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Do not rely on g_utf_8_substring length checking, it doesn't always do it

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mjentsch 2015-11-21 16:23:46 +01:00
parent 6cfeeb4835
commit 643a30faa7
1 changed files with 9 additions and 10 deletions
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19
tgp-msg.c
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@ -197,20 +197,19 @@ static void tgp_msg_send_schedule (struct tgl_state *TLS, gchar *chunk, tgl_peer
}
static int tgp_msg_send_split (struct tgl_state *TLS, const char *message, tgl_peer_id_t to) {
int max = TGP_DEFAULT_MAX_MSG_SPLIT_COUNT;
if (max < 1) {
max = 1;
}
int size = (int)g_utf8_strlen(message, -1);
if (size > TGP_MAX_MSG_SIZE * max) {
int size = (int)g_utf8_strlen (message, -1), start = 0;
if (size > TGP_MAX_MSG_SIZE * TGP_DEFAULT_MAX_MSG_SPLIT_COUNT) {
return -E2BIG;
}
int start = 0;
while (size > start) {
int e = start + (int)TGP_MAX_MSG_SIZE;
gchar *chunk = g_utf8_substring (message, start, e);
int end = start + (int)TGP_MAX_MSG_SIZE;
if (end > size) {
end = size;
}
gchar *chunk = g_utf8_substringg (message, start, end);
tgp_msg_send_schedule (TLS, chunk, to);
start = e;
start = end;
}
return 1;
}