On 2010-09-29 10:49, Theo de Raadt wrote:
> Perhaps a posix weenie can look into making hexdump use setvbuf and
> adjusting the read requirements for fread() when the length (-n
> argument) is specified as being short of the blocksize.
How about this weenie?
Index: display.c
===================================================================
RCS file: /cvs/src/usr.bin/hexdump/display.c,v
retrieving revision 1.18
diff -u -p -r1.18 display.c
--- display.c 27 Oct 2009 23:59:39 -0000 1.18
+++ display.c 29 Sep 2010 15:03:11 -0000
@@ -300,6 +300,8 @@ next(char **argv)
++_argv;
continue;
}
+ if (length > 0 && length < BUFSIZ)
+ setvbuf(stdin, NULL, _IONBF, 0);
statok = done = 1;
} else {
if (done++)
--
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