file-poller: Improved csv output

All ',' and '\n' will now be stripped from the files contents so it doesn't
effect csv formatting

Also fixed some whitespace

wlauto/instrumentation/poller/poller.c

@@ -14,6 +14,19 @@ void term(int signum)
     done = 1;
 }
 
+// From: http://stackoverflow.com/questions/1515195/how-to-remove-n-or-t-from-a-given-string-in-c
+void strip(char *s) {
+    char *stripped_s = s;
+    while(*s != '\0') {
+        if(*s != ',' && *s != '\n') {
+            *stripped_s++ = *s++;
+        } else {
+            ++s;
+        }
+    }
+    *stripped_s = '\0';
+}
+
 int main(int argc, char ** argv) {
 
     extern char *optarg;
@@ -111,13 +124,9 @@ int main(int argc, char ** argv) {
         for (i = 0; i < (argc - optind); i++) {
             read(files_to_poll[i], buf, 1024);
             lseek(files_to_poll[i], 0, SEEK_SET);
-
-            //Removes trailing "\n"
-            int new_line = strlen(buf) -1;
-            if (buf[new_line] == '\n')
-                buf[new_line] = '\0';
-
+            strip(buf);
             printf(",%s", buf);
+            buf[0] = '\0'; // "Empty" buffer
         }
         printf("\n");
         usleep(interval);