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From: Yonggang Luo <luoyonggang@gmail.com>
To: elfutils-devel@sourceware.org
Cc: Yonggang Luo <luoyonggang@gmail.com>
Subject: [PATCH v2 08/16] lib: Implement error properly even when not HAVE_ERR_H
Date: Sun, 18 Dec 2022 00:52:05 +0800	[thread overview]
Message-ID: <20221217165213.152-9-luoyonggang@gmail.com> (raw)
In-Reply-To: <20221217165213.152-1-luoyonggang@gmail.com>

on win32, there is no err.h

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
---
 lib/error.c  | 16 +++++++++++++++-
 lib/system.h |  4 +---
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/lib/error.c b/lib/error.c
index 5186fc15..d4cbf0ff 100644
--- a/lib/error.c
+++ b/lib/error.c
@@ -28,12 +28,14 @@
 
 #include <config.h>
 
-#if !defined(HAVE_ERROR_H) && defined(HAVE_ERR_H)
+#if !defined(HAVE_ERROR_H)
 #include <errno.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
+#if defined(HAVE_ERR_H)
 #include <err.h>
+#endif
 
 unsigned int error_message_count = 0;
 
@@ -44,6 +46,7 @@ void error(int status, int errnum, const char *format, ...) {
   fflush (stdout);
 
   va_start(argp, format);
+#if defined(HAVE_ERR_H)
   if (status)
     {
       if (errnum)
@@ -64,6 +67,17 @@ void error(int status, int errnum, const char *format, ...) {
       else
         vwarnx (format, argp);
     }
+#else
+  if (errnum)
+    {
+      errno = errnum;
+    }
+  vfprintf(stderr, format, argp);
+  if (status)
+    {
+      _exit(status);
+    }
+#endif
   va_end(argp);
 
   fflush (stderr);
diff --git a/lib/system.h b/lib/system.h
index 561d3e03..7f9f2a91 100644
--- a/lib/system.h
+++ b/lib/system.h
@@ -50,11 +50,9 @@
 
 #if defined(HAVE_ERROR_H)
 #include <error.h>
-#elif defined(HAVE_ERR_H)
+#else
 extern int error_message_count;
 void error(int status, int errnum, const char *format, ...);
-#else
-#error "err.h or error.h must be available"
 #endif
 
 /* error (EXIT_FAILURE, ...) should be noreturn but on some systems it
-- 
2.36.1.windows.1


  parent reply	other threads:[~2022-12-17 16:52 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 ` Yonggang Luo [this message]
2023-02-23 12:31   ` [PATCH v2 08/16] lib: Implement error properly even when not HAVE_ERR_H 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 ` [PATCH v2 15/16] libelf: F_GETFD may not predefined with msvc/mingw, guard the usage of it Yonggang Luo
2022-12-21 22:29   ` 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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