From 72386012200a96f9bb721ab4ddb5a9325c68c5f7 Mon Sep 17 00:00:00 2001 From: Varsha Rao Date: Wed, 20 Sep 2017 21:53:09 +0530 Subject: src: Buffer is null terminated. In _snprintf() functions definition the buffer is null terminated. Signed-off-by: Varsha Rao Signed-off-by: Pablo Neira Ayuso --- src/set_elem.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src/set_elem.c') diff --git a/src/set_elem.c b/src/set_elem.c index 532b33f..a8f88a4 100644 --- a/src/set_elem.c +++ b/src/set_elem.c @@ -696,6 +696,8 @@ static int nftnl_set_elem_cmd_snprintf(char *buf, size_t size, if (type == NFTNL_OUTPUT_XML) return 0; + if (size) + buf[0] = '\0'; ret = nftnl_cmd_header_snprintf(buf + offset, remain, cmd, type, flags); SNPRINTF_BUFFER_SIZE(ret, remain, offset); @@ -724,6 +726,9 @@ int nftnl_set_elem_snprintf(char *buf, size_t size, const struct nftnl_set_elem *e, uint32_t type, uint32_t flags) { + if (size) + buf[0] = '\0'; + return nftnl_set_elem_cmd_snprintf(buf, size, e, nftnl_flag2cmd(flags), type, flags); } @@ -733,6 +738,9 @@ static int nftnl_set_elem_do_snprintf(char *buf, size_t size, const void *e, uint32_t cmd, uint32_t type, uint32_t flags) { + if (size) + buf[0] = '\0'; + return nftnl_set_elem_snprintf(buf, size, e, type, flags); } -- cgit v1.2.3