Package: hfsplus
Severity: normal
Tags: patch
When building 'hfsplus' on ppc64 with gcc-4.0,
I get the following error:
btree.c:86: error: invalid lvalue in increment
btree.c:87: error: invalid lvalue in increment
btree.c:88: error: invalid lvalue in increment
btree.c:89: error: invalid lvalue in increment
btree.c:90: error: invalid lvalue in increment
btree.c:91: error: invalid lvalue in increment
btree.c:92: error: invalid lvalue in increment
btree.c:93: error: invalid lvalue in increment
btree.c:94: error: invalid lvalue in increment
btree.c:97: error: invalid lvalue in increment
btree.c:99: error: invalid lvalue in increment
make[4]: *** [btree.lo] Error 1
make[4]: Leaving directory `/hfsplus-1.0.4/libhfsp/src'
With the attached patch 'hfsplus' can be compiled
on ppc64 using gcc-4.0.
Regards
Andreas Jochens
diff -urN ../tmp-orig/hfsplus-1.0.4/libhfsp/src/swab.h ./libhfsp/src/swab.h
--- ../tmp-orig/hfsplus-1.0.4/libhfsp/src/swab.h 2005-03-18
19:51:47.198933593 +0100
+++ ./libhfsp/src/swab.h 2005-03-18 19:50:04.403589114 +0100
@@ -48,25 +48,25 @@
#define bswabU16(val) val
-#define bswabU16_inc(ptr) (*((UInt16*) (ptr))++)
+#define bswabU16_inc(ptr) ptr = (UInt16*)ptr + 1
/* Only available as a GCC extension, but required on sparc due to
alignment issues in some of the on-disk structs */
#if defined(__GNUC__) && defined(__sparc__)
#define bswabU32_inc(ptr) ({ \
unsigned char *c = (char*)ptr; \
- ((UInt32 *)ptr)++; \
+ ptr = ((UInt32 *)ptr) + 1; \
((c[0] << 24)+(c[1] << 16)+(c[2] << 8)+c[3]);})
#define bswabU64_inc(ptr) ({ \
unsigned char *c = (char*)ptr; \
UInt64 val = 0; \
int i = 0; \
- ((UInt64 *)ptr)++; \
+ ptr = ((UInt64 *)ptr) + 1; \
while (i < 8) \
val += (c[i] << (8*(7-i++))); \
val;})
#else
-#define bswabU32_inc(ptr) (*((UInt32*) (ptr))++)
-#define bswabU64_inc(ptr) (*((UInt64*) (ptr))++)
+#define bswabU32_inc(ptr) ptr = (UInt32*)ptr + 1
+#define bswabU64_inc(ptr) ptr = (UInt64*)ptr + 1
#endif
#define bstoreU16_inc(ptr, val) *((UInt16*) (ptr)) = val; ptr = (UInt16*)ptr +
1
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