#include #include #include "config.h" /** * tlist - typesafe double linked list routines * * The list header contains routines for manipulating double linked lists; * this extends it so you can create list head types which only accomodate * a specific entry type. * * Example: * #include * #include * #include * #include * * // We could use TLIST_TYPE(children, struct child) to define this. * struct tlist_children { * struct list_head raw; * TCON(struct child *canary); * }; * struct parent { * const char *name; * struct tlist_children children; * unsigned int num_children; * }; * * struct child { * const char *name; * struct list_node list; * }; * * int main(int argc, char *argv[]) * { * struct parent p; * struct child *c; * unsigned int i; * * if (argc < 2) * errx(1, "Usage: %s parent children...", argv[0]); * * p.name = argv[1]; * tlist_init(&p.children); * for (i = 2; i < argc; i++) { * c = malloc(sizeof(*c)); * c->name = argv[i]; * tlist_add(&p.children, c, list); * p.num_children++; * } * * printf("%s has %u children:", p.name, p.num_children); * tlist_for_each(&p.children, c, list) * printf("%s ", c->name); * printf("\n"); * return 0; * } * * License: LGPL * Author: Rusty Russell */ int main(int argc, char *argv[]) { if (argc != 2) return 1; if (strcmp(argv[1], "depends") == 0) { printf("ccan/list\n"); printf("ccan/tcon\n"); return 0; } return 1; }