@@ -795,8 +795,9 @@ int nfexp_catch(struct nfct_handle *h)
* - NFEXP_O_LAYER: include layer 3 information in the output, this is
* *only* required by NFEXP_O_DEFAULT.
*
- * On error, -1 is returned and errno is set appropiately. Otherwise,
- * 0 is returned.
+ * On error, -1 is returned and errno is set appropiately. Otherwise the
+ * size of what _would_ be written is returned, even if the size of the
+ * buffer is insufficient. This behaviour is similar to snprintf.
*/
int nfexp_snprintf(char *buf,
unsigned int size,
The docs currently say "[...] Otherwise, 0 is returned." which is just completely wrong. Just like nfct_snprintf the expected buffer size is returned. Signed-off-by: Daniel Gröber <dxld@darkboxed.org> --- src/expect/api.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)