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util: json: use VIR_AUTOPTR for aggregate types

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By making use of GNU C's cleanup attribute handled by the
VIR_AUTOPTR macro for declaring aggregate pointer variables,
majority of the calls to *Free functions can be dropped, which
in turn leads to getting rid of most of our cleanup sections.

Signed-off-by: Sukrit Bhatnagar <skrtbhtngr@gmail.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
This commit is contained in:
Sukrit Bhatnagar 2018-07-13 23:24:59 +05:30 committed by Erik Skultety
parent b07ee8074e
commit c450b55a65
1 changed files with 5 additions and 13 deletions
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18
src/util/virjson.c
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@ -1786,7 +1786,7 @@ virJSONValueFromString(const char *jsonstring)
size_t len = strlen(jsonstring);
# ifndef WITH_YAJL2
yajl_parser_config cfg = { 0, 1 }; /* Match yajl 2 default behavior */
virJSONValuePtr tmp;
VIR_AUTOPTR(virJSONValue) tmp = NULL;
# endif
VIR_DEBUG("string=%s", jsonstring);
@ -1850,7 +1850,6 @@ virJSONValueFromString(const char *jsonstring)
jsonstring);
else
ret = virJSONValueArraySteal(tmp, 0);
virJSONValueFree(tmp);
# endif
}
@ -2023,16 +2022,12 @@ char *
virJSONStringReformat(const char *jsonstr,
bool pretty)
{
virJSONValuePtr json;
char *ret;
VIR_AUTOPTR(virJSONValue) json = NULL;
if (!(json = virJSONValueFromString(jsonstr)))
return NULL;
ret = virJSONValueToString(json, pretty);
virJSONValueFree(json);
return ret;
return virJSONValueToString(json, pretty);
}
@ -2121,7 +2116,7 @@ virJSONValueObjectDeflattenWorker(const char *key,
virJSONValuePtr
virJSONValueObjectDeflatten(virJSONValuePtr json)
{
virJSONValuePtr deflattened;
VIR_AUTOPTR(virJSONValue) deflattened = NULL;
virJSONValuePtr ret = NULL;
if (!(deflattened = virJSONValueNewObject()))
@ -2130,12 +2125,9 @@ virJSONValueObjectDeflatten(virJSONValuePtr json)
if (virJSONValueObjectForeachKeyValue(json,
virJSONValueObjectDeflattenWorker,
deflattened) < 0)
goto cleanup;
return NULL;
VIR_STEAL_PTR(ret, deflattened);
cleanup:
virJSONValueFree(deflattened);
return ret;
}