static int Paug_load(lua_State *L)
{
augeas *a = Paug_checkarg(L, 1);
return pushresult(L, aug_load(a), a, NULL);
}
static int f_flush (lua_State *L) {
return pushresult(L, fflush(tofile(L)) == 0, NULL);
}
static void io_rename (void)
{
pushresult(rename(luaL_check_string(1),
luaL_check_string(2)) == 0);
}
/*
** function to close 'popen' files
*/
static int io_pclose (lua_State *L) {
FILE **p = tofilep(L);
int ok = lua_pclose(L, *p);
*p = NULL;
return pushresult(L, ok, NULL);
}
static int io_tmpfile (lua_State *L) {
FILE **pf = newfile(L);
*pf = tmpfile();
return (*pf == NULL) ? pushresult(L, 0, NULL) : 1;
}
static int io_remove (lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
SAFE_CHECK_FILE_DATA(L, 1);
return pushresult(L, remove(filename) == 0, filename);
}
static int io_rename (lua_State *L) {
return pushresult(L, rename(luaL_check_string(L, 1),
luaL_check_string(L, 2)) == 0);
}
static int Pwait(lua_State *L) /** wait([pid]) */
{
pid_t pid = luaL_optint(L, 1, -1);
return pushresult(L, waitpid(pid, NULL, 0), NULL);
}
static int Psetgid(lua_State *L) /** setgid(name or id) */
{
return pushresult(L, setgid(mygetgid(L, 1)), NULL);
}
/*
** function to close 'popen' files
*/
static int pipe_close (lua_State *L) {
FILE **p = tofilep(L);
int ok = fclose(*p);
*p = NULL;
return pushresult(L, ok, NULL);
}
static int Psymlink(lua_State *L) /** symlink(oldpath,newpath) */
{
const char *oldpath = luaL_checkstring(L, 1);
const char *newpath = luaL_checkstring(L, 2);
return pushresult(L, symlink(oldpath, newpath), NULL);
}
/***
Fork this program.
@function fork
@treturn[1] int `0` in the resulting child process
@treturn[2] int process id of child, in the calling process
@return[3] nil
@treturn[3] string error message
@treturn[3] int errnum
@see fork(2)
@see fork.lua
@see fork2.lua
@usage
local unistd = require "posix.unistd"
local pid, errmsg = unistd.fork ()
if pid == nil then
error (errmsg)
elseif pid == 0 then
print ("in child:", unistd.getpid "pid")
else
print (require "posix.sys.wait".wait (pid))
end
os.exit ()
*/
static int
Pfork(lua_State *L)
{
checknargs(L, 0);
return pushresult(L, fork(), NULL);
}
/***
Get id of foreground process group of terminal *fd*.
@function tcgetpgrp
@int fd the file descriptor of the controlling terminal of the current process
@treturn[1] int id of foreground process group
@return[2] nil
@treturn[2] string error message
@treturn[2] int errnum
@see tcgetpgrp(2)
*/
static int
Ptcgetpgrp(lua_State *L)
{
int fd = checkint(L, 1);
return pushresult(L, tcgetpgrp(fd), NULL);
}
/***
Get a message queue identifier
@function msgget
@int key message queue id, or `IPC_PRIVATE` for a new queue
@int[opt=0] flags bitwise OR of zero or more from `IPC_CREAT` and `IPC_EXCL`,
and access permissions `S_IRUSR`, `S_IWUSR`, `S_IRGRP`, `S_IWGRP`, `S_IROTH`
and `S_IWOTH` (from @{posix.sys.stat})
@treturn[1] int message queue identifier, if successful
@return[2] nil
@treturn[2] string error message
@treturn[2] int errnum
@see msgget(2)
*/
static int
Pmsgget(lua_State *L)
{
checknargs (L, 2);
return pushresult(L, msgget(checkint(L, 1), optint(L, 2, 0)), "msgget");
}
static int io_flush (lua_State *L) {
SAFE_CHECK_FILE_MOD(L);
return pushresult(L, fflush(getiofile(L, IO_OUTPUT)) == 0, NULL);
}
static int io_remove (lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
// return pushresult(L, remove(filename) == 0, filename);
return pushresult(L, 0, filename);
}
static int f_flush (lua_State *L) {
SAFE_CHECK_FILE_MOD(L);
return pushresult(L, fflush(tofile(L, 1)) == 0, NULL);
}
static int io_rename (lua_State *L) {
const char *fromname = luaL_checkstring(L, 1);
const char *toname = luaL_checkstring(L, 2);
// return pushresult(L, rename(fromname, toname) == 0, fromname);
return pushresult(L, 0, fromname);
}
static int io_close (lua_State *L) {
IOCtrl *ctrl = (IOCtrl *)lua_touserdata(L, -1);
lua_pop(L, 1); /* remove upvalue */
return pushresult(L, closefile(L, ctrl, getnonullfile(L, ctrl, 1)));
}
static int Prmdir(lua_State *L) /** rmdir(path) */
{
const char *path = luaL_checkstring(L, 1);
return pushresult(L, rmdir(path), path);
}
/***
Get and set options on sockets.
@function setsockopt
@int fd socket descriptor
@int level one of `SOL_SOCKET`, `IPPROTO_IPV6`, `IPPROTO_TCP`
@int name option name, varies according to `level` value
@param value1 option value to set
@param[opt] value2 some option *name*s need an additional value
@treturn[1] int `0`, if successful
@return[2] nil
@treturn[2] string error message
@treturn[2] int errnum
@see setsockopt(2)
@usage ok, errmsg = P.setsockopt (sock, P.SOL_SOCKET, P.SO_SNDTIMEO, 1, 0)
*/
static int
Psetsockopt(lua_State *L)
{
int fd = checkint(L, 1);
int level = checkint(L, 2);
int optname = checkint(L, 3);
struct linger linger;
struct timeval tv;
struct ipv6_mreq mreq6;
#ifdef SO_BINDTODEVICE
struct ifreq ifr;
#endif
int vint = 0;
void *val = NULL;
socklen_t len = sizeof(vint);
switch (level)
{
case SOL_SOCKET:
switch (optname)
{
case SO_LINGER:
checknargs(L, 5);
linger.l_onoff = checkint(L, 4);
linger.l_linger = checkint(L, 5);
val = &linger;
len = sizeof(linger);
break;
case SO_RCVTIMEO:
case SO_SNDTIMEO:
checknargs(L, 5);
tv.tv_sec = checkint(L, 4);
tv.tv_usec = checkint(L, 5);
val = &tv;
len = sizeof(tv);
break;
#ifdef SO_BINDTODEVICE
case SO_BINDTODEVICE:
checknargs(L, 4);
strlcpy(ifr.ifr_name, luaL_checkstring(L, 4), IFNAMSIZ);
val = 𝔦
len = sizeof(ifr);
#endif
default:
checknargs(L, 4);
break;
}
break;
#if defined IPV6_JOIN_GROUP && defined IPV6_LEAVE_GROUP
case IPPROTO_IPV6:
switch (optname)
{
case IPV6_JOIN_GROUP:
case IPV6_LEAVE_GROUP:
checknargs(L, 4);
memset(&mreq6, 0, sizeof mreq6);
inet_pton(AF_INET6, luaL_checkstring(L, 4), &mreq6.ipv6mr_multiaddr);
val = &mreq6;
len = sizeof(mreq6);
break;
default:
checknargs(L, 4);
break;
}
break;
#endif
case IPPROTO_TCP:
switch (optname)
{
default:
checknargs(L, 4);
break;
}
break;
default:
break;
}
/* Default fallback to int if no specific handling of type above */
if (val == NULL)
{
vint = checkint(L, 4);
val = &vint;
len = sizeof(vint);
}
return pushresult(L, setsockopt(fd, level, optname, val, len), "setsockopt");
}
static int Punlink(lua_State *L) /** unlink(path) */
{
const char *path = luaL_checkstring(L, 1);
return pushresult(L, unlink(path), path);
}
/*
** function to close regular files
*/
static int io_fclose (lua_State *L) {
FILE **p = tofilep(L);
int ok = (fclose(*p) == 0);
*p = NULL;
return pushresult(L, ok, NULL);
}
static int Pfileno(lua_State *L) /** fileno(filehandle) */
{
FILE *f = *(FILE**) luaL_checkudata(L, 1, LUA_FILEHANDLE);
return pushresult(L, fileno(f), NULL);
}
static int io_flush (lua_State *L) {
return pushresult(L, fflush(getiofile(L, IO_OUTPUT)) == 0, NULL);
}
static int Pfork(lua_State *L) /** fork() */
{
return pushresult(L, fork(), NULL);
}
static void io_remove (void)
{
pushresult(remove(luaL_check_string(1)) == 0);
}
static int Pkill(lua_State *L) /** kill(pid,[sig]) */
{
pid_t pid = luaL_checkint(L, 1);
int sig = luaL_optint(L, 2, SIGTERM);
return pushresult(L, kill(pid, sig), NULL);
}
static int Pmkdir(lua_State *L) /** mkdir(path) */
{
const char *path = luaL_checkstring(L, 1);
return pushresult(L, mkdir(path, 0777), path);
}
static int Paug_matches(lua_State *L)
{
augeas *a = Paug_checkarg(L, 1);
const char *path = luaL_checkstring(L, 2);
return pushresult(L, aug_match(a, path, NULL), a, path);
}
