diff options
| author | William Casarin <jb55@jb55.com> | 2018-07-09 22:28:25 -0700 |
|---|---|---|
| committer | William Casarin <jb55@jb55.com> | 2018-07-09 22:31:48 -0700 |
| commit | 9593fc545950782ed75f12f53238b07885559b2b (patch) | |
| tree | 9c7c2f7cbb427c54e9184cb61eedce737a6cbc6f /ccan/build_assert/build_assert.h | |
| parent | bd8c223756d2f912526ecef53bae0cc8e0c63442 (diff) | |
remove ccan for now
Diffstat (limited to 'ccan/build_assert/build_assert.h')
| -rw-r--r-- | ccan/build_assert/build_assert.h | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/ccan/build_assert/build_assert.h b/ccan/build_assert/build_assert.h deleted file mode 100644 index b9ecd84..0000000 --- a/ccan/build_assert/build_assert.h +++ /dev/null @@ -1,40 +0,0 @@ -/* CC0 (Public domain) - see LICENSE file for details */ -#ifndef CCAN_BUILD_ASSERT_H -#define CCAN_BUILD_ASSERT_H - -/** - * BUILD_ASSERT - assert a build-time dependency. - * @cond: the compile-time condition which must be true. - * - * Your compile will fail if the condition isn't true, or can't be evaluated - * by the compiler. This can only be used within a function. - * - * Example: - * #include <stddef.h> - * ... - * static char *foo_to_char(struct foo *foo) - * { - * // This code needs string to be at start of foo. - * BUILD_ASSERT(offsetof(struct foo, string) == 0); - * return (char *)foo; - * } - */ -#define BUILD_ASSERT(cond) \ - do { (void) sizeof(char [1 - 2*!(cond)]); } while(0) - -/** - * BUILD_ASSERT_OR_ZERO - assert a build-time dependency, as an expression. - * @cond: the compile-time condition which must be true. - * - * Your compile will fail if the condition isn't true, or can't be evaluated - * by the compiler. This can be used in an expression: its value is "0". - * - * Example: - * #define foo_to_char(foo) \ - * ((char *)(foo) \ - * + BUILD_ASSERT_OR_ZERO(offsetof(struct foo, string) == 0)) - */ -#define BUILD_ASSERT_OR_ZERO(cond) \ - (sizeof(char [1 - 2*!(cond)]) - 1) - -#endif /* CCAN_BUILD_ASSERT_H */ |
