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-rw-r--r--binutils-2.25/binutils/strings.c53
1 files changed, 44 insertions, 9 deletions
diff --git a/binutils-2.25/binutils/strings.c b/binutils-2.25/binutils/strings.c
index d5916305..2cf046fd 100644
--- a/binutils-2.25/binutils/strings.c
+++ b/binutils-2.25/binutils/strings.c
@@ -1,7 +1,5 @@
/* strings -- print the strings of printable characters in files
- Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012
- Free Software Foundation, Inc.
+ Copyright (C) 1993-2014 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
@@ -23,7 +21,10 @@
Options:
--all
-a
- - Do not scan only the initialized data section of object files.
+ - Scan each file in its entirety.
+
+ --data
+ -d Scan only the initialized data section(s) of object files.
--print-file-name
-f Print the name of the file before each string.
@@ -37,6 +38,10 @@
-t {o,x,d} Print the offset within the file before each string,
in octal/hex/decimal.
+ --include-all-whitespace
+ -w By default tab and space are the only whitepace included in graphic
+ char sequences. This option considers all of isspace() valid.
+
-o Like -to. (Some other implementations have -o like -to,
others like -td. We chose one arbitrarily.)
@@ -70,7 +75,9 @@
#define STRING_ISGRAPHIC(c) \
( (c) >= 0 \
&& (c) <= 255 \
- && ((c) == '\t' || ISPRINT (c) || (encoding == 'S' && (c) > 127)))
+ && ((c) == '\t' || ISPRINT (c) || (encoding == 'S' && (c) > 127) \
+ || (include_all_whitespace == TRUE && ISSPACE (c))) \
+ )
#ifndef errno
extern int errno;
@@ -85,6 +92,9 @@ static int address_radix;
/* Minimum length of sequence of graphic chars to trigger output. */
static int string_min;
+/* Whether or not we include all whitespace as a graphic char. */
+static bfd_boolean include_all_whitespace;
+
/* TRUE means print address within file for each string. */
static bfd_boolean print_addresses;
@@ -107,9 +117,11 @@ static int encoding_bytes;
static struct option long_options[] =
{
{"all", no_argument, NULL, 'a'},
+ {"data", no_argument, NULL, 'd'},
{"print-file-name", no_argument, NULL, 'f'},
{"bytes", required_argument, NULL, 'n'},
{"radix", required_argument, NULL, 't'},
+ {"include-all-whitespace", required_argument, NULL, 'w'},
{"encoding", required_argument, NULL, 'e'},
{"target", required_argument, NULL, 'T'},
{"help", no_argument, NULL, 'h'},
@@ -128,7 +140,7 @@ typedef struct
static void strings_a_section (bfd *, asection *, void *);
static bfd_boolean strings_object_file (const char *);
-static bfd_boolean strings_file (char *file);
+static bfd_boolean strings_file (char *);
static void print_strings (const char *, FILE *, file_ptr, int, int, char *);
static void usage (FILE *, int);
static long get_char (FILE *, file_ptr *, int *, char **);
@@ -156,13 +168,17 @@ main (int argc, char **argv)
expandargv (&argc, &argv);
string_min = 4;
+ include_all_whitespace = FALSE;
print_addresses = FALSE;
print_filenames = FALSE;
- datasection_only = TRUE;
+ if (DEFAULT_STRINGS_ALL)
+ datasection_only = FALSE;
+ else
+ datasection_only = TRUE;
target = NULL;
encoding = 's';
- while ((optc = getopt_long (argc, argv, "afhHn:ot:e:T:Vv0123456789",
+ while ((optc = getopt_long (argc, argv, "adfhHn:wot:e:T:Vv0123456789",
long_options, (int *) 0)) != EOF)
{
switch (optc)
@@ -171,6 +187,10 @@ main (int argc, char **argv)
datasection_only = FALSE;
break;
+ case 'd':
+ datasection_only = TRUE;
+ break;
+
case 'f':
print_filenames = TRUE;
break;
@@ -185,6 +205,10 @@ main (int argc, char **argv)
fatal (_("invalid integer argument %s"), optarg);
break;
+ case 'w':
+ include_all_whitespace = TRUE;
+ break;
+
case 'o':
print_addresses = TRUE;
address_radix = 8;
@@ -635,12 +659,23 @@ usage (FILE *stream, int status)
{
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\
+ fprintf (stream, _(" The options are:\n"));
+
+ if (DEFAULT_STRINGS_ALL)
+ fprintf (stream, _("\
+ -a - --all Scan the entire file, not just the data section [default]\n\
+ -d --data Only scan the data sections in the file\n"));
+ else
+ fprintf (stream, _("\
-a - --all Scan the entire file, not just the data section\n\
+ -d --data Only scan the data sections in the file [default]\n"));
+
+ fprintf (stream, _("\
-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,d,x} Print the location of the string in base 8, 10 or 16\n\
+ -w --include-all-whitespace Include all whitespace as valid string characters\n\
-o An alias for --radix=o\n\
-T --target=<BFDNAME> Specify the binary file format\n\
-e --encoding={s,S,b,l,B,L} Select character size and endianness:\n\