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Add G_STATIC_ASSERT_EXPR macro

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https://bugzilla.gnome.org/show_bug.cgi?id=626549
This commit is contained in:
Ryan Lortie
2011-05-22 12:44:12 -04:00
committed by Matthias Clasen
parent 64d5a0404a
commit c00ef0a17a
2 changed files with 19 additions and 0 deletions
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glib/gmacros.h
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@@ -147,6 +147,7 @@
#define G_PASTE_ARGS(identifier1,identifier2) identifier1 ## identifier2
#define G_PASTE(identifier1,identifier2) G_PASTE_ARGS (identifier1, identifier2)
#define G_STATIC_ASSERT(expr) typedef struct { char Compile_Time_Assertion[(expr) ? 1 : -1]; } G_PASTE (_GStaticAssert_, __LINE__)
#define G_STATIC_ASSERT_EXPR(expr) ((void) sizeof (char[(expr) ? 1 : -1]))
/* Provide a string identifying the current code position */
#if defined(__GNUC__) && (__GNUC__ < 3) && !defined(__cplusplus)