[trivial notes] On Mon, 2014-07-07 at 18:21 +0300, Andy Shevchenko wrote: > This allows user to print a given buffer as esaped string. The rules applied as an escaped > accordingly to the mix of the flags provided by additional format letters. rules are applied according to an optional mix of flags > For example, if the given buffer: > > 1b 62 20 5c 43 07 22 90 0d 5d > > The result strings could be: would be > %*pE "\eb \C\a"\220\r]" Maybe say something about ssid's here. or maybe add an %*pES just for the ssid type. > diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt [] > @@ -70,6 +70,34 @@ DMA addresses types dma_addr_t: > For printing a dma_addr_t type which can vary based on build options, > regardless of the width of the CPU data path. Passed by reference. > > +Raw buffer as an escaped string: > + > + %*pE[achnops] > + > + For printing raw buffer as an escaped string. For the following buffer > + > + 1b 62 20 5c 43 07 22 90 0d 5d > + > + few examples show how the conversion could be done (the result string > + without embraced quotes): 'embraced' is a bit of an awkward word choice. Maybe surrounding. > + > + %*pE "\eb \C\a"\220\r]" Oh, the initial commit log comments above are really for this block > + %*pEhp "\x1bb \C\x07"\x90\x0d]" > + %*pEa "\e\142\040\\\103\a\042\220\r\135" > + > + The converion rules are defined by combination of the following flags conversion > + (see string_escape_mem() kernel documentation for the details): > + a - ESCAPE_ANY > + c - ESCAPE_SPECIAL > + h - ESCAPE_HEX > + n - ESCAPE_NULL > + o - ESCAPE_OCTAL > + p - ESCAPE_NP > + s - ESCAPE_SPACE > + By default ESCAPE_ANY_NP is used. > + > + If field width is ommited the 1 byte only will be escaped. omitted _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
