cmdline: fix overflow on bsd

[dpdk.git] / lib / librte_cmdline / cmdline_parse_portlist.c

diff --git a/lib/librte_cmdline/cmdline_parse_portlist.c b/lib/librte_cmdline/cmdline_parse_portlist.c
index 7eac05c..834f2e6 100644 (file)
--- a/lib/librte_cmdline/cmdline_parse_portlist.c
+++ b/lib/librte_cmdline/cmdline_parse_portlist.c
@@ -127,7 +127,7 @@ parse_ports(cmdline_portlist_t * pl, const char * str)
 
 int
 cmdline_parse_portlist(__attribute__((unused)) cmdline_parse_token_hdr_t *tk,
-               const char *buf, void *res)
+       const char *buf, void *res, unsigned ressize)
 {
        unsigned int token_len = 0;
        char portlist_str[PORTLIST_TOKEN_SIZE+1];
@@ -136,6 +136,9 @@ cmdline_parse_portlist(__attribute__((unused)) cmdline_parse_token_hdr_t *tk,
        if (!buf || ! *buf)
                return (-1);
 
+       if (res && ressize < PORTLIST_TOKEN_SIZE)
+               return -1;
+
        pl = res;
 
        while (!cmdline_isendoftoken(buf[token_len]) &&