From 88751e9e5ee3726b8a6987aeaae04e956c2234f5 Mon Sep 17 00:00:00 2001 From: midipix Date: Mon, 27 Jan 2020 08:36:51 -0500 Subject: created lib-app skeleton (foss21.org lib-app model). --- src/internal/tpax_readlink_impl.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 src/internal/tpax_readlink_impl.h (limited to 'src/internal/tpax_readlink_impl.h') diff --git a/src/internal/tpax_readlink_impl.h b/src/internal/tpax_readlink_impl.h new file mode 100644 index 0000000..328b302 --- /dev/null +++ b/src/internal/tpax_readlink_impl.h @@ -0,0 +1,31 @@ +/******************************************************/ +/* tpax: a topological pax implementation */ +/* Copyright (C) 2020 Z. Gilboa */ +/* Released under GPLv2 and GPLv3; see COPYING.TPAX. */ +/******************************************************/ + +#ifndef TPAX_READLINK_IMPL_H +#define TPAX_READLINK_IMPL_H + +#include +#include + +static inline int tpax_readlink( + const char * restrict path, + char * restrict buf, + ssize_t bufsize) +{ + ssize_t ret; + + if ((ret = readlink(path,buf,bufsize)) <= 0) { + return -1; + } else if (ret == bufsize) { + errno = ENOBUFS; + return -1; + } else { + buf[ret] = 0; + return 0; + } +} + +#endif -- cgit v1.2.3