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Fix igc_header for Mingw64

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* src/igc-types.h (union igc_header): Use uint32_t instead for size_t.
Apparently needed for Mingw64; with size_t the header grows to 16 bytes.
* src/igc.c: Move static assert to igc-types.h.
This commit is contained in:
Helmut Eller 2026-03-24 09:37:09 +01:00
parent 6a321be685
commit a4eb23205a
2 changed files with 7 additions and 6 deletions
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11
src/igc-types.h
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@ -96,15 +96,15 @@ union igc_header
{
enum igc_tag tag : IGC_HEADER_TAG_BITS;
enum igc_obj_type obj_type : IGC_HEADER_TYPE_BITS;
size_t hash : IGC_HEADER_HASH_BITS;
size_t nwords : IGC_HEADER_NWORDS_BITS;
uint32_t hash : IGC_HEADER_HASH_BITS;
uint32_t nwords : IGC_HEADER_NWORDS_BITS;
} s;
#endif
#ifdef WORDS_BIGENDIAN
struct
{
size_t nwords : IGC_HEADER_NWORDS_BITS;
size_t hash : IGC_HEADER_HASH_BITS;
uint32_t nwords : IGC_HEADER_NWORDS_BITS;
uint32_t hash : IGC_HEADER_HASH_BITS;
enum igc_obj_type obj_type : IGC_HEADER_TYPE_BITS;
enum igc_tag tag : IGC_HEADER_TAG_BITS;
} s;
@ -113,4 +113,7 @@ union igc_header
GCALIGNED_UNION_MEMBER
};
static_assert (sizeof (*(union igc_header*) 0).s == 8);
static_assert (sizeof (union igc_header) == 8);
#endif /* EMACS_IGC_TYPES_H */

2
src/igc.c
View file

@ -663,8 +663,6 @@ struct igc_fwd
mps_addr_t new_addr;
};
static_assert (sizeof (union igc_header) == 8);
static void
check_header_bit (union igc_header h1, size_t i, size_t shift)
{