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AK: Implement Span which represents a contiguous sequence of objects.

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This makes it possible to pass one object rather than pointer and length
individually.
This commit is contained in:
asynts 2020-07-25 16:00:26 +02:00 • committed by Andreas Kling
parent d43ddd6eb7
commit ac9c2bc492
5 changed files with 277 additions and 8 deletions
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16
Userland/allocate.cpp
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@ -37,14 +37,14 @@ void usage(void)
exit(1);
}
enum Unit { Bytes,
enum class Unit { Bytes,
KiloBytes,
MegaBytes };
int main(int argc, char** argv)
{
int count = 50;
Unit unit = MegaBytes;
auto unit = Unit::MegaBytes;
if (argc >= 2) {
auto number = String(argv[1]).to_uint();
@ -56,22 +56,22 @@ int main(int argc, char** argv)
if (argc >= 3) {
if (strcmp(argv[2], "B") == 0)
unit = Bytes;
unit = Unit::Bytes;
else if (strcmp(argv[2], "KB") == 0)
unit = KiloBytes;
unit = Unit::KiloBytes;
else if (strcmp(argv[2], "MB") == 0)
unit = MegaBytes;
unit = Unit::MegaBytes;
else
usage();
}
switch (unit) {
case Bytes:
case Unit::Bytes:
break;
case KiloBytes:
case Unit::KiloBytes:
count *= 1024;
break;
case MegaBytes:
case Unit::MegaBytes:
count *= 1024 * 1024;
break;
}