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Diffstat (limited to 'channels')
-rwxr-xr-xchannels/chan_zap.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index ad9ba471e..7389bfcfe 100755
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -3495,15 +3495,19 @@ static struct ast_frame *zt_handle_event(struct ast_channel *ast)
if (p->zaptrcallerid) {
if (!p->origcid_num) {
p->origcid_num = malloc(strlen(p->cid_num) + 1);
- strncpy(p->origcid_num, p->cid_num, strlen(p->cid_num)); /* safe */
- /* make sure p->origcallerid is terminated */
- p->origcid_num[strlen(p->cid_num)] = '\0';
+ if (p->origcid_num) {
+ strncpy(p->origcid_num, p->cid_num, strlen(p->cid_num)); /* safe */
+ /* make sure p->origcallerid is terminated */
+ p->origcid_num[strlen(p->cid_num)] = '\0';
+ }
}
if (!p->origcid_name) {
p->origcid_name = malloc(strlen(p->cid_name) + 1);
- strncpy(p->origcid_name, p->cid_name, strlen(p->cid_name)); /* safe */
- /* make sure p->origcallerid is terminated */
- p->origcid_name[strlen(p->cid_name)] = '\0';
+ if (p->origcid_name) {
+ strncpy(p->origcid_name, p->cid_name, strlen(p->cid_name)); /* safe */
+ /* make sure p->origcallerid is terminated */
+ p->origcid_name[strlen(p->cid_name)] = '\0';
+ }
}
strncpy(p->cid_num, cid_num, sizeof(p->cid_num) -1);
strncpy(p->cid_name, cid_name, sizeof(p->cid_name) -1);