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#include <stdio.h>
#include <string.h>
/* user defined headers */
#include <common-cmds.h>
#include <kvm/util.h>
#include <kvm/kvm-cmd.h>
#include <kvm/builtin-help.h>
#include <kvm/kvm.h>
const char kvm_usage_string[] =
"lkvm COMMAND [ARGS]";
const char kvm_more_info_string[] =
"See 'lkvm help COMMAND' for more information on a specific command.";
static void list_common_cmds_help(void)
{
unsigned int i, longest = 0;
for (i = 0; i < ARRAY_SIZE(common_cmds); i++) {
if (longest < strlen(common_cmds[i].name))
longest = strlen(common_cmds[i].name);
}
puts(" The most commonly used lkvm commands are:");
for (i = 0; i < ARRAY_SIZE(common_cmds); i++) {
printf(" %-*s ", longest, common_cmds[i].name);
puts(common_cmds[i].help);
}
}
static void kvm_help(void)
{
printf("\n To start a simple non-privileged shell run '%s run'\n\n"
"usage: %s\n\n", KVM_BINARY_NAME, kvm_usage_string);
list_common_cmds_help();
printf("\n %s\n\n", kvm_more_info_string);
}
static void help_cmd(const char *cmd)
{
struct cmd_struct *p;
p = kvm_get_command(kvm_commands, cmd);
if (!p)
kvm_help();
else if (p->help)
p->help();
}
int kvm_cmd_help(int argc, const char **argv, const char *prefix)
{
if (!argv || !*argv) {
kvm_help();
return 0;
}
help_cmd(argv[0]);
return 0;
}
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