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lib/data.c: avoid memleak if realloc fails

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This commit is contained in:
Rasmus Villemoes 2017-06-08 10:59:21 +02:00
parent 77a4c150bb
commit 8d807b215f
1 changed files with 5 additions and 4 deletions
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9
lib/data.c
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@ -111,15 +111,16 @@ struct nl_data *nl_data_clone(const struct nl_data *src)
int nl_data_append(struct nl_data *data, const void *buf, size_t size)
{
if (size > 0) {
data->d_data = realloc(data->d_data, data->d_size + size);
if (!data->d_data)
void *d_data = realloc(data->d_data, data->d_size + size);
if (!d_data)
return -NLE_NOMEM;
if (buf)
memcpy(data->d_data + data->d_size, buf, size);
memcpy(d_data + data->d_size, buf, size);
else
memset(data->d_data + data->d_size, 0, size);
memset(d_data + data->d_size, 0, size);
data->d_data = d_data;
data->d_size += size;
}