diff options
| author | Varsha Rao <rvarsha016@gmail.com> | 2017-09-20 21:53:09 +0530 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2017-09-27 14:04:00 +0200 |
| commit | 72386012200a96f9bb721ab4ddb5a9325c68c5f7 (patch) | |
| tree | d8ddea63dba57671d2edbf4a34850d5f9613e567 /src/ruleset.c | |
| parent | 676ea569bbe5abf750d9ed516f35c017efbdce5f (diff) | |
src: Buffer is null terminated.
In _snprintf() functions definition the buffer is null terminated.
Signed-off-by: Varsha Rao <rvarsha016@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/ruleset.c')
| -rw-r--r-- | src/ruleset.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/ruleset.c b/src/ruleset.c index 1f20cc5..cc43866 100644 --- a/src/ruleset.c +++ b/src/ruleset.c @@ -846,6 +846,9 @@ nftnl_ruleset_do_snprintf(char *buf, size_t size, const struct nftnl_ruleset *rs void *prev = NULL; uint32_t inner_flags = flags; + if (size) + buf[0] = '\0'; + /* dont pass events flags to child calls of _snprintf() */ inner_flags &= ~NFTNL_OF_EVENT_ANY; @@ -919,6 +922,9 @@ static int nftnl_ruleset_cmd_snprintf(char *buf, size_t size, const struct nftnl_ruleset *r, uint32_t cmd, uint32_t type, uint32_t flags) { + if (size) + buf[0] = '\0'; + switch (type) { case NFTNL_OUTPUT_DEFAULT: case NFTNL_OUTPUT_JSON: @@ -933,6 +939,9 @@ static int nftnl_ruleset_cmd_snprintf(char *buf, size_t size, int nftnl_ruleset_snprintf(char *buf, size_t size, const struct nftnl_ruleset *r, uint32_t type, uint32_t flags) { + if (size) + buf[0] = '\0'; + switch (type) { case NFTNL_OUTPUT_DEFAULT: case NFTNL_OUTPUT_JSON: |