Fix io.close().

Reported by farmboy0.
master
Mike Pall 2021-07-22 02:33:04 +02:00
parent 81a797373f
commit 8430f774e6
1 changed files with 11 additions and 9 deletions

View File

@ -58,12 +58,12 @@ static IOFileUD *io_tofile(lua_State *L)
return iof;
}
static FILE *io_stdfile(lua_State *L, ptrdiff_t id)
static IOFileUD *io_stdfile(lua_State *L, ptrdiff_t id)
{
IOFileUD *iof = IOSTDF_IOF(L, id);
if (iof->fp == NULL)
lj_err_caller(L, LJ_ERR_IOSTDCL);
return iof->fp;
return iof;
}
static IOFileUD *io_file_new(lua_State *L)
@ -187,8 +187,9 @@ static int io_file_readlen(lua_State *L, FILE *fp, MSize m)
}
}
static int io_file_read(lua_State *L, FILE *fp, int start)
static int io_file_read(lua_State *L, IOFileUD *iof, int start)
{
FILE *fp = iof->fp;
int ok, n, nargs = (int)(L->top - L->base) - start;
clearerr(fp);
if (nargs == 0) {
@ -225,8 +226,9 @@ static int io_file_read(lua_State *L, FILE *fp, int start)
return n - start;
}
static int io_file_write(lua_State *L, FILE *fp, int start)
static int io_file_write(lua_State *L, IOFileUD *iof, int start)
{
FILE *fp = iof->fp;
cTValue *tv;
int status = 1;
for (tv = L->base+start; tv < L->top; tv++) {
@ -266,7 +268,7 @@ static int io_file_iter(lua_State *L)
memcpy(L->top, &fn->c.upvalue[1], n*sizeof(TValue));
L->top += n;
}
n = io_file_read(L, iof->fp, 0);
n = io_file_read(L, iof, 0);
if (ferror(iof->fp))
lj_err_callermsg(L, strVdata(L->top-2));
if (tvisnil(L->base) && (iof->type & IOFILE_FLAG_CLOSE)) {
@ -292,18 +294,18 @@ static int io_file_lines(lua_State *L)
LJLIB_CF(io_method_close)
{
IOFileUD *iof = L->base < L->top ? io_tofile(L) :
IOSTDF_IOF(L, GCROOT_IO_OUTPUT);
io_stdfile(L, GCROOT_IO_OUTPUT);
return io_file_close(L, iof);
}
LJLIB_CF(io_method_read)
{
return io_file_read(L, io_tofile(L)->fp, 1);
return io_file_read(L, io_tofile(L), 1);
}
LJLIB_CF(io_method_write) LJLIB_REC(io_write 0)
{
return io_file_write(L, io_tofile(L)->fp, 1);
return io_file_write(L, io_tofile(L), 1);
}
LJLIB_CF(io_method_flush) LJLIB_REC(io_flush 0)
@ -457,7 +459,7 @@ LJLIB_CF(io_write) LJLIB_REC(io_write GCROOT_IO_OUTPUT)
LJLIB_CF(io_flush) LJLIB_REC(io_flush GCROOT_IO_OUTPUT)
{
return luaL_fileresult(L, fflush(io_stdfile(L, GCROOT_IO_OUTPUT)) == 0, NULL);
return luaL_fileresult(L, fflush(io_stdfile(L, GCROOT_IO_OUTPUT)->fp) == 0, NULL);
}
static int io_std_getset(lua_State *L, ptrdiff_t id, const char *mode)