qemu/util/id.c

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/*
* Dealing with identifiers
*
* Copyright (C) 2014 Red Hat, Inc.
*
* Authors:
* Markus Armbruster <armbru@redhat.com>,
*
* This work is licensed under the terms of the GNU LGPL, version 2.1
* or later. See the COPYING.LIB file in the top-level directory.
*/
#include "qemu-common.h"
bool id_wellformed(const char *id)
{
int i;
if (!qemu_isalpha(id[0])) {
return false;
}
for (i = 1; id[i]; i++) {
if (!qemu_isalnum(id[i]) && !strchr("-._", id[i])) {
return false;
}
}
return true;
}