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Handle unknown keys more gracefully, return a string instead of NULL.

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This commit is contained in:
nicm 2015-10-26 22:03:04 +00:00
parent a22fe33aa0
commit b85be36d1c
2 changed files with 4 additions and 10 deletions
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8
cmd-list-keys.c
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@ -77,8 +77,6 @@ cmd_list_keys_exec(struct cmd *self, struct cmd_q *cmdq)
continue;
RB_FOREACH(bd, key_bindings, &table->key_bindings) {
key = key_string_lookup_key(bd->key);
if (key == NULL)
continue;
if (bd->can_repeat)
repeat = 1;
@ -97,8 +95,6 @@ cmd_list_keys_exec(struct cmd *self, struct cmd_q *cmdq)
continue;
RB_FOREACH(bd, key_bindings, &table->key_bindings) {
key = key_string_lookup_key(bd->key);
if (key == NULL)
continue;
if (!repeat)
r = "";
@ -140,8 +136,6 @@ cmd_list_keys_table(struct cmd *self, struct cmd_q *cmdq)
any_mode = 0;
RB_FOREACH(mbind, mode_key_tree, mtab->tree) {
key = key_string_lookup_key(mbind->key);
if (key == NULL)
continue;
if (mbind->mode != 0)
any_mode = 1;
@ -153,8 +147,6 @@ cmd_list_keys_table(struct cmd *self, struct cmd_q *cmdq)
RB_FOREACH(mbind, mode_key_tree, mtab->tree) {
key = key_string_lookup_key(mbind->key);
if (key == NULL)
continue;
mode = "";
if (mbind->mode != 0)

6
key-string.c
View File

@ -238,8 +238,10 @@ key_string_lookup_key(int key)
}
/* Invalid keys are errors. */
if (key == 127 || key > 255)
return (NULL);
if (key == 127 || key > 255) {
snprintf(out, sizeof out, "<INVALID#%04x>", key);
return (out);
}
/* Check for standard or control key. */
if (key >= 0 && key <= 32) {