78 |
|
eputs(": cannot open\n"); |
79 |
|
quit(1); |
80 |
|
} |
81 |
< |
initfile(fp, fname, 0); |
81 |
> |
#ifdef getc_unlocked /* avoid stupid semaphores */ |
82 |
> |
flockfile(fp); |
83 |
> |
#endif |
84 |
> |
initfile(fp, fname, 0); |
85 |
|
while (nextc != EOF) |
86 |
|
getstatement(); |
87 |
|
if (fname != NULL) |
88 |
|
fclose(fp); |
89 |
+ |
#ifdef getc_unlocked |
90 |
+ |
else |
91 |
+ |
funlockfile(fp); |
92 |
+ |
#endif |
93 |
|
} |
94 |
|
|
95 |
|
|
203 |
|
|
204 |
|
|
205 |
|
int |
206 |
< |
vardefined( /* return non-zero if variable defined */ |
206 |
> |
vardefined( /* return '=' or ':' if variable/constant defined */ |
207 |
|
char *name |
208 |
|
) |
209 |
|
{ |
210 |
< |
EPNODE *dp; |
210 |
> |
EPNODE *dp = dlookup(name); |
211 |
|
|
212 |
< |
return((dp = dlookup(name)) != NULL && dp->v.kid->type == SYM); |
212 |
> |
if (dp == NULL || dp->v.kid->type != SYM) |
213 |
> |
return(0); |
214 |
> |
|
215 |
> |
return(dp->type); |
216 |
|
} |
217 |
|
|
218 |
|
|
219 |
|
char * |
220 |
< |
setcontext( /* set a new context path */ |
220 |
> |
calcontext( /* set a new context path */ |
221 |
|
char *ctx |
222 |
|
) |
223 |
|
{ |
258 |
|
int n; |
259 |
|
|
260 |
|
strcpy(oldcontext, context); /* save old context */ |
261 |
< |
setcontext(ctx); /* set new context */ |
261 |
> |
calcontext(ctx); /* set new context */ |
262 |
|
n = strlen(context); /* tack on old */ |
263 |
|
if (n+strlen(oldcontext) > MAXCNTX) { |
264 |
|
strncpy(context+n, oldcontext, MAXCNTX-n); |
450 |
|
/* if fn is NULL then relink all */ |
451 |
|
for (i = 0; i < NHASH; i++) |
452 |
|
for (vp = hashtbl[i]; vp != NULL; vp = vp->next) |
453 |
< |
if (vp->lib != NULL || fn == NULL || !strcmp(fn, vp->name)) |
453 |
> |
if ((vp->lib != NULL) | (fn == NULL) || !strcmp(fn, vp->name)) |
454 |
|
vp->lib = liblookup(vp->name); |
455 |
|
} |
456 |
|
|
628 |
|
{ |
629 |
|
EPNODE *ep1, *ep2; |
630 |
|
|
631 |
< |
if (!isalpha(nextc) && nextc != CNTXMARK) |
631 |
> |
if (!isalpha(nextc) & (nextc != CNTXMARK)) |
632 |
|
syntax("illegal variable name"); |
633 |
|
|
634 |
|
ep1 = newnode(); |
647 |
|
ep2 = newnode(); |
648 |
|
ep2->type = SYM; |
649 |
|
ep2->v.name = savestr(getname()); |
650 |
+ |
if (strchr(ep2->v.name, CNTXMARK) != NULL) |
651 |
+ |
syntax("illegal parameter name"); |
652 |
|
addekid(ep1, ep2); |
653 |
|
} while (nextc == ','); |
654 |
|
if (nextc != ')') |
657 |
|
curfunc = ep1; |
658 |
|
} |
659 |
|
|
660 |
< |
if (nextc != '=' && nextc != ':') |
660 |
> |
if ((nextc != '=') & (nextc != ':')) |
661 |
|
syntax("'=' or ':' expected"); |
662 |
|
|
663 |
|
ep2 = newnode(); |