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Diffstat (limited to 'ccan/ccan/container_of/_info')
-rw-r--r-- | ccan/ccan/container_of/_info | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/ccan/ccan/container_of/_info b/ccan/ccan/container_of/_info deleted file mode 100644 index b116052..0000000 --- a/ccan/ccan/container_of/_info +++ /dev/null @@ -1,65 +0,0 @@ -#include "config.h" -#include <stdio.h> -#include <string.h> - -/** - * container_of - routine for upcasting - * - * It is often convenient to create code where the caller registers a pointer - * to a generic structure and a callback. The callback might know that the - * pointer points to within a larger structure, and container_of gives a - * convenient and fairly type-safe way of returning to the enclosing structure. - * - * This idiom is an alternative to providing a void * pointer for every - * callback. - * - * Example: - * #include <stdio.h> - * #include <ccan/container_of/container_of.h> - * - * struct timer { - * void *members; - * }; - * - * struct info { - * int my_stuff; - * struct timer timer; - * }; - * - * static void my_timer_callback(struct timer *timer) - * { - * struct info *info = container_of(timer, struct info, timer); - * printf("my_stuff is %u\n", info->my_stuff); - * } - * - * static void register_timer(struct timer *timer) - * { - * (void)timer; - * (void)my_timer_callback; - * //... - * } - * - * int main(void) - * { - * struct info info = { .my_stuff = 1 }; - * - * register_timer(&info.timer); - * // ... - * return 0; - * } - * - * 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) { - printf("ccan/check_type\n"); - return 0; - } - - return 1; -} |