[libvirt] [PATCH] Use XDG Base Directories instead of storing in home directory

[Daniel P. Berrange]

On Tue, May 01, 2012 at 09:50:31AM -0400, William Jon McCann wrote:
> +static int migrateProfile(void)
> +{
> +    char *old_base = NULL;
> +    char *updated = NULL;
> +    char *home = NULL;
> +    char *xdg_dir = NULL;
> +    char *config_dir = NULL;
> +    int ret = -1;
> +    mode_t old_umask;
> +
> +    if (!(home = virGetUserDirectory(geteuid())))
> +        goto cleanup;
> +
> +    if (virAsprintf(&old_base, "%s/.libvirt", home) < 0) {
> +        goto cleanup;
> +    }
> +
> +    /* if the new directory is there or the old one is not: do nothing */
> +    if (!(config_dir = virGetUserConfigDirectory(geteuid())))
> +        goto cleanup;
> +
> +    if (!virFileIsDir(old_base) || virFileExists(config_dir)) {
> +        goto cleanup;
> +    }
> +
> +    /* test if we already attempted to migrate first */
> +    if (virAsprintf(&updated, "%s/DEPRECATED-DIRECTORY", old_base) < 0) {
> +        goto cleanup;
> +    }
> +    if (virFileExists(updated)) {
> +        goto cleanup;
> +    }
> +
> +    xdg_dir = strdup(getenv("XDG_CONFIG_HOME"));

Opps, segv-tastic - you can't pass a NULL string to strdup().

Bugs aside, I think this patch gets my vote.

Daniel
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