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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 19:59:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 19:59:03 +0000
commita848231ae0f346dc7cc000973fbeb65b0894ee92 (patch)
tree44b60b367c86723cc78383ef247885d72b388afe /src/util/compat_va_copy.h
parentInitial commit. (diff)
downloadpostfix-a848231ae0f346dc7cc000973fbeb65b0894ee92.tar.xz
postfix-a848231ae0f346dc7cc000973fbeb65b0894ee92.zip
Adding upstream version 3.8.5.upstream/3.8.5
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/util/compat_va_copy.h')
-rw-r--r--src/util/compat_va_copy.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/util/compat_va_copy.h b/src/util/compat_va_copy.h
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+#ifndef _COMPAT_VA_COPY_H_INCLUDED_
+#define _COMPAT_VA_COPY_H_INCLUDED_
+
+/*++
+/* NAME
+/* compat_va_copy 3h
+/* SUMMARY
+/* compatibility
+/* SYNOPSIS
+/* #include <compat_va_copy.h>
+/* DESCRIPTION
+/* .nf
+
+ /*
+ * C99 defines va_start and va_copy as macros, so we can probe the
+ * compilation environment with #ifdef etc. Some environments define
+ * __va_copy so we probe for that, too.
+ */
+#if !defined(va_start)
+#error "include <stdarg.h> first"
+#endif
+
+#if !defined(VA_COPY)
+#if defined(va_copy)
+#define VA_COPY(dest, src) va_copy(dest, src)
+#elif defined(__va_copy)
+#define VA_COPY(dest, src) __va_copy(dest, src)
+#else
+#define VA_COPY(dest, src) (dest) = (src)
+#endif
+#endif /* VA_COPY */
+
+/* LICENSE
+/* .ad
+/* .fi
+/* The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/* Wietse Venema
+/* IBM T.J. Watson Research
+/* P.O. Box 704
+/* Yorktown Heights, NY 10598, USA
+/*--*/
+
+#endif