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Update stream utilities and fix peek logic
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Abdelrahman Said
2026-08-30 17:13:32 +01:00
parent b3830683f6
commit d5578f009a
10 changed files with 122 additions and 26 deletions
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src/base/stream/stream.c
+14 -11
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@@ -6,28 +6,31 @@
void _streamValidate(const WpStream *stream, u64 item_size);
b8 _streamAtEnd(const WpStream *stream, u64 item_size) {
_streamValidate(stream, item_size);
b8 wpStreamAtEnd(const WpStream *stream) {
return stream->position >= stream->count;
}
b8 _streamHasNext(const WpStream *stream, u64 item_size) {
_streamValidate(stream, item_size);
return stream->position + 1 < stream->count;
b8 _streamHasCount(const WpStream *stream, u64 count) {
return stream->position + count <= stream->count;
}
void *_streamPeek(const WpStream *stream, u64 item_size) {
if (_streamHasNext(stream, item_size)) {
u64 index = (stream->position + 1) * stream->item_size;
void *_streamPeekWithOffset(const WpStream *stream, u64 offset, u64 item_size) {
_streamValidate(stream, item_size);
if (_streamHasCount(stream, offset + 1)) {
u64 index = (stream->position + offset) * stream->item_size;
return (void *)(&((u8 *)(stream->data))[index]);
}
return NULL;
}
void *_streamConsume(WpStream *stream, u64 item_size) {
if (!_streamAtEnd(stream, item_size)) {
u64 index = stream->position++ * stream->item_size;
void *_streamConsumeCount(WpStream *stream, u64 count, u64 item_size) {
_streamValidate(stream, item_size);
if (_streamHasCount(stream, count)) {
u64 index = stream->position * stream->item_size;
stream->position += count;
return (void *)(&((u8 *)(stream->data))[index]);
}