diff options
Diffstat (limited to 'c_src/ccan/build_assert/build_assert.h')
-rw-r--r-- | c_src/ccan/build_assert/build_assert.h | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/c_src/ccan/build_assert/build_assert.h b/c_src/ccan/build_assert/build_assert.h deleted file mode 100644 index b9ecd840..00000000 --- a/c_src/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 */ |