From: Guido van Rossum <guido@python.org>
Date: Wed, 29 Apr 1998 21:07:06 +0000 (+0000)
Subject: When following symlinks to the real executable, use a loop so a
X-Git-Tag: v1.5.2a1~770
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=302be44e96f1bef7429192f0a6dcdccd63257942;p=python

When following symlinks to the real executable, use a loop so a
symlink to a symlink can work.
(Jack)
---

diff --git a/Modules/getpath.c b/Modules/getpath.c
index 589b7aec4f..09b795d5c5 100644
--- a/Modules/getpath.c
+++ b/Modules/getpath.c
@@ -437,7 +437,7 @@ calculate_path()
 	{
 		char tmpbuffer[MAXPATHLEN+1];
 		int linklen = readlink(progpath, tmpbuffer, MAXPATHLEN);
-		if (linklen != -1) {
+		while (linklen != -1) {
 			/* It's not null terminated! */
 			tmpbuffer[linklen] = '\0';
 			if (tmpbuffer[0] == SEP)
@@ -447,6 +447,7 @@ calculate_path()
 				reduce(argv0_path);
 				joinpath(argv0_path, tmpbuffer);
 			}
+			linklen = readlink(argv0_path, tmpbuffer, MAXPATHLEN);
 		}
 	}
 #endif /* HAVE_READLINK */