isl_stream_new_str: check result of allocation

diff --git a/isl_stream.c b/isl_stream.c
index 3629610..c917fb8 100644 (file)
--- a/isl_stream.c
+++ b/isl_stream.c
@@ -140,9 +140,11 @@ struct isl_stream* isl_stream_new_file(struct isl_ctx *ctx, FILE *file)
 
 struct isl_stream* isl_stream_new_str(struct isl_ctx *ctx, const char *str)
 {
-    struct isl_stream *s = isl_stream_new(ctx);
-    s->str = str;
-    return s;
+       struct isl_stream *s = isl_stream_new(ctx);
+       if (!s)
+               return NULL;
+       s->str = str;
+       return s;
 }
 
 static int isl_stream_getc(struct isl_stream *s)