fileio: consolidate write_string_file*() #500
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Add a flag to control whether write_string_stream() should always enforce a trailing newline character in the file.
Merge write_string_file(), write_string_file_no_create() and write_string_file_atomic() into write_string_file() and provide a flags mask that allows combinations of atomic writing, newline appending and automatic file creation. Change all users accordingly.
The latest consolidation cleanup of write_string_file() revealed some users of that helper which should have used write_string_file_no_create() in the past but didn't. Basically, all existing users that write to files in /sys and /proc should not expect to write to a file which is not yet existant.
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Like it, but I think write_string_stream() should also take the flags parameter, instead of a bool. Seems simpler and more uniform that way, even if not all flags make sense for it. |
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Uh, really? All that |
poettering
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Jul 8, 2015
fileio: consolidate write_string_file*()
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Implement the idea of @poettering in #483.