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virJSONValueNewNumber: Take ownership of passed string

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Avoid pointless copies of temporary strings when constructing number
JSON objects.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Peter Krempa 2021-02-12 14:34:16 +01:00
parent 395ecd7a8c
commit 6b12e220b0
1 changed files with 17 additions and 19 deletions
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36
src/util/virjson.c
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@ -464,15 +464,22 @@ virJSONValueNewStringLen(const char *data,
}
/**
* virJSONValueNewNumber:
* @data: string representing the number
*
* Creates a new virJSONValue of VIR_JSON_TYPE_NUMBER type. Note that this
* function takes ownership of @data.
*/
static virJSONValuePtr
virJSONValueNewNumber(const char *data)
virJSONValueNewNumber(char *data)
{
virJSONValuePtr val;
val = g_new0(virJSONValue, 1);
val->type = VIR_JSON_TYPE_NUMBER;
val->data.number = g_strdup(data);
val->data.number = data;
return val;
}
@ -481,43 +488,35 @@ virJSONValueNewNumber(const char *data)
virJSONValuePtr
virJSONValueNewNumberInt(int data)
{
g_autofree char *str = NULL;
str = g_strdup_printf("%i", data);
return virJSONValueNewNumber(str);
return virJSONValueNewNumber(g_strdup_printf("%i", data));
}
virJSONValuePtr
virJSONValueNewNumberUint(unsigned int data)
{
g_autofree char *str = NULL;
str = g_strdup_printf("%u", data);
return virJSONValueNewNumber(str);
return virJSONValueNewNumber(g_strdup_printf("%u", data));
}
virJSONValuePtr
virJSONValueNewNumberLong(long long data)
{
g_autofree char *str = NULL;
str = g_strdup_printf("%lld", data);
return virJSONValueNewNumber(str);
return virJSONValueNewNumber(g_strdup_printf("%lld", data));
}
virJSONValuePtr
virJSONValueNewNumberUlong(unsigned long long data)
{
g_autofree char *str = NULL;
str = g_strdup_printf("%llu", data);
return virJSONValueNewNumber(str);
return virJSONValueNewNumber(g_strdup_printf("%llu", data));
}
virJSONValuePtr
virJSONValueNewNumberDouble(double data)
{
g_autofree char *str = NULL;
char *str = NULL;
if (virDoubleToStr(&str, data) < 0)
return NULL;
return virJSONValueNewNumber(str);
@ -1533,7 +1532,7 @@ virJSONValueCopy(const virJSONValue *in)
out = virJSONValueNewString(in->data.string);
break;
case VIR_JSON_TYPE_NUMBER:
out = virJSONValueNewNumber(in->data.number);
out = virJSONValueNewNumber(g_strdup(in->data.number));
break;
case VIR_JSON_TYPE_BOOLEAN:
out = virJSONValueNewBoolean(in->data.boolean);
@ -1638,10 +1637,9 @@ virJSONParserHandleNumber(void *ctx,
size_t l)
{
virJSONParserPtr parser = ctx;
g_autofree char *str = g_strndup(s, l);
g_autoptr(virJSONValue) value = virJSONValueNewNumber(str);
g_autoptr(virJSONValue) value = virJSONValueNewNumber(g_strndup(s, l));
VIR_DEBUG("parser=%p str=%s", parser, str);
VIR_DEBUG("parser=%p str=%s", parser, value->data.number);
if (virJSONParserInsertValue(parser, value) < 0)
return 0;