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binutils-gdb
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* strings.c (get_char): Dispense with buf[]. Instead shift 

chars into big-endian value and byte-swap later if
	little-endian.  Don't EOF check value read from object.
This commit is contained in:
Alan Modra 2013-03-06 13:40:51 +00:00
parent 6c77229c00
commit c54e2ec142
2 changed files with 12 additions and 19 deletions
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6
binutils/ChangeLog
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@ -1,3 +1,9 @@
2013-03-07 Alan Modra <amodra@gmail.com>
* strings.c (get_char): Dispense with buf[]. Instead shift
chars into big-endian value and byte-swap later if
little-endian. Don't EOF check value read from object.
2013-03-05 Corinna Vinschen <vinschen@redhat.com>
* configure.in: Build DLL tools on x86_64-*-cygwin* as well.

25
binutils/strings.c
View File

@ -455,8 +455,7 @@ static long
get_char (FILE *stream, file_ptr *address, int *magiccount, char **magic)
{
int c, i;
long r = EOF;
unsigned char buf[4];
long r = 0;
for (i = 0; i < encoding_bytes; i++)
{
@ -484,34 +483,22 @@ get_char (FILE *stream, file_ptr *address, int *magiccount, char **magic)
}
(*address)++;
buf[i] = c;
r = (r << 8) | (c & 0xff);
}
switch (encoding)
{
case 'S':
case 's':
r = buf[0];
break;
case 'b':
r = (buf[0] << 8) | buf[1];
default:
break;
case 'l':
r = buf[0] | (buf[1] << 8);
break;
case 'B':
r = ((long) buf[0] << 24) | ((long) buf[1] << 16) |
((long) buf[2] << 8) | buf[3];
r = ((r & 0xff) << 8) | ((r & 0xff00) >> 8);
break;
case 'L':
r = buf[0] | ((long) buf[1] << 8) | ((long) buf[2] << 16) |
((long) buf[3] << 24);
r = (((r & 0xff) << 24) | ((r & 0xff00) << 8)
| ((r & 0xff0000) >> 8) | ((r & 0xff000000) >> 24));
break;
}
if (r == EOF)
return 0;
return r;
}