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com_plot.c, plug memory leaks in com_clip()

This commit is contained in:
h_vogt 2017-07-06 16:28:13 +02:00
parent c3c7adf099
commit 52b70515bb
1 changed files with 15 additions and 2 deletions
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17
src/frontend/com_plot.c
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@ -31,17 +31,30 @@ com_bltplot(wordlist *wl)
void
com_clip(wordlist *wl)
{
struct pnode *names;
struct pnode *names, *delnames;
struct dvec *vec;
double xmin, xmax;
char *vecname = wl->wl_word;
wl = wl->wl_next;
names = ft_getpnames(wl, TRUE);
delnames = names = ft_getpnames(wl, TRUE);
vec = ft_evaluate(names);
if (!vec) {
fprintf(cp_err, "Error: Cannot evaluate xmin for %s.\n No clipping done!\n", vecname);
return;
}
xmin = vec->v_realdata[0];
if (names->pn_value == NULL)
vec_free(vec);
names = names->pn_next;
vec = ft_evaluate(names);
if (!vec) {
fprintf(cp_err, "Error: Cannot evaluate xmax for %s.\n No clipping done!\n", vecname);
return;
}
xmax = vec->v_realdata[0];
if (names->pn_value == NULL)
vec_free(vec);
vec_clip(vecname, xmin, xmax);
free_pnode(delnames);
}