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unref: Guard against NULL lwc_strings #2

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Merged
tlsa merged 1 commit into from
Nov 29, 2025
Merged

unref: Guard against NULL lwc_strings #2

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16 changes: 9 additions & 7 deletions include/libwapcaplet/libwapcaplet.h
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Original file line number Diff line number Diff line change
Expand Up @@ -156,13 +156,15 @@ lwc_string_ref(lwc_string *str)
* freed. (Ref count of 1 where string is its own insensitve match
* will also result in the string being freed.)
*/
#define lwc_string_unref(str) { \
lwc_string *__lwc_s = (str); \
assert(__lwc_s != NULL); \
__lwc_s->refcnt--; \
if ((__lwc_s->refcnt == 0) || \
((__lwc_s->refcnt == 1) && (__lwc_s->insensitive == __lwc_s))) \
lwc_string_destroy(__lwc_s); \
#define lwc_string_unref(str) { \
lwc_string *__lwc_s = (str); \
if (__lwc_s != NULL) { \
__lwc_s->refcnt--; \
if ((__lwc_s->refcnt == 0) || \
((__lwc_s->refcnt == 1) && \
(__lwc_s->insensitive == __lwc_s))) \
lwc_string_destroy(__lwc_s); \
} \
}

/**
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