From f792a03ccf327e0e80b60e6b7a013e7f89f9f5ca Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Wed, 3 Nov 2004 09:24:17 +0000 Subject: [PATCH] xreadlink.c (xreadlink): AIX and HP-UX readlink return -1 with errno == ERANGE if the buffer is too small. --- lib/xreadlink.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/xreadlink.c b/lib/xreadlink.c index c38e2d3aad..0f5e7d26f2 100644 --- a/lib/xreadlink.c +++ b/lib/xreadlink.c @@ -66,7 +66,9 @@ xreadlink (char const *filename, size_t size) ssize_t r = readlink (filename, buffer, buf_size); size_t link_length = r; - if (r < 0) + /* On AIX 5L v5.3 and HP-UX 11i v2 04/09, readlink returns -1 + with errno == ERANGE if the buffer is too small. */ + if (r < 0 && errno != ERANGE) { int saved_errno = errno; free (buffer); -- 2.30.2