[kamailio/kamailio] file_read() and file_write() contain no documentation on return values (Issue #3314)
According to https://www.kamailio.org/docs/modules/5.6.x/modules/corex.html#corex.f.file_... the functions cores.file_read() and cores.file_write() do not return a value (return void). The examples after functions are `if (file_write("z', "z")) {...}`. Since the functions appear in `if ()` they return se value.
* document the return values of both functions
Closed #3314 as completed.
While in generally it would be good to have the return codes explicitly in readme, it is not a requirement. Having a report on tracker for each function is not feasable, if one wants to document, the source code is available and PRs can be made.
Otherwise, as general rule, if a function succeeds, returns positive (true) and if it fails, returns negative (false).
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Daniel-Constantin Mierla -
Дилян Палаузов