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bug 253: Do not delete the scale vector of the current plot

This commit is contained in:
Holger Vogt 2018-11-04 22:47:03 +01:00
parent 157aaee6f1
commit 2a947a933e
1 changed files with 16 additions and 1 deletions
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17
src/frontend/postcoms.c
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@ -28,12 +28,27 @@ Author: 1985 Wayne A. Christopher, U. C. Berkeley CAD Group
static void killplot(struct plot *pl);
static void DelPlotWindows(struct plot *pl);
/* check if the user want's to delete the scale vector of the current plot.
This should not happen, because then redrawing the graph crashes ngspice */
static bool
check_cp(char* vecname)
{
if (plot_cur && plot_cur->pl_scale && plot_cur->pl_scale->v_name && eq(plot_cur->pl_scale->v_name, vecname)) {
fprintf(cp_err, "\nWarning: Scale vector '%s' of current plot cannot be deleted!\n", vecname);
fprintf(cp_err, " Command 'unlet %s' is ignored.\n\n", vecname);
return TRUE;
}
else
return FALSE;
}
void
com_unlet(wordlist *wl)
{
while (wl) {
vec_remove(wl->wl_word);
/* don't delete the scale vector of the current plot */
if (!check_cp(wl->wl_word))
vec_remove(wl->wl_word);
wl = wl->wl_next;
}
}