apaki/unicstl
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还是不对，这么处理感觉好复杂啊，是不是我全部修改为闭区间容易处理一点？

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建峰 2025-04-30 14:08:10 +08:00
parent 3f8f418d4e
commit 46caba5943
1 changed files with 51 additions and 39 deletions
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90
src/list.c
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@ -347,11 +347,61 @@ done:
bool contain_last_obj = false; bool contain_last_obj = false;
int temp = 0; int temp = 0;
bool negative = false; bool negative = false;
int start0 = start;
int end0 = end;
if (step == 0) if (step == 0)
{ {
return NULL; return NULL;
} }
if(start0 == LIST_UNLIMITED)
{
start = 0 - (int)LIST_UNLIMITED;
}
if(end0 == LIST_UNLIMITED)
{
end = (int)LIST_UNLIMITED;
}
if(start < 0)
{
start += (int)self->size(self);
if(start < 0)
{
start = 0;
}
}
else
{
if(start >= (int)self->size(self))
{
empty = true;
}
}
if(end < 0)
{
end += (int)self->size(self);
if(end < 0)
{
empty = true;
}
}
else
{
if (end >= (int)self->size(self))
{
end = (int)self->size(self);
}
if(step < 0)
{
contain_last_obj = true;
}
}
if(step < 0) if(step < 0)
{ {
negative = true; negative = true;
@ -375,45 +425,7 @@ done:
{ {
end = temp; end = temp;
} }
} end = temp;
if(start < 0)
{
start += (int)self->size(self);
if(start < 0)
{
start = 0;
}
}
else
{
if(start == LIST_UNLIMITED)
{
start = 0;
contain_last_obj = true;
}
if(start >= (int)self->size(self))
{
empty = true;
}
}
if(end < 0)
{
end += (int)self->size(self);
if(end < 0)
{
empty = true;
}
}
else
{
if (end == LIST_UNLIMITED || end >= (int)self->size(self))
{
end = (int)self->size(self) - 1;
contain_last_obj = true;
}
} }
if(start >= end) if(start >= end)