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util: json: use VIR_AUTOFREE instead of VIR_FREE for scalar types

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By making use of GNU C's cleanup attribute handled by the
VIR_AUTOFREE macro for declaring scalar variables, majority
of the VIR_FREE calls 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 23:24:58 +05:30 committed by Erik Skultety
parent b5b5cdd69c
commit b07ee8074e
1 changed files with 14 additions and 35 deletions
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49
src/util/virjson.c
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@ -496,65 +496,50 @@ virJSONValueNewNumber(const char *data)
virJSONValuePtr
virJSONValueNewNumberInt(int data)
{
virJSONValuePtr val = NULL;
char *str;
VIR_AUTOFREE(char *) str = NULL;
if (virAsprintf(&str, "%i", data) < 0)
return NULL;
val = virJSONValueNewNumber(str);
VIR_FREE(str);
return val;
return virJSONValueNewNumber(str);
}
virJSONValuePtr
virJSONValueNewNumberUint(unsigned int data)
{
virJSONValuePtr val = NULL;
char *str;
VIR_AUTOFREE(char *) str = NULL;
if (virAsprintf(&str, "%u", data) < 0)
return NULL;
val = virJSONValueNewNumber(str);
VIR_FREE(str);
return val;
return virJSONValueNewNumber(str);
}
virJSONValuePtr
virJSONValueNewNumberLong(long long data)
{
virJSONValuePtr val = NULL;
char *str;
VIR_AUTOFREE(char *) str = NULL;
if (virAsprintf(&str, "%lld", data) < 0)
return NULL;
val = virJSONValueNewNumber(str);
VIR_FREE(str);
return val;
return virJSONValueNewNumber(str);
}
virJSONValuePtr
virJSONValueNewNumberUlong(unsigned long long data)
{
virJSONValuePtr val = NULL;
char *str;
VIR_AUTOFREE(char *) str = NULL;
if (virAsprintf(&str, "%llu", data) < 0)
return NULL;
val = virJSONValueNewNumber(str);
VIR_FREE(str);
return val;
return virJSONValueNewNumber(str);
}
virJSONValuePtr
virJSONValueNewNumberDouble(double data)
{
virJSONValuePtr val = NULL;
char *str;
VIR_AUTOFREE(char *) str = NULL;
if (virDoubleToStr(&str, data) < 0)
return NULL;
val = virJSONValueNewNumber(str);
VIR_FREE(str);
return val;
return virJSONValueNewNumber(str);
}
@ -1171,10 +1156,9 @@ int
virJSONValueGetArrayAsBitmap(const virJSONValue *val,
virBitmapPtr *bitmap)
{
int ret = -1;
virJSONValuePtr elem;
size_t i;
unsigned long long *elems = NULL;
VIR_AUTOFREE(unsigned long long *) elems = NULL;
unsigned long long maxelem = 0;
*bitmap = NULL;
@ -1191,25 +1175,20 @@ virJSONValueGetArrayAsBitmap(const virJSONValue *val,
if (elem->type != VIR_JSON_TYPE_NUMBER ||
virStrToLong_ullp(elem->data.number, NULL, 10, &elems[i]) < 0)
goto cleanup;
return -1;
if (elems[i] > maxelem)
maxelem = elems[i];
}
if (!(*bitmap = virBitmapNewQuiet(maxelem + 1)))
goto cleanup;
return -1;
/* second pass sets the correct bits in the map */
for (i = 0; i < val->data.array.nvalues; i++)
ignore_value(virBitmapSetBit(*bitmap, elems[i]));
ret = 0;
cleanup:
VIR_FREE(elems);
return ret;
return 0;
}