[PATCH 2/2] real_path: set errno when max number of symlinks is exceeded

[Brandon Williams]

Set errno to ELOOP when the maximum number of symlinks is exceeded, as
would be done by other symlink-resolving functions.

Signed-off-by: Brandon Williams <bmw...@google.com>
---
 abspath.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/abspath.c b/abspath.c
index 0393213e5..fce40fddc 100644
--- a/abspath.c
+++ b/abspath.c
@@ -141,6 +141,8 @@ char *strbuf_realpath(struct strbuf *resolved, const char 
*path,
                        strbuf_reset(&symlink);
 
                        if (num_symlinks++ > MAXSYMLINKS) {
+                               errno = ELOOP;
+
                                if (die_on_error)
                                        die("More than %d nested symlinks "
                                            "on path '%s'", MAXSYMLINKS, path);
-- 
2.11.0.390.gc69c2f50cf-goog