index f6b3f7e850f9fcf5672031049ef1d6f43e619f63..b1d1d6d791687afc98e273db983b8f8727fcd424 100644 (file)
--- a/attr.c
+++ b/attr.c
static int invalid_attr_name(const char *name, int namelen)
{
/*
- * Attribute name cannot begin with '-' and from
- * [-A-Za-z0-9_.]. We'd specifically exclude '=' for now,
- * as we might later want to allow non-binary value for
- * attributes, e.g. "*.svg merge=special-merge-program-for-svg"
+ * Attribute name cannot begin with '-' and must consist of
+ * characters from [-A-Za-z0-9_.].
*/
- if (*name == '-')
+ if (namelen <= 0 || *name == '-')
return -1;
while (namelen--) {
char ch = *name++;