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-rw-r--r--nv_pair_list.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/nv_pair_list.c b/nv_pair_list.c
new file mode 100644
index 0000000..d735f5b
--- /dev/null
+++ b/nv_pair_list.c
@@ -0,0 +1,98 @@
+/* nv_pair_list.c - the itsy package management system
+
+ Carl D. Worth
+
+ Copyright (C) 2001 University of Southern California
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+*/
+
+#include "ipkg.h"
+
+#include "nv_pair.h"
+#include "void_list.h"
+#include "nv_pair_list.h"
+
+int nv_pair_list_elt_init(nv_pair_list_elt_t *elt, nv_pair_t *data)
+{
+ return void_list_elt_init((void_list_elt_t *) elt, data);
+}
+
+void nv_pair_list_elt_deinit(nv_pair_list_elt_t *elt)
+{
+ void_list_elt_deinit((void_list_elt_t *) elt);
+}
+
+int nv_pair_list_init(nv_pair_list_t *list)
+{
+ return void_list_init((void_list_t *) list);
+}
+
+void nv_pair_list_deinit(nv_pair_list_t *list)
+{
+ nv_pair_list_elt_t *iter;
+ nv_pair_t *nv_pair;
+
+ for (iter = list->head; iter; iter = iter->next) {
+ nv_pair = iter->data;
+ nv_pair_deinit(nv_pair);
+
+ /* malloced in nv_pair_list_append */
+ free(nv_pair);
+ iter->data = NULL;
+ }
+ void_list_deinit((void_list_t *) list);
+}
+
+nv_pair_t *nv_pair_list_append(nv_pair_list_t *list, const char *name, const char *value)
+{
+ int err;
+
+ /* freed in nv_pair_list_deinit */
+ nv_pair_t *nv_pair = malloc(sizeof(nv_pair_t));
+
+ if (nv_pair == NULL) {
+ fprintf(stderr, "%s: out of memory\n", __FUNCTION__);
+ return NULL;
+ }
+ nv_pair_init(nv_pair, name, value);
+
+ err = void_list_append((void_list_t *) list, nv_pair);
+ if (err) {
+ return NULL;
+ }
+
+ return nv_pair;
+}
+
+int nv_pair_list_push(nv_pair_list_t *list, nv_pair_t *data)
+{
+ return void_list_push((void_list_t *) list, data);
+}
+
+nv_pair_list_elt_t *nv_pair_list_pop(nv_pair_list_t *list)
+{
+ return (nv_pair_list_elt_t *) void_list_pop((void_list_t *) list);
+}
+
+char *nv_pair_list_find(nv_pair_list_t *list, char *name)
+{
+ nv_pair_list_elt_t *iter;
+ nv_pair_t *nv_pair;
+
+ for (iter = list->head; iter; iter = iter->next) {
+ nv_pair = iter->data;
+ if (strcmp(nv_pair->name, name) == 0) {
+ return nv_pair->value;
+ }
+ }
+ return NULL;
+}