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forcing xxhash to use the stack instead of the heap

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amir
2026-03-08 10:47:18 +01:00
parent dd0797df79
commit c846952cbf
1 changed files with 4 additions and 5 deletions
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9
platform_windows.c
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@@ -388,18 +388,17 @@ static void xxh3_hash_file_stream(const char *path, char *out_hex) {
return; return;
} }
XXH128_hash_t h; XXH128_hash_t h;
XXH3_state_t *state = XXH3_createState(); XXH3_state_t state;
XXH3_128bits_reset(state); XXH3_128bits_reset(&state);
BYTE *buf = (BYTE *)malloc(READ_BLOCK); BYTE *buf = (BYTE *)malloc(READ_BLOCK);
DWORD read = 0; DWORD read = 0;
BOOL ok; BOOL ok;
while (ReadFile(hFile, buf, READ_BLOCK, &read, NULL) && read > 0) { while (ReadFile(hFile, buf, READ_BLOCK, &read, NULL) && read > 0) {
XXH3_128bits_update(state, buf, (size_t)read); XXH3_128bits_update(&state, buf, (size_t)read);
atomic_fetch_add(&g_bytes_processed, (uint64_t)read); atomic_fetch_add(&g_bytes_processed, (uint64_t)read);
} }
h = XXH3_128bits_digest(state); h = XXH3_128bits_digest(&state);
XXH3_freeState(state);
CloseHandle(hFile); CloseHandle(hFile);
free(buf); free(buf);
snprintf(out_hex, HASH_STRLEN, "%016llx%016llx", (unsigned long long)h.high64, snprintf(out_hex, HASH_STRLEN, "%016llx%016llx", (unsigned long long)h.high64,