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3 Commits
Author SHA1 Message Date
Andy Shevchenko c8250381c8 lib / string_helpers: introduce string_escape_mem() 
This is almost the opposite function to string_unescape().  Nevertheless
it handles \0 and could be used for any byte buffer.

The documentation is supplied together with the function prototype.

The test cases covers most of the scenarios and would be expanded later
on.

[[email protected]: avoid 1k stack consumption]
Signed-off-by: Andy Shevchenko <[email protected]>
Cc: "John W . Linville" <[email protected]>
Cc: Johannes Berg <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Joe Perches <[email protected]>
Cc: Wu Fengguang <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
 2014-10-14 02:18:26 +02:00
Andy Shevchenko 45ff337a54 lib / string_helpers: refactoring the test suite 
This patch prepares test suite for a following update.  It introduces
test_string_check_buf() helper which checks the result and dumps an error.

Signed-off-by: Andy Shevchenko <[email protected]>
Cc: "John W . Linville" <[email protected]>
Cc: Johannes Berg <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Joe Perches <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
 2014-10-14 02:18:26 +02:00
Andy Shevchenko 16c7fa0582 lib/string_helpers: introduce generic string_unescape 
There are several places in kernel where modules unescapes input to convert
C-Style Escape Sequences into byte codes.

The patch provides generic implementation of such approach. Test cases are
also included into the patch.

[[email protected]: clarify comment]
[[email protected]: export get_random_int() to modules]
Signed-off-by: Andy Shevchenko <[email protected]>
Cc: Samuel Thibault <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Jason Baron <[email protected]>
Cc: Alexander Viro <[email protected]>
Cc: William Hubbs <[email protected]>
Cc: Chris Brannon <[email protected]>
Cc: Kirk Reiser <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
 2013-04-30 17:04:03 -07:00