From: Timo Sirainen <tss@iki.fi>
Date: Thu, 30 Jan 2003 17:51:32 +0000 (+0200)
Subject: Removed STRUCT_OFFSET, offsetof() is ANSI-C for the same purpose. Added
X-Git-Tag: 1.1.alpha1~5054
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c856e87cf8e535c3ecf351fa28d7553c7ca9994a;p=thirdparty%2Fdovecot%2Fcore.git

Removed STRUCT_OFFSET, offsetof() is ANSI-C for the same purpose. Added
MEMBER() macro to define C99-style struct labels.

--HG--
branch : HEAD
---

diff --git a/src/lib/macros.h b/src/lib/macros.h
index b350ca7f04..78defb1c7d 100644
--- a/src/lib/macros.h
+++ b/src/lib/macros.h
@@ -57,12 +57,10 @@
 /* Provide convenience macros for handling structure
  * fields through their offsets.
  */
-#define STRUCT_OFFSET(struct_p, member) \
-    ((long) ((char *) &((struct_p)->member) - (char *) (struct_p)))
 #define STRUCT_MEMBER_P(struct_p, struct_offset) \
-    ((void *) ((char *) (struct_p) + (long) (struct_offset)))
+	((void *) ((char *) (struct_p) + (long) (struct_offset)))
 #define STRUCT_MEMBER(member_type, struct_p, struct_offset) \
-    (*(member_type *) G_STRUCT_MEMBER_P((struct_p), (struct_offset)))
+	(*(member_type *) G_STRUCT_MEMBER_P((struct_p), (struct_offset)))
 
 /* Provide simple macro statement wrappers (adapted from Perl):
    STMT_START { statements; } STMT_END;
@@ -106,6 +104,13 @@
 #  define __attr_unused__
 #endif
 
+/* C99-style struct member definitions */
+#if (defined(__STDC__) && __STDC_VERSION__ >= 199901L) || __GNUC__ > 2
+#  define MEMBER(name) .name =
+#else
+#  define MEMBER(name)
+#endif
+
 /* Wrap the gcc __PRETTY_FUNCTION__ and __FUNCTION__ variables with
    macros, so we can refer to them as strings unconditionally. */
 #ifdef __GNUC__