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fix(system/file): remove pointer arithmetic on void* type

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This commit is contained in:
phaneron 2023-08-14 20:44:17 -04:00
parent 581522ca0f
commit 667a125748
1 changed files with 10 additions and 6 deletions
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16
bc/system/file/posix/System_File.cpp
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@ -328,6 +328,8 @@ bool Read(File::StreamRecord* file, void* data, int64_t offset, size_t* bytes) {
return true; return true;
} }
auto u8_data = reinterpret_cast<uint8_t*>(data);
// in bytes, the length of the user's read operation. // in bytes, the length of the user's read operation.
auto size = *bytes; auto size = *bytes;
// byte index. // byte index.
@ -343,10 +345,10 @@ bool Read(File::StreamRecord* file, void* data, int64_t offset, size_t* bytes) {
if (offset < 0) { if (offset < 0) {
// Read relative to file pointer // Read relative to file pointer
result = read(file->filefd, data, slice); result = read(file->filefd, u8_data, slice);
} else { } else {
// Read absolute // Read absolute
result = pread(file->filefd, data, slice, offset); result = pread(file->filefd, u8_data, slice, offset);
} }
auto increment = result; auto increment = result;
@ -372,7 +374,7 @@ bool Read(File::StreamRecord* file, void* data, int64_t offset, size_t* bytes) {
return false; return false;
} }
data += increment; u8_data += increment;
} }
// How many bytes did we read // How many bytes did we read
@ -448,6 +450,8 @@ bool Write(File::StreamRecord* file, void* data, int64_t offset, size_t* bytes)
return true; return true;
} }
auto u8_data = reinterpret_cast<uint8_t*>(data);
// in bytes, the length of the user's write operation. // in bytes, the length of the user's write operation.
auto size = *bytes; auto size = *bytes;
// byte index. // byte index.
@ -462,10 +466,10 @@ bool Write(File::StreamRecord* file, void* data, int64_t offset, size_t* bytes)
if (offset < 0) { if (offset < 0) {
// Write relative to current file pointer // Write relative to current file pointer
result = write(file->filefd, data, slice); result = write(file->filefd, u8_data, slice);
} else { } else {
// Write at an absolute file position // Write at an absolute file position
result = pwrite(file->filefd, data, slice, offset); result = pwrite(file->filefd, u8_data, slice, offset);
} }
auto increment = result; auto increment = result;
@ -485,7 +489,7 @@ bool Write(File::StreamRecord* file, void* data, int64_t offset, size_t* bytes)
return false; return false;
} }
data += increment; u8_data += increment;
} }
// How many bytes did we write // How many bytes did we write