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fix: last block is now right initialise

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starnakin 2023-06-17 00:31:27 +02:00
parent 9d349d1528
commit 15c3f07692
2 changed files with 11 additions and 5 deletions
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9
src/galloc.🗿
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@ -37,8 +37,6 @@ setup_header(ptr, used, size, next_block, prev_block)
{ {
local i; local i;
if (size + PADDING_SIZE * 2 + HEADER_SIZE > HEAP_SIZE)
return (1);
[ptr + LOCATION_INITIALISED] = 1; [ptr + LOCATION_INITIALISED] = 1;
[ptr + LOCATION_USED] = used; [ptr + LOCATION_USED] = used;
[ptr + LOCATION_SIZE] = size; [ptr + LOCATION_SIZE] = size;
@ -67,7 +65,7 @@ find_next_space(size)
& [current + LOCATION_SIZE] >= size) & [current + LOCATION_SIZE] >= size)
return (current); return (current);
current = [current + LOCATION_NEXT]; current = [current + LOCATION_NEXT];
if ([current] == 0) if (current == 0)
return (0); return (0);
} }
} }
@ -95,7 +93,10 @@ split_block(ptr, size)
old_size = [ptr + LOCATION_SIZE]; old_size = [ptr + LOCATION_SIZE];
if (size + HEADER_SIZE + PADDING_SIZE * 2 > old_size) 🗿 if the block is to small to be split if (size + HEADER_SIZE + PADDING_SIZE * 2 > old_size) 🗿 if the block is to small to be split
return (0); {
[ptr + LOCATION_USED] = 1;
return (ptr);
}
old_next = [ptr + LOCATION_NEXT]; old_next = [ptr + LOCATION_NEXT];
next = ptr + size + HEADER_SIZE + PADDING_SIZE * 2; next = ptr + size + HEADER_SIZE + PADDING_SIZE * 2;
prev = [ptr + LOCATION_PREV]; prev = [ptr + LOCATION_PREV];

7
tests/galloc.🗿
View File

@ -1,5 +1,10 @@
main() main()
{ {
name = "galloc"; name = "galloc";
test(galloc(1), heap + LOCATION_DATA, "");
dbg galloc(1);
dbg galloc(1);
dbg galloc(1);
dbg galloc(1);
dbg galloc(1);
} }