From 0ee9587725ac84ec0ea0c65aea144d380e96fc1d Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sat, 1 Feb 2020 01:26:09 +0000
Subject: internals: slbt_readlink(): set errno to ENOBUFS as needed.
---
src/internal/slibtool_readlink_impl.h | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
(limited to 'src/internal')
diff --git a/src/internal/slibtool_readlink_impl.h b/src/internal/slibtool_readlink_impl.h
index c29b2d2..644a638 100644
--- a/src/internal/slibtool_readlink_impl.h
+++ b/src/internal/slibtool_readlink_impl.h
@@ -8,6 +8,7 @@
#define SLIBTOOL_READLINK_IMPL_H
#include <unistd.h>
+#include <errno.h>
static inline int slbt_readlink(
const char * restrict path,
@@ -16,11 +17,12 @@ static inline int slbt_readlink(
{
ssize_t ret;
- if ((ret = readlink(path,buf,bufsize)) <= 0)
+ if ((ret = readlink(path,buf,bufsize)) <= 0) {
return -1;
- else if (ret == bufsize)
+ } else if (ret == bufsize) {
+ errno = ENOBUFS;
return -1;
- else {
+ } else {
buf[ret] = 0;
return 0;
}
--
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