mirror of
https://github.com/microsoft/vcpkg.git
synced 2024-12-16 14:59:06 +08:00
107 lines
2.8 KiB
Diff
107 lines
2.8 KiB
Diff
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diff --git a/src/bplist.c b/src/bplist.c
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index 953c2c77..d7b4777a 100644
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--- a/src/bplist.c
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+++ b/src/bplist.c
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@@ -87,6 +87,28 @@ union plist_uint_ptr
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uint64_t *u64ptr;
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};
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+#ifdef _MSC_VER
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+uint64_t get_unaligned_64(uint64_t *ptr)
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+{
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+ uint64_t temp;
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+ memcpy(&temp, ptr, sizeof(temp));
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+ return temp;
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+}
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+
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+uint32_t get_unaligned_32(uint32_t *ptr)
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+{
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+ uint32_t temp;
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+ memcpy(&temp, ptr, sizeof(temp));
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+ return temp;
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+}
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+
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+uint16_t get_unaligned_16(uint16_t *ptr)
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+{
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+ uint16_t temp;
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+ memcpy(&temp, ptr, sizeof(temp));
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+ return temp;
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+}
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+#else
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#define get_unaligned(ptr) \
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({ \
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struct __attribute__((packed)) { \
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@@ -94,6 +116,7 @@ union plist_uint_ptr
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} *__p = (void *) (ptr); \
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__p->__v; \
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})
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+#endif
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#ifndef bswap16
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@@ -148,10 +171,23 @@ union plist_uint_ptr
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#define beNtoh(x,n) be64toh((x) << ((8-(n)) << 3))
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#endif
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+#ifdef _MSC_VER
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+uint64_t UINT_TO_HOST(void* x, uint8_t n)
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+{
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+ union plist_uint_ptr __up;
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+ __up.src = (n > 8) ? (char *)x + (n - 8) : x;
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+ return (n >= 8 ? be64toh( get_unaligned_64(__up.u64ptr) ) :
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+ (n == 4 ? be32toh( get_unaligned_32(__up.u32ptr) ) :
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+ (n == 2 ? be16toh( get_unaligned_16(__up.u16ptr) ) :
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+ (n == 1 ? *__up.u8ptr :
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+ beNtoh( get_unaligned_64(__up.u64ptr), n)
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+ ))));
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+}
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+#else
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#define UINT_TO_HOST(x, n) \
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({ \
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union plist_uint_ptr __up; \
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- __up.src = ((n) > 8) ? (x) + ((n) - 8) : (x); \
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+ __up.src = ((n) > 8) ? ((char *)x) + ((n) - 8) : (x); \
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((n) >= 8 ? be64toh( get_unaligned(__up.u64ptr) ) : \
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((n) == 4 ? be32toh( get_unaligned(__up.u32ptr) ) : \
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((n) == 2 ? be16toh( get_unaligned(__up.u16ptr) ) : \
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@@ -159,6 +195,7 @@ union plist_uint_ptr
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beNtoh( get_unaligned(__up.u64ptr), n) \
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)))); \
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})
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+#endif
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#define get_needed_bytes(x) \
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( ((uint64_t)(x)) < (1ULL << 8) ? 1 : \
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@@ -277,11 +314,19 @@ static plist_t parse_real_node(const char **bnode, uint8_t size)
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switch (size)
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{
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case sizeof(uint32_t):
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+#ifdef _MSC_VER
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+ *(uint32_t*)buf = float_bswap32(get_unaligned_32((uint32_t*)*bnode));
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+#else
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*(uint32_t*)buf = float_bswap32(get_unaligned((uint32_t*)*bnode));
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+#endif
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data->realval = *(float *) buf;
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break;
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case sizeof(uint64_t):
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+#ifdef _MSC_VER
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+ *(uint64_t*)buf = float_bswap64(get_unaligned_64((uint64_t*)*bnode));
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+#else
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*(uint64_t*)buf = float_bswap64(get_unaligned((uint64_t*)*bnode));
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+#endif
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data->realval = *(double *) buf;
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break;
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default:
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@@ -343,7 +388,11 @@ static char *plist_utf16be_to_utf8(uint16_t *unistr, long len, long *items_read,
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}
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while (i < len) {
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+#if _MSC_VER
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+ wc = be16toh(get_unaligned_16(unistr + i));
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+#else
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wc = be16toh(get_unaligned(unistr + i));
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+#endif
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i++;
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if (wc >= 0xD800 && wc <= 0xDBFF) {
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if (!read_lead_surrogate) {
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