widl: Fix for typelib generation when unaligned access to memory is not allowed
André Hentschel
nerv at dawncrow.de
Sat Nov 13 12:02:02 CST 2010
caused a "Bus error" on sparc
---
tools/widl/write_msft.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/tools/widl/write_msft.c b/tools/widl/write_msft.c
index da4eb25..5175b73 100644
--- a/tools/widl/write_msft.c
+++ b/tools/widl/write_msft.c
@@ -1208,7 +1208,11 @@ static void write_value(msft_typelib_t* typelib, int *out, int vt, const void *v
int len = strlen(s), seg_len = (len + 6 + 3) & ~0x3;
int offset = ctl2_alloc_segment(typelib, MSFT_SEG_CUSTDATA, seg_len, 0);
*((unsigned short *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset]) = vt;
- *((unsigned int *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+2]) = len;
+#ifdef ALLOW_UNALIGNED_ACCESS
+ *((unsigned int *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+2]) = len;
+#else
+ memcpy(&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+2], &len, sizeof(len));
+#endif
memcpy(&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+6], value, len);
len += 6;
while(len < seg_len) {
--
Best Regards, André Hentschel
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