1 files changed, 44 insertions, 0 deletions
diff --git a/src/get_wireless_info.c b/src/get_wireless_info.c
new file mode 100644
index 0000000..fd0c60b
--- /dev/null
+++ b/src/get_wireless_info.c
@@ -0,0 +1,44 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <limits.h>
+
+#include "i3status.h"
+
+/*
+ * Just parses /proc/net/wireless looking for lines beginning with
+ * wlan_interface, extracting the quality of the link and adding the
+ * current IP address of wlan_interface.
+ *
+ */
+const char *get_wireless_info() {
+        char buf[1024];
+        static char part[512];
+        char *interfaces;
+        memset(buf, 0, sizeof(buf));
+        memset(part, 0, sizeof(part));
+
+	slurp("/proc/net/wireless", buf, sizeof(buf));
+
+        interfaces = skip_character(buf, '\n', 1) + 1;
+        while ((interfaces = skip_character(interfaces, '\n', 1)+1) < buf+strlen(buf)) {
+                while (isspace((int)*interfaces))
+                        interfaces++;
+                if (!BEGINS_WITH(interfaces, wlan_interface))
+                        continue;
+                int quality;
+                if (sscanf(interfaces, "%*[^:]: 0000 %d", &quality) != 1)
+                        continue;
+                if ((quality == UCHAR_MAX) || (quality == 0)) {
+                        if (use_colors)
+                                (void)snprintf(part, sizeof(part), "%sW: down", color("#FF0000"));
+                        else (void)snprintf(part, sizeof(part), "W: down");
+                } else (void)snprintf(part, sizeof(part), "%sW: (%03d%%) %s",
+                                color("#00FF00"), quality, get_ip_addr(wlan_interface));
+                return part;
+        }
+
+        return part;
+}
+