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Diffstat (limited to '')
-rw-r--r-- | ccan/ccan/build_assert/_info | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/ccan/ccan/build_assert/_info b/ccan/ccan/build_assert/_info deleted file mode 100644 index 97ebe6c..0000000 --- a/ccan/ccan/build_assert/_info +++ /dev/null @@ -1,49 +0,0 @@ -#include "config.h" -#include <stdio.h> -#include <string.h> - -/** - * build_assert - routines for build-time assertions - * - * This code provides routines which will cause compilation to fail should some - * assertion be untrue: such failures are preferable to run-time assertions, - * but much more limited since they can only depends on compile-time constants. - * - * These assertions are most useful when two parts of the code must be kept in - * sync: it is better to avoid such cases if possible, but seconds best is to - * detect invalid changes at build time. - * - * For example, a tricky piece of code might rely on a certain element being at - * the start of the structure. To ensure that future changes don't break it, - * you would catch such changes in your code like so: - * - * Example: - * #include <stddef.h> - * #include <ccan/build_assert/build_assert.h> - * - * struct foo { - * char string[5]; - * int x; - * }; - * - * static char *foo_string(struct foo *foo) - * { - * // This trick requires that the string be first in the structure - * BUILD_ASSERT(offsetof(struct foo, string) == 0); - * return (char *)foo; - * } - * - * License: CC0 (Public domain) - * Author: Rusty Russell <rusty@rustcorp.com.au> - */ -int main(int argc, char *argv[]) -{ - if (argc != 2) - return 1; - - if (strcmp(argv[1], "depends") == 0) - /* Nothing. */ - return 0; - - return 1; -} |