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Implement loader.command

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This is just like loader.perform, except it takes pre-parsed arguments.

Review: https://reviews.freebsd.org/D14448
This commit is contained in:
Warner Losh 2018-02-20 17:28:59 +00:00
parent 7efedde853
commit a83546e591
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=329643
1 changed files with 26 additions and 0 deletions
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26
stand/liblua/lutils.c
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@ -34,6 +34,31 @@ __FBSDID("$FreeBSD$");
#include "lutils.h"
#include "bootstrap.h"
/*
* Like loader.perform, except args are passed already parsed
* on the stack.
*/
static int
lua_command(lua_State *L)
{
int i;
int res = 1;
int argc = lua_gettop(L);
char **argv;
argv = malloc(sizeof(char *) * (argc + 1));
if (argv == NULL)
return 0;
for (i = 0; i < argc; i++)
argv[i] = (char *)(intptr_t)luaL_checkstring(L, i + 1);
argv[argc] = NULL;
res = interp_builtin_cmd(argc, argv);
free(argv);
lua_pushinteger(L, res);
return 1;
}
static int
lua_perform(lua_State *L)
{
@ -213,6 +238,7 @@ lua_readfile(lua_State *L)
#define REG_SIMPLE(n) { #n, lua_ ## n }
static const struct luaL_Reg loaderlib[] = {
REG_SIMPLE(delay),
REG_SIMPLE(command),
REG_SIMPLE(getenv),
REG_SIMPLE(perform),
REG_SIMPLE(printc),