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function "setfallback" now gives an error if called with wrong parameters.

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This commit is contained in:
Roberto Ierusalimschy 1995-10-17 12:30:05 -02:00
parent d80659759b
commit a66404aca6
2 changed files with 8 additions and 9 deletions
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9
fallback.c
View File

@ -3,7 +3,7 @@
** TecCGraf - PUC-Rio ** TecCGraf - PUC-Rio
*/ */
char *rcs_fallback="$Id: fallback.c,v 1.15 1995/10/09 13:14:29 roberto Exp roberto $"; char *rcs_fallback="$Id: fallback.c,v 1.16 1995/10/17 11:52:38 roberto Exp roberto $";
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
@ -48,10 +48,7 @@ void luaI_setfallback (void)
char *name = lua_getstring(lua_getparam(1)); char *name = lua_getstring(lua_getparam(1));
lua_Object func = lua_getparam(2); lua_Object func = lua_getparam(2);
if (name == NULL || !(lua_isfunction(func) || lua_iscfunction(func))) if (name == NULL || !(lua_isfunction(func) || lua_iscfunction(func)))
{ lua_error("incorrect argument to function `setfallback'");
lua_pushnil();
return;
}
for (i=0; i<N_FB; i++) for (i=0; i<N_FB; i++)
{ {
if (strcmp(luaI_fallBacks[i].kind, name) == 0) if (strcmp(luaI_fallBacks[i].kind, name) == 0)
@ -62,7 +59,7 @@ void luaI_setfallback (void)
} }
} }
/* name not found */ /* name not found */
lua_pushnil(); lua_error("incorrect argument to function `setfallback'");
} }

8
opcode.c
View File

@ -3,7 +3,7 @@
** TecCGraf - PUC-Rio ** TecCGraf - PUC-Rio
*/ */
char *rcs_opcode="$Id: opcode.c,v 3.44 1995/10/17 11:58:41 roberto Exp roberto $"; char *rcs_opcode="$Id: opcode.c,v 3.45 1995/10/17 14:12:45 roberto Exp $";
#include <setjmp.h> #include <setjmp.h>
#include <stdlib.h> #include <stdlib.h>
@ -500,8 +500,10 @@ lua_Object lua_setfallback (char *name, lua_CFunction fallback)
stack[CBase].value.f = luaI_setfallback; stack[CBase].value.f = luaI_setfallback;
lua_pushstring(name); lua_pushstring(name);
lua_pushcfunction(fallback); lua_pushcfunction(fallback);
do_protectedrun(1); if (do_protectedrun(1) == 0)
return (Ref(top-1)); return (Ref(top-1));
else
return LUA_NOOBJECT;
} }