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Introduce helper function empty_string()

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There are ca. 50 constructs of the kind
  same_string(s, "")
to test for empty or null strings. Replace them by the new helper
function empty_string().

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2018-01-07 11:12:48 +01:00 • committed by Lubomir I. Ivanov
parent 86ef9fce75
commit e85ecdd925
21 changed files with 53 additions and 48 deletions
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5
core/dive.h
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@ -38,6 +38,11 @@ static inline bool same_string_caseinsensitive(const char *a, const char *b)
return !strcasecmp(a ?: "", b ?: "");
}
static inline bool empty_string(const char *s)
{
return !s || !*s;
}
static inline bool includes_string_caseinsensitive(const char *haystack, const char *needle)
{
if (!needle)