1 files changed, 45 insertions, 0 deletions
diff --git a/libbb/concat_path_file.c b/libbb/concat_path_file.c
new file mode 100644
index 0000000..e62b99e
--- /dev/null
+++ b/libbb/concat_path_file.c
@@ -0,0 +1,45 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) many different people.  If you wrote this, please
+ * acknowledge your work.
+ *
+ * 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
+ */
+
+/* concatenate path and file name to new allocation buffer,
+ * not addition '/' if path name already have '/'
+*/
+
+#include <string.h>
+#include "libbb.h"
+
+extern char *concat_path_file(const char *path, const char *filename)
+{
+	char *outbuf;
+	char *lc;
+
+	if (!path)
+	    path="";
+	lc = last_char_is(path, '/');
+	while (*filename == '/')
+		filename++;
+	outbuf = xmalloc(strlen(path)+strlen(filename)+1+(lc==NULL));
+	sprintf(outbuf, "%s%s%s", path, (lc==NULL)? "/" : "", filename);
+
+	return outbuf;
+}