HelenOS sources
This source file includes following definitions.
- is_builtin
- is_builtin_alias
- alias_for_builtin
- help_builtin
- run_builtin
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <str.h>
#include "errors.h"
#include "cmds.h"
#include "builtin_aliases.h"
#include "scli.h"
extern volatile unsigned int cli_interactive;
int is_builtin(const char *command)
{
builtin_t *cmd;
unsigned int i = 0;
if (NULL == command)
return -2;
for (cmd = builtins; cmd->name != NULL; cmd++, i++) {
if (!str_cmp(cmd->name, command))
return i;
}
return -1;
}
int is_builtin_alias(const char *command)
{
unsigned int i = 0;
if (NULL == command)
return -1;
for (i = 0; builtin_aliases[i] != NULL; i += 2) {
if (!str_cmp(builtin_aliases[i], command))
return 1;
}
return 0;
}
char *alias_for_builtin(const char *command)
{
unsigned int i = 0;
if (NULL == command)
return (char *)NULL;
for (i = 0; builtin_aliases[i] != NULL; i += 2) {
if (!str_cmp(builtin_aliases[i], command))
return (char *)builtin_aliases[i + 1];
}
return (char *)NULL;
}
int help_builtin(int builtin, unsigned int extended)
{
builtin_t *cmd = builtins;
cmd += builtin;
if (NULL != cmd->help) {
cmd->help(extended);
return CL_EOK;
} else {
return CL_ENOENT;
}
}
int run_builtin(int builtin, char *argv[], cliuser_t *usr, iostate_t *new_iostate)
{
int rc;
builtin_t *cmd = builtins;
cmd += builtin;
iostate_t *old_iostate = get_iostate();
set_iostate(new_iostate);
if (NULL != cmd->entry) {
rc = ((int)cmd->entry(argv, usr));
} else {
rc = CL_ENOENT;
}
set_iostate(old_iostate);
return rc;
}
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