *cbuf = (char *) xmalloc (BUFSIZE);
struct stat buf;
if (bfd_stat_arch_elt (abfd, &buf) != 0)
/* xgettext:c-format */
fatal (_("internal stat error on %s"), bfd_get_filename (abfd));
if (verbose)
printf ("\n<%s>\n\n", bfd_get_filename (abfd));
bfd_seek (abfd, (file_ptr) 0, SEEK_SET);
size = buf.st_size;
while (ncopied < size)
{
bfd_size_type nread;
bfd_size_type tocopy = size - ncopied;
if (tocopy > BUFSIZE)
tocopy = BUFSIZE;
nread = bfd_bread (cbuf, tocopy, abfd);
if (nread != tocopy)