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small change to avoid error on "lua_pushstring(NULL)".

This commit is contained in:
Roberto Ierusalimschy 1996-03-04 11:46:35 -03:00
parent 74102bd716
commit 6f30fa98d8
1 changed files with 9 additions and 4 deletions
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7
opcode.c
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@ -3,7 +3,7 @@
** TecCGraf - PUC-Rio ** TecCGraf - PUC-Rio
*/ */
char *rcs_opcode="$Id: opcode.c,v 3.57 1996/02/12 18:32:40 roberto Exp roberto $"; char *rcs_opcode="$Id: opcode.c,v 3.58 1996/02/22 20:34:33 roberto Exp roberto $";
#include <setjmp.h> #include <setjmp.h>
#include <stdlib.h> #include <stdlib.h>
@ -784,8 +784,13 @@ void lua_pushnumber (real n)
*/ */
void lua_pushstring (char *s) void lua_pushstring (char *s)
{ {
if (s == NULL)
tag(top) = LUA_T_NIL;
else
{
tsvalue(top) = lua_createstring(s); tsvalue(top) = lua_createstring(s);
tag(top) = LUA_T_STRING; tag(top) = LUA_T_STRING;
}
incr_top; incr_top;
} }