From a28b5f617276e5e7aaa4fcbf5b895f8250d85a50 Mon Sep 17 00:00:00 2001
From: Adrien Destugues <pulkomandy@gmail.com>
Date: Sat, 18 Jun 2011 15:49:44 +0000
Subject: [PATCH]  * Get the available memory for Haiku/BeOS  * Refactor the
 code a bit so the warning for missing code will be there for all the people
 that don't provide code.

git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1805 416bcca6-2ee7-4201-b75f-2eb2f807beb1
---
 src/misc.c | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/src/misc.c b/src/misc.c
index 4c455ee4..afaa624b 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -738,7 +738,7 @@ void Zoom_a_line(byte* original_line, byte* zoomed_line,
 #elif defined(__macosx__) || defined(__FreeBSD__) || defined(__NetBSD__)
   #include <sys/sysctl.h>
 #elif defined(__BEOS__) || defined(__HAIKU__)
-  // sysinfo not implemented
+  #include <kernel/OS.h>
 #elif defined(__AROS__) || defined(__amigaos4__) || defined(__MORPHOS__) || defined(__amigaos__)
   #include <proto/exec.h>
 #elif defined(__MINT__)
@@ -784,17 +784,23 @@ unsigned long Memory_free(void)
   len = sizeof(maxmem);
   sysctl(mib,2,&maxmem,&len,NULL,0);
   return maxmem;
-#elif defined(__BEOS__) || defined(__HAIKU__) || defined(__SKYOS__) || defined(__amigaos4__) || defined(__TRU64__)
-  // No <sys/sysctl.h> on BeOS or Haiku
-  // AvailMem is misleading on os4 (os4 caches stuff in memory that you can still allocate)
-#warning "There is missing code there for your platform ! please check and correct :)"
-  return 10*1024*1024;
+#elif defined(__HAIKU__) || defined(__BEOS__)
+  int pages;
+  system_info systemInfo;
+  get_system_info(&systemInfo);
+
+  pages = systemInfo.max_pages - systemInfo.used_pages;
+  return pages * B_PAGE_SIZE;
 #elif defined(__AROS__) || defined(__MORPHOS__) || defined(__amigaos__)
   return AvailMem(MEMF_ANY);
-#else
+#elif defined(__linux__)
   struct sysinfo info;
   sysinfo(&info);
   return info.freeram*info.mem_unit;
+#else
+  // AvailMem is misleading on os4 (os4 caches stuff in memory that you can still allocate)
+#warning "There is missing code there for your platform ! please check and correct :)"
+  return 10*1024*1024;
 #endif
 }
 #endif