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qemu-option: Move the implied first name into QemuOptsList 

We sometimes permit omitting the first option name, for example
-device foo is short for -device driver=foo.  The name to use
("driver" in the example) is passed as argument to qemu_opts_parse().
For each QemuOptsList, we use at most one such name.

Move the name into QemuOptsList, and pass whether to permit the
abbreviation.  This ensures continued consistency, and simplifies the
commit after next in this series.
This commit is contained in:
Markus Armbruster 2010-02-10 19:52:18 +01:00
parent 01e7f18869
commit 8212c64f0e
8 changed files with 24 additions and 13 deletions
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2
hw/pci-hotplug.c
View File

@ -54,7 +54,7 @@ static PCIDevice *qemu_pci_hot_add_nic(Monitor *mon,
return NULL;
}
opts = qemu_opts_parse(&qemu_net_opts, opts_str ? opts_str : "", NULL);
opts = qemu_opts_parse(&qemu_net_opts, opts_str ? opts_str : "", 0);
if (!opts) {
monitor_printf(mon, "parsing network options '%s' failed\n",
opts_str ? opts_str : "");

2
hw/qdev.c
View File

@ -767,7 +767,7 @@ void do_device_add(Monitor *mon, const QDict *qdict)
QemuOpts *opts;
opts = qemu_opts_parse(&qemu_device_opts,
qdict_get_str(qdict, "config"), "driver");
qdict_get_str(qdict, "config"), 1);
if (opts) {
if (qdev_device_help(opts) || qdev_device_add(opts) == NULL) {
qemu_opts_del(opts);

2
hw/usb-net.c
View File

@ -1478,7 +1478,7 @@ static USBDevice *usb_net_init(const char *cmdline)
QemuOpts *opts;
int idx;
opts = qemu_opts_parse(&qemu_net_opts, cmdline, NULL);
opts = qemu_opts_parse(&qemu_net_opts, cmdline, 0);
if (!opts) {
return NULL;
}

4
net.c
View File

@ -1159,7 +1159,7 @@ void net_host_device_add(Monitor *mon, const QDict *qdict)
return;
}
opts = qemu_opts_parse(&qemu_net_opts, opts_str ? opts_str : "", NULL);
opts = qemu_opts_parse(&qemu_net_opts, opts_str ? opts_str : "", 0);
if (!opts) {
monitor_printf(mon, "parsing network options '%s' failed\n",
opts_str ? opts_str : "");
@ -1364,7 +1364,7 @@ int net_client_parse(QemuOptsList *opts_list, const char *optarg)
}
#endif
if (!qemu_opts_parse(opts_list, optarg, "type")) {
if (!qemu_opts_parse(opts_list, optarg, 1)) {
return -1;
}

5
qemu-config.c
View File

@ -86,6 +86,7 @@ QemuOptsList qemu_drive_opts = {
QemuOptsList qemu_chardev_opts = {
.name = "chardev",
.implied_opt_name = "backend",
.head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head),
.desc = {
{
@ -152,6 +153,7 @@ QemuOptsList qemu_chardev_opts = {
QemuOptsList qemu_device_opts = {
.name = "device",
.implied_opt_name = "driver",
.head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head),
.desc = {
/*
@ -165,6 +167,7 @@ QemuOptsList qemu_device_opts = {
QemuOptsList qemu_netdev_opts = {
.name = "netdev",
.implied_opt_name = "type",
.head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head),
.desc = {
/*
@ -177,6 +180,7 @@ QemuOptsList qemu_netdev_opts = {
QemuOptsList qemu_net_opts = {
.name = "net",
.implied_opt_name = "type",
.head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head),
.desc = {
/*
@ -227,6 +231,7 @@ QemuOptsList qemu_global_opts = {
QemuOptsList qemu_mon_opts = {
.name = "mon",
.implied_opt_name = "chardev",
.head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
.desc = {
{

7
qemu-option.c
View File

@ -753,12 +753,17 @@ int qemu_opts_do_parse(QemuOpts *opts, const char *params, const char *firstname
return 0;
}
QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, const char *firstname)
QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params,
int permit_abbrev)
{
const char *firstname;
char value[1024], *id = NULL;
const char *p;
QemuOpts *opts;
assert(!permit_abbrev || list->implied_opt_name);
firstname = permit_abbrev ? list->implied_opt_name : NULL;
if (strncmp(params, "id=", 3) == 0) {
get_opt_value(value, sizeof(value), params+3);
id = qemu_strdup(value);

3
qemu-option.h
View File

@ -97,6 +97,7 @@ typedef struct QemuOptDesc {
struct QemuOptsList {
const char *name;
const char *implied_opt_name;
QTAILQ_HEAD(, QemuOpts) head;
QemuOptDesc desc[];
};
@ -118,7 +119,7 @@ const char *qemu_opts_id(QemuOpts *opts);
void qemu_opts_del(QemuOpts *opts);
int qemu_opts_validate(QemuOpts *opts, const QemuOptDesc *desc);
int qemu_opts_do_parse(QemuOpts *opts, const char *params, const char *firstname);
QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, const char *firstname);
QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, int permit_abbrev);
QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const QDict *qdict);
QDict *qemu_opts_to_qdict(QemuOpts *opts, QDict *qdict);

12
vl.c
View File

@ -1813,7 +1813,7 @@ QemuOpts *drive_add(const char *file, const char *fmt, ...)
vsnprintf(optstr, sizeof(optstr), fmt, ap);
va_end(ap);
opts = qemu_opts_parse(&qemu_drive_opts, optstr, NULL);
opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0);
if (!opts) {
fprintf(stderr, "%s: huh? duplicate? (%s)\n",
__FUNCTION__, optstr);
@ -4370,7 +4370,7 @@ static int balloon_parse(const char *arg)
if (!strncmp(arg, "virtio", 6)) {
if (arg[6] == ',') {
/* have params -> parse them */
opts = qemu_opts_parse(&qemu_device_opts, arg+7, NULL);
opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
if (!opts)
return -1;
} else {
@ -5365,7 +5365,7 @@ int main(int argc, char **argv, char **envp)
default_monitor = 0;
break;
case QEMU_OPTION_mon:
opts = qemu_opts_parse(&qemu_mon_opts, optarg, "chardev");
opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
if (!opts) {
fprintf(stderr, "parse error: %s\n", optarg);
exit(1);
@ -5373,7 +5373,7 @@ int main(int argc, char **argv, char **envp)
default_monitor = 0;
break;
case QEMU_OPTION_chardev:
opts = qemu_opts_parse(&qemu_chardev_opts, optarg, "backend");
opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
if (!opts) {
fprintf(stderr, "parse error: %s\n", optarg);
exit(1);
@ -5467,7 +5467,7 @@ int main(int argc, char **argv, char **envp)
add_device_config(DEV_USB, optarg);
break;
case QEMU_OPTION_device:
if (!qemu_opts_parse(&qemu_device_opts, optarg, "driver")) {
if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
exit(1);
}
break;
@ -5576,7 +5576,7 @@ int main(int argc, char **argv, char **envp)
configure_rtc_date_offset(optarg, 1);
break;
case QEMU_OPTION_rtc:
opts = qemu_opts_parse(&qemu_rtc_opts, optarg, NULL);
opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
if (!opts) {
fprintf(stderr, "parse error: %s\n", optarg);
exit(1);