From 3b51163329d24df073610499af4f540c2f0766ed Mon Sep 17 00:00:00 2001
From: n0d3 <koko1510@gmail.com>
Date: Wed, 6 Mar 2013 21:14:15 +0200
Subject: Add search function to libtar

 Function entryExists() can be called in order
 to check if an entry exists inside an archive.

Change-Id: Id3d13d20dfb74a1779dbd8ba6f0ab08c3ca46319
---
 libtar/wrapper.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

(limited to 'libtar/wrapper.c')

diff --git a/libtar/wrapper.c b/libtar/wrapper.c
index 116dc28cc..7f65375a0 100644
--- a/libtar/wrapper.c
+++ b/libtar/wrapper.c
@@ -153,3 +153,33 @@ tar_append_tree(TAR *t, char *realdir, char *savedir)
 
 	return 0;
 }
+
+
+int
+tar_find(TAR *t, char *searchstr)
+{
+	if (!searchstr)
+		return 0;
+
+	char *filename;
+	int i, entryfound = 0;
+#ifdef DEBUG
+	printf("==> tar_find(0x%lx, %s)\n", (long unsigned int)t, searchstr);
+#endif
+	while ((i = th_read(t)) == 0) {
+		filename = th_get_pathname(t);
+		if (fnmatch(searchstr, filename, FNM_FILE_NAME | FNM_PERIOD) == 0) {
+			entryfound++;
+#ifdef DEBUG
+			printf("Found matching entry: %s\n", filename);
+#endif
+			break;
+		}
+	}
+#ifdef DEBUG
+	if (!entryfound)
+		printf("No matching entry found.\n");
+#endif
+
+	return entryfound;
+}
-- 
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