From 8da6e2df690d698067b2cb5615cce12f00a1f3bd Mon Sep 17 00:00:00 2001
From: Jose Marcial Vieira Bisneto <marcial.vieirab@gmail.com>
Date: Sat, 26 Nov 2016 10:15:41 -0300
Subject: [PATCH] path/path.c: Changed some comments.

---
 path/path.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/path/path.c b/path/path.c
index 91e0e4d..21d6223 100644
--- a/path/path.c
+++ b/path/path.c
@@ -101,10 +101,10 @@ char *PathFromSegments(char *prefix, char **seg)
 
    retlen = strlen(prefix);
    for (i = 0 ; seg[i] ; i++) {
-      retlen += strlen(seg[i]) + 1;
+      retlen += strlen(seg[i]) + 1; // count each segment length + /.
    }
 
-   ret = malloc(retlen + 1);
+   ret = malloc(retlen + 1); // allocate final string size + null terminator.
    if (!ret) return NULL;
 
    strcpy(ret, prefix);
@@ -153,8 +153,9 @@ int ParsePath (char *dst, char *txt)
       }
       err = ParseCidToPath (dst+plen, txt);
       if (err == 0) { // only change dst if ParseCidToPath returned success.
-         memcpy (dst, prefix, plen); // use memcpy to don't copy null terminator.
-         return 0;
+         // Use memcpy instead of strcpy to avoid overwriting
+         // result of ParseCidToPath with a null terminator.
+         memcpy (dst, prefix, plen);
       }
       return err;
    }