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safety check if no circuit is loaded, prevent crash

This commit is contained in:
Holger Vogt 2018-08-30 15:23:18 +02:00
parent 8a813f75e8
commit 70439e38fa
1 changed files with 9 additions and 2 deletions
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11
src/frontend/inp.c
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@ -1356,10 +1356,17 @@ com_alterparam(wordlist *wl)
char *pname, *pval, *tmp, *subcktname = NULL, *linein, *linefree, *s; char *pname, *pval, *tmp, *subcktname = NULL, *linein, *linefree, *s;
bool found = FALSE; bool found = FALSE;
if (!ft_curckt->ci_mcdeck) { if (!ft_curckt) {
fprintf(cp_err, "Error: No internal deck available\n"); fprintf(stderr, "Warning: No circuit loaded!\n");
fprintf(stderr, " Command 'alterparam' ignored\n");
return; return;
} }
if (!ft_curckt->ci_mcdeck) {
fprintf(cp_err, "Error: No internal deck available\n");
fprintf(stderr, " Command 'alterparam' ignored\n");
return;
}
linefree = wl_flatten(wl); linefree = wl_flatten(wl);
linein = skip_ws(linefree); linein = skip_ws(linefree);
s = tmp = gettok_char(&linein, '=', FALSE, FALSE); s = tmp = gettok_char(&linein, '=', FALSE, FALSE);