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config_set_string: simplify

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This commit is contained in:
twinaphex 2020-08-24 21:25:55 +02:00
parent a954118faf
commit b681b2af49
1 changed files with 29 additions and 22 deletions
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51
libretro-common/file/config_file.c
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@ -968,39 +968,46 @@ void config_set_string(config_file_t *conf, const char *key, const char *val)
if (!conf || !key || !val) if (!conf || !key || !val)
return; return;
last = (conf->guaranteed_no_duplicates && conf->last) ? last = conf->entries;
conf->last : conf->entries;
entry = conf->guaranteed_no_duplicates ?
NULL : config_get_entry(conf, key, &last);
if (entry) if (conf->guaranteed_no_duplicates)
{ {
/* An entry corresponding to 'key' already exists if (conf->last)
* > Check if it's read only */ last = conf->last;
if (entry->readonly) }
return; else
{
entry = config_get_entry(conf, key, &last);
/* Check whether value is currently set */ if (entry)
if (entry->value)
{ {
/* Do nothing if value is unchanged */ /* An entry corresponding to 'key' already exists
if (string_is_equal(entry->value, val)) * > Check if it's read only */
if (entry->readonly)
return; return;
/* Value is to be updated /* Check whether value is currently set */
* > Free existing */ if (entry->value)
free(entry->value); {
} /* Do nothing if value is unchanged */
if (string_is_equal(entry->value, val))
return;
/* Update value */ /* Value is to be updated
entry->value = strdup(val); * > Free existing */
conf->modified = true; free(entry->value);
return; }
/* Update value */
entry->value = strdup(val);
conf->modified = true;
return;
}
} }
/* Entry corresponding to 'key' does not exist /* Entry corresponding to 'key' does not exist
* > Create new entry */ * > Create new entry */
entry = (struct config_entry_list*)malloc(sizeof(*entry)); entry = (struct config_entry_list*)malloc(sizeof(*entry));
if (!entry) if (!entry)
return; return;