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b24ca8de52
When I tried to add cool new clang-tidy 14 warnings, I noticed that the current clang-tidy settings already produce a ton of warnings. This commit addresses many of these. Almost all of them were non-critical, i.e. C vs. C++ style casts.
54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
#include "ReadBufferFromMemory.h"
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int CANNOT_SEEK_THROUGH_FILE;
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extern const int SEEK_POSITION_OUT_OF_BOUND;
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}
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off_t ReadBufferFromMemory::seek(off_t offset, int whence)
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{
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if (whence == SEEK_SET)
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{
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if (offset >= 0 && internal_buffer.begin() + offset < internal_buffer.end())
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{
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pos = internal_buffer.begin() + offset;
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working_buffer = internal_buffer; /// We need to restore `working_buffer` in case the position was at EOF before this seek().
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return static_cast<size_t>(pos - internal_buffer.begin());
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}
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else
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throw Exception(
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"Seek position is out of bounds. "
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"Offset: "
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+ std::to_string(offset) + ", Max: " + std::to_string(static_cast<size_t>(internal_buffer.end() - internal_buffer.begin())),
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ErrorCodes::SEEK_POSITION_OUT_OF_BOUND);
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}
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else if (whence == SEEK_CUR)
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{
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Position new_pos = pos + offset;
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if (new_pos >= internal_buffer.begin() && new_pos < internal_buffer.end())
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{
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pos = new_pos;
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working_buffer = internal_buffer; /// We need to restore `working_buffer` in case the position was at EOF before this seek().
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return static_cast<size_t>(pos - internal_buffer.begin());
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}
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else
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throw Exception(
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"Seek position is out of bounds. "
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"Offset: "
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+ std::to_string(offset) + ", Max: " + std::to_string(static_cast<size_t>(internal_buffer.end() - internal_buffer.begin())),
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ErrorCodes::SEEK_POSITION_OUT_OF_BOUND);
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}
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else
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throw Exception("Only SEEK_SET and SEEK_CUR seek modes allowed.", ErrorCodes::CANNOT_SEEK_THROUGH_FILE);
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}
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off_t ReadBufferFromMemory::getPosition()
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{
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return pos - internal_buffer.begin();
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}
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}
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