[PATCH v2 15/16] libelf: F_GETFD may not predefined with msvc/mingw, guard the usage of it
Yonggang Luo
luoyonggang@gmail.com
Sat Dec 17 16:52:12 GMT 2022
Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
---
libelf/elf_begin.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/libelf/elf_begin.c b/libelf/elf_begin.c
index 6d31882e..3d324694 100644
--- a/libelf/elf_begin.c
+++ b/libelf/elf_begin.c
@@ -1163,12 +1163,19 @@ elf_begin (int fildes, Elf_Cmd cmd, Elf *ref)
if (ref != NULL)
/* Make sure the descriptor is not suddenly going away. */
rwlock_rdlock (ref->lock);
+#if defined(F_GETFD)
else if (unlikely (fcntl (fildes, F_GETFD) == -1 && errno == EBADF))
{
/* We cannot do anything productive without a file descriptor. */
__libelf_seterrno (ELF_E_INVALID_FILE);
return NULL;
}
+#else
+ else if (fildes < 0)
+ {
+ return NULL;
+ }
+#endif
switch (cmd)
{
--
2.36.1.windows.1
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