Share a single str_starts() implementation

No need to define this as a static function in multiple files.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/ap/wps_hostapd.c

@@ -269,12 +269,6 @@ static void hostapd_wps_enrollee_seen_cb(void *ctx, const u8 *addr,
 }
 
 
-static int str_starts(const char *str, const char *start)
-{
-	return os_strncmp(str, start, os_strlen(start)) == 0;
-}
-
-
 static void wps_reload_config(void *eloop_data, void *user_ctx)
 {
 	struct hostapd_iface *iface = eloop_data;

src/utils/common.c

@@ -1194,3 +1194,9 @@ int ssid_parse(const char *buf, struct wpa_ssid_value *ssid)
 
 	return ssid->ssid_len ? 0 : -1;
 }
+
+
+int str_starts(const char *str, const char *start)
+{
+	return os_strncmp(str, start, os_strlen(start)) == 0;
+}

src/utils/common.h

@@ -550,6 +550,8 @@ size_t utf8_unescape(const char *inp, size_t in_size,
 		     char *outp, size_t out_size);
 int is_ctrl_char(char c);
 
+int str_starts(const char *str, const char *start);
+
 
 /*
  * gcc 4.4 ends up generating strict-aliasing warnings about some very common

src/wps/wps_upnp_ssdp.c

@@ -100,12 +100,6 @@ static int line_length(const char *l)
 }
 
 
-static int str_starts(const char *str, const char *start)
-{
-	return os_strncmp(str, start, os_strlen(start)) == 0;
-}
-
-
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