binutils-gdb/binutils/bucomm.c

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/* bucomm.c -- Bin Utils COMmon code.
Copyright (C) 1991, 92, 93, 94, 95, 1997 Free Software Foundation, Inc.
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This file is part of GNU Binutils.
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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 2 of the License, or
(at your option) any later version.
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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.
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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., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
/* We might put this in a library someday so it could be dynamically
loaded, but for now it's not necessary. */
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#include "bfd.h"
#include "libiberty.h"
#include "bucomm.h"
#include <sys/stat.h>
#include <time.h> /* ctime, maybe time_t */
#ifndef HAVE_TIME_T_IN_TIME_H
#ifndef HAVE_TIME_T_IN_TYPES_H
typedef long time_t;
#endif
#endif
#ifdef ANSI_PROTOTYPES
#include <stdarg.h>
#else
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#include <varargs.h>
#endif
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char *target = NULL; /* default as late as possible */
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/* Error reporting */
char *program_name;
void
bfd_nonfatal (string)
CONST char *string;
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{
CONST char *errmsg = bfd_errmsg (bfd_get_error ());
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if (string)
fprintf (stderr, "%s: %s: %s\n", program_name, string, errmsg);
else
fprintf (stderr, "%s: %s\n", program_name, errmsg);
}
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void
bfd_fatal (string)
CONST char *string;
{
bfd_nonfatal (string);
xexit (1);
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}
#ifdef ANSI_PROTOTYPES
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void
fatal (const char *format, ...)
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{
va_list args;
fprintf (stderr, "%s: ", program_name);
va_start (args, format);
vfprintf (stderr, format, args);
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va_end (args);
putc ('\n', stderr);
xexit (1);
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}
#else
void
fatal (va_alist)
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va_dcl
{
char *Format;
va_list args;
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fprintf (stderr, "%s: ", program_name);
va_start (args);
Format = va_arg (args, char *);
vfprintf (stderr, Format, args);
va_end (args);
putc ('\n', stderr);
xexit (1);
}
#endif
/* Set the default BFD target based on the configured target. Doing
this permits the binutils to be configured for a particular target,
and linked against a shared BFD library which was configured for a
different target. */
void
set_default_bfd_target ()
{
/* The macro TARGET is defined by Makefile. */
const char *target = TARGET;
if (! bfd_set_default_target (target))
{
char *errmsg;
errmsg = (char *) xmalloc (100 + strlen (target));
sprintf (errmsg, "can't set BFD default target to `%s'", target);
bfd_fatal (errmsg);
}
}
/* After a false return from bfd_check_format_matches with
bfd_get_error () == bfd_error_file_ambiguously_recognized, print
the possible matching targets. */
void
list_matching_formats (p)
char **p;
{
fprintf(stderr, "%s: Matching formats:", program_name);
while (*p)
fprintf(stderr, " %s", *p++);
fprintf(stderr, "\n");
}
/* List the supported targets. */
void
list_supported_targets (name, f)
const char *name;
FILE *f;
{
extern bfd_target *bfd_target_vector[];
int t;
if (name == NULL)
fprintf (f, "Supported targets:");
else
fprintf (f, "%s: supported targets:", name);
for (t = 0; bfd_target_vector[t] != NULL; t++)
fprintf (f, " %s", bfd_target_vector[t]->name);
fprintf (f, "\n");
}
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/* Display the archive header for an element as if it were an ls -l listing:
Mode User\tGroup\tSize\tDate Name */
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void
print_arelt_descr (file, abfd, verbose)
FILE *file;
bfd *abfd;
boolean verbose;
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{
struct stat buf;
if (verbose)
{
if (bfd_stat_arch_elt (abfd, &buf) == 0)
{
char modebuf[11];
char timebuf[40];
time_t when = buf.st_mtime;
CONST char *ctime_result = (CONST char *) ctime (&when);
/* POSIX format: skip weekday and seconds from ctime output. */
sprintf (timebuf, "%.12s %.4s", ctime_result + 4, ctime_result + 20);
mode_string (buf.st_mode, modebuf);
modebuf[10] = '\0';
/* POSIX 1003.2/D11 says to skip first character (entry type). */
fprintf (file, "%s %ld/%ld %6ld %s ", modebuf + 1,
(long) buf.st_uid, (long) buf.st_gid,
(long) buf.st_size, timebuf);
}
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}
fprintf (file, "%s\n", bfd_get_filename (abfd));
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}
/* Return the name of a temporary file in the same directory as FILENAME. */
char *
make_tempname (filename)
char *filename;
{
static char template[] = "stXXXXXX";
char *tmpname;
char *slash = strrchr (filename, '/');
#if defined (__DJGPP__) || defined (__GO32__) || defined (_WIN32)
if (slash == NULL)
slash = strrchr (filename, '\\');
#endif
if (slash != (char *) NULL)
{
char c;
c = *slash;
*slash = 0;
tmpname = xmalloc (strlen (filename) + sizeof (template) + 1);
strcpy (tmpname, filename);
strcat (tmpname, "/");
strcat (tmpname, template);
mktemp (tmpname);
*slash = c;
}
else
{
tmpname = xmalloc (sizeof (template));
strcpy (tmpname, template);
mktemp (tmpname);
}
return tmpname;
}
/* Parse a string into a VMA, with a fatal error if it can't be
parsed. */
bfd_vma
parse_vma (s, arg)
const char *s;
const char *arg;
{
bfd_vma ret;
const char *end;
ret = bfd_scan_vma (s, &end, 0);
if (*end != '\0')
{
fprintf (stderr, "%s: %s: bad number: %s\n", program_name, arg, s);
exit (1);
}
return ret;
}