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Replace several uses of snprintf() by asprintf()

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Use asprintf() in some cold code paths. While allocating memory on the
heap is a bit slower, using asprintf() is a bit more memory efficient
and less prone to buffer overflow errors.

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
This commit is contained in:
Lukas Fleischer
2014-07-21 22:51:54 +02:00
parent 6203966fbf
commit 21fc7a4b74
9 changed files with 150 additions and 135 deletions
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5
src/custom.c
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@@ -803,14 +803,15 @@ print_keys_bindings(WINDOW * win, int selected_row, int selected_elm,
noelm = y = 0;
for (action = 0; action < NBKEYS; action++) {
char actionstr[BUFSIZ];
char *actionstr;
int nbkeys;
nbkeys = keys_action_count_keys(action);
snprintf(actionstr, BUFSIZ, "%s", keys_get_label(action));
asprintf(&actionstr, "%s", keys_get_label(action));
if (action == selected_row)
custom_apply_attr(win, ATTR_HIGHEST);
mvwprintw(win, y, XPOS, "%s ", actionstr);
mem_free(actionstr);
mvwaddstr(win, y, EQUALPOS, "=");
if (nbkeys == 0)
mvwaddstr(win, y, KEYPOS, _("undefined"));