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difftool: move 'git-difftool' out of contrib
[git.git]
/
abspath.c
diff --git
a/abspath.c
b/abspath.c
index 8194ce1256525105d07eedf2f964ad51d9162d95..649f34f83365db3513c5166b897c4f033831444d 100644
(file)
--- a/
abspath.c
+++ b/
abspath.c
@@
-64,6
+64,8
@@
const char *make_absolute_path(const char *path)
len = readlink(buf, next_buf, PATH_MAX);
if (len < 0)
die ("Invalid symlink: %s", buf);
+ if (PATH_MAX <= len)
+ die("symbolic link too long: %s", buf);
next_buf[len] = '\0';
buf = next_buf;
buf_index = 1 - buf_index;