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-rw-r--r--src/xplist.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/xplist.c b/src/xplist.c
index 29b1284..739b5ab 100644
--- a/src/xplist.c
+++ b/src/xplist.c
@@ -293,7 +293,10 @@ static void node_to_xml(node_t* node, bytearray_t **outbuf, uint32_t depth)
uint32_t maxread = ((76 - indent*8) / 4) * 3;
size_t count = 0;
size_t b64count = 0;
- str_buf_grow(*outbuf, (node_data->length / 3 * 4) + 4 + (((node_data->length / maxread) + 1) * (indent+1)));
+ size_t amount = (node_data->length / 3 * 4) + 4 + (((node_data->length / maxread) + 1) * (indent+1));
+ if ((*outbuf)->len + amount > (*outbuf)->capacity) {
+ str_buf_grow(*outbuf, amount);
+ }
while (j < node_data->length) {
for (i = 0; i < indent; i++) {
str_buf_append(*outbuf, "\t", 1);