add explanation for cbuf_find

threadsafe
Ondřej Hruška 9 years ago
parent 350ae15db5
commit 776a24cbe8
  1. 4
      circbuf.h

@ -74,6 +74,10 @@ uint16_t cbuf_read_string_upto(CircularBuffer *inst, char *str, uint16_t max);
/** /**
* Search buffer and return position of the first occurence * Search buffer and return position of the first occurence
* of the given byte (position relative to read_pos). * of the given byte (position relative to read_pos).
*
* The returned value is zero-based, add 1 to get string
* length including the delimiter.
*
* Returns -1 if not found. * Returns -1 if not found.
*/ */
int32_t cbuf_find(CircularBuffer *inst, uint8_t b); int32_t cbuf_find(CircularBuffer *inst, uint8_t b);

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