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QemuOpts: dump config.

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Add a function to write the QemuOpts configuration to a git-style
config file.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2009-10-14 10:39:26 +02:00 committed by Anthony Liguori
parent ddc978550d
commit 9d993394a1
2 changed files with 41 additions and 0 deletions
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39
qemu-config.c
View File

@ -257,3 +257,42 @@ int qemu_set_option(const char *str)
return 0; return 0;
} }
struct ConfigWriteData {
QemuOptsList *list;
FILE *fp;
};
static int config_write_opt(const char *name, const char *value, void *opaque)
{
struct ConfigWriteData *data = opaque;
fprintf(data->fp, " %s = \"%s\"\n", name, value);
return 0;
}
static int config_write_opts(QemuOpts *opts, void *opaque)
{
struct ConfigWriteData *data = opaque;
const char *id = qemu_opts_id(opts);
if (id) {
fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id);
} else {
fprintf(data->fp, "[%s]\n", data->list->name);
}
qemu_opt_foreach(opts, config_write_opt, data, 0);
fprintf(data->fp, "\n");
return 0;
}
void qemu_config_write(FILE *fp)
{
struct ConfigWriteData data = { .fp = fp };
int i;
fprintf(fp, "# qemu config file\n\n");
for (i = 0; lists[i] != NULL; i++) {
data.list = lists[i];
qemu_opts_foreach(data.list, config_write_opts, &data, 0);
}
}

2
qemu-config.h
View File

@ -10,4 +10,6 @@ extern QemuOptsList qemu_rtc_opts;
int qemu_set_option(const char *str); int qemu_set_option(const char *str);
void qemu_config_write(FILE *fp);
#endif /* QEMU_CONFIG_H */ #endif /* QEMU_CONFIG_H */