/* strings -- print the strings of printable characters in files
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002 Free Software Foundation, Inc.
+ 2002, 2003, 2004 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
-o Like -to. (Some other implementations have -o like -to,
others like -td. We chose one arbitrarily.)
- --encoding={s,b,l,B,L}
- -e {s,b,l,B,L}
- Select character encoding: single-byte, bigendian 16-bit,
- littleendian 16-bit, bigendian 32-bit, littleendian 32-bit
+ --encoding={s,S,b,l,B,L}
+ -e {s,S,b,l,B,L}
+ Select character encoding: 7-bit-character, 8-bit-character,
+ bigendian 16-bit, littleendian 16-bit, bigendian 32-bit,
+ littleendian 32-bit.
--target=BFDNAME
Specify a non-default object file format.
#endif
#if O_BINARY
#include <io.h>
-#define SET_BINARY(f) do { if (!isatty(f)) setmode(f,O_BINARY); } while (0)
+#define SET_BINARY(f) do { if (!isatty (f)) setmode (f,O_BINARY); } while (0)
#endif
#endif
-#define isgraphic(c) (ISPRINT (c) || (c) == '\t')
+#define STRING_ISGRAPHIC(c) \
+ ( (c) >= 0 \
+ && (c) <= 255 \
+ && ((c) == '\t' || ISPRINT (c) || (encoding == 'S' && (c) > 127)))
#ifndef errno
extern int errno;
#ifdef HAVE_FOPEN64
typedef off64_t file_off;
-#define file_open(s,m) fopen64(s,m)
+#define file_open(s,m) fopen64(s, m)
#else
typedef off_t file_off;
-#define file_open(s,m) fopen(s,m)
+#define file_open(s,m) fopen(s, m)
#endif
/* Radix for printing addresses (must be 8, 10 or 16). */
{NULL, 0, NULL, 0}
};
-static void strings_a_section
- PARAMS ((bfd *, asection *, PTR));
-static bfd_boolean strings_object_file
- PARAMS ((const char *));
-static bfd_boolean strings_file
- PARAMS ((char *file));
-static int integer_arg
- PARAMS ((char *s));
-static void print_strings
- PARAMS ((const char *filename, FILE *stream, 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));
+static void strings_a_section (bfd *, asection *, void *);
+static bfd_boolean strings_object_file (const char *);
+static bfd_boolean strings_file (char *file);
+static int integer_arg (char *s);
+static void print_strings (const char *, FILE *, file_off, int, int, char *);
+static void usage (FILE *, int);
+static long get_char (FILE *, file_off *, int *, char **);
\f
-int main
- PARAMS ((int, char **));
+int main (int, char **);
int
-main (argc, argv)
- int argc;
- char **argv;
+main (int argc, char **argv)
{
int optc;
int exit_status = 0;
case 'n':
string_min = integer_arg (optarg);
if (string_min < 1)
- {
- fatal (_("invalid number %s"), optarg);
- }
+ fatal (_("invalid number %s"), optarg);
break;
case 'o':
switch (encoding)
{
+ case 'S':
case 's':
encoding_bytes = 1;
break;
set `got_a_section' and print the strings in it. */
static void
-strings_a_section (abfd, sect, filearg)
- bfd *abfd;
- asection *sect;
- PTR filearg;
+strings_a_section (bfd *abfd, asection *sect, void *filearg)
{
const char *file = (const char *) filearg;
if ((sect->flags & DATA_FLAGS) == DATA_FLAGS)
{
- bfd_size_type sz = bfd_get_section_size_before_reloc (sect);
- PTR mem = xmalloc (sz);
+ bfd_size_type sz = bfd_get_section_size (sect);
+ void *mem = xmalloc (sz);
+
if (bfd_get_section_contents (abfd, sect, mem, (file_ptr) 0, sz))
{
got_a_section = TRUE;
FALSE if not (such as if FILE is not an object file). */
static bfd_boolean
-strings_object_file (file)
- const char *file;
+strings_object_file (const char *file)
{
bfd *abfd = bfd_openr (file, target);
if (abfd == NULL)
- {
- /* Treat the file as a non-object file. */
- return FALSE;
- }
+ /* Treat the file as a non-object file. */
+ return FALSE;
/* This call is mainly for its side effect of reading in the sections.
We follow the traditional behavior of `strings' in that we don't
}
got_a_section = FALSE;
- bfd_map_over_sections (abfd, strings_a_section, (PTR) file);
+ bfd_map_over_sections (abfd, strings_a_section, (void *) file);
if (!bfd_close (abfd))
{
/* Print the strings in FILE. Return TRUE if ok, FALSE if an error occurs. */
static bfd_boolean
-strings_file (file)
- char *file;
+strings_file (char *file)
{
+ if (get_file_size (file) < 1)
+ return FALSE;
+
/* If we weren't told to scan the whole file,
try to open it as an object file and only look at
initialized data sections. If that fails, fall back to the
MAGICCOUNT is how many characters are in it. */
static long
-get_char (stream, address, magiccount, magic)
- FILE *stream;
- file_off *address;
- int *magiccount;
- char **magic;
+get_char (FILE *stream, file_off *address, int *magiccount, char **magic)
{
int c, i;
long r = EOF;
switch (encoding)
{
+ case 'S':
case 's':
r = buf[0];
break;
Those characters come at address ADDRESS and the data in STREAM follow. */
static void
-print_strings (filename, stream, address, stop_point, magiccount, magic)
- const char *filename;
- FILE *stream;
- file_off address;
- int stop_point;
- int magiccount;
- char *magic;
+print_strings (const char *filename, FILE *stream, file_off address,
+ int stop_point, int magiccount, char *magic)
{
char *buf = (char *) xmalloc (sizeof (char) * (string_min + 1));
c = get_char (stream, &address, &magiccount, &magic);
if (c == EOF)
return;
- if (c > 255 || c < 0 || !isgraphic (c))
+ if (! STRING_ISGRAPHIC (c))
/* Found a non-graphic. Try again starting with next char. */
goto tryline;
buf[i] = c;
}
/* We found a run of `string_min' graphic characters. Print up
- to the next non-graphic character. */
+ to the next non-graphic character. */
if (print_filenames)
printf ("%s: ", filename);
#else
# if !BFD_HOST_64BIT_LONG
if (start != (unsigned long) start)
- printf ("%lx%8.8lx ", start >> 32, start & 0xffffffff);
+ printf ("%lx%8.8lx ", (unsigned long) (start >> 32),
+ (unsigned long) (start & 0xffffffff));
else
# endif
#endif
c = get_char (stream, &address, &magiccount, &magic);
if (c == EOF)
break;
- if (c > 255 || c < 0 || !isgraphic (c))
+ if (! STRING_ISGRAPHIC (c))
break;
putchar (c);
}
but allowing octal and hex numbers as in C. */
static int
-integer_arg (s)
- char *s;
+integer_arg (char *s)
{
int value;
int radix = 10;
p--;
if (*p)
- {
- fatal (_("invalid integer argument %s"), s);
- }
+ fatal (_("invalid integer argument %s"), s);
+
return value;
}
static void
-usage (stream, status)
- FILE *stream;
- int status;
+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"));
-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\
+ -e --encoding={s,S,b,l,B,L} Select character size and endianness:\n\
+ s = 7-bit, 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);
projects / deliverable / binutils-gdb.git / blobdiff