Commit 0dd6c526 authored by Kevin Wolf's avatar Kevin Wolf
Browse files

QemuOpts: Add qemu_opt_unset() 



Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
Reviewed-by: default avatarEric Blake <eblake@redhat.com>
parent 74fe54f2

include/qemu/option.h

+1 −0
Original line number Diff line number Diff line
@@ -120,6 +120,7 @@ bool qemu_opt_has_help_opt(QemuOpts *opts); 
bool qemu_opt_get_bool(QemuOpts *opts, const char *name, bool defval);

uint64_t qemu_opt_get_number(QemuOpts *opts, const char *name, uint64_t defval);

uint64_t qemu_opt_get_size(QemuOpts *opts, const char *name, uint64_t defval);

int qemu_opt_unset(QemuOpts *opts, const char *name);

int qemu_opt_set(QemuOpts *opts, const char *name, const char *value);

void qemu_opt_set_err(QemuOpts *opts, const char *name, const char *value,

                      Error **errp);

util/qemu-option.c

+14 −0
Original line number Diff line number Diff line
@@ -593,6 +593,20 @@ static const QemuOptDesc *find_desc_by_name(const QemuOptDesc *desc, 
    return NULL;

}



int qemu_opt_unset(QemuOpts *opts, const char *name)

{

    QemuOpt *opt = qemu_opt_find(opts, name);



    assert(opts_accepts_any(opts));



    if (opt == NULL) {

        return -1;

    } else {

        qemu_opt_del(opt);

        return 0;

    }

}



static void opt_set(QemuOpts *opts, const char *name, const char *value,

                    bool prepend, Error **errp)

{