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(rewind.c) C89 fixes

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twinaphex 2015-06-26 19:55:09 +02:00
parent 412ae1c5e6
commit 33d966a9d6
1 changed files with 19 additions and 11 deletions
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30
rewind.c
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@ -404,16 +404,24 @@ static INLINE size_t find_same(const uint16_t *a, const uint16_t *b)
void state_manager_push_do(state_manager_t *state)
{
uint8_t *swap = NULL;
if (state->thisblock_valid)
{
const uint8_t *oldb, *newb;
const uint16_t *old16, *new16;
uint8_t *compressed;
uint16_t *compressed16;
size_t num16s;
size_t headpos, tailpos, remaining;
if (state->capacity < sizeof(size_t) + state->maxcompsize)
return;
recheckcapacity:;
size_t headpos = state->head - state->data;
size_t tailpos = state->tail - state->data;
size_t remaining = (tailpos + state->capacity -
headpos = state->head - state->data;
tailpos = state->tail - state->data;
remaining = (tailpos + state->capacity -
sizeof(size_t) - headpos - 1) % state->capacity + 1;
if (remaining <= state->maxcompsize)
@ -426,16 +434,16 @@ recheckcapacity:;
RARCH_PERFORMANCE_INIT(gen_deltas);
RARCH_PERFORMANCE_START(gen_deltas);
const uint8_t *oldb = state->thisblock;
const uint8_t *newb = state->nextblock;
uint8_t *compressed = state->head + sizeof(size_t);
oldb = state->thisblock;
newb = state->nextblock;
compressed = state->head + sizeof(size_t);
/* Begin compression code; 'compressed' will point to
* the end of the compressed data (excluding the prev pointer). */
const uint16_t *old16 = (const uint16_t*)oldb;
const uint16_t *new16 = (const uint16_t*)newb;
uint16_t *compressed16 = (uint16_t*)compressed;
size_t num16s = state->blocksize / sizeof(uint16_t);
old16 = (const uint16_t*)oldb;
new16 = (const uint16_t*)newb;
compressed16 = (uint16_t*)compressed;
num16s = state->blocksize / sizeof(uint16_t);
while (num16s)
{
@ -503,7 +511,7 @@ recheckcapacity:;
else
state->thisblock_valid = true;
uint8_t *swap = state->thisblock;
swap = state->thisblock;
state->thisblock = state->nextblock;
state->nextblock = swap;