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-rw-r--r--src/liblzma/check/check.c128
1 files changed, 55 insertions, 73 deletions
diff --git a/src/liblzma/check/check.c b/src/liblzma/check/check.c
index 388b57e8..ed64fe5c 100644
--- a/src/liblzma/check/check.c
+++ b/src/liblzma/check/check.c
@@ -13,60 +13,77 @@
#include "check.h"
-// See the .lzma header format specification section 2.1.1.2.
-LZMA_API const uint32_t lzma_check_sizes[LZMA_CHECK_ID_MAX + 1] = {
- 0,
- 4, 4, 4,
- 8, 8, 8,
- 16, 16, 16,
- 32, 32, 32,
- 64, 64, 64
-};
+extern LZMA_API lzma_bool
+lzma_check_is_supported(lzma_check type)
+{
+ if ((unsigned)(type) > LZMA_CHECK_ID_MAX)
+ return false;
-LZMA_API const lzma_bool lzma_available_checks[LZMA_CHECK_ID_MAX + 1] = {
- true, // LZMA_CHECK_NONE
+ static const lzma_bool available_checks[LZMA_CHECK_ID_MAX + 1] = {
+ true, // LZMA_CHECK_NONE
#ifdef HAVE_CHECK_CRC32
- true,
+ true,
#else
- false,
+ false,
#endif
- false, // Reserved
- false, // Reserved
+ false, // Reserved
+ false, // Reserved
#ifdef HAVE_CHECK_CRC64
- true,
+ true,
#else
- false,
+ false,
#endif
- false, // Reserved
- false, // Reserved
- false, // Reserved
- false, // Reserved
- false, // Reserved
+ false, // Reserved
+ false, // Reserved
+ false, // Reserved
+ false, // Reserved
+ false, // Reserved
#ifdef HAVE_CHECK_SHA256
- true,
+ true,
#else
- false,
+ false,
#endif
- false, // Reserved
- false, // Reserved
- false, // Reserved
- false, // Reserved
- false, // Reserved
-};
+ false, // Reserved
+ false, // Reserved
+ false, // Reserved
+ false, // Reserved
+ false, // Reserved
+ };
+
+ return available_checks[(unsigned)(type)];
+}
-extern lzma_ret
-lzma_check_init(lzma_check *check, lzma_check_type type)
+extern LZMA_API uint32_t
+lzma_check_size(lzma_check type)
{
- lzma_ret ret = LZMA_OK;
+ if ((unsigned)(type) > LZMA_CHECK_ID_MAX)
+ return UINT32_MAX;
+
+ // See file-format.txt section 2.1.1.2.
+ static const uint8_t check_sizes[LZMA_CHECK_ID_MAX + 1] = {
+ 0,
+ 4, 4, 4,
+ 8, 8, 8,
+ 16, 16, 16,
+ 32, 32, 32,
+ 64, 64, 64
+ };
+
+ return check_sizes[(unsigned)(type)];
+}
+
+extern void
+lzma_check_init(lzma_check_state *check, lzma_check type)
+{
switch (type) {
case LZMA_CHECK_NONE:
break;
@@ -90,19 +107,15 @@ lzma_check_init(lzma_check *check, lzma_check_type type)
#endif
default:
- if ((unsigned)(type) <= LZMA_CHECK_ID_MAX)
- ret = LZMA_UNSUPPORTED_CHECK;
- else
- ret = LZMA_PROG_ERROR;
break;
}
- return ret;
+ return;
}
extern void
-lzma_check_update(lzma_check *check, lzma_check_type type,
+lzma_check_update(lzma_check_state *check, lzma_check type,
const uint8_t *buf, size_t size)
{
switch (type) {
@@ -133,18 +146,18 @@ lzma_check_update(lzma_check *check, lzma_check_type type,
extern void
-lzma_check_finish(lzma_check *check, lzma_check_type type)
+lzma_check_finish(lzma_check_state *check, lzma_check type)
{
switch (type) {
#ifdef HAVE_CHECK_CRC32
case LZMA_CHECK_CRC32:
- *(uint32_t *)(check->buffer) = check->state.crc32;
+ check->buffer.u32[0] = integer_le_32(check->state.crc32);
break;
#endif
#ifdef HAVE_CHECK_CRC64
case LZMA_CHECK_CRC64:
- *(uint64_t *)(check->buffer) = check->state.crc64;
+ check->buffer.u64[0] = integer_le_64(check->state.crc64);
break;
#endif
@@ -160,34 +173,3 @@ lzma_check_finish(lzma_check *check, lzma_check_type type)
return;
}
-
-
-/*
-extern bool
-lzma_check_compare(
- lzma_check *check1, lzma_check *check2, lzma_check_type type)
-{
- bool ret;
-
- switch (type) {
- case LZMA_CHECK_NONE:
- break;
-
- case LZMA_CHECK_CRC32:
- ret = check1->crc32 != check2->crc32;
- break;
-
- case LZMA_CHECK_CRC64:
- ret = check1->crc64 != check2->crc64;
- break;
-
- default:
- // Unsupported check
- assert(type <= 7);
- ret = false;
- break;
- }
-
- return ret;
-}
-*/