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authorMattias Andrée <maandree@operamail.com>2015-11-14 05:21:46 +0100
committerMattias Andrée <maandree@operamail.com>2015-11-14 05:21:46 +0100
commit0bea7672957f142d8af58d04ade70b91e7ffb727 (patch)
tree5013126e36210705698072cc429a1198e01f5ce5 /include
parentchange prototypes for humanmode and machinemode (diff)
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doc: cleanname is not symlink-safe either
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to '')
-rw-r--r--include/libgen.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/libgen.h b/include/libgen.h
index d417739..182f192 100644
--- a/include/libgen.h
+++ b/include/libgen.h
@@ -64,6 +64,10 @@ char* dirname(char*)
* '..' directory components that should resolve up beyond '/',
* are removed. Note that this can in fact mean that the resulting
* path is not the same file if the processes is `chroot`:ed.
+ * Additionally, and more important, there is no consideration for
+ * symbolic links. For example, '/a/b/c/..' resolves to '/a/b',
+ * but if any of the directors are symbolic links, the real path
+ * is not necessarily '/a/b'.
*
* This is a slibc extension.
*