diff options
author | Linus Nordberg <linus@nordu.net> | 2010-11-11 10:30:35 +0100 |
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committer | Linus Nordberg <linus@nordu.net> | 2010-11-11 10:30:35 +0100 |
commit | 83e82dba47aced4a93f9e431b4d8bca94c2f8517 (patch) | |
tree | 7ff1779ea924d557b6ded9bd21c0cc8a65f062dd /lib/rsp_list.c | |
parent | f9b25cad24ec4e3e89e818457beb29cbe08eed0c (diff) |
Bringing up TLS connections working.
NOTE: Clean up of resources not yet sane. Expect resource leakages.
NOTE: Most failure cases are not handled properly. With the wind at
your back and the sun shining, it might work.
Diffstat (limited to 'lib/rsp_list.c')
-rw-r--r-- | lib/rsp_list.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/lib/rsp_list.c b/lib/rsp_list.c new file mode 100644 index 0000000..b6cfe33 --- /dev/null +++ b/lib/rsp_list.c @@ -0,0 +1,127 @@ +/* + * Copyright (C) 2006-2009 Stig Venaas <venaas@uninett.no> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + */ + +#if defined HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdlib.h> +#include <string.h> +#include "rsp_list.h" + +/* allocates and initialises list structure; returns NULL if malloc fails */ +struct list *list_create() { + struct list *list = malloc(sizeof(struct list)); + if (list) + memset(list, 0, sizeof(struct list)); + return list; +} + +/* frees all memory associated with the list */ +void list_destroy(struct list *list) { + struct list_node *node, *next; + + if (!list) + return; + + for (node = list->first; node; node = next) { + free(node->data); + next = node->next; + free(node); + } + free(list); +} + +/* appends entry to list; returns 1 if ok, 0 if malloc fails */ +int list_push(struct list *list, void *data) { + struct list_node *node; + + node = malloc(sizeof(struct list_node)); + if (!node) + return 0; + + node->next = NULL; + node->data = data; + + if (list->first) + list->last->next = node; + else + list->first = node; + list->last = node; + + list->count++; + return 1; +} + +/* removes first entry from list and returns data */ +void *list_shift(struct list *list) { + struct list_node *node; + void *data; + + if (!list || !list->first) + return NULL; + + node = list->first; + list->first = node->next; + if (!list->first) + list->last = NULL; + data = node->data; + free(node); + list->count--; + return data; +} + +/* removes all entries with matching data pointer */ +void list_removedata(struct list *list, void *data) { + struct list_node *node, *t; + + if (!list || !list->first) + return; + + node = list->first; + while (node->data == data) { + list->first = node->next; + free(node); + list->count--; + node = list->first; + if (!node) { + list->last = NULL; + return; + } + } + for (; node->next; node = node->next) + if (node->next->data == data) { + t = node->next; + node->next = t->next; + free(t); + list->count--; + if (!node->next) { /* we removed the last one */ + list->last = node; + return; + } + } +} + +/* returns first node */ +struct list_node *list_first(struct list *list) { + return list ? list->first : NULL; +} + +/* returns the next node after the argument */ +struct list_node *list_next(struct list_node *node) { + return node->next; +} + +/* returns number of nodes */ +uint32_t list_count(struct list *list) { + return list->count; +} + +/* Local Variables: */ +/* c-file-style: "stroustrup" */ +/* End: */ |