Support empty scripts

diff --git a/librazor/rpm.c b/librazor/rpm.c
index a46a979..87f910c 100644 (file)
--- a/librazor/rpm.c
+++ b/librazor/rpm.c
@@ -914,7 +914,7 @@ run_script_external(const char *root, const char *program, const char *script)
        if (!fp) {
                perror(program);
                retval = -1;
-       } else if (fwrite(script, strlen(script), 1, fp) != 1) {
+       } else if (script && fwrite(script, strlen(script), 1, fp) != 1) {
                perror("failed to write script to program");
                retval = -1;
        } else