glsl/cl: Prevent possible buffer overflow.

diff --git a/src/glsl/cl/sl_cl_parse.c b/src/glsl/cl/sl_cl_parse.c
index 2291ec220046a560f12acc2ad1d0f7aa3247ccd1..9a20509fc66759fe61d4c801457eb27717d90a31 100644 (file)
--- a/src/glsl/cl/sl_cl_parse.c
+++ b/src/glsl/cl/sl_cl_parse.c
@@ -2949,7 +2949,8 @@ sl_cl_compile(struct sl_pp_context *context,
    ctx.tokens_read = 0;
    ctx.tokens = malloc(ctx.tokens_cap * sizeof(struct sl_pp_token_info));
    if (!ctx.tokens) {
-      strncpy(error, "out of memory", cberror);
+      strncpy(error, "out of memory", cberror - 1);
+      error[cberror - 1] = '\0';
       return -1;
    }