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properties: setf with NULL format is like remove

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This commit is contained in:
Wim Taymans 2019-09-30 10:41:31 +02:00
parent df495b5a8e
commit 96ac81958b
1 changed files with 6 additions and 2 deletions
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8
src/pipewire/properties.c
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@ -349,8 +349,9 @@ SPA_EXPORT
int pw_properties_setva(struct pw_properties *properties, int pw_properties_setva(struct pw_properties *properties,
const char *key, const char *format, va_list args) const char *key, const char *format, va_list args)
{ {
char *value; char *value = NULL;
vasprintf(&value, format, args); if (format != NULL)
vasprintf(&value, format, args);
return do_replace(properties, key, value, false); return do_replace(properties, key, value, false);
} }
@ -360,6 +361,9 @@ int pw_properties_setva(struct pw_properties *properties,
* \param key a key * \param key a key
* \param format a value * \param format a value
* \param ... extra arguments * \param ... extra arguments
* \return 1 if the property was changed. 0 if nothing was changed because
* the property already existed with the same value or because the key to remove
* did not exist.
* *
* Set the property in \a properties with \a key to the value in printf style \a format * Set the property in \a properties with \a key to the value in printf style \a format
* Any previous value of \a key will be overwritten. * Any previous value of \a key will be overwritten.