1 files changed, 24 insertions, 0 deletions

diff --git a/libbb/concat_path_file.c b/libbb/concat_path_file.c
new file mode 100644
index 000000000..d53dc0e2e
--- /dev/null
+++ b/libbb/concat_path_file.c
@@ -0,0 +1,24 @@
+/*
+ * busybox library eXtendet funcion
+ *
+ * concatenate path and file name to new allocation buffer,
+ * not addition '/' if path name already have '/'
+ *
+*/
+
+#include "libbb.h"
+
+extern char *concat_path_file(const char *path, const char *filename)
+{
+        char *outbuf;
+        int  l;
+        int  flg_slash = 1;
+
+        l = strlen(path);
+        if(l>0 && path[l-1] == '/')
+                flg_slash--;
+        l += strlen(filename);
+        outbuf = xmalloc(l+1+flg_slash);
+        sprintf(outbuf, (flg_slash ? "%s/%s" : "%s%s"), path, filename);
+        return outbuf;
+}