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Code Issues 1 Releases Wiki Activity

Update ffi/write to append to a buffer by default.

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Calvin Rose
2025-03-28 09:59:02 -05:00
parent 707463a645
commit b458404b41
3 changed files with 11 additions and 1 deletions
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src/core/ffi.c
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@@ -1686,7 +1686,7 @@ JANET_CORE_FN(cfun_ffi_buffer_write,
JanetFFIType type = decode_ffi_type(argv[0]);
uint32_t el_size = (uint32_t) type_size(type);
JanetBuffer *buffer = janet_optbuffer(argv, argc, 2, el_size);
int32_t index = janet_optnat(argv, argc, 3, 0);
int32_t index = janet_optnat(argv, argc, 3, buffer->count);
int32_t old_count = buffer->count;
if (index > old_count) janet_panic("index out of bounds");
buffer->count = index;