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authorRich Felker <dalias@aerifal.cx>2011-02-15 05:06:15 -0500
committerRich Felker <dalias@aerifal.cx>2011-02-15 05:06:15 -0500
commit13a026bd79f0024d57b7edf8305d625599d10810 (patch)
treebda85345568f69378fe3622af53f79be0612721e /arch/i386
parent03a2f3e48caec15b1a9cebccc85328e9b8169df0 (diff)
downloadmusl-13a026bd79f0024d57b7edf8305d625599d10810.tar.gz
split off arch-specific stdarg.h stuff
Diffstat (limited to 'arch/i386')
-rw-r--r--arch/i386/bits/stdarg.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/i386/bits/stdarg.h b/arch/i386/bits/stdarg.h
new file mode 100644
index 00000000..6b1830d2
--- /dev/null
+++ b/arch/i386/bits/stdarg.h
@@ -0,0 +1,9 @@
+#define __VA_ALIGNED_SIZE(x) ((sizeof(x) + sizeof(int) - 1) & ~(sizeof(int) - 1))
+
+#define va_start(ap, last) ((ap) = (void *)(((char *)&(last)) + __VA_ALIGNED_SIZE(last)))
+#define va_end(ap) ((void)0)
+#define va_copy(dest, src) ((dest) = (src))
+
+#define va_arg(ap, type) \
+ ( ((ap) = (va_list)((char *)(ap) + __VA_ALIGNED_SIZE(type))), \
+ *(type *)(void *)((char *)(ap) - __VA_ALIGNED_SIZE(type)) )