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create a custom definition for size_t and ssize_t, which is ssize and usize, for conveinience.

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Quinn
2025-09-18 10:39:57 +02:00
parent 1e24a4ee92
commit 6eb7d126da
10 changed files with 42 additions and 35 deletions
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10
src/dat/mcx.h
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@@ -9,7 +9,7 @@
/* contains chunk metadata */
struct mcx_chunk {
size_t idx; // byte offset for start of chunk data
usize idx; // byte offset for start of chunk data
u32 len; // byte length of chunk (+ padding)
u32 time; // modification time in epoch seconds
};
@@ -18,20 +18,20 @@ struct mcx_chunk {
* The chunk's location data shall become `0`, and timestamp data the current time.
* All succeeding chunks shall be moved back, freeing space.
* Returns the amount of bytes removed. */
size_t mcx_delchunk(u8 *restrict buf, int chunk) NONNULL((1));
usize mcx_delchunk(u8 *restrict buf, int chunk) NONNULL((1));
/* Deletes the range defined by `start`—`end` (inclusive) of chunks out of `buf`.
* The chunk's location data shall become `0`, and timestamp data the current time.
* All succeeding chunks shall be moved back, freeing space.
* Returns the amount of bytes removed */
size_t mcx_delchunk_range(u8 *restrict buf, int start, int end) NONNULL((1));
usize mcx_delchunk_range(u8 *restrict buf, int start, int end) NONNULL((1));
/* Deletes a `chunkc` chunks from `chunks` out of `buf`.
* If the `chunks` indices are known to be sequential, i.e. have a constant difference of `1`, `mcx_delchunk_range` should be preferred.
* The chunk's location data shall become `0`, and timestamp data the current time.
* All succeeding chunks shall be moved back, freeing space.
* Returns the amount of bytes removed */
size_t mcx_delchunk_bulk(u8 *restrict buf, const u16 *restrict chunks, int chunkc) NONNULL((1, 2));
usize mcx_delchunk_bulk(u8 *restrict buf, const u16 *restrict chunks, int chunkc) NONNULL((1, 2));
/* Computes the byte size of the `*.mcX` file in `buf` and returns it. */
size_t mcx_calcsize(const u8 *restrict buf) NONNULL((1)) PURE;
usize mcx_calcsize(const u8 *restrict buf) NONNULL((1)) PURE;