[riot-notifications] [RIOT-OS/RIOT] tsrb: change input type to `uint8_t` (#11634)

Martine Lenders notifications at github.com
Wed Jun 5 13:27:18 CEST 2019

miri64 commented on this pull request.

>  {
     rb->buf[rb->writes++ & (rb->size - 1)] = c;
-static char _pop(tsrb_t *rb)
+static uint8_t _pop(tsrb_t *rb)
     return rb->buf[rb->reads++ & (rb->size - 1)];
 int tsrb_get_one(tsrb_t *rb)

Also it's the same reason, why I disagree with a return pointer: it makes the function less efficient, especially when implementing such central functions like `getchar()`.

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