wifi: Various cleanups

diff --git a/components/wifi.c b/components/wifi.c
index 33e09b7..13b630a 100644 (file)
--- a/components/wifi.c
+++ b/components/wifi.c
@@ -25,20 +25,17 @@
 
                snprintf(path, sizeof(path), "%s%s%s", "/sys/class/net/", iface,
                         "/operstate");
-               fp = fopen(path, "r");
-               if (fp == NULL) {
+               if (!(fp = fopen(path, "r"))) {
                        fprintf(stderr, "fopen '%s': %s\n", path,
                                strerror(errno));
                        return NULL;
                }
-               p = fgets(status, 5, fp);
-               fclose(fp);
-               if(!p || strcmp(status, "up\n") != 0) {
+               if(!(p = fgets(status, 5, fp)) || strcmp(status, "up\n") != 0) {
                        return NULL;
                }
+               fclose(fp);
 
-               fp = fopen("/proc/net/wireless", "r");
-               if (fp == NULL) {
+               if (!(fp = fopen("/proc/net/wireless", "r"))) {
                        fprintf(stderr, "fopen '/proc/net/wireless': %s\n",
                                strerror(errno));
                        return NULL;
@@ -92,8 +89,8 @@
 
                if (strcmp(id, "") == 0)
                        return NULL;
-               else
-                       return id;
+
+               return id;
        }
 #elif defined(__OpenBSD__)
        /* unimplemented */