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ctype functions require an unsigned char

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Ensure that characters are represented as unsigned char when using
isblank() and isspace(). These function take in a "int c" argument, but
it needs to be unsigned for the cases where EOF is not indicated.

Signed-off-by: Roy Marples <roy@marples.name>
This commit is contained in:
Roy Marples 2016-02-10 19:27:42 +00:00 committed by Jouni Malinen
parent a5a3efccc2
commit 640b0b933a
4 changed files with 8 additions and 8 deletions
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4
hostapd/ctrl_iface.c
View File

@ -1877,13 +1877,13 @@ static int hostapd_ctrl_iface_vendor(struct hostapd_data *hapd, char *cmd,
/* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
vendor_id = strtoul(cmd, &pos, 16);
if (!isblank(*pos))
if (!isblank((unsigned char) *pos))
return -EINVAL;
subcmd = strtoul(pos, &pos, 10);
if (*pos != '\0') {
if (!isblank(*pos++))
if (!isblank((unsigned char) *pos++))
return -EINVAL;
data_len = os_strlen(pos);
}

4
src/drivers/driver_common.c
View File

@ -183,12 +183,12 @@ wpa_get_wowlan_triggers(const char *wowlan_triggers,
start = buf;
while (*start != '\0') {
while (isblank(*start))
while (isblank((unsigned char) *start))
start++;
if (*start == '\0')
break;
end = start;
while (!isblank(*end) && *end != '\0')
while (!isblank((unsigned char) *end) && *end != '\0')
end++;
last = *end == '\0';
*end = '\0';

2
src/utils/common.c
View File

@ -86,7 +86,7 @@ int hwaddr_masked_aton(const char *txt, u8 *addr, u8 *mask, u8 maskable)
return -1;
/* check for optional mask */
if (*r == '\0' || isspace(*r)) {
if (*r == '\0' || isspace((unsigned char) *r)) {
/* no mask specified, assume default */
os_memset(mask, 0xff, ETH_ALEN);
} else if (maskable && *r == '/') {

6
wpa_supplicant/ctrl_iface.c
View File

@ -4712,7 +4712,7 @@ static int p2ps_ctrl_parse_cpt_priority(const char *pos, u8 *cpt)
return -1;
}
if (isblank(*last)) {
if (isblank((unsigned char) *last)) {
i++;
break;
}
@ -6917,13 +6917,13 @@ static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
/* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
vendor_id = strtoul(cmd, &pos, 16);
if (!isblank(*pos))
if (!isblank((unsigned char) *pos))
return -EINVAL;
subcmd = strtoul(pos, &pos, 10);
if (*pos != '\0') {
if (!isblank(*pos++))
if (!isblank((unsigned char) *pos++))
return -EINVAL;
data_len = os_strlen(pos);
}