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-rw-r--r--termkey.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/termkey.c b/termkey.c
index 6c246a4..18cac6c 100644
--- a/termkey.c
+++ b/termkey.c
@@ -13,6 +13,9 @@ static struct termkey_driver *drivers[] = {
NULL,
};
+// Forwards for the "protected" methods
+static void eatbytes(termkey_t *tk, size_t count);
+
termkey_t *termkey_new_full(int fd, int flags, size_t buffsize, int waittime)
{
termkey_t *tk = malloc(sizeof(*tk));
@@ -64,6 +67,8 @@ termkey_t *termkey_new_full(int fd, int flags, size_t buffsize, int waittime)
for(i = 0; i < tk->nkeynames; i++)
tk->keynames[i] = NULL;
+ tk->method.eatbytes = &eatbytes;
+
for(i = 0; drivers[i]; i++) {
void *driver_info = (*drivers[i]->new_driver)(tk);
if(!driver_info)
@@ -133,6 +138,25 @@ int termkey_getwaittime(termkey_t *tk)
return tk->waittime;
}
+static void eatbytes(termkey_t *tk, size_t count)
+{
+ if(count >= tk->buffcount) {
+ tk->buffstart = 0;
+ tk->buffcount = 0;
+ return;
+ }
+
+ tk->buffstart += count;
+ tk->buffcount -= count;
+
+ size_t halfsize = tk->buffsize / 2;
+
+ if(tk->buffstart > halfsize) {
+ memcpy(tk->buffer, tk->buffer + halfsize, halfsize);
+ tk->buffstart -= halfsize;
+ }
+}
+
termkey_result termkey_getkey(termkey_t *tk, termkey_key *key)
{
return (*tk->driver.getkey)(tk, key);