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Remove unnecessary tracking of first entry

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The pointer to the current position is enough to figure out whether the
proto string is the first one in the buffer. Removing the separate
tracking variable cleans up a static analyzer warning on dead
assignment.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-06-30 00:50:40 +03:00
parent d3fa2bbb02
commit 290ea6a76e
1 changed files with 7 additions and 7 deletions
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14
wpa_supplicant/config.c
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@ -435,7 +435,7 @@ static int wpa_config_parse_proto(const struct parse_data *data,
static char * wpa_config_write_proto(const struct parse_data *data,
struct wpa_ssid *ssid)
{
int first = 1, ret;
int ret;
char *buf, *pos, *end;
pos = buf = os_zalloc(20);
@ -444,27 +444,27 @@ static char * wpa_config_write_proto(const struct parse_data *data,
end = buf + 20;
if (ssid->proto & WPA_PROTO_WPA) {
ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
ret = os_snprintf(pos, end - pos, "%sWPA",
pos == buf ? "" : " ");
if (ret < 0 || ret >= end - pos)
return buf;
pos += ret;
first = 0;
}
if (ssid->proto & WPA_PROTO_RSN) {
ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
ret = os_snprintf(pos, end - pos, "%sRSN",
pos == buf ? "" : " ");
if (ret < 0 || ret >= end - pos)
return buf;
pos += ret;
first = 0;
}
if (ssid->proto & WPA_PROTO_OSEN) {
ret = os_snprintf(pos, end - pos, "%sOSEN", first ? "" : " ");
ret = os_snprintf(pos, end - pos, "%sOSEN",
pos == buf ? "" : " ");
if (ret < 0 || ret >= end - pos)
return buf;
pos += ret;
first = 0;
}
return buf;