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safer string handling

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Jfreegman
2014-10-03 17:53:50 -04:00
parent c56c6cc219
commit 23cf9686cb
12 changed files with 87 additions and 65 deletions
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16
src/friendlist.c
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@ -340,25 +340,21 @@ static void friendlist_onConnectionChange(ToxWindow *self, Tox *m, int32_t num,
static void friendlist_onNickChange(ToxWindow *self, Tox *m, int32_t num, const char *nick, uint16_t len)
{
if (len > TOX_MAX_NAME_LENGTH || num >= Friends.max_idx)
if (num >= Friends.max_idx)
return;
/* save old name for log renaming */
char oldname[TOXIC_MAX_NAME_LENGTH];
char oldname[TOXIC_MAX_NAME_LENGTH + 1];
snprintf(oldname, sizeof(oldname), "%s", Friends.list[num].name);
/* update name */
char tempname[TOX_MAX_NAME_LENGTH];
strcpy(tempname, nick);
len = MIN(len, TOXIC_MAX_NAME_LENGTH - 1);
tempname[len] = '\0';
snprintf(Friends.list[num].name, sizeof(Friends.list[num].name), "%s", tempname);
Friends.list[num].namelength = len;
snprintf(Friends.list[num].name, sizeof(Friends.list[num].name), "%s", nick);
Friends.list[num].namelength = strlen(Friends.list[num].name);
/* get data for chatlog renaming */
char newnamecpy[TOXIC_MAX_NAME_LENGTH];
char newnamecpy[TOXIC_MAX_NAME_LENGTH + 1];
char myid[TOX_FRIEND_ADDRESS_SIZE];
strcpy(newnamecpy, tempname);
strcpy(newnamecpy, Friends.list[num].name);
tox_get_address(m, (uint8_t *) myid);
if (strcmp(oldname, newnamecpy) != 0)