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util: Introduce unquote_first_word_and_warn

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It will try to unquot_first_word, but if it runs into escaping problems
it will retry it adding UNQUOTE_CUNESCAPE_RELAX to the flags.  If it
succeeds on the second try, it will log a warning about it.  If it fails
both times, it will log an error.

Add test cases to confirm it behaves as expected.
This commit is contained in:
Filipe Brandenburger
2015-06-17 11:12:12 -07:00
parent d6293c070e
commit b59292b296
3 changed files with 176 additions and 0 deletions
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src/basic/util.h
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@@ -845,6 +845,7 @@ typedef enum UnquoteFlags {
} UnquoteFlags;
int unquote_first_word(const char **p, char **ret, UnquoteFlags flags);
int unquote_first_word_and_warn(const char **p, char **ret, UnquoteFlags flags, const char *unit, const char *filename, unsigned line, const char *rvalue);
int unquote_many_words(const char **p, UnquoteFlags flags, ...) _sentinel_;
int free_and_strdup(char **p, const char *s);