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Change tu_fifo_get_linear_write/read_info() to return a struct

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Compilers always complain that variables set by function via pointer
might be uninitialized so to avoid that return values are now delivered
via struct.
This commit is contained in:
Reinhard Panhuber
2021-04-23 11:48:54 +02:00
parent a98d0217a0
commit 7072f0155e
3 changed files with 51 additions and 47 deletions
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12
src/common/tusb_fifo.h
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@@ -80,6 +80,14 @@ typedef struct
} tu_fifo_t;
typedef struct
{
uint16_t len_lin ; ///< linear length in item size
uint16_t len_wrap ; ///< wrapped length in item size
void * ptr_lin ; ///< linear part start pointer
void * ptr_wrap ; ///< wrapped part start pointer
} tu_fifo_linear_wr_info;
#define TU_FIFO_INIT(_buffer, _depth, _type, _overwritable) \
{ \
.buffer = _buffer, \
@@ -136,8 +144,8 @@ void tu_fifo_advance_read_pointer (tu_fifo_t *f, uint16_t n);
// tu_fifo_advance_read_pointer()/tu_fifo_advance_write_pointer and conduct a second read/write operation
// TODO - update comments
uint16_t tu_fifo_get_linear_read_info(tu_fifo_t *f, uint16_t offset, uint16_t n, void **ptr_lin, uint16_t *len_wrap, void **ptr_wrap);
uint16_t tu_fifo_get_linear_write_info(tu_fifo_t *f, uint16_t offset, uint16_t n, void **ptr_lin, uint16_t *len_wrap, void **ptr_wrap);
tu_fifo_linear_wr_info tu_fifo_get_linear_read_info(tu_fifo_t *f, uint16_t offset, uint16_t n);
tu_fifo_linear_wr_info tu_fifo_get_linear_write_info(tu_fifo_t *f, uint16_t offset, uint16_t n);
static inline bool tu_fifo_peek(tu_fifo_t* f, void * p_buffer)
{