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Import of the watch repository from Pebble

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Matthieu Jeanson 2024-12-12 16:43:03 -08:00 • committed by Katharine Berry
commit 3b92768480
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33
third_party/nanopb/tests/fuzztest/flakystream.c vendored Normal file
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#include "flakystream.h"
#include <string.h>
bool flakystream_callback(pb_istream_t *stream, pb_byte_t *buf, size_t count)
{
flakystream_t *state = stream->state;
if (state->position + count > state->msglen)
{
stream->bytes_left = 0;
return false;
}
else if (state->position + count > state->fail_after)
{
PB_RETURN_ERROR(stream, "flaky error");
}
memcpy(buf, state->buffer + state->position, count);
state->position += count;
return true;
}
void flakystream_init(flakystream_t *stream, const uint8_t *buffer, size_t msglen, size_t fail_after)
{
memset(stream, 0, sizeof(*stream));
stream->stream.callback = flakystream_callback;
stream->stream.bytes_left = SIZE_MAX;
stream->stream.state = stream;
stream->buffer = buffer;
stream->position = 0;
stream->msglen = msglen;
stream->fail_after = fail_after;
}