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drm/print: Add drm_printf_indent()

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Add drm_printf_indent() that adds tab indentation according to argument.
Indentation overflow is marked with an X.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171107191348.17555-4-noralf@tronnes.org
This commit is contained in:
Noralf Trønnes 2017-11-07 20:13:39 +01:00
parent 6ff1086e21
commit bf6234a294
1 changed files with 8 additions and 0 deletions
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8
include/drm/drm_print.h
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@ -80,6 +80,14 @@ void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf);
__printf(2, 3)
void drm_printf(struct drm_printer *p, const char *f, ...);
/**
* drm_printf_indent - Print to a &drm_printer stream with indentation
* @printer: DRM printer
* @indent: Tab indentation level (max 5)
* @fmt: Format string
*/
#define drm_printf_indent(printer, indent, fmt, ...) \
drm_printf((printer), "%.*s" fmt, (indent), "\t\t\t\t\tX", ##__VA_ARGS__)
/**
* drm_seq_file_printer - construct a &drm_printer that outputs to &seq_file