From c4b392a179048f936c062f5ffccc2bc25627e500 Mon Sep 17 00:00:00 2001
From: polwex <polwex@sortug.com>
Date: Mon, 6 Oct 2025 01:01:41 +0700
Subject: working

---
 vere/pkg/c3/portable.h | 240 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 240 insertions(+)
 create mode 100644 vere/pkg/c3/portable.h

(limited to 'vere/pkg/c3/portable.h')

diff --git a/vere/pkg/c3/portable.h b/vere/pkg/c3/portable.h
new file mode 100644
index 0000000..acc9f33
--- /dev/null
+++ b/vere/pkg/c3/portable.h
@@ -0,0 +1,240 @@
+/// @file
+
+#ifndef C3_PORTABLE_H
+#define C3_PORTABLE_H
+
+#   ifndef __GNUC__
+#     error "port me"
+#   endif
+#   ifndef _GNU_SOURCE
+#   define _GNU_SOURCE
+#   endif
+
+  /** System include files.
+  ***
+  *** Do not put include files that are only used in the
+  *** porting layer here.  Include them directly in the
+  *** C file.
+  **/
+#   if defined(U3_OS_linux)
+#     ifndef _XOPEN_SOURCE
+#     define _XOPEN_SOURCE 700
+#     endif
+#     include <ctype.h>
+#     include <inttypes.h>
+#     include <stdlib.h>
+#     include <string.h>
+#     include <stdarg.h>
+#     include <unistd.h>
+#     include <stdint.h>
+#     include <assert.h>
+#     include <byteswap.h>
+#     include <setjmp.h>
+#     include <stdio.h>
+#     include <signal.h>
+#     include <sys/time.h>
+#     include <sys/resource.h>
+#     include <sys/mman.h>
+#     include <sys/sendfile.h>
+
+#   elif defined(U3_OS_osx)
+#     include <ctype.h>
+#     include <inttypes.h>
+#     include <stdlib.h>
+#     include <string.h>
+#     include <stdarg.h>
+#     include <unistd.h>
+#     include <stdint.h>
+#     include <assert.h>
+#     include <setjmp.h>
+#     include <signal.h>
+#     include <machine/endian.h>
+#     include <machine/byte_order.h>
+#     include <stdio.h>
+#     include <sys/time.h>
+#     include <sys/resource.h>
+#     include <sys/syslimits.h>
+#     include <sys/mman.h>
+#     include <sys/clonefile.h>
+#     include <copyfile.h>
+
+#   elif defined(U3_OS_bsd)
+#     include <ctype.h>
+#     include <inttypes.h>
+#     include <stdlib.h>
+#     include <string.h>
+#     include <stdarg.h>
+#     include <unistd.h>
+#     include <stdint.h>
+#     include <assert.h>
+#     include <machine/endian.h>
+#     include <setjmp.h>
+#     include <stdio.h>
+#     include <signal.h>
+#     include <sys/time.h>
+#     include <sys/resource.h>
+#     include <sys/mman.h>
+
+#   else
+      #error "port: headers"
+#   endif
+
+#   ifndef __has_feature
+#     define __has_feature(x) 0
+#   endif
+
+#   if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
+#     define ASAN_ENABLED
+#   endif
+
+  /** Platform string.
+  **/
+#   if defined(U3_OS_linux)
+#     ifdef __LP64__
+#       ifdef U3_CPU_aarch64
+#         define U3_OS_ARCH "linux-aarch64"
+#       else
+#         define U3_OS_ARCH "linux-x86_64"
+#       endif
+#     endif
+#   elif defined(U3_OS_osx)
+#     ifdef __LP64__
+#       ifdef U3_CPU_aarch64
+#         define U3_OS_ARCH "macos-aarch64"
+#       else
+#         define U3_OS_ARCH "macos-x86_64"
+#       endif
+#     endif
+#   endif
+
+
+
+#   define U3_BIN_ALIAS ".run"
+
+  /** Address space layout.
+  ***
+  ***   NB: 2^30 words == 4G
+  **/
+#   if defined(U3_OS_linux)
+#     ifdef __LP64__
+#       ifdef ASAN_ENABLED
+#         define U3_OS_LoomBase 0x10007ffff000
+#       else
+#         define U3_OS_LoomBase 0x200000000
+#       endif
+#     else
+#       define U3_OS_LoomBase 0x36000000
+#     endif
+#       define U3_OS_LoomBits 30
+#   elif defined(U3_OS_osx)
+#     ifdef __LP64__
+#       ifdef ASAN_ENABLED
+#         define U3_OS_LoomBase 0x728000000000
+#       else
+#         define U3_OS_LoomBase 0x28000000000
+#       endif
+#     else
+#       define U3_OS_LoomBase 0x4000000
+#     endif
+#       define U3_OS_LoomBits 30
+#   elif defined(U3_OS_bsd)
+#     ifdef __LP64__
+#       define U3_OS_LoomBase 0x200000000
+#     else
+#       define U3_OS_LoomBase 0x4000000
+#     endif
+#       define U3_OS_LoomBits 30
+#   else
+#     error "port: LoomBase"
+#   endif
+
+
+  /** Private C "extensions."
+  ***
+  *** Except for these and main(), any function, macro, or structure
+  *** names must be prefixed either by u3_/U3_ (for public names),
+  *** or _ (for static and other file-local names).
+  **/
+    /* Endianness.
+    */
+#     define c3_endian_little     0
+#     define c3_endian_big        1
+
+#     ifdef U3_OS_ENDIAN_little
+#       define c3_endian c3_endian_little
+#     elif defined(U3_OS_ENDIAN_big)
+#       define c3_endian c3_endian_big
+#     else
+#       error "port: U3_OS_ENDIAN"
+#     endif
+
+    /* Byte swapping.
+    */
+#     if defined(U3_OS_linux) || defined(U3_OS_bsd)
+#       define c3_bswap_16(x)  bswap_16(x)
+#       define c3_bswap_32(x)  bswap_32(x)
+#       define c3_bswap_64(x)  bswap_64(x)
+#     elif defined(U3_OS_osx)
+#       define c3_bswap_16(x)  NXSwapShort(x)
+#       define c3_bswap_32(x)  NXSwapInt(x)
+#       define c3_bswap_64(x)  NXSwapLongLong(x)
+#     else
+#       error "port: byte swap"
+#     endif
+
+    /* Sync.
+    */
+#     if defined(U3_OS_linux)
+#       define c3_sync(fd) (fdatasync(fd))
+#     elif defined(U3_OS_osx)
+#       define c3_sync(fd) (fcntl(fd, F_FULLFSYNC, 0))
+#     elif defined(U3_OS_bsd)
+#       define c3_sync(fd) (fsync(fd))
+#     else
+#       error "port: sync"
+#     endif
+
+    /* Purge.
+    */
+#     if defined(U3_OS_linux)
+#       include <stdio_ext.h>
+#       define c3_fpurge __fpurge
+#     elif defined(U3_OS_bsd) || defined(U3_OS_osx)
+#       define c3_fpurge fpurge
+#     else
+#       error "port: fpurge"
+#     endif
+
+    /* Stat.
+    */
+#     if defined(U3_OS_linux)
+#       define c3_stat_mtime(dp) (u3_time_t_in_ts((dp)->st_mtime))
+#     elif defined(U3_OS_osx)
+#       define c3_stat_mtime(dp) (u3_time_in_ts(&((dp)->st_mtimespec)))
+#       define lseek64 lseek
+#     elif defined(U3_OS_bsd)
+#       define c3_stat_mtime(dp) (u3_time_in_ts(&((dp)->st_mtim)))
+#       define lseek64 lseek
+#     else
+#       error "port: timeconvert"
+#     endif
+
+    /* Null.
+    */
+#     if defined(U3_OS_linux) || defined(U3_OS_bsd) || defined(U3_OS_osx)
+#       define c3_dev_null "/dev/null"
+#     else
+#       error "port: /dev/null"
+#     endif
+
+    /* Static assertion.
+
+       TODO: we could just use static_assert (c23)/_Static_assert (c11) in
+       <assert.h>
+    */
+#     define ASSERT_CONCAT_(a, b) a##b
+#     define ASSERT_CONCAT(a, b) ASSERT_CONCAT_(a, b)
+#     define STATIC_ASSERT(e,m) \
+        enum { ASSERT_CONCAT(assert_line_, __LINE__) = 1/(int)(!!(e)) }
+
+#endif /* ifndef C3_PORTABLE_H */
-- 
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