moonlight-stream/moonlight-common-c
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Add ByteBuffer APIs for reading/writing multiple bytes

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This commit is contained in:
Cameron Gutman
2025-06-08 15:46:47 -05:00
parent 22a190bdd5
commit 84f37631c2
3 changed files with 30 additions and 16 deletions
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35
src/ByteBuffer.c
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@@ -47,18 +47,28 @@ bool BbAdvanceBuffer(PBYTE_BUFFER buff, int offset) {
return true;
}
// Get a byte from the byte buffer
bool BbGet8(PBYTE_BUFFER buff, uint8_t* c) {
if (buff->position + sizeof(*c) > buff->length) {
// Rewind the byte buffer back to the starting position
void BbRewindBuffer(PBYTE_BUFFER buff) {
buff->position = 0;
}
// Get a variable number of bytes from the byte buffer (all or nothing though)
bool BbGetBytes(PBYTE_BUFFER buff, uint8_t* data, int length) {
if (buff->position + length > buff->length) {
return false;
}
memcpy(c, &buff->buffer[buff->position], sizeof(*c));
buff->position += sizeof(*c);
memcpy(data, &buff->buffer[buff->position], length);
buff->position += length;
return true;
}
// Get a byte from the byte buffer
bool BbGet8(PBYTE_BUFFER buff, uint8_t* c) {
return BbGetBytes(buff, c, sizeof(*c));
}
// Get a short from the byte buffer
bool BbGet16(PBYTE_BUFFER buff, uint16_t* s) {
if (buff->position + sizeof(*s) > buff->length) {
@@ -143,14 +153,19 @@ bool BbPut16(PBYTE_BUFFER buff, uint16_t s) {
return true;
}
// Put a byte into the buffer
bool BbPut8(PBYTE_BUFFER buff, uint8_t c) {
if (buff->position + sizeof(c) > buff->length) {
// Put a variable number of bytes into the byte buffer (all or nothing though)
bool BbPutBytes(PBYTE_BUFFER buff, const uint8_t* data, int length) {
if (buff->position + length > buff->length) {
return false;
}
memcpy(&buff->buffer[buff->position], &c, sizeof(c));
buff->position += sizeof(c);
memcpy(&buff->buffer[buff->position], data, length);
buff->position += length;
return true;
}
// Put a byte into the buffer
bool BbPut8(PBYTE_BUFFER buff, uint8_t c) {
return BbPutBytes(buff, &c, sizeof(c));
}