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Use common is_ctrl_char() helper function

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This modifies couple of code segments that replaced control characters
in strings with '_' to use a common helper function.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2015-04-07 15:43:32 +03:00 committed by Jouni Malinen
parent f371869a96
commit 0f5acfba06
4 changed files with 11 additions and 4 deletions
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5
src/p2p/p2p_parse.c
View file

@ -161,8 +161,7 @@ static int p2p_parse_attribute(u8 id, const u8 *data, u16 len,
for (i = 0; i < nlen; i++) {
if (msg->device_name[i] == '\0')
break;
if (msg->device_name[i] > 0 &&
msg->device_name[i] < 32)
if (is_ctrl_char(msg->device_name[i]))
msg->device_name[i] = '_';
}
wpa_printf(MSG_DEBUG, "P2P: * Device Info: addr " MACSTR
@ -743,7 +742,7 @@ static int p2p_group_info_text(const u8 *gi, size_t gi_len, char *buf,
name[cli->dev_name_len] = '\0';
count = (int) cli->dev_name_len - 1;
while (count >= 0) {
if (name[count] > 0 && name[count] < 32)
if (is_ctrl_char(name[count]))
name[count] = '_';
count--;
}

6
src/utils/common.c
View file

@ -1088,3 +1088,9 @@ size_t utf8_escape(const char *inp, size_t in_size,
return res_size;
}
int is_ctrl_char(char c)
{
return c > 0 && c < 32;
}

1
src/utils/common.h
View file

@ -554,6 +554,7 @@ size_t utf8_escape(const char *inp, size_t in_size,
char *outp, size_t out_size);
size_t utf8_unescape(const char *inp, size_t in_size,
char *outp, size_t out_size);
int is_ctrl_char(char c);
/*

3
src/wps/wps.c
View file

@ -618,7 +618,8 @@ int wps_attr_text(struct wpabuf *data, char *buf, char *end)
if (str == NULL)
return pos - buf;
for (i = 0; i < attr.dev_name_len; i++) {
if (attr.dev_name[i] < 32)
if (attr.dev_name[i] == 0 ||
is_ctrl_char(attr.dev_name[i]))
str[i] = '_';
else
str[i] = attr.dev_name[i];