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format for file source is independent of "ldo".

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This commit is contained in:
Roberto Ierusalimschy 1999-03-10 11:19:41 -03:00
parent 2679461637
commit f2d35bdc78
3 changed files with 15 additions and 9 deletions
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9
lauxlib.c
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@ -1,5 +1,5 @@
/*
** $Id: lauxlib.c,v 1.14 1999/02/25 19:13:56 roberto Exp roberto $
** $Id: lauxlib.c,v 1.15 1999/03/04 21:17:26 roberto Exp roberto $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/
@ -126,3 +126,10 @@ void luaL_chunkid (char *out, char *source, int len) {
}
}
void luaL_filesource (char *out, char *filename, int len) {
if (filename == NULL)
strcpy(out, "@(stdin)");
else
sprintf(out, "@%.*s", len-2, filename); /* -2 for '@' and '\0' */
}

4
lauxlib.h
View File

@ -1,5 +1,5 @@
/*
** $Id: lauxlib.h,v 1.10 1998/12/28 13:44:54 roberto Exp roberto $
** $Id: lauxlib.h,v 1.11 1999/03/04 21:17:26 roberto Exp roberto $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/
@ -47,5 +47,7 @@ void luaL_oldbuffer (int old);
char *luaL_buffer (void);
int luaL_findstring (char *name, char *list[]);
void luaL_chunkid (char *out, char *source, int len);
void luaL_filesource (char *out, char *filename, int len);
#endif

11
ldo.c
View File

@ -1,5 +1,5 @@
/*
** $Id: ldo.c,v 1.37 1999/03/04 21:17:26 roberto Exp roberto $
** $Id: ldo.c,v 1.38 1999/03/05 20:45:01 roberto Exp roberto $
** Stack and Call structure of Lua
** See Copyright Notice in lua.h
*/
@ -362,20 +362,17 @@ int lua_dofile (char *filename) {
int status;
int c;
int bin;
char name[MAXFILENAME+2]; /* +2 for '@' and '\0' */
char source[MAXFILENAME];
FILE *f = (filename == NULL) ? stdin : fopen(filename, "r");
if (f == NULL)
return 2;
if (filename == NULL)
strcpy(name, "@(stdin)");
else
sprintf(name, "@%.*s", MAXFILENAME, filename);
c = fgetc(f);
ungetc(c, f);
bin = (c == ID_CHUNK);
if (bin)
f = freopen(filename, "rb", f); /* set binary mode */
luaZ_Fopen(&z, f, name);
luaL_filesource(source, filename, MAXFILENAME);
luaZ_Fopen(&z, f, source);
status = do_main(&z, bin);
if (f != stdin)
fclose(f);