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>
diff --git a/net/net.c b/net/net.c
index 42a50e6..333102e 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1522,12 +1522,12 @@
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';
}