1 files changed, 176 insertions, 0 deletions
diff --git a/src/pacman/list.c b/src/pacman/list.c
new file mode 100644
index 00000000..84af1784
--- /dev/null
+++ b/src/pacman/list.c
@@ -0,0 +1,176 @@
+/*
+ *  list.c
+ * 
+ *  Copyright (c) 2002-2005 by Judd Vinet <jvinet@zeroflux.org>
+ * 
+ *  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 of the License, 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.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
+ *  USA.
+ */
+
+#include "config.h"
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+/* pacman */
+#include "list.h"
+
+extern int maxcols;
+
+static list_t *list_last(list_t *list);
+
+list_t *list_new()
+{
+	list_t *list = NULL;
+	
+	list = (list_t *)malloc(sizeof(list_t));
+	if(list == NULL) {
+		return(NULL);
+	}
+	list->data = NULL;
+	list->next = NULL;
+	return(list);
+}
+
+void list_free(list_t *list)
+{
+	if(list == NULL) {
+		return;
+	}
+	if(list->data != NULL) {
+		free(list->data);
+		list->data = NULL;
+	}
+	if(list->next != NULL) {
+		list_free(list->next);
+	}
+	free(list);
+	return;
+}
+
+list_t *list_add(list_t *list, void *data)
+{
+	list_t *ptr, *lp;
+
+	ptr = list;
+	if(ptr == NULL) {
+		ptr = list_new();
+	}
+
+	lp = list_last(ptr);
+	if(lp == ptr && lp->data == NULL) {
+		/* nada */
+	} else {
+		lp->next = list_new();
+		if(lp->next == NULL) {
+			return(NULL);
+		}
+		lp = lp->next;
+	}
+	lp->data = data;
+	return(ptr);
+}
+
+int list_count(list_t *list)
+{
+	int i;
+	list_t *lp;
+
+	for(lp = list, i = 0; lp; lp = lp->next, i++);
+
+	return(i);
+}
+
+static list_t *list_last(list_t *list)
+{
+	list_t *ptr;
+
+	for(ptr = list; ptr && ptr->next; ptr = ptr->next);
+	return(ptr);
+}
+
+/* Test for existence of a string in a list_t
+ */
+int list_is_strin(char *needle, list_t *haystack)
+{
+	list_t *lp;
+
+	for(lp = haystack; lp; lp = lp->next) {
+		if(lp->data && !strcmp(lp->data, needle)) {
+			return(1);
+		}
+	}
+	return(0);
+}
+
+/* Display the content of a list_t struct of strings
+ */
+
+void list_display(const char *title, list_t *list)
+{
+	list_t *lp;
+	int cols, len;
+
+	len = strlen(title);
+	printf("%s ", title);
+
+	if(list) {
+		for(lp = list, cols = len; lp; lp = lp->next) {
+			int s = strlen((char *)lp->data)+1;
+			if(s+cols >= maxcols) {
+				int i;
+				cols = len;
+				printf("\n");
+				for (i = 0; i < len+1; i++) {
+					printf(" ");
+				}
+			}
+			printf("%s ", (char *)lp->data);
+			cols += s;
+		}
+		printf("\n");
+	} else {
+		printf("None\n");
+	}
+}
+
+void PM_LIST_display(const char *title, PM_LIST *list)
+{
+	PM_LIST *lp;
+	int cols, len;
+
+	len = strlen(title);
+	printf("%s ", title);
+
+	if(list) {
+		for(lp = list, cols = len; lp; lp = alpm_list_next(lp)) {
+			int s = strlen(alpm_list_getdata(lp))+1;
+			if(s+cols >= maxcols) {
+				int i;
+				cols = len;
+				printf("\n");
+				for (i = 0; i < len+1; i++) {
+					printf(" ");
+				}
+			}
+			printf("%s ", (char *)alpm_list_getdata(lp));
+			cols += s;
+		}
+		printf("\n");
+	} else {
+		printf("None\n");
+	}
+}
+
+/* vim: set ts=2 sw=2 noet: */