/* strings -- print the strings of printable characters in files
- Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
- Free Software Foundation, Inc.
+ Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+ 2002 Free Software Foundation, Inc.
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
Written by Richard Stallman <rms@gnu.ai.mit.edu>
and David MacKenzie <djm@gnu.ai.mit.edu>. */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
#include "bfd.h"
#include <stdio.h>
-#include <getopt.h>
-#include <ctype.h>
+#include "getopt.h"
#include <errno.h>
#include "bucomm.h"
#include "libiberty.h"
+#include "safe-ctype.h"
/* Some platforms need to put stdin into binary mode, to read
binary files. */
#endif
#endif
-/* Not all printable characters have ASCII codes (depending upon the
- LOCALE set) but on some older systems it is not safe to test isprint
- without first testing isascii... */
-#if defined isascii && !defined HAVE_LOCALE_H
-#define isgraphic(c) (isascii (c) && (isprint (c) || (c) == '\t'))
-#else
-#define isgraphic(c) (isprint (c) || (c) == '\t')
-#endif
+#define isgraphic(c) (ISPRINT (c) || (c) == '\t')
#ifndef errno
extern int errno;
/* The BFD section flags that identify an initialized data section. */
#define DATA_FLAGS (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS)
+#ifdef HAVE_FOPEN64
+typedef off64_t file_off;
+#define file_open(s,m) fopen64(s,m)
+#else
+typedef off_t file_off;
+#define file_open(s,m) fopen(s,m)
+#endif
+
/* Radix for printing addresses (must be 8, 10 or 16). */
static int address_radix;
static boolean strings_file PARAMS ((char *file));
static int integer_arg PARAMS ((char *s));
static void print_strings PARAMS ((const char *filename, FILE *stream,
- file_ptr address, int stop_point,
+ file_off address, int stop_point,
int magiccount, char *magic));
static void usage PARAMS ((FILE *stream, int status));
+static long get_char PARAMS ((FILE *stream, file_off *address,
+ int *magiccount, char **magic));
\f
+int main PARAMS ((int, char **));
+
int
main (argc, argv)
int argc;
int exit_status = 0;
boolean files_given = false;
-#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
+#if defined (HAVE_SETLOCALE)
setlocale (LC_ALL, "");
#endif
bindtextdomain (PACKAGE, LOCALEDIR);
target = NULL;
encoding = 's';
- while ((optc = getopt_long (argc, argv, "afn:ot:e:v0123456789",
+ while ((optc = getopt_long (argc, argv, "afhHn:ot:e:Vv0123456789",
long_options, (int *) 0)) != EOF)
{
switch (optc)
print_filenames = true;
break;
+ case 'H':
case 'h':
usage (stdout, 0);
encoding = optarg[0];
break;
+ case 'V':
case 'v':
print_version ("strings");
break;
{
FILE *stream;
- stream = fopen (file, "rb");
- /* Not all systems permit "rb", so try "r" if it failed. */
- if (stream == NULL)
- stream = fopen (file, "r");
+ stream = file_open (file, FOPEN_RB);
if (stream == NULL)
{
fprintf (stderr, "%s: ", program_name);
return false;
}
- print_strings (file, stream, (file_ptr) 0, 0, 0, (char *) 0);
+ print_strings (file, stream, (file_off) 0, 0, 0, (char *) 0);
if (fclose (stream) == EOF)
{
static long
get_char (stream, address, magiccount, magic)
FILE *stream;
- file_ptr *address;
+ file_off *address;
int *magiccount;
char **magic;
{
int c, i;
- long r;
+ long r = EOF;
unsigned char buf[4];
for (i = 0; i < encoding_bytes; i++)
{
if (stream == NULL)
return EOF;
+#ifdef HAVE_GETC_UNLOCKED
+ c = getc_unlocked (stream);
+#else
c = getc (stream);
+#endif
if (c == EOF)
return EOF;
}
print_strings (filename, stream, address, stop_point, magiccount, magic)
const char *filename;
FILE *stream;
- file_ptr address;
+ file_off address;
int stop_point;
int magiccount;
char *magic;
while (1)
{
- file_ptr start;
+ file_off start;
int i;
long c;
switch (address_radix)
{
case 8:
- printf ("%7lo ", (unsigned long) start);
+#if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2)
+ if (sizeof (start) > sizeof (long))
+ printf ("%7Lo ", (unsigned long long) start);
+ else
+#else
+# if !BFD_HOST_64BIT_LONG
+ if (start != (unsigned long) start)
+ printf ("++%7lo ", (unsigned long) start);
+ else
+# endif
+#endif
+ printf ("%7lo ", (unsigned long) start);
break;
case 10:
- printf ("%7ld ", (long) start);
+#if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2)
+ if (sizeof (start) > sizeof (long))
+ printf ("%7Ld ", (unsigned long long) start);
+ else
+#else
+# if !BFD_HOST_64BIT_LONG
+ if (start != (unsigned long) start)
+ printf ("++%7ld ", (unsigned long) start);
+ else
+# endif
+#endif
+ printf ("%7ld ", (long) start);
break;
case 16:
- printf ("%7lx ", (unsigned long) start);
+#if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2)
+ if (sizeof (start) > sizeof (long))
+ printf ("%7Lx ", (unsigned long long) start);
+ else
+#else
+# if !BFD_HOST_64BIT_LONG
+ if (start != (unsigned long) start)
+ printf ("%lx%8.8lx ", start >> 32, start & 0xffffffff);
+ else
+# endif
+#endif
+ printf ("%7lx ", (unsigned long) start);
break;
}
FILE *stream;
int status;
{
- fprintf (stream, _("\
-Usage: %s [-afov] [-n min-len] [-min-len] [-t {o,x,d}] [-e {s,b,l,B,L}]\n\
- [-] [--all] [--print-file-name] [--bytes=min-len] [--radix={o,x,d}]\n\
- [--target=bfdname] [--encoding {s,b,l,B,L}] [--help] [--version] file...\n"),
- program_name);
+ fprintf (stream, _("Usage: %s [option(s)] [file(s)]\n"), program_name);
+ fprintf (stream, _(" Display printable strings in [file(s)] (stdin by default)\n"));
+ fprintf (stream, _(" The options are:\n\
+ -a - --all Scan the entire file, not just the data section\n\
+ -f --print-file-name Print the name of the file before each string\n\
+ -n --bytes=[number] Locate & print any NUL-terminated sequence of at\n\
+ -<number> least [number] characters (default 4).\n\
+ -t --radix={o,x,d} Print the location of the string in base 8, 10 or 16\n\
+ -o An alias for --radix=o\n\
+ -T --target=<BFDNAME> Specify the binary file format\n\
+ -e --encoding={s,b,l,B,L} Select character size and endianness:\n\
+ s = 8-bit, {b,l} = 16-bit, {B,L} = 32-bit\n\
+ -h --help Display this information\n\
+ -v --version Print the program's version number\n"));
list_supported_targets (program_name, stream);
if (status == 0)
fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);