~drizzle-trunk/drizzle/development

/* bucomm.c -- Bin Utils COMmon code.

   Copyright (C) 1991, 92, 93, 94, 95, 1997 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 2 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., 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.  */

#include <bfd.h>

#include <libiberty.h>

#include "bucomm.h"

#include <sys/stat.h>

#include <time.h>		/* ctime, maybe time_t */

#ifdef ANSI_PROTOTYPES

#include <stdarg.h>

#else

#include <varargs.h>

#endif

/* Error reporting */

char *program_name;

void

bfd_nonfatal (string)

     CONST char *string;

{

  CONST char *errmsg = bfd_errmsg (bfd_get_error ());

  if (string)

    fprintf (stderr, "%s: %s: %s\n", program_name, string, errmsg);

  else

    fprintf (stderr, "%s: %s\n", program_name, errmsg);

}

void

bfd_fatal (string)

     CONST char *string;

{

  bfd_nonfatal (string);

  xexit (1);

}

#ifdef ANSI_PROTOTYPES

void

fatal (const char *format, ...)

{

  va_list args;

  fprintf (stderr, "%s: ", program_name);

  va_start (args, format);

  vfprintf (stderr, format, args);

  va_end (args);

  putc ('\n', stderr);

  xexit (1);

}

#else

void 

fatal (va_alist)

     va_dcl

{

  char *Format;

  va_list args;

  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.  */

#define TARGET	"elf32-i386"	/* FIXME: hard-coded! */

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");

}

/* Display the archive header for an element as if it were an ls -l listing:

   Mode       User\tGroup\tSize\tDate               Name */

void

print_arelt_descr (file, abfd, verbose)

     FILE *file;

     bfd *abfd;

     boolean verbose;

{

  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);

	}

    }

  fprintf (file, "%s\n", bfd_get_filename (abfd));

}

/* 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);

      mkstemp (tmpname);

      *slash = c;

    }

  else

    {

      tmpname = xmalloc (sizeof (template));

      strcpy (tmpname, template);

      mkstemp (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;

}