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-rw-r--r--lib/libalpm/backup.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/lib/libalpm/backup.c b/lib/libalpm/backup.c
new file mode 100644
index 00000000..f664277e
--- /dev/null
+++ b/lib/libalpm/backup.c
@@ -0,0 +1,63 @@
+/*
+ * backup.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>
+/* pacman */
+#include "backup.h"
+
+/* Look for a filename in a pkginfo_t.backup list. If we find it,
+ * then we return the md5 hash (parsed from the same line)
+ */
+char *_alpm_needbackup(char* file, PMList *backup)
+{
+ PMList *lp;
+
+ if(file == NULL || backup == NULL) {
+ return(NULL);
+ }
+
+ /* run through the backup list and parse out the md5 hash for our file */
+ for(lp = backup; lp; lp = lp->next) {
+ char *str = strdup(lp->data);
+ char *ptr;
+
+ /* tab delimiter */
+ ptr = strchr(str, '\t');
+ if(ptr == NULL) {
+ free(str);
+ continue;
+ }
+ *ptr = '\0';
+ ptr++;
+ /* now str points to the filename and ptr points to the md5 hash */
+ if(!strcmp(file, str)) {
+ free(str);
+ return(strdup(ptr));
+ }
+ free(str);
+ }
+
+ return(NULL);
+}
+
+/* vim: set ts=2 sw=2 noet: */