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Fix out-of-bounds access in user key binding routines.

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Coverity CID #56737, #56738

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson
2014-11-04 23:50:45 +01:00
parent 394c4f82a9
commit 8fbc87707e
1 changed files with 4 additions and 2 deletions
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6
src/editline.c
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@@ -1683,7 +1683,7 @@ static size_t find_key_in_map(int key, el_keymap_t map[], size_t mapsz)
{
size_t i;
for (i = 0; map[i].Function != NULL; i++) {
for (i = 0; map[i].Function; i++) {
if (map[i].Key == key)
return i;
}
@@ -1705,7 +1705,9 @@ static el_status_t el_bind_key_in_map(int key, el_keymap_func_t function, el_key
{
size_t creat, pos = find_key_in_map(key, map, mapsz);
if (pos == mapsz) {
/* Must check that pos is not the next to last array position,
* otherwise we will write out-of-bounds to terminate the list. */
if (pos >= mapsz - 1) {
errno = ENOMEM;
return CSeof;
}