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Diffstat (limited to 'mcon/U/Assert.U')
| -rw-r--r-- | mcon/U/Assert.U | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/mcon/U/Assert.U b/mcon/U/Assert.U new file mode 100644 index 0000000..76de54d --- /dev/null +++ b/mcon/U/Assert.U @@ -0,0 +1,26 @@ +?RCS: +?RCS: Copyright (c) 2012 Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic License, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic License; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?MAKE:Assert: cat +?MAKE: -pick add $@ %< +?F:./static_assert.h +: static assertion checking include file +?X: +?X: C programs can include this file to perform STATIC_ASSERT() checks +?X: which are done at compile-time and cause the compilation to fail when +?X: the expression is false. +?X: +?X: It is sufficient to compile with: $cc -c $ccflags try.c +?X: There is no need to link the file to spot the assertion failure. +?X: +$cat >static_assert.h <<'EOC' +#define STATIC_ASSERT(expr) \ + do { switch (0) { case ((expr) ? 1 : 0): case 0: break; } } while(0) +EOC + |