Re: [PATCH v4 4/7] lib/hexdump.c: Replace ascii bool in hex_dump_to_buffer with flags

From: Joe Perches
Date: Tue Jun 25 2019 - 01:01:51 EST


On Tue, 2019-06-25 at 13:17 +1000, Alastair D'Silva wrote:
> From: Alastair D'Silva <alastair@xxxxxxxxxxx>
>
> In order to support additional features, rename hex_dump_to_buffer to
> hex_dump_to_buffer_ext, and replace the ascii bool parameter with flags.
[]
> diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
[]
> @@ -1338,9 +1338,8 @@ static void hexdump(struct drm_printer *m, const void *buf, size_t len)
> }
>
> WARN_ON_ONCE(hex_dump_to_buffer(buf + pos, len - pos,
> - rowsize, sizeof(u32),
> - line, sizeof(line),
> - false) >= sizeof(line));
> + rowsize, sizeof(u32), line,
> + sizeof(line)) >= sizeof(line));

Huh? Why do this?

> diff --git a/drivers/isdn/hardware/mISDN/mISDNisar.c b/drivers/isdn/hardware/mISDN/mISDNisar.c
[]
> @@ -70,8 +70,9 @@ send_mbox(struct isar_hw *isar, u8 his, u8 creg, u8 len, u8 *msg)
> int l = 0;
>
> while (l < (int)len) {
> - hex_dump_to_buffer(msg + l, len - l, 32, 1,
> - isar->log, 256, 1);
> + hex_dump_to_buffer_ext(msg + l, len - l, 32, 1,
> + isar->log, 256,
> + HEXDUMP_ASCII);

Again, why do any of these?

The point of the wrapper is to avoid changing these.