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CODING_STYLE: don't clobber arguments on failure

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This commit is contained in:
Lennart Poettering 2014-10-27 18:09:07 +01:00
parent dbfd41e2df
commit 7f8bf08f90
1 changed files with 5 additions and 1 deletions
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6
CODING_STYLE
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@ -182,7 +182,11 @@
is_main_thread() to detect whether the calling thread is the main
thread.
- Option parsing:
- Command line option parsing:
- Do not print full help() on error, be specific about the error.
- Do not print messages to stdout on error.
- Do not POSIX_ME_HARDER unless necessary, i.e. avoid "+" in option string.
- Do not write functions that clobber call-by-reference variables on
failure. Use temporary variables for these cases and change the
passed in variables only on success.