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From: Yonggang Luo <luoyonggang@gmail.com>
To: elfutils-devel@sourceware.org
Cc: Yonggang Luo <luoyonggang@gmail.com>
Subject: [PATCH v2 15/16] libelf: F_GETFD may not predefined with msvc/mingw, guard the usage of it
Date: Sun, 18 Dec 2022 00:52:12 +0800	[thread overview]
Message-ID: <20221217165213.152-16-luoyonggang@gmail.com> (raw)
In-Reply-To: <20221217165213.152-1-luoyonggang@gmail.com>

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


  parent reply	other threads:[~2022-12-17 16:53 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-17 16:51 [PATCH v2 00/16] Patches for building with mingw/gcc msvc/clang-cl Yonggang Luo
2022-12-17 16:51 ` [PATCH v2 01/16] ignore build directory Yonggang Luo
2022-12-17 16:51 ` [PATCH v2 02/16] move platform depended include into system.h of libebl Yonggang Luo
2023-02-23 10:44   ` Mark Wielaard
2022-12-17 16:52 ` [PATCH v2 03/16] Use configure to detect HAVE_DECL_MMAP and use it for system doesn't provide sys/mman.h Yonggang Luo
2023-02-23 10:52   ` Mark Wielaard
2022-12-17 16:52 ` [PATCH v2 04/16] Fixes usage of basename about prototype differences Yonggang Luo
2023-02-23 11:00   ` Mark Wielaard
2022-12-17 16:52 ` [PATCH v2 05/16] libcpu: Remove the need of NMNES by using enum Yonggang Luo
2022-12-21 17:56   ` Mark Wielaard
2023-02-23 11:50     ` Mark Wielaard
2022-12-17 16:52 ` [PATCH v2 06/16] libcpu: Use __asm instead asm that can be recognized by both clang-cl and gcc Yonggang Luo
2022-12-21 18:07   ` Mark Wielaard
2022-12-17 16:52 ` [PATCH v2 07/16] libdw: Fixes compile of dwarf_whatattr.c and dwarf_whatform.c Yonggang Luo
2023-02-23 12:25   ` Mark Wielaard
2022-12-17 16:52 ` [PATCH v2 08/16] lib: Implement error properly even when not HAVE_ERR_H Yonggang Luo
2023-02-23 12:31   ` Mark Wielaard
2022-12-17 16:52 ` [PATCH v2 09/16] libelf: uid_t, gid_t and mode_t are not comes with msvcrt, so using long/unsigned long instead on win32 Yonggang Luo
2023-03-02 13:24   ` Mark Wielaard
2022-12-17 16:52 ` [PATCH v2 10/16] libasm: stdio_ext.h are not present " Yonggang Luo
2023-02-23 12:35   ` Mark Wielaard
2022-12-17 16:52 ` [PATCH v2 11/16] libebl/libdwelf: define ssize_t and pid_t for MSVC within installed header libdwelf.h and libebl.h Yonggang Luo
2023-03-02 13:32   ` Mark Wielaard
2022-12-17 16:52 ` [PATCH v2 12/16] libasm/debuginfod: fchmod doesn't present on win32 Yonggang Luo
2022-12-21 18:16   ` Mark Wielaard
2022-12-17 16:52 ` [PATCH v2 13/16] lib: isatty is not available on windows Yonggang Luo
2022-12-19 12:32   ` 罗勇刚(Yonggang Luo)
2022-12-17 16:52 ` [PATCH v2 14/16] Add function sys_get_page_size to replace platform dependent sysconf (_SC_PAGESIZE) Yonggang Luo
2023-03-02 16:33   ` Mark Wielaard
2022-12-17 16:52 ` Yonggang Luo [this message]
2022-12-21 22:29   ` [PATCH v2 15/16] libelf: F_GETFD may not predefined with msvc/mingw, guard the usage of it Mark Wielaard
2022-12-17 16:52 ` [PATCH v2 16/16] lib: Use HAVE_LIBINTL_H to guard #include <libintl.h> Yonggang Luo
2022-12-21 23:07   ` Mark Wielaard

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