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authorIan Moffett <ian@osmora.org>2025-06-22 21:33:10 -0400
committerIan Moffett <ian@osmora.org>2025-06-22 21:33:10 -0400
commit8b6d02500abccb812e4e5d70a0d20cd1c83bad45 (patch)
treee7d43b8ac4470700893f62f2832e9251fabf05ef /lib/libc
parentb4cd46b70da539c1d550cb4b5cabf6881c0e614a (diff)
libc: malloc: Add HEAP_ALIGN define
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'lib/libc')
-rw-r--r--lib/libc/src/stdlib/malloc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/libc/src/stdlib/malloc.c b/lib/libc/src/stdlib/malloc.c
index 883854d..1c9e8ca 100644
--- a/lib/libc/src/stdlib/malloc.c
+++ b/lib/libc/src/stdlib/malloc.c
@@ -39,12 +39,13 @@
#define HEAP_SIZE 0x1001A8
#define HEAP_MAGIC 0x05306A /* "OSMORA" :~) */
+#define HEAP_ALIGN 4
#define HEAP_PROT PROT_READ | PROT_WRITE
#define BYTE_PTR(PTR) ((char *)(PTR))
#define HEAP_NEXT(BLOCKP, SIZE) \
PTR_OFFSET((BLOCKP), sizeof(struct mem_block) + (SIZE))
-struct __aligned(4) mem_block {
+struct __aligned(HEAP_ALIGN) mem_block {
uint32_t magic;
uint32_t size;
uint8_t allocated : 1;
@@ -121,7 +122,7 @@ malloc(size_t size)
struct mem_block *tail;
size_t inc_len = 0;
- size = ALIGN_UP(size, 4);
+ size = ALIGN_UP(size, HEAP_ALIGN);
inc_len = sizeof(*next_block) + size;
if (heap_len < 0) {