From: Randy Dunlap <[email protected]>
As Herbert Xu pointed out, bytes (chars) with bit 7 (0x80) set are
true with isprint() but they may not be isascii() but be Unicode
instead, so don't try to print them in hex dumps.
Signed-off-by: Randy Dunlap <[email protected]>
---
lib/hexdump.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- linux-2.6.24-rc3.orig/lib/hexdump.c
+++ linux-2.6.24-rc3/lib/hexdump.c
@@ -106,7 +106,8 @@ void hex_dump_to_buffer(const void *buf,
while (lx < (linebuflen - 1) && lx < (ascii_column - 1))
linebuf[lx++] = ' ';
for (j = 0; (j < rowsize) && (j < len) && (lx + 2) < linebuflen; j++)
- linebuf[lx++] = isprint(ptr[j]) ? ptr[j] : '.';
+ linebuf[lx++] = (isascii(ptr[j]) && isprint(ptr[j])) ? ptr[j]
+ : '.';
nil:
linebuf[lx++] = '\0';
}
-
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