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spa: add and use spa_overflow macros

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This commit is contained in:
Wim Taymans 2026-04-24 15:54:15 +02:00
parent 84f8230a47
commit 0f8d5c6e57
16 changed files with 149 additions and 50 deletions
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5
src/modules/module-loopback.c
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@ -16,6 +16,7 @@
#include <spa/utils/string.h>
#include <spa/utils/json.h>
#include <spa/utils/ringbuffer.h>
#include <spa/utils/overflow.h>
#include <spa/param/latency-utils.h>
#include <spa/param/audio/raw-json.h>
#include <spa/debug/types.h>
@ -578,14 +579,14 @@ static void recalculate_buffer(struct impl *impl)
void *data;
size_t alloc_size;
if (delay > (UINT32_MAX / 4) - (1u<<15)) {
if (spa_overflow_add(delay, 1u << 15, &impl->buffer_size) ||
spa_overflow_mul(impl->buffer_size, 4u, &impl->buffer_size)) {
pw_log_warn("delay too large, delay disabled");
impl->buffer_size = 0;
free(impl->buffer_data);
impl->buffer_data = NULL;
goto done;
}
impl->buffer_size = (delay + (1u<<15)) * 4;
alloc_size = (size_t)impl->buffer_size * impl->channels;
data = realloc(impl->buffer_data, alloc_size);
if (data == NULL) {