svc_encodeframe.c: fix -Wstringop-truncation

use sizeof(buf) - 1 with strncpy.

fixes:
examples/svc_encodeframe.c:282:3: warning: ‘strncpy’ specified bound
1024 equals destination size [-Wstringop-truncation]
  282 |   strncpy(si->options, options, sizeof(si->options));
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Change-Id: I46980872f9865ae1dc2b56330c3a65d8bc6cf1f7

diff --git a/examples/svc_encodeframe.c b/examples/svc_encodeframe.c
index 003096e..c2b3ec9 100644 (file)
--- a/examples/svc_encodeframe.c
+++ b/examples/svc_encodeframe.c
@@ -279,7 +279,7 @@ vpx_codec_err_t vpx_svc_set_options(SvcContext *svc_ctx, const char *options) {
   if (svc_ctx == NULL || options == NULL || si == NULL) {
     return VPX_CODEC_INVALID_PARAM;
   }
-  strncpy(si->options, options, sizeof(si->options));
+  strncpy(si->options, options, sizeof(si->options) - 1);
   si->options[sizeof(si->options) - 1] = '\0';
   return VPX_CODEC_OK;
 }