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ENH: add a try compile for va_copy

This commit is contained in:
Bill Hoffman 2007-11-16 14:06:40 -05:00
parent 96bf9b372a
commit beaea73fa0
3 changed files with 11 additions and 3 deletions
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2
Utilities/cmxmlrpc/CMakeLists.txt
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@ -44,6 +44,8 @@ INCLUDE (TryCompileFromSource)
SET(HEADER_INCLUDES "${CURRENT_INCLUDES}")
TRY_COMPILE_FROM_SOURCE("va_list list1, list2; list1 = list2"
VA_LIST_ISNOT_ARRAY_DEFINE)
TRY_COMPILE_FROM_SOURCE("va_list list1, list2; va_copy(list1, list2);"
HAS_VA_COPY)
SET(VA_LIST_IS_ARRAY_DEFINE 0)
IF(NOT VA_LIST_ISNOT_ARRAY_DEFINE)
SET(VA_LIST_IS_ARRAY_DEFINE 1)

2
Utilities/cmxmlrpc/xmlrpc_config.h.in
View File

@ -22,6 +22,8 @@
#define VA_LIST_IS_ARRAY @VA_LIST_IS_ARRAY_DEFINE@
#cmakedefine HAS_VA_COPY @HAS_VA_COPY@
#define HAVE_LIBWWW_SSL @HAVE_LIBWWW_SSL_DEFINE@
#define ATTR_UNUSED @ATTR_UNUSED@

10
Utilities/cmxmlrpc/xmlrpc_data.c
View File

@ -24,10 +24,14 @@ typedef double va_double;
** tricky fashions. We don't why Python does this, but since we're
** abusing our va_list objects in a similar fashion, we'll copy them
** too. */
#if VA_LIST_IS_ARRAY
#define VA_LIST_COPY(dest,src) memcpy((dest), (src), sizeof(va_list))
#ifdef HAS_VA_COPY
# define VA_LIST_COPY(dest,src) va_copy((dest), (src))
#else
#define VA_LIST_COPY(dest,src) ((dest) = (src))
# if VA_LIST_IS_ARRAY
# define VA_LIST_COPY(dest,src) memcpy((dest), (src), sizeof(va_list))
# else
# define VA_LIST_COPY(dest,src) ((dest) = (src))
# endif
#endif