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authorJoe Hershberger <joe.hershberger@ni.com>2018-07-03 19:36:41 -0500
committerJoe Hershberger <joe.hershberger@ni.com>2018-07-26 14:08:20 -0500
commit16cf145fd659a01c5db7f286e8c9a4700f736920 (patch)
treefbc8049d19041b7d8c4073108e23a5aeb7a11aa6 /net/net.c
parent3855cad62342c3268465bc760e2bd7e6d0ce7f31 (diff)
net: Make copy_filename() accept NULL src
Rather than crashing, check the src ptr and set dst to empty string. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'net/net.c')
-rw-r--r--net/net.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/net.c b/net/net.c
index 42a50e60f8..333102ea79 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1522,12 +1522,12 @@ void net_set_udp_header(uchar *pkt, struct in_addr dest, int dport, int sport,
void copy_filename(char *dst, const char *src, int size)
{
- if (*src && (*src == '"')) {
+ if (src && *src && (*src == '"')) {
++src;
--size;
}
- while ((--size > 0) && *src && (*src != '"'))
+ while ((--size > 0) && src && *src && (*src != '"'))
*dst++ = *src++;
*dst = '\0';
}